36 Network Engineering jobs in Ireland
Network Security Engineer
Posted 9 days ago
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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
Network Security Engineer
Posted 12 days ago
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Job Description
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
Sr. Network Security Engineer

Posted 14 days ago
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As a Sr. Network Security Engineer, you will be part of Network and Workforce Engineering organization. This position will support network security objectives including but not limited to on-prem and cloud firewalls, web application firewalls and zero trust architecture. This position will report to the Head of Global Networking and Security.
This is a position located in either Dublin or Cork, Ireland. You will be required to be onsite on an as-needed basis. We are only considering candidates within a commutable distance to one of the two locations and are not offering relocation assistance at this time.
**_About the Role:_**
+ Support existing on-prem and cloud-based firewalls with both ticket-based and project-based work.
+ Work as a member of cross functional teams to produce secure technical solutions to meet business requirements.
+ Serve as a Subject Matter Expert on all Network Security issues.
+ Support load balancers in our cloud providers.
+ Support Web Application Firewalls.
+ Support both client based and site to site Virtual Private Network solutions.
+ Participate in an on-call rotation (approx. 1 week/mo.).
+ Serve as escalation point for all network security issues.
**_About You_** **_:_**
+ 4+ years' experience with Next Generation Firewalls (Fortinet strongly preferred).
+ 4+ years' experience with cloud networking and AWS network firewall.
+ 4+ years' experience with layer 7 load balancers (Avi/AWS strongly preferred).
+ 3+ years' experience implementing and managing Web Application Firewalls (AWS strongly preferred).
+ Intermediate knowledge of TCP/IP routing, and network switching.
+ Strong understanding of TCP/IP troubleshooting techniques including decoding packet captures.
+ Strong customer service focus.
+ Experience working with globally distributed teams.
+ Strong documentation skills.
+ Preferred: AWS or GCP network/security certifications.
#LI-Hybrid
**_Company Overview_**
McAfee is a leader in personal security for consumers. Focused on protecting people, not just devices, McAfee consumer solutions adapt to users' needs in an always online world, empowering them to live securely through integrated, intuitive solutions that protects their families and communities with the right security at the right moment.
**_Company Benefits and Perks:_**
We work hard to embrace diversity and inclusion and encourage everyone at McAfee to bring their authentic selves to work every day. We offer a variety of social programs, flexible work hours and family-friendly benefits to all of our employees.
+ Bonus Program
+ Pension and Retirement Plans
+ Medical, Dental and Vision Coverage
+ Paid Time Off
+ Paid Parental Leave
+ Support for Community Involvement
We're serious about our commitment to diversity which is why McAfee prohibits discrimination based on race, color, religion, gender, national origin, age, disability, veteran status, marital status, pregnancy, gender expression or identity, sexual orientation or any other legally protected status.
Senior Network Security Engineer (Checkpoint)

Posted 12 days ago
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_Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential._
**Title and Summary**
Senior Network Security Engineer (Checkpoint)
Network Engineering team is looking for dynamic & experienced network professional to work on implementation, security and support of large multi-site, robust multi-vendor network environments.
Major Accountabilities:
o Manage and implement medium to complex networks in multi-domain environments working on industry leading technologies & platforms.
o Partner with design and platforms teams, implementing network designs as per requirements defined. Working on new, as well as re-architecting network segments to facilitate new requirements, technologies, and growth.
o Be able to effectively triage and conduct effective problem solving.
o Good communication, accountability and attention to detail are important soft skills
o Support regional projects, which include responsibility for planning, time, and implementation.
o Ability & desire to automate processes and tasks to increase efficiency.
Education:
o Bachelor's degree in computer science, Math, or Engineering or equivalent combination of education and experience.
o Industry leading certification (Cisco, Checkpoint, Arista, etc) desirable but not compulsory
Knowledge / Experience:
o 5+ Years IT experience in the following areas:
o Skills and knowledge on network automation/scripting such as Python, Ansible.
o Proven experience & hands on knowledge on Fundamentals of Network engineering and operations.
o Experience of managing and deploying medium to large scale networks using such as Cisco, Palo Alto, Aruba, Arista & Checkpoint.
o Awareness of Project Management methodology and best practices.
o Strong hands-on knowledge of Network diagnostics, BGP, VPN, DMVPN, MPLS, SD-WAN
o Strong understanding of Network Architecture and new trends - Traditional, Cloud, Spine/Leaf, segmentation.
o Good knowledge and hands-on experience of firewalls and other security methods.
o Experience creating and maintaining detailed process documentation.
Skills/ Abilities:
o Strong verbal and written communications skills.
o Self-starter with demonstrated listening skills.
o The ability to adapt and willingness to learn new technologies as required.
o Team player and equally strong individual contributor.
o Limited supervision: work may be reviewed for direction and strategy.
Working condition
o May require occasional local/domestic travel within country
o Should be open to working occasional weekends/weeknights for planned work.
**Corporate Security Responsibility**
All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must:
+ Abide by Mastercard's security policies and practices;
+ Ensure the confidentiality and integrity of the information being accessed;
+ Report any suspected information security violation or breach, and
+ Complete all periodic mandatory security trainings in accordance with Mastercard's guidelines.
Engineering Manager Software Defined Network
Posted 2 days ago
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Job Description
+ Bachelor's degree or equivalent practical experience.
+ 8 years of experience with software development in one or more programming languages, and with data structures/algorithms.
**Preferred qualifications:**
+ Master's degree or a PhD.
Google Cloud's software engineers develop the next-generation technologies that change how billions of users connect, explore, and interact with information and one another. We're looking for engineers who bring fresh ideas from all areas, including information retrieval, distributed computing, large-scale system design, networking and data storage, security, artificial intelligence, natural language processing, UI design and mobile; the list goes on and is growing every day. As a software engineer, you will work on a specific project critical to Google Cloud's needs with opportunities to switch teams and projects as you and our fast-paced business grow and evolve. You will anticipate our customer needs and be empowered to act like an owner, take action and innovate. We need our engineers to be versatile, display leadership qualities and be enthusiastic to take on new problems across the full-stack as we continue to push technology forward.
Google Cloud accelerates every organization's ability to digitally transform its business and industry. We deliver enterprise-grade solutions that leverage Google's cutting-edge technology, and tools that help developers build more sustainably. Customers in more than 200 countries and territories turn to Google Cloud as their trusted partner to enable growth and solve their most critical business problems.
**Responsibilities:**
+ Build Software Defined Network (SDN) control plane systems for Google's Global Network Edge (GNE), to control Google's Edge network, which is vital for every Google service user and Cloud customers.
+ Design, implement and qualify control plane networking features, including software architecture evolution, admission control and bandwidth enforcement, network programming coordination and management, and availability improving mechanisms.
+ Lead a team of talented engineers, and work closely with other GNE partners, test engineers, and Site Reliability Engineer (SREs), to develop and deploy our software defined Edge network.
Google is proud to be an equal opportunity workplace and is an affirmative action employer. We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity or Veteran status. We also consider qualified applicants regardless of criminal histories, consistent with legal requirements. See also and If you have a need that requires accommodation, please let us know by completing our Accommodations for Applicants form:
Network Engineer

Posted 14 days ago
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Are you ready to take your network engineering career to the next level? Join our dynamic team in Dublin, where you'll play a pivotal role in supporting and evolving Abbott's global Wide Area Network (WAN) infrastructure. We're looking for a skilled and motivated **Network Engineer** to lead technical initiatives, drive innovation, and ensure seamless connectivity across our global operations.
**Your Impact**
As a Network Engineer, you'll be at the heart of our global network operations-designing, implementing, and supporting cutting-edge WAN, SD-WAN, and LAN solutions. You'll collaborate with cross-functional teams, lead complex projects, and ensure our network infrastructure is secure, scalable, and high-performing.
**What You'll Do**
+ Design, implement, and troubleshoot WAN, SD-WAN, LAN, and WLAN environments, including routers and network hardware.
+ Apply your expertise in protocols such as EIGRP, OSPF, BGP, GRE, IPSEC, MPLS, STP, HSRP, OMP, NAT, and VPN.
+ Define hardware requirements and support project proposals from concept to deployment.
+ Execute daily service requests and contribute to large-scale network refresh and expansion projects.
+ Conduct site assessments and performance analysis to ensure optimal network capacity.
+ Identify and implement opportunities for performance and functionality improvements.
+ Drive automation initiatives to streamline network operations.
+ Ensure compliance with corporate policies, industry standards, and best practices.
+ Act as a technical SME, providing consulting support and strategic guidance to stakeholders.
+ Collaborate with cybersecurity teams to assess and enhance network security.
+ Mentor Network Operations teams and enhance operational playbooks.
+ Troubleshoot complex network issues, analyze WAN traffic, and manage vendor relationships for circuit provisioning and testing.
**What You Bring**
+ Proven ability to manage multiple projects and resolve critical incidents under pressure.
+ Strong foundation in network security, routing, switching, and TCP/IP fundamentals.
+ Deep understanding of routing protocols (BGP, OSPF, EIGRP, OMP) and security best practices.
+ Excellent communication skills and a customer-centric mindset.
+ Passion for continuous learning and staying ahead of industry trends.
**Qualifications**
+ **Required** : Bachelor's degree in Computer Science, Information Systems, Telecommunications, or related field (or equivalent experience).
+ **Preferred** : Master's degree in Computer Science, Engineering, or Telecommunications.
+ **Certifications** : CCNA, CCNP, CCSE, CCIE (active certifications preferred).
+ **Experience** : 4+ years in network engineering, ideally in multinational environments with 5000+ users.
+ **Bonus** : Multilingual skills and experience in regulated or healthcare industries.
**Preferred Technical Experience**
+ Enterprise-scale routing and switching, MPLS/VPN, SD-WAN, WLAN, Cisco ISE, and identity/authentication solutions.
+ Security infrastructure: Intrusion Prevention, Firewalls, Cloud Security (Zscaler), Cisco ASA, Check Point.
+ Load balancing and WAN optimization: Citrix NetScaler, F5 (GTM/LTM), Riverbed.
+ Cisco ACI, Cisco Wireless, API-based automation, and monitoring tools (Splunk, ServiceNow, NetBrain, LogicMonitor, LiveAction).
+ Remote access technologies: Cisco AnyConnect, Zscaler ZPA.
+ Tools and platforms: Infoblox, Tufin, Viptela SD-WAN, VManage.
**Why Abbott?**
At Abbott, you'll be part of a global healthcare leader that's improving lives through innovation. We offer a collaborative environment, opportunities for growth, and the chance to work on impactful projects that span the globe.
An Equal Opportunity Employer
Abbot welcomes and encourages diversity in our workforce.
We provide reasonable accommodation to qualified individuals with disabilities.
To request accommodation, please call or email
Network Engineer
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Network Engineer
Posted 11 days ago
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Network Engineer
Posted 11 days ago
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Optical Network Engineer
Posted 12 days ago
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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 ( .