Senior Network Engineer

Job title:

Senior Network Engineer

Company

Fiserv

Job description

Calling all innovators – find your future at Fiserv.We’re Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial institutions, corporations, merchants, and consumers to one another millions of times a day – quickly, reliably, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we’re involved. If you want to make an impact on a global scale, come make a difference at Fiserv.Job Title Senior Network EngineerJob Title: Senior Network EngineerWhat does a successful Senior Network Engineer do?
Are you passionate about technology, energized by challenges, and eager to roll up your sleeves to solve problems—even when it means working late into the night? We’re looking for a hands-on Network / Automation Engineer who brings a bias for action, a strong sense of ownership, and a hunger to learn and grow. You thrive in dynamic, fast-paced environments and are excited by the opportunity to work on cutting-edge technology. If you have the energy, commitment, and drive to make a real impact, we want you on our team.What You Will Do:

• Take a hands-on role in designing, delivering, and supporting network infrastructure.
• Tackle challenges head-on in next-generation data center networks, delivering sustainable, repeatable solutions.
• Proactively automate network operations by creating and maintaining tools, scripts, and runbooks—always looking for better, faster ways to get things done.
• Collaborate closely with other engineering and development teams to ensure smooth rollouts of new designs and products.
• Continuously challenge and evolve operational methodologies, helping to shape the future of automation at Fiserv.
• Create, review, and maintain documentation, processes, and knowledge transfer materials to share your expertise and help others learn.
• Work directly with customers to implement optimal network solutions and provide 2nd-level support, always with a sense of urgency and ownership.
• Build, configure, and install networking devices; contribute to infrastructure programmability using Python, Ansible and web technologies.
• Implement client access solutions like IPSEC/VPNs and SDWAN networks.

What You Will Need to Have:

• At least 5 years’ experience in network engineering, network design, or architecture, with a strong preference for hands-on roles.
• Demonstrated energy, initiative, and a proven track record of taking ownership and driving results.
• Experience with Ethernet, TCP/IP, ISIS, OSPF, BGP, MPLS, VXLAN, FabricPath.
• Experience with Data Center (DC) Networking technologies.
• Ability to organize and prioritize multiple tasks daily in a fast-moving environment.
• Experience supporting large-scale enterprise networks.
• Strong skills in producing clear, detailed technical documentation.
• Excellent written and verbal communication skills for effective collaboration with peers and customers.
• High level of stamina and resilience; comfortable working long hours and flexible schedules, including sometimes nights and/or during the weekend, as required.
• Strong desire for continuous learning and professional development.
• Willingness and ability to participate in an on-call rotation.

What Would Be Great to Have:

• Experience with Cloud Environments (AWS and Azure).
• Palo Alto Firewall Management experience.
• Experience with automation and DevNet tools such as Python, Ansible, and web technologies (AJAX, JavaScript, HTML, Django, Flask).
• Any other additional scripting or software development skills.
• Experience working in international, collaborative environments.

Thank you for considering employment with Fiserv. Please:

• Apply using your legal name
• Complete the step-by-step profile and attach your resume (either is acceptable, both are preferable).

Our commitment to Diversity and Inclusion:Fiserv is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, gender, gender identity, sexual orientation, age, disability, protected veteran status, or any other category protected by law.Note to agencies:Fiserv does not accept resume submissions from agencies outside of existing agreements. Please do not send resumes to Fiserv associates. Fiserv is not responsible for any fees associated with unsolicited resume submissions.Warning about fake job posts:Please be aware of fraudulent job postings that are not affiliated with Fiserv. Fraudulent job postings may be used by cyber criminals to target your personally identifiable information and/or to steal money or financial information. Any communications from a Fiserv representative will come from a legitimate Fiserv email address.

Expected salary

Location

Dublin

Job date

Sat, 12 Jul 2025 03:54:24 GMT

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