Senior Network Engineer - VXLAN

TRS Recovery Services; Marietta (GA); On-site; USD 110,000 - 160,000; Full time

Job summary

Fiserv, a global fintech leader, seeks a Senior Network Engineer - VXLAN to design and evolve large-scale data-center networks across multi-data-center environments in Marietta, GA. You will work on underlay/overlay with VXLAN, EVPN, BGP, MPLS, and DR capabilities, shaping critical infrastructure.

You will automate provisioning with Python and Ansible, mentor engineers, and collaborate with security, cloud, and application teams to drive network innovations. Travel ~10%.

Qualifications

• 6+ years designing and supporting complex enterprise or data center networks.
• 5+ years in multi-data-center or multi-tenant environments.
• Strong expertise with BGP and dynamic routing, including complex policies.
• Experience with underlay and overlay networks (MPLS, EVPN, VXLAN).
• Knowledge of SDN, cloud connectivity, and network automation.

Responsibilities

• Design and deliver highly available data center networking and security solutions.
• Evaluate emerging technologies with proofs of concept.
• Architect multi-data-center and multi-tenant networks.
• Develop underlay/overlay architectures using BGP, EVPN, VXLAN, MPLS, VRF.
• Automate network provisioning using Python, Ansible, Jinja, APIs.

Skills

BGP expertise

EVPN/VXLAN

MPLS

SDN

Network automation

Python/Ansible

TCP/IP fundamentals

Education

Bachelor's degree in computer science or related field

Tools

VXLAN

EVPN

MPLS

BGP routing policies

Ansible

Python scripting

GitLab

NetBox

Vendor APIs

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 Engineer - VXLAN

About the Role

Join a highly technical engineering team responsible for designing and evolving large-scale network infrastructure supporting critical technology environments. In this role, you'll work across data center networking, security, cloud connectivity, SDN, and network automation while helping drive new technologies from proof of concept through production adoption. You'll have the opportunity to solve complex networking challenges, influence architecture decisions, automate infrastructure delivery, and serve as a technical mentor to other engineers.

What you'll do:

• Design and deliver highly available data center, network security, cloud connectivity, SDN, and automation solutions.
• Evaluate emerging technologies and vendor solutions through technical assessments and proofs of concept.
• Design and support complex multi-data-center and multi-tenant network architectures.
• Engineer underlay and overlay architectures using technologies such as BGP, EVPN, VXLAN, MPLS, and VRF.
• Develop and manage advanced routing policies, including complex BGP route manipulation.
• Support Internet connectivity, public IP management, peering, and DDoS protection.
• Automate network provisioning and configuration using Python, Ansible, Jinja, APIs, YAML, JSON, and related tools.
• Partner with infrastructure, cloud, security, and application teams to drive adoption of new network capabilities.
• Troubleshoot complex network performance, routing, availability, and connectivity issues.
• Provide technical leadership and mentorship to other engineers.

Experience you'll need to have:

• 6+ years of experience designing, deploying, and supporting complex enterprise or data center networks.
• 5+ years of experience supporting multi-data-center and/or multi-tenant environments.
• Strong expertise with BGP and dynamic routing, including complex routing policies and route manipulation.
• Experience designing highly available underlay and overlay networks, including MPLS, EVPN, and VXLAN.
• Experience with SDN technologies such as SD-WAN, NFV, and cloud connectivity/peering.
• Strong knowledge of TCP/IP, DNS, DHCP, VLANs, VRFs, OSPF, BGP, IPsec, MLAG/vPC, STP, Anycast, SSL/TLS, and related technologies.
• Experience with network automation and infrastructure-as-code concepts using tools such as Python, Ansible, Jinja, GitLab, NetBox, and vendor APIs.
• Bachelor's degree in computer science or a related field, or an equivalent combination of education, military experience, and professional experience.

Experience that would be great to have :

• Large-scale Layer 2/Layer 3 data center network engineering.
• Cisco IOS-XE/NX-OS and Arista EOS.
• EVPN/VXLAN-based data center fabrics.
• Complex BGP routing and traffic-engineering policies.
• VMwarenetworking and infrastructure technologies.
• PCI DSS environments.
• Internet peering and DDoS protection.
• Network automation, configuration templating, and API-driven infrastructure.

How you'll work:

Fiserv emphasizes in-person collaboration to help you grow your career while shaping the future of fintech. This role requires use of a computer and audio equipment

Travel:

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

Sponsorship:

To be considered, you must be either a US Permanent Resident or a US Citizen

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This role is not eligible to be performed in Colorado, California, District of Columbia, Hawaii, Illinois, Massachusetts, Maryland, Minnesota, New Jersey, New York, Nevada, Rhode Island, Vermont, Virginia, Maine or Washington.

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

Please note that salary ranges provided for this role on external job boards are salary estimates made by outside parties and may not be accurate.

Our commitment to Equal Opportunity:

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