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Senior Network Engineer

Fiserv
United Statesfull_timeVerifiedPosted 3 Nov 2025
💰 $204,000/yr($127,500/yr$204,000/yr)

About the role

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 Engineer

About Your Role
You will partner with various network product teams to provide expert level engineering and architecture on a variety of network, security, cloud, virtualization, SDN & automation technologies. You will be involved in early conceptual assessments through POC’s and will be an integral part of many transformative initiatives that will institute automated self-service solutions to efficiently deliver on internal & external customer demands.

What you’ll do:

  • Develop, engineer, and release consumable network products for various product teams such as Network Security, Network Data Center, Client WAN, Corporate, etc.
  • Provide expert level knowledge in campus wireless and wired networks and SD-WAN
  • Proactively identify and deliver automation and security deployments
  • Drive engineering and architecture standards and procedures across the global enterprise
  • Lead several global initiatives in the corporate network space such as configuration compliance, vulnerability management, lifecycle management, and automation

Experience you’ll need to have:

  • 8+ years of experience with Campus Networks including wired and WiFi, Zero-trust, Cisco Catalyst, Cisco DNA, and SASE architectures
  • 8+ years of experience in designing, deploying, and maintaining highly available underlay and overlay networking & security constructs (MPLS, eVPN, VxLAN, SD-WAN)
  • 8+ years of experience in provisioning, protecting, and maintaining Internet peering points, Public IP Management and DDOS services
  • 8+ years of experience in troubleshooting complex network technologies throughout all layers of the OSI model and deploying/diagnosing the following protocols and functions: IP, TCP, UDP, DNS, DHCP, HTTP/S, VLANs, MPLS, IPSEC, DMVPN, BGP, OSPF, EIGRP, VRF, VxLAN, RPKI, eVPN, VRRP, MLAG, VPC, STP, Anycast, IPSEC, SSL, TLS
  • 5+ years of experience in automating Network and/or Security deployments using coding/scripting languages (Python, Ansible, Powershell, etc.)
  • 5+ years of experience working with PCI/DSS controls, protections, and best practices
  • Bachelor’s degree in computer science, or a relevant field, or an equivalent combination of education, work, and/or military experience

Experience that would be great to have:

  • Excellent communication skills (written/verbal) to properly articulate complicated Network/Security designs to management and business partners
  • Strong documentation skills of solution and low-level designs
  • Experience deploying & maintaining large scale L2 & L3 DataCenter Networks
  • Experience with Cisco (IOS & NXOS) and Arista (EOS) DataCenter equipment
  • Industry certifications such as CCNP, CCIE, AWS Solutions Architect

How you’ll work:

  • Fiserv emphasizes in-person collaboration to help you grow your career while shaping the future of fintech, this role is on-site Monday through Friday
  • This role requires use of a computer and audio equipment

Travel:

  • Approximately 10% travel off-site or to other office locations is expected

Sponsorship:

  • In order to be considered, you must be legally authorized to work in the U.S. without need for visa sponsorship now or in the future

Salary Range

$127,500.00 - $204,000.00

These pay ranges apply to employees in New Jersey and New York. Pay ranges for employees in other states may differ.

It is unlawful to discriminate against a prospective employee due to the individual's status as a veteran.

For incentive eligible associates, the successful candidate is eligible for an annual incentive opportunity which may be delivered as a mix of cash bonus and equity awards in the Company’s sole discretion.

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).

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Company

Fiserv

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