Network Engineer
Confirmed on the employer's own hiring board on Oct 31, 2026. First seen by Alion on Oct 14, 2026. Infinite Computer Solutions scores B on the Alion truth index.
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.
What does a successful Network Engineer, Sr. do at Fiserv?
A qualified candidate can expect a fast paced, challenging & rewarding role in delivering a variety of Network, Security, Cloud, Virtualization, SDN & Automation technologies. Individuals are commonly involved in early conceptual assessments through POC’s.
Candidates should expect to be an integral part of Fiserv’s' many transformative initiatives that will institute automated self-service solutions to efficiently deliver on internal & external customer demands.
What you need to have
- Excellent communication skills (written/verbal) to properly articulate complicated Network/Security designs to Management and Business partners
- Meticulous documentation & task/time management skills
- Practical knowledge of Industry standard Network/Security best practices & solutions
- Excellent diagnostic skills in troubleshooting complex Networking technologies throughout all layers of the OSI model
- Experience with Multi-Tenant & Multi-Data-Center deployments
- Expert in tuning and diagnosing dynamic routing protocols and associated attributes for complex route manipulation
- Experience in designing/deploying/maintaining highly available Underlay & Overlay Networking & Security constructs (MPLS, eVPN, VxLAN)
- Experience with Software Defined Networking solutions (SDWAN, NFV, Cloud Provider Peering)
- Experience with Coding & related Automation technologies
- Experience in provisioning/protecting/maintaining Internet peering points, Public IP Management and DDOS services
- Experience in Automating Network and/or Security deployments & functions in a Multi-Tenant/Multi-Data-Center environment
- Experience in Coding/Scripting languages (Python, Ansible, Powershell, Netmiko, Netconf, Napalm, Jinja, Yaml, JSON, API’s)
- Functional understanding of PCI/DSS controls, protections & best practices
- Experience in deploying/diagnosing the following protocols & 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
- Must be a US Citizen living in the US (Continental) to qualify for government related security clearances. (6C for BOE, C2 for IRS)
- Experience in deploying & maintaining large scale L2 & L3 DataCenter Networks
- Experience with Cisco (IOS & NXOS) and Arista (EOS) DataCenter equipment
- Layer1 & 2 Protocols (Spanning-Tree modes and modifications, Trunking, MLAG/VPC)
- DataCenter Fabric deployment types (FabricPath, VxLAN, EVPN)
- Interconnecting disperse DataCenter Fabric technologies (VxLAN, EVPN)
- Layer3 Routing Protocols and Network Routing techniques (BGP, OSPF)
- Deploying/Managing Complex BGP routing policies
- Experience with VMWare platforms and Networking (VMotion, HCX, FXRails, VxRails)
- Experience with Automation Toolsets, Scripting & Config Templating (GitLab, Python, Jinja, Netbox, Vendor API's)
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).
What You Should Know About Us
Fiserv is a global fintech leader with 40,000-plus (and growing) associates proudly serving clients in more than 100 countries. As a FORTUNE™ 500 company, one of Fast Company’s Most Innovative Companies, and a top scorer on Bloomberg’s Gender-Equality Index, we are committed to excellence and purposeful innovation.
Our Commitment To Diversity And Inclusion
Fiserv is an Equal Opportunity Employer, and we welcome and encourage diversity in our workforce that reflects our world. All qualified applicants will receive consideration for employment without regard to race, color, religion, sexual orientation, gender identity, national origin, disability, protected veteran status, or any other category protected by law.
We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation.
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 business email address. We will not hire through text message, social media, or email alone, and any interviews will be conducted in person or through a secure video call. We won’t ask you for sensitive information nor will we ask you to pay anything during the hiring process. We also won’t send you a check to cash on Fiserv’s behalf.
If you see suspicious activity or believe that you have been the victim of a job posting scam, you should report it to your local FBI field office or to the FBI’s Internet Crime Complaint Center.