125 Network Architecture jobs in Ireland

This job opportunity is open to both HSE and non-HSE applicants.

NRS15005

Management/Admin/ICT

Grade VII 0582

HSE

External

This job is in the HSE.

National services and schemes

• Offaly
• Limerick
• Dublin

The National Ambulance Service Technology, Data and Business Analytics Team is a national service under the Planning & Infrastructure Directorate, which has offices in Limerick, Tallaght, and Offaly.

There is currently one permanent and whole-time post available based in the National Ambulance Service, Rivers Building, Tallaght, Dublin D24 XNP2.

The Service Manager is open to engagement with the successful candidate as regards the expected level of on-site attendance at above base, in the context of the requirements of this national role and the HSE's Blended Working Policy Blended working - HSE Staff.

The post holder will be required as part of this role to attend meetings throughout the HSE.

A panel may be formed as a result of this campaign for Senior Network & Infrastructure Analyst within the National Ambulance Service from which current and future, permanent and specified purpose vacancies of full or part-time duration may be filled.

National

• Permanent Part-time
• Permanent Wholetime
• Specified Purpose Part-time
• Specified Purpose Wholetime

Please ensure you download, save and read the Job Specification, Additional Campaign Information as well the Application Form. All of these documents are located at the bottom of this advertisement. We strongly recommend that you read the Job Specification before completing your application form. Full details on this campaign plus the answers to many queries such as: "Am I eligible to apply?" "Where are the posts", "If I apply what happens next?" are available in the document Additional Campaign Information NRS15005 for this recruitment campaign. We strongly recommend that you read the information in this document carefully before making an application. Take time to read through the various sections, which take you through the process from beginning to end.

17/09/ :00:00

Interview dates will be agreed at a later date. Candidates will normally be given at least two weeks' notice of interview. The timescale may be reduced in exceptional circumstances.

Completed application forms should be sent via email only to before the closing date and time of the campaign.

Please note that you must submit your application form via email only.

Email applications will receive a response within 2 working days, which will let you know that we received your email. If you have not received an email response within 5 working days, we highly recommend that you contact the NRS via email to

to verify that your email has been received.

Name: Brian McKeon, Head of Technology, Data and Business Analytics

Email:

NRS15005 Application Form

DOC, 99KB

NRS15005 Job Specification

DOC, 109KB

NRS15005 Additional Campaign Information

DOC, 158KB

In alignment with our Microsoft values, we are committed to cultivating an inclusive work environment for all employees to positively impact our culture every day and we need you as a
Critical Infrastructure Network Engineering Manager.
Microsoft's Cloud Operations & Innovation (CO+I) is the engine that powers our cloud services. As a
Critical Infrastructure Network Engineering Manager
you will perform a key role in delivering the core infrastructure and foundational technologies for Microsoft's online services including Bing, Office 365, Xbox, OneDrive, and the Microsoft Azure platform. Your responsibilities will be to oversee the design, installation, and maintenance of the network infrastructure for the organization. You will also be responsible for managing a team of network engineers, ensuring that they have the necessary skills, tools, and resources to perform their tasks efficiently and effectively. You will also be involved in planning and implementing network security policies and procedures, as well as troubleshooting and resolving any network issues that may arise. This opportunity will allow you to accelerate your career growth, develop deep business acumen, drive business impact, and improve network service availability. With a flexible workplace, you can work from home partially or fully and/or come to the office/lab on an as needed basis.

As a group, CO+I is focused on the personal and professional development for all employees and offers trainings and growth opportunities including Career Rotation Programs, Diversity & Inclusion trainings and events, and professional certifications.

Our infrastructure is comprised of a large global portfolio of more than 100 datacenters and 1 million servers. Our foundation is built upon and managed by a team of subject matter experts working to support services for more than 1 billion customers and 20 million businesses in over 90 countries worldwide.

With environmental sustainability and optimization at the forefront of our datacenter design and operations, we continue to grow and evolve as we meet the ever-changing business demands that hold Microsoft as a world-class cloud provider.

Do you want to empower billions across the world? Come and join us in CO+I and be at the forefront of the action

Responsibilities
Responsibilities:
People Management and Support

• Promote open information exchange, resolve intra- and inter-team issues, manage conflicts, remove barriers for agile priority shifts, and engage all stakeholders to meet mutual objectives and represent the organization effectively

Network Design and Implementation

• Perform technical analysis and lead the design architecture of network plans for the enterprise, analyzing network & security requirements of the business and architects' solutions that include highly available and resilient designs.
• Own and drive technical roadmap and strategy, through effective collaboration with architects, engineers, and senior leaders.

Maintaining and Operating Networks

• Monitor network system state in compliance with current capacity plan guidelines, and network services budgets, including reviewing invoices from service providers for usage, errors, and inconsistencies, and adjusting where feasible.
• Maintain standards and best practices for network toolset environments with a focus on Fault Management and Capacity/Performance Monitoring tools.

Project Management

• Lead and manage network engineering projects from inception to completion using Agile methodologies and DevOps-based tools, ensuring alignment with organizational goals and priorities.
• Oversee sprint planning, backlog grooming, daily stand-ups, and manage timelines and budgets, ensuring effective collaboration and communication within the team.

Other

• Embody our culture and values.

Qualifications
Required Qualifications:

• 7+ years technical experience in network design, development, and automation

• OR Bachelor's Degree in Electrical Engineering, Optical Engineering, Computer Science, Engineering, Information Technology, or related field AND 4+ years technical experience in network design, development, and automation.

• OR Master's Degree in Electrical Engineering, Optical Engineering, Computer Science, Information Technology, or related field AND 3+ years technical experience in network design, development, and automation
• OR Doctorate Degree in Electrical Engineering, Optical Engineering, Computer Science, Information Technology, or related field.

Background Check Requirements
Ability to meet Microsoft, customer and/or government security screening requirements are required for this role. These requirements include, but are not limited to the following specialized security screenings:

• Microsoft Cloud Background Check: This position will be required to pass the Microsoft Cloud background check upon hire/transfer and every two years thereafter.

Preferred Qualifications

• 11+ years technical experience in network design, development, and automation

• OR Bachelor's Degree in Electrical Engineering, Optical Engineering, Computer Science, Information Technology, or related field AND 8+ years technical experience in network design, development, and automation

• OR Master's Degree in Electrical Engineering, Optical Engineering, Computer Science, Information Technology, or related field AND 6+ years technical experience in network design, development, and automation

• OR Doctorate Degree in Electrical Engineering, Optical Engineering, Computer Science, Information Technology, or related field AND 3+ years technical experience in network design, development, and automation.

• 1+ year(s) experience delivering network designs into production and experience with live site accountability for a network.

• 5+ years' experience with network authentication systems such as TACACS+ (Cisco ISE, Duo) Possession of Industry certifications within the network Engineering CCNP or CCIE Route & Switch and work with industrial control systems.

Microsoft is an equal opportunity employer. Consistent with applicable law, all qualified applicants will receive consideration for employment without regard to age, ancestry, citizenship, color, family or medical care leave, gender identity or expression, genetic information, immigration status, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran or military status, race, ethnicity, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable local laws, regulations and ordinances. If you need assistance and/or a reasonable accommodation due to a disability during the application process, read more about requesting accommodations.

At Apple, we rely on our employees diverse set of backgrounds and perspectives to champion innovation through extraordinary ideas to surprise and delight our customers. These ideas can come from anywhere. Will that next phenomenal idea come from you? The Enterprise Network Operations team keeps Apple's thousands of staff across Europe, the Middle East, India and Africa connected to our cloud-based resources, the Internet and, most importantly, to one another. We have a world class network that employs the very latest technologies to provide seamless connectivity.

Description

You will join a team that supports Apple's network, both in a reactive way, responding quickly to unplanned events, as well as in a proactive way, making planned changes that will prevent potential issues from occurring. Under the guidance of your mentors, your growth will be directed and you will work on problems of increasing complexity as your own knowledge builds. Before you know it, you could be the mentor for the next generation of network engineers While this position requires an aptitude in a relevant discipline, e.g. computer science, mathematics or engineering, above all we value teamwork and collaboration. Our team is spread around the globe, so you will interact with many nationalities and cultures - this diversity is one of our key strengths and makes for an exceptionally open, welcoming and friendly work environment. We will want you to draw on your strong interpersonal skills and benefit from the dynamic nature of Apple's environment. If you enjoy close collaboration, open and active discussion, and following through on the details, we think you'll love being part of our team This is a six-month internship starting in early 2026

Minimum Qualifications

• Students pursuing a degree in Computer Science, Software Engineering, or a related discipline.
• Insatiable curiosity about how the Internet - and other - networks work.
• A commitment to deep learning.
• Currently enrolled in a degree-granting program pursuing a Bachelors Honours or Masters degree program in computer science, computer engineering, or related fields with equivalent experience.

Preferred Qualifications

An interest in how AI can be used to solve real world problems whose scale defies traditional solutions will be a strong advantage.

Submit CV

xAI's mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive on curiosity. We operate with a flat organizational structure. All employees are expected to be hands-on and to contribute directly to the company's mission. Leadership is given to those who show initiative and consistently deliver excellence. Work ethic and strong prioritization skills are important. All engineers are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates.

Grok and X are powered largely from our own on-premise infrastructure which enables us to move at speed and efficiency when deploying vast amounts of capacity. People wouldn't be able to enjoy participating in the townhall on X or use Grok to understand the universe if it weren't for our Edge networking infrastructure.

We are seeking two senior engineers that help architect, develop, and build our peering and transit infrastructure with associated routing policies, eDNS, cloud connectivity, CGNAT, and load balancer fleets. The two successful candidates will have great Python skills to remove repetitive engineering cycles and auto-mitigate customer impacts.

• Architect, develop, and maintain peering and transit infrastructure, including routing policies, eDNS, cloud connectivity, CGNAT, and load balancer fleets.
• Leverage Python scripting to automate repetitive engineering tasks and proactively mitigate customer impacts.
• Manage and troubleshoot DNS infrastructure to ensure reliable performance.
• Oversee and resolve issues related to cloud VPCs and connected network hardware.
• Diagnose and resolve complex TCP/IP issues to maintain seamless network operations.
• Collaborate with cross-functional teams to enhance infrastructure efficiency and support xAI's AI platforms.

• 7+ years of experience with edge network hardware, including load balancers, CGNAT, routers, and switches.
• 7+ years of routing experience in backbones, peering, and transit areas with expertise in traffic engineering.
• 5+ years of experience using Python scripting to automate deployments and break/fix tasks.
• 3+ years of experience managing DNS infrastructure.
• 3+ years of experience managing and troubleshooting cloud VPCs and connected network hardware.
• Proven ability to troubleshoot complex TCP/IP issues.

• Experience with A10 Networks, NGINX, or open-source load balancer/CGNAT software.
• Familiarity with Route53 and UltraDNS.
• Expertise in GCP, AWS, and OCI VPC architecture and troubleshooting.
• Knowledge of Kubernetes Ingress.
• Experience with CDN, Fastly, and Cloudfront.
• Demonstrated success in on-call rotations and incident response in high-stakes environments.
• Strong problem-solving skills and adaptability in a fast-paced, ambiguous setting.

xAI is an equal opportunity employer.

California Consumer Privacy Act (CCPA) Notice

ELIGIBILITY: Any valid work permit for Ireland

CONTRACT LENGTH: 1 year

No sponsorship is provided for this job. The person should be comfortable in travelling to the client's site regularly

Should be able to start immediately

Required Skills

• Configuration Manager (SCCM) including Azure Cloud Management Gateway in a co-managed environment
• Intune (Autopilot/ESP, Windows Policies, device configuration and management)
• Entra ID
• PowerShell scripting
• Azure automation (App registrations, API, authentication)
• Windows 11, WUfB, Autopatch, Delivery Optimization
• Knowledge of Network Devices such as Switches, Routers, Wireless Access Points preferably CISCO certified.
• Knowledge / understanding of assigning switch ports to specific VLANs
• Patch phone ports to switch as needed
• Troubleshooting of Avaya VOIP phones (knowledge on basic configuration)
• Troubleshoot issues with fiber links between switches – Able to visualize errors and communicate to remote technical teams
• Troubleshoot and replace network switch chassis blades when required
• Good to have understanding of any Data Center Infrastructure Management Application
• A periodic (minimum twice weekly) visual check of the IDF rooms for cooling and power status (specifically UPS alarms and PDU health) Control-M, EMC Avamar, Data Domain
• Basic Knowledge of Monitoring tools such as Solarwinds, etc…
• Networking and Operating System basics
• Assist network and data center admins (Internal, Customer and Vendor) as required during the course of technical troubleshooting
• Basic knowledge about Hardware like Servers, Storage devices
• Knowledge to understand Monitoring Tool outcome
• Basic knowledge of ITSM tool preferably ServiceNow
• Basic knowledge Backup technologies preferably EMC Avamar
• Basic knowledge of Operating Systems- Windows 2003 servers Enterprise/Standard Edition, UNIX & linux
• Basic knowledge about Windows 2003 Active Directory structure, MS Exchange 2003 and File/Print Server
• Experience in SLA base environment
• Knowledge on Server Performance monitoring preferred
• Should be able to perform IMACD Installation, Move, Add, Change, and Disposal Services of the data center, network equipment's
• Should have hands on experience in large/medium enterprise data centers or hosting sites consisting of Servers, Storage and Network devices
• Should have all local language proficiency and communication ability in English is mandatory
• Should be flexible to work round the clock on-call basis as an when required apart from scheduled shift

Job Type: Fixed term

Contract length: 12 months

Pay: €150.00 per day

Ability to commute/relocate:

• Cork, CO. Cork: reliably commute or plan to relocate before starting work (required)

Application question(s):

• Are you on Post Study Visa ?

Experience:

• Network engineering: 4 years (required)

Work authorisation:

• Ireland (required)

Work Location: In person

xAI's mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive on curiosity. We operate with a flat organizational structure. All employees are expected to be hands-on and to contribute directly to the company's mission. Leadership is given to those who show initiative and consistently deliver excellence. Work ethic and strong prioritization skills are important. All engineers are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates.

Data Center Fabrics are the foundational building blocks of the complex architecture that enables Grok to be trained and serve customer queries as they learn to understand the universe. To enable us to move faster we are looking for a Core Network Engineering Team Lead in our Palo Alto Office. You will develop and execute the team's roadmap in collaboration with partner teams. You will guide your team and directly contribute to its network's development, while hiring and developing the world class talent xAI needs to achieve AGI.

• Design, develop, deploy, and operate global backbone infrastructure to ensure high performance and reliability.
• Partner with internal teams to gather requirements and leverage xAI systems for insights to meet current and future product needs.
• Utilize Python and Ansible to automate customer impact mitigations and eliminate repetitive engineering tasks.
• Manage and troubleshoot cloud VPCs and connected network hardware to maintain seamless operations.
• Apply deep traffic engineering skills to optimize backbone network performance.
• Collaborate with cross-functional teams to enhance infrastructure efficiency and support xAI's AI platforms.

• 5+ years of experience working on backbone network hardware and protocols (e.g., MPLS, RSVP-TE) in large or hyperscale environments.
• 5+ years of routing experience with BGP and IS-IS in backbone, peering, and transit areas, with expertise in traffic engineering.
• 3+ years of experience using Python scripting to automate deployments and break/fix tasks.
• 3+ years of experience managing and troubleshooting cloud VPCs and connected network hardware.

• Experience with Juniper, Cisco, and Arista hardware.
• Familiarity with AWS, GCP, and OCI cloud environments.
• Expertise in capacity planning for large networks with minimal customer input.
• Proven success in on-call rotations and incident response in high-stakes environments.
• Strong problem-solving skills and adaptability in a fast-paced, ambiguous setting.

xAI is an equal opportunity employer.

California Consumer Privacy Act (CCPA) Notice

Job description:

Network Engineer

Hybrid working model - Kilkenny or Citywest

Tirlán

Tirlán, currently partnering with a 3rd party service provider for the provision of IT services, is about to embark on a significant IT transformation programme to stand up its own IT capability.  The initial focus will be on enabling projects and will involve close collaboration with our partner. This will require a number of new and exciting roles to join the Tirlán IT team, working in a dynamic & collaborative environment.

Tirlán is a world-class food and nutrition co-operative, with a diverse portfolio of quality ingredients, leading consumer and agri brands.

Tirlán owns leading brands such as Avonmore, Kilmeaden Cheese, Millac, Solmiko, Truly Grass Fed, Premier Milk, Wexford, and GAIN Animal Nutrition.

We nurture a talented team across Ireland, the US, MEA and China, delivering annual revenues of over €3 billion, and over 2,300 people to manage our network of 11 processing plants and 52 agri branches. Our purpose is to nourish the world, while safeguarding our environment for future generations.

Overview

Reporting to the IT Transformation Manager, the Network Engineer will be responsible for designing, implementing, monitoring, and managing the local and wide area networks of the organisation to ensure maximum uptime for users. The role requires a thorough understanding of networking technologies, hands-on experience, and problem-solving skills. The role is responsible for overseeing the work performed and managing the operational aspects of the managed service provider relationships. The Tirlán wide area network consists of 80 locations including manufacturing facilities, data centres, office and retail locations.

Key Responsibilities

• Work closely with the network and security managed service providers to:
• Plan and execute the selection, installation, configuration, and testing of network equipment including switches, routers and firewalls
• Implement security policies and controls as defined by Tirlán's security team
• Maintain effective network services by evaluating and resolving network performance issues including availability, utilisation, throughput, and latency
• Maintain the network, considering redundancy, diversity, failover technologies, upgrades and expandability
• Optimise the network through monitoring performance, and collaborating with network architects on design
• Review SLAs and overall performance of the network managed service providers.
• Serve as technical specialist in network problems and emergencies.
• Maintain up-to-date documentation of network configurations and setups
• Ensure the network complies with security standards and industry regulations, and implement disaster recovery and business continuity plans as needed
• Work collaboratively with other IT teams and business stakeholders to support new initiatives and projects
• Contribute to the strategy development for Tirlan's Central IT Infrastructure

Key Requirements:

• Bachelor's degree in Computer Science, Information Technology, or a related field
• 5+ years of experience in IT Network Support
• Expert knowledge of network technologies and their application across WAN, LAN, Wireless, Voice, and Network Security
• Experience in configuration, implementation, and support of enterprise or manufacturing networks with diverse solutions from multiple vendors
• Experience with WAN and LAN design, IP networking, firewalls, switching, routing, wireless and remote access technologies
• Preferable to have industry recognised certifications e.g CCNP,
• Ability to manage relationships with internal business customers
• Proven experience working with managed service providers in managing Enterprise Networks
• Strong verbal and written communication skills
• Proven analytical and problem-solving skills
• Strong team player with a growth mindset

About us

Through our expertise in research and development, customer insights, food safety and state-of-the-art manufacturing we bring innovative food and nutrition solutions to a global market.  Our new and vibrant headquarters in Kilkenny City operates as a collaboration hub where multi-functional teams come together in a hybrid work environment.

Commitment to Diversity & Inclusion
We believe in the value of difference. We know that different perspectives, life experience and backgrounds can drive innovation and deliver growth.

We welcome people from all walks of life without regard to race, colour, religion, sex, sexual orientation, gender perception or identity, national origin, age, marital status, or disability status.

Join our Talent Pool

Considering a new career in Tirlán but this isn't the role for you? Join our talent community and sign up for job notifications at

Tirlán is a Values Based Organisation

Presidio, Where Teamwork and Innovation Shape the Future
At Presidio, we're at the forefront of a global technology revolution, transforming industries through cutting-edge digital solutions and next-generation AI. We empower businesses—and their customers—to achieve more through innovation, automation, and intelligent insights.

The Role
As a Network Engineer, you will be part of our dedicated Support Team. You will need to have a broad technical background with good communication skills, an eagerness to learn and previous experience in a similar role.

Responsibilities Include

• Handle incidents at a level 2 related to Cisco routers, switches, firewalls, and wireless controllers
• Implement and adjust configurations for IOS, IOS XE, and NX-OS platforms in accordance with best practices
• Able to manage customer onboarding process (documentation review, health checks, liaise with 3rd parties, setup monitoring alerts)
• Accepting incident escalations
• Working with the team to develop processes and solutions that are able to enhance the service provided to our customers
• Responsible for complying with all ISMS Policies and Procedures within Presidio Europe and support the ISMS continuous improvement process
• Due to the nature of the work, the successful candidate will be required to work out of hours at times
• You may be required to become part of the on-call team

Required Skills And Professional Experience

• Ability to communicate well with all levels of staff at client sites
• Quickly build good relation and gain client confidence
• Work individually and as a part of a team
• Be able to follow company procedures and methods
• Available to work out of hours / weekends if necessary
• Logical thinker
• Have a proven track record in trouble shooting and problem solving
• Ability to quickly learn new products
• Must be pro-active
• Fluent in English

Preferred Skills And Professional Experience

• At least 5 years' experience as a network engineer
• CCNP Enterprise certification
• Live experience in implementing and troubleshooting common network and security technologies e.g. Firewalls, authentication solutions, wireless, routing & switching etc.
• Palo Alto or Juniper experience would be a distinct advantage
• Be able to lead activity to investigate and mitigate security incidents and be able to complete RCA reports
• Strong customer facing skills as customer face to face meetings will be required from time to time (virtual)
• Experience in reporting on day to day management of customer security and networking solutions and be able to be the 'technical expert' when attending customer meetings.
• Review and recommend network security improvements for various customer environments

Your future at Presidio
Joining Presidio means stepping into a culture of trailblazers—thinkers, builders, and collaborators—who push the boundaries of what's possible. With our expertise in AI-driven analytics, cloud solutions, cybersecurity, and next-gen infrastructure, we enable businesses to stay ahead in an ever-evolving digital world.

Here, your impact is real. Whether you're harnessing the power of Generative AI, architecting resilient digital ecosystems, or driving data-driven transformation, you'll be part of a team that is shaping the future.

Ready to innovate? Let's redefine what's next—together.
About Presidio
At Presidio, speed and quality meet technology and innovation. Presidio is a trusted ally for organizations across industries with a decades-long history of building traditional IT foundations and deep expertise in AI and automation, security, networking, digital transformation, and cloud computing. Presidio fills gaps, removes hurdles, optimizes costs, and reduces risk. Presidio's expert technical team develops custom applications, provides managed services, enables actionable data insights and builds forward-thinking solutions that drive strategic outcomes for clients globally.
For more information, visit
.
Presidio is committed to hiring the most qualified candidates to join our amazing culture. We aim to attract and hire top talent from all backgrounds, including underrepresented and marginalized communities. We encourage women, people of color, people with disabilities, and veterans to apply for open roles at Presidio. Diversity of skills and thought is a key component to our business success.

Recruitment Agencies, Please Note:
Presidio does not accept unsolicited agency resumes/CVs. Do not forward resumes/CVs to our careers email address, Presidio employees or any other means. Presidio is not responsible for any fees related to unsolicited resumes/CVs.