{"id":3303985,"url":"https://alion.io/job/fiserv-senior-network-engineer-2","title":"Senior Network Engineer","company":{"id":2459,"name":"Fiserv","domain":"fiserv.com","url":"https://alion.io/company/fiserv","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"A","score":90,"open_postings":64,"ghost_share":0.031,"stale_share":0.234,"repost_share":0.125,"time_to_fill_p50_days":23,"computed_at":"2026-10-28T05:59:10Z"}},"role":"Networking","role_family":"Networking","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Columbus, United States","Omaha, United States","Alpharetta, United States","Marietta, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":78000,"max_usd":157000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":492},"experience_years_min":6,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Ansible","optional":false},{"name":"BGP","optional":false},{"name":"DHCP","optional":false},{"name":"DNS","optional":false},{"name":"MPLS","optional":false},{"name":"OSPF","optional":false},{"name":"PowerShell","optional":false},{"name":"Python","optional":false},{"name":"GitLab","optional":true},{"name":"VMWare","optional":true}],"status":"live","first_seen_at":"2026-10-26T00:00:00Z","employer_posted_date":"2026-10-26","last_verified_at":"2026-10-29T00:12:32Z","board_verified":true,"closed_at":null,"days_open":3,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":3},"description":"Calling all innovators - find your future at Fiserv.\nWe’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.\nJob Title\nSenior Network EngineerAbout Your Role:\nA qualified candidate can expect a fast-paced, challenging & rewarding role in delivering a variety of Network, Security, Cloud, Virtualization, SDN & Automation technologies. 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.\nWhat you’ll do:\nDeliver a variety of network, security, cloud, virtualization, SDN, and automation technologies \nDrive early concept assessments through POCs to ensure validity of proposed industry and vendor solutions \nPartner with other teams across the organization to ensure internal adoption of such solutions and remain engaged throughout their lifecycles \nServe as a mentor to other engineers \nExperience you’ll need to have:\n6+ years of experience with complicated Network/Security designs to Management and Business partners\n5+ years of experience with Multi-Tenant & Multi-Data-Center deployments\n5+ years of experience in tuning and diagnosing dynamic routing protocols and associated attributes for complex route manipulation\n4+ years of experience with Software Defined Networking Solutions (SDWAN, NFV, Cloud Provider Peering)\nExperience in designing/deploying/maintaining highly available Underlay & Overlay Networking & Security constructs (MPLS, eVPN, VxLAN)\nExperience in provisioning/protecting/maintaining Internet peering points, Public IP Management and DDOS services\nExperience in Coding/Scripting languages (Python, Ansible, Powershell, Netmiko, Netconf, Napalm, Jinja, Yaml, JSON, API’s)\nExperience 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 \nBachelor’s degree in computer science, or a relevant field, or an equivalent combination of education, work, and/or military experience \nExperience that would be great to have:\nExperience in deploying & maintaining large scale L2 & L3 Data Center Networks\nExperience with Cisco (IOS/XE & NXOS) and Arista (EOS) Data Center equipment\nFunctional understanding of PCI/DSS controls, protections & best practices\nLayer1 & 2 Protocols (Spanning-Tree modes and modifications, Trunking, MLAG/VPC)\nData Center Fabric deployment types (FabricPath, VxLAN, EVPN)\nInterconnecting disperses Data Center Fabric technologies (VxLAN, EVPN) \nLayer3 Routing Protocols and Network Routing techniques (BGP, OSPF, EIGRP)\nDeploying/Managing Complex BGP routing policies\nExperience with VMWare platforms and Networking (VMotion, HCX, FXRails, VxRails)\nExperience with Automation Toolsets, Scripting & Config Templating (GitLab, Python, Jinja, Netbox, Vendor API's)\nHow you’ll work:\nFiserv emphasizes in-person collaboration to help you grow your career while shaping the future of fintech.\nThis role requires use of a computer and audio equipment\nTravel:\nApproximately 10% travel off-site or to other office locations is expected\nSponsorship:\nIn order to be considered, you must be either a US Permanent Resident or a US Citizen\nThis 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.\nIt is unlawful to discriminate against a prospective employee due to the individual's status as a veteran.\nPlease note that salary ranges provided for this role on external job boards are salary estimates made by outside parties and may not be accurate.\nThank you for considering employment with Fiserv. Please:\nApply using your legal name\nComplete the step-by-step profile and attach your resume (either is acceptable, both are preferable).\nOur commitment to Equal Opportunity:\nFiserv 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.\nIf you have a disability and require a reasonable accommodation in completing a job application or otherwise participating in the overall hiring process, please contact . Please note our AskHR representatives do not have visibility to your application status. Current associates who require a workplace accommodation should refer to Fiserv’s Disability Accommodation Policy for additional information.\nNote to agencies:\nFiserv does not accept resume submissions from agencies outside of existing agreements. Pleasedo not send resumes to Fiserv associates. Fiserv is not responsible for any fees associated with unsolicited resume submissions.\nWarning about fake job posts:\nPlease 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. 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