35 Network Engineer jobs in Ireland

Network Engineer - Limerick (6 month contract) Key Responsibilities: Take ownership of existing Palo Alto firewall configurations to ensure old and new environments remain fully isolated. Perform lifecycle management of network infrastructure, including upgrades, migrations, and optimisations. Support ongoing and upcoming warehouse and construction projects by implementing secure network designs. Configure and maintain Cisco routers and switches, Cisco Wireless, Aruba SD-WAN, and Palo Alto firewalls. Collaborate closely with automation, operations, and security teams to align network architecture with manufacturing requirements. Troubleshoot complex network issues, ensuring minimal downtime and optimal performance. Provide documentation, change management input, and knowledge transfer to internal teams. Required Skills & Experience: Senior-level hands-on experience in network engineering within enterprise or manufacturing environments. Strong proficiency with: Cisco routers & switches Palo Alto firewalls (including segmentation and security policies) Aruba SD-WAN Cisco Wireless solutions Proven track record in firewall policy management and environment segmentation. Experience working in projects involving new builds, warehouse setups, or similar large-scale infrastructure deployments. Ability to work independently, quickly get up to speed in a complex environment, and take initiative. Excellent troubleshooting and problem-solving skills. Skills: aruba Cisco

Our Dublin based client are looking for aNetwork Engineerto join their team This is a permanent position with a market leading organization who have an excellent reputation and strong Technology team in Dublin Position will report into the IT Infrastructure Manager and offer a great career opportunity and chance for progression and development Responsibilities Support the maintenance and monitoring of the organizations network infrastructure. Assist senior team members in ensuring network reliability, security, and performance. Monitor and resolve user reported network infrastructure Resolve issues that are assigned via the IT Service Desk ticketing system. Analyse network problems, perform root cause analysis, and ensure preventative measures are put in place. Assist in the configuration and maintenance of networking hardware and software Monitor network performance, troubleshoot connectivity issues, and escalate as needed. Provide first-line support for network-related incidents and service requests. Assist with the deployment and documentation of new network infrastructure projects. Liaise with external vendors and service providers as required. Stay current with networking trends and technologies to support ongoing development. Undergoing training and development as and when required as part of the role Performing other duties that may be required from time to time. Qualifications Qualifications or experience in relevant Azure/Windows technologies. Qualifications or experience in networking technologies, including virtual networks. Experience required A degree in Computer Science, Information Technology, or related field. 2/3+ years' experience in a similar role Understanding of core networking protocols (TCP/IP, DNS, DHCP, etc.). Be familiar with network hardware such as routers, switches, and firewalls. Have an understanding of OSI model. Strong problem-solving skills and attention to detail. Good written and verbal communication skills. HOW TO APPLY: To apply for this role, please submit your updated CV. If your skills and experience match job requirements, you will be contacted to discuss your application in detail. SIMILAR ROLES OPEN: As a specialized recruitment agency, we also have several other permanent and contract IT roles available. Visit our website for more information or explore additional opportunities. Skills: Network Support Network Administration Computer Networking Information Technology Hardware Routers Switches Benefits: Laptop Paid Holidays Pension Fund Performance Bonus

Our large Tech client is currently hiring for a Network Engineer position. You will be mainly responsible for developing solutions in order to support the team to act on network failures. This is a 6 month contract position, based in Dublin and is a hybrid role. Key Responsibilities: Partner with network vendor technical account and quality assurance teams to resolve bugs and qualify new firmware/operating systems. Assist to develop procedures and tools to safely execute network changes. Manage and Perform Firmware upgrades and configuration refreshes. Requirements 4+ years of experience. Experience with protocols and services such as MPLS, BGP/OSPF/IS-IS, TCP, IPv4, IPv6, DNS, DHCP, VxLAN and EVPN. Experience with networking protocols such as TCP/IP, VPN, DNS, DHCP, and SSL. Daily rate is €330 - €550 a day depending on experience. Randstad encourage applications from individuals of all ages & backgrounds. Whilst appointments will be made on merit alone candidates must be able to prove their right to work in the UK or the Republic of Ireland (as relevant). Randstad acts as an employment agency for permanent recruitment & an employment business for temporary recruitment as defined by the Conduct of Employment Agencies & Employment Business Regulations 2003 Skills: hardware engineer MPLS BGP/OSPF/IS-IS Firmware upgrades

At Microsoft, our mission is to empower every person and every organization on the planet to achieve more, with Azure serving as the physical platform that underpins this mission. Azure Fiber is a critical component of Azure, dedicated to the design, buildout, and operations of the Global Optical Network. This network is the lifeline of connectivity, enabling seamless interaction with Azure and services like Teams, Xbox, Office, Bing, and OpenAI's ChatGPT across the globe. With a focus on Hollow Core Fiber (HCF) and cable, Azure Fiber is preparing for exponential growth driven by continued Cloud success and new Artificial Intelligence (AI) demands, ensuring that every Microsoft customer can rely on our infrastructure for high-quality, secure, and reliable connectivity to all Microsoft services.
As an Optical Network Developer, you will be responsible for deploying and operating optical networking solutions using both existing and new optical fiber technologies, including Hollow Core Fiber (HCF). Your role will involve collaborating with a wider team to develop a global operations strategy, creating automation platforms and hands on operating the network day to day. You will work alongside some of the brightest engineers to ensure a highly available network that meets the capacity demands driven by AI advancements.
Microsoft's mission is to empower every person and every organization on the planet to achieve more. As employees, we come together with a growth mindset, innovate to empower others, and collaborate to realize our shared goals. Each day, we build on our values of respect, integrity, and accountability to create a culture of inclusion where everyone can thrive at work and beyond. 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.
**Responsibilities**
+ Tooling, Development, and Code Optimization: Create and maintain operations, runbooks, workflows, and self-remediation tools. Write, enhance, and streamline code for managing and automating optical networks, emphasizing scalability and efficiency for AI networks.
+ Automation: Develop software solutions to automate operational processes and explore innovative approaches to reduce manual effort through AI and software solutions.
+ Incident Management: Be part of the Optical operational on-call rotation following the "follow the sun" model to maintain high network availability, swiftly addressing and resolving incidents as they arise.
+ Telemetry, Data Analysis, and Success Metrics: Monitor AI-optimized optical network telemetry and use data analytics to identify issues and improve products and services. Develop tools for automatic problem resolution and continuous network improvement. Establish and track metrics to continuously improve network availability and performance.
+ Design and Engineer Solutions: Develop and implement scalable network solutions to meet the growing demands of our infrastructure.
+ Continuous Improvement and Trend Adaptation: Keep up with optical networking and AI advancements. Incorporate new knowledge and technologies to enhance the performance and reliability of AI-optimized optical networks.
**Qualifications**
**Required/Minimum Qualifications:**
+ 5+ 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 2+ 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 1+ year(s) technical experience in network design, development, and automation.
**Other 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.
**Additional or Preferred Qualifications:**
+ 8+ 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 5+ 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.
+ Automation experience with coding in languages including, but not limited to, Python, C#, JavaScript, SQL or RUST is preferred.
+ 5+ years of technical experience with a focus on optical transceiver design, validation, and testing utilizing coherent, direct-detection, and WDM technologies.
+ Strong problem-solving skills and a willingness to learn and adapt to new technologies, excellent communication skills and the ability to work effectively in a team-oriented environment, a customer-first mentality, with a focus on delivering high-quality service.
#azurecorejobs
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 ( .

Who are we? Founded in 1998, PlanNet21 are a multi-award winning technology solutions provider with headquarters in Dublin Ireland. We employee over 100 full time staff with regional offices across Cork, Galway, Belfast, and Edinburgh. Since our inception PlanNet21s heritage was built upon pioneering technical innovation and excellence and this continues with some of the key customers PlanNet21 work alongside today. Throughout our 26-year history PlanNet21 have built up key strategic technology partnerships with some of the world leading technology vendors including Cisco, Palo Alto Networks, HPE Aruba, Juniper, Nutanix, IBM among many others. We hold a number of advanced industry specialisations across enterprise networks, security, cloud, unified communications and collaboration, contact centre services and bespoke software development solutions. With our unified architecture approach, we possess all the key attributes to evaluate, design, commission and support complex solutions for some of the industrys most prestigious customers across a range of sectors including enterprise, public sector, education and global multinationals. Mid-Level Network Engineer CCNP This is a unique opportunity for a Network & Security or IP routing and switching engineer with CCNP Certified Professional certification and relevant experience, to join a successful Systems Integrator delivering IP Services to many enterprise customers in Ireland. Taking full ownership of projects relating to the design and delivery of our customers core networks and customer-facing networks, this is an excellent time to join a company with great promise. This role is based on site with our customer, in a team of 7, in the City Center. Responsibilities: Design and deliver technical solutions to customers in Cisco and Fortinet networking and security environments Be able to take design plans and implement into the infrastructure according to business and technical requirements. Have a strong technical troubleshooting skill set and be able to research and develop solutions during project delivery Communicate proactively with all involved personnel to identify problems, create solutions, and implement efficiency improvements. Technically manage projects with top-down oversight throughout entire execution to ensure success as defined by adherence to standards of scope, budget, and timeline. Coordinate with various stakeholders and technical personnel during all project phases, from initial development through implementation. Monitor project progress continuously and make detailed scheduled reports on measurable items, such as milestones and deliverables. Review proposed modifications on project plans, including meeting with interested parties to approve and implement beneficial changes. Provide 2nd and 3rd level support for all reported incidents. Liaise with manufacturer TAC support teams during customer incidents. Key Skills & Experience required: Good problem-solving and troubleshooting skills Experience troubleshooting technical incidents in Cisco and / or Fortinet environments. Cisco ISE, Firepower, Wireless and DNAC experience Cisco Routing and Switching experience Fortinet fortigate, fortiManager, fortianalyzer experience Cisco CCNP and / or Fortinet FCSS qualifications requirement. Previous experience delivering networking and security solutions to customers in Cisco and Fortinet environments Practical experience of common routing protocols such as BGP, OSPF and ISIS Familiarity with MPLS technologies (both Layer 2 and Layer 3 VPN) Excellent written and verbal communication skills. Comfortable interacting with customers/other departments and management Excellent MS Office skills Why choose PlanNet21? PlanNet21 Communications doesnt just hire good people. We hire the best people possible. By joining PlanNet21 you join an exciting community of developers, engineers, employees, partners and customers who are committed to building next generation of communications networks. The secret of our success is the people we recruit and were looking for the best. You need an enquiring mind, a proven ability to solve complex problems and have an outstanding academic record. Join us and youll find that the focus is all about you. Youre recognised and treated as an individual. Your training is unique to you and will continue throughout your career. The only constant is that you will be challenged and stretched, but within a supportive environment, working with some of the brightest minds in the business. Structured Career Path Financially Stable Employer Exposure to Industry Giants Challenging Environment Ongoing Training & Development Flexible Working Environment Generous Benefits & Package PlanNet21 Communications is an Equal Opportunities Employer committed to Diversity and Inclusion. Benefits: Discussed at interview

Telecoms Network Engineer : Meath/Hybrid We are looking for a skilled Telecoms Network Engineer with a proven track record in designing, provisioning, and operating Operational Telecommunication Networks. Key responsibilities include: Collaborating with sales and PMO teams to deliver networks on time and within budget Providing level 2 & 3 support for client incidents and troubleshooting network performance Configuring equipment and supporting field deployments for new solutions Monitoring and reacting to client network issues within the NOC Conducting risk assessments, preventive maintenance, and creating network documentation Championing technology changes and driving innovation in service offerings Essential Experience & Skills: 5+ years of telecom experience in utility services Proficiency with Ethernet switches, routers, firewalls, and OTA devices Strong leadership skills in setting technical standards and resolving issues Experience with LAN/WAN design, VPN configuration, and firewall management Expertise in incident/change management systems and network resilience Excellent communication, time management, and team collaboration skills Qualifications: Degree in telecoms, IT, or related fields CompTIA/CCNA or equivalent certification Full clean driver's license For more details and a confidential chat, get in touch ASAP! I am dealing with a highly Engaged Hiring Manager and have interview slots for next week! Skills: Network Engineer (Telecoms) lan wan meath/Hybrid

**Summary:**
Meta's Network Security team is seeking an experienced engineer to help secure our global Data Centers, network Backbone, Optical Infrastructure, and Edge PoPs. We do this by working extensively across the Meta family of products, including Instagram, WhatsApp, and AI where we identify and solve security problems across network infrastructure. You will be responsible for building, implementing, and operationally supporting the organization to develop security controls and services that will protect network infrastructure which helps serve traffic for over 3 billion users worldwide. We are looking for engineers with experience in managing complex issues that require problem-solving to drive security and innovation, who will research and develop new solutions to help protect our infrastructure and our users through a defense in-depth approach. The team thrives in finding security issues and eradicating them and makes life hard for bad actors. With focuses that range from large scale Distributed Denial of Service (DDoS), routing security, security tool development, defense against internal and external attacks there's lots of room to push your skill set in deploying network security controls at scale.
**Required Skills:**
Network Security Engineer Responsibilities:
1. Identifying risks across network infrastructure that would lead to the exposure of sensitive data, unauthorized access, or loss of availability and prioritizing remediation efforts to address gaps
2. Influence security direction of the network, including management software and infrastructure to protect the network integrity of Meta platforms
3. Conceptualize and lead efforts towards building sustainable and scalable network layer security controls and tooling
4. Mentor and champion security practices through cross functional work with engineering teams throughout Meta
5. Keep Meta's safe through active operation and defense of critical network infrastructure
**Minimum Qualifications:**
Minimum Qualifications:
6. Engineering degree, or a related technical discipline, or equivalent work experience
7. Experience coding in higher-level languages (e.g. Python, Rust, Go, C++)
8. Experience in configuration and maintenance of network platforms such as firewalls, routers, switches, load balancers, and proxies
9. Experience learning software, frameworks and APIs
**Preferred Qualifications:**
Preferred Qualifications:
10. Understanding of implementation and scaling of access controls across both host and network layers.
11. Understanding of threat models to better protect against attacks or detect new vectors.
12. Experience leading network efforts to investigate, prevent, and mitigate security incidents.
13. Experience evaluating and testing new vendor platforms and in house network initiatives for security issues.
14. Experience leveraging layered security models to defend critical network infrastructure.
**Industry:** Internet

SMBC Group is a top-tier global financial group. Headquartered in Tokyo and with a 400-year history, SMBC Group offers a diverse range of financial services, including banking, leasing, securities, credit cards, and consumer finance. The Group has more than 130 offices and 80,000 employees worldwide in nearly 40 countries. Sumitomo Mitsui Financial Group, Inc. (SMFG) is the holding company of SMBC Group, which is one of the three largest banking groups in Japan. SMFG's shares trade on the Tokyo, Nagoya, and New York (NYSE: SMFG) stock exchanges.
In the Americas, SMBC Group has a presence in the US, Canada, Ireland, Mexico, Brazil, Chile, Colombia, and Peru. Backed by the capital strength of SMBC Group and the value of its relationships in Asia, the Group offers a range of commercial and investment banking services to its corporate, institutional, and municipal clients. It connects a diverse client base to local markets and the organization's extensive global network. The Group's operating companies in the Americas include Sumitomo Mitsui Banking Corp. (SMBC), SMBC Nikko Securities America, Inc., SMBC Capital Markets, Inc., SMBC MANUBANK, JRI America, Inc., SMBC Leasing and Finance, Inc., Banco Sumitomo Mitsui Brasileiro S.A., and Sumitomo Mitsui Finance and Leasing Co., Ltd.
+ This is a hybrid role, requiring the successful candidate to attend our Tralee office.
+ Occasional scheduled Saturday work required.
**Role Description**
SMBC is seeking a Network Security Engineer who has a strong passion for Security Systems and is interested in building a career at a fast growing and reputable Bank. The Network Security Engineer will be responsible for configuring firewall rules, analyzing security events, and implementing robust security controls across systems and networks. This role involves close collaboration with cross-functional IT teams to ensure effective protection strategies are seamlessly integrated into infrastructure operations.
The ideal candidate will also have opportunities to serve as a subject matter expert, leveraging their technical expertise to resolve complex challenges while navigating established policies, standards, and governance frameworks.
This role will report to the Security Systems Engineer Team Lead
**Role Objectives: Delivery**
+ Works with internal IT Application, Infrastructure, Network and Support teams to ensure that security controls are implemented at all significant and relevant phases of IT processes.
+ Configures firewall rulebase and objects.
+ Configures system and network related parameters.
+ Performs IDS/IPS configuration, updates and tuning.
+ Participates in incident response and investigations; tracks and documents the remediation process.
+ Coordinates and performs security audits and vulnerability assessments to determine internal security procedures and compliance requirements.
+ Reviews security event log data and investigates anomalies.
+ Implements and supports information security solutions including security architectures, change and configuration management and security product integration.
+ Performs testing to evaluate new products for network and system controls.
+ Provides training to Help Desk staff on access request procedures.
+ Adheres to project management methodology/SDLC/PLC processes as it relates to projects and their implementation.
**Qualifications and Skills**
+ 2 years experience supporting IT Security tools and applications.
+ Bachelor's Degree in Computer Science or related field.
+ Process documentation, flow charting and re-engineering experience.
+ Some Project Management Experience a plus.
+ Encryption technologies and PKI infrastructure.
+ Knowledge of Information Security regulatory requirements, codes and industry guidance such as such as NIST 800-53, ISO27001, CIS and Cobit.
+ Ability to utilize resources to contribute valuable input to Information Security projects and Risk Assessments, e.g. ISACA, CIS, FS-ISAC.
+ Networking technologies (TCP/IP/etc.) and protocols (SSL, SSH, LDAP, SMTP, DNS, etc.).
+ Microsoft Active Directory.
+ Familiarity with security monitoring concepts.
+ Administration of more than Palo Alto Firewall, Checkpoint Firewall, Imperva Waf, Tufin.
+ Have strong verbal and written communication skills.
+ Ability to demonstrate a self-motivated and disciplined approach to learning and working.
+ Ability to work in a team environment and demonstrate leadership skills when needed.
+ Possess a highly developed sense of personal accountability and follow-through with an ability to effectively prioritize multiple personal tasks, projects, and goals.
**Additional Requirements**
SMBC's employees participate in a hybrid workforce model that provides employees with an opportunity to work from home, as well as, from an SMBC office. SMBC requires that employees live within a reasonable commuting distance of their office location. Prospective candidates will learn more about their specific hybrid work schedule during their interview process.
SMBC provides reasonable accommodations during candidacy for applicants with disabilities consistent with applicable federal, state, and local law. If you need a reasonable accommodation during the application process, please let us know at

**Summary:**
Meta's Edge & Network Service (ENS) team is actively looking for passionate people to help us tackle the unique set of challenges and opportunities we face, while contributing to our company mission of connecting the world. Our team is the execution arm of the Meta network team and is responsible for the deployment and support of all production networks (Edge, Backbone, Optical, and Datacenter) as well as our content delivery network (CDN) across the globe. This truly global team offers a unique career opportunity to work with all of the latest network technologies and talented engineers solving some of the most complex problems in the industry. This position is full-time and will be based in our Clonee datacenter.Our datacenter footprint is constantly growing to adapt to the vast amount of new services we provide to people. This results in a dramatic scaling challenge that our engineers face on a daily basis. Not only do we need to build and evolve the physical infrastructure that connects myriads of servers together, but also ensure that the network is running smoothly and meets strict performance goals. With the introduction of our own switching software (FBOSS) and our open networking hardware projects (Wedge, Wedge100 and Backpack) we have entered into a new era of unprecedented opportunities to re-think traditional networking and iterate quickly in an area that was previously very closed to innovation.
**Required Skills:**
Network Engineer, Deployment & Support Responsibilities:
1. Deployment, configuration, and management of all network infrastructure on our datacenter campus
2. Work with partner teams and vendors to manage day-to-day operations and reliability of the regional network
3. Schedule and perform maintenance including upgrades, migrations, and decommissioning of production networks
4. Create deployment packages and maintain as-built documentation and asset database for installed network gear
5. Establish and implement global best practices and contribute to the design of new scalable network solutions
6. Support the development, testing and integration of new hardware and software platforms into the network
7. Participate in an on-call rotation to support the regional network infrastructure 24x7
**Minimum Qualifications:**
Minimum Qualifications:
8. 6+ years of related work experience responsible for designing, deploying and operating large-scale networks
9. Experience configuring and troubleshooting routing and switching protocols (BGP, IS-IS, MPLS, RSVP-TE, VRRP)
10. Working knowledge of network protocols (TCP/UDP, DHCP, DNS) and experience with IPv4 and IPv6
11. Experience working in a multi-vendor environment with hands-on experience with networking hardware
12. Working knowledge of physical infrastructure design including structured cabling and fiberoptic cabling
13. Proven ability to manage multiple projects simultaneously and deliver against mission critical deadlines
14. Proven ability to work in fast-paced global team environments and solve problems with limited supervision. - Ability to lift/move 30-40 pounds on a daily basis
15. 10% of travel, up to 30% based on projects
**Preferred Qualifications:**
Preferred Qualifications:
16. Working knowledge of 40/100G Ethernet and CWDM, DWDM and optical transport network technologies
17. Experience with field-based work in Data Centers, Colocation Facilities, Internet Exchanges, or Central Offices
18. Working knowledge of data center power and cooling infrastructure and critical facility operational best practices
19. Familiarity with the Linux based systems. - Experience with scripting and automation (Bash, Python, Perl)
20. Technical leadership capabilities and people management experience
**Industry:** Internet