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Senior Network Engineer

Fiserv
United Statesfull_timeVerifiedPosted 7 Oct 2025
💰 $182,400/yr($109,000/yr$182,400/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 join an experienced Extranet Infrastructure team responsible for design, development, deployment, and maintenance of a wide variety of networking technologies and solutions that provide global intercommunications throughout Fiserv and its customers.

What you’ll do:

  • Deliver a variety of network, security, cloud, virtualization, SDN, and automation technologies 

  • Drive early concept assessments through POCs to ensure validity of proposed industry and vendor solutions 

  • Partner with other teams across the organization to ensure internal adoption of such solutions and remain engaged throughout their lifecycles 

  • Serve as a mentor to other engineers 

Experience you’ll need to have:

  • 7+ years of experience in automating network and/or security deployments and functions in a multi-tenant or multi-data center environment 

  • 5+ years of experience in coding and scripting languages, including Python, Ansible, Powershell, Netmiko, Netconf, Napalm, Jinja, Yaml, JSON, and APIs 

  • 5+ years of experience in automation and orchestration solutions (Ansible, SaltStack, Rundeck, Docker, Jenkins, NetBox, and GIT) 

  • 5+ years of experience in designing and deploying NS, GSLB, VPN, Anycast, and Active Directory services using PCI and DSS controls, protections, and best practices 

  • 2+ years of experience in deploying and diagnosing the following: 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, and TLS 

  • 2+ years of experience in tuning and diagnosing dynamic routing protocols and associated attributes for complex route manipulation 

  • 2+ years of experience with Software Defined Networking solutions (Versa and/or Cisco SDWAN, NFV, Cloud Provider Peering) and Agile methodologies 

  • 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:

  • Juniper Route and Switch certifications and Cisco Route and Switch certifications 

  • Experience in provisioning and maintenance of Public Internet Addressing (ARIN, RiR, RPKI) 

  • Experience deploying virtualized networking and security functions 

  • Prior experience with cloud-native network services (e.g., AWS Transit Gateway, Azure VNet Peering, GCP Cloud Interconnect)

  • Experience deploying Arista EOS or vEOS Switching platforms and designing and deploying IPv6 

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

$109,000.00 - $182,400.00

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).

Our commitment to Equal Opportunity:

Fiserv is proud t

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Company

Fiserv

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