Senior Network Engineer

Fiserv

. Deliver network, security, cloud, virtualization, SDN, and automation technologies .

Posted 10/26/2026full-timeUnited StatesSeniorWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates extensive experience in Network and Security Design, Multi-Tenant Deployments, and Software Defined Networking Solutions. Proficient in coding and automation tools, with a strong focus on delivering high-availability networking and security constructs.

Highest-signal resume keywords

Network And Security DesignMulti-Tenant DeploymentsSoftware Defined Networking SolutionsCoding And Scripting LanguagesHigh-Availability Networking

ATS Keywords

Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills

Network DesignSecurity DesignDynamic Routing ProtocolsSDWANMPLSEVPNVxLANPythonAnsibleCisco IOS/XE

Soft Skills

MentoringCollaborationProblem-Solving

Tools & Technologies

Automation ToolsetsVMware PlatformsNetmikoNetconfNapalm

Industry Keywords

PCI/DSS ControlsData Center NetworksPublic IP ManagementDDOS ServicesInternet Peering Points

Tech Stack

Tools & technologies

AnsibleCloudDNSiOSPythonVMware

About the role

Key responsibilities & impact

Deliver network, security, cloud, virtualization, SDN, and automation technologies
Drive early concept assessments through proofs of concept to validate proposed industry and vendor solutions
Partner with teams across the organization to ensure internal adoption and remain engaged throughout solution lifecycles
Mentor other engineers
Participate in transformative initiatives delivering automated self-service solutions for internal and external customer demands
Work in a fast-paced, challenging, and rewarding environment
Collaborate in person
Travel approximately 10% off-site or to other office locations

Requirements

What you’ll need

6+ years of experience with complicated Network/Security designs to Management and Business partners
5+ years of experience with Multi-Tenant & Multi-Data-Center deployments
5+ years of experience tuning and diagnosing dynamic routing protocols and associated attributes for complex route manipulation
4+ years of experience with Software Defined Networking Solutions (SDWAN, NFV, Cloud Provider Peering)
Experience designing, deploying, and maintaining highly available Underlay & Overlay Networking & Security constructs (MPLS, eVPN, VxLAN)
Experience provisioning, protecting, and maintaining Internet peering points, Public IP Management, and DDOS services
Experience with coding/scripting languages and tools including Python, Ansible, Powershell, Netmiko, Netconf, Napalm, Jinja, Yaml, JSON, and APIs
Experience deploying and diagnosing IP, TCP, UDP, DNS, DHCP, HTTP/S, VLANs, MPLS, IPSEC, DMVPN, BGP, OSPF, EIGRP, VRF, VxLAN, RPKI, eVPN, VRRP, MLAG, VPC, STP, Anycast, SSL, and TLS
Bachelor’s degree in computer science or a relevant field, or equivalent combination of education, work, and/or military experience
Experience deploying and maintaining large-scale L2 and L3 Data Center Networks
Experience with Cisco IOS/XE and NXOS and Arista EOS Data Center equipment
Functional understanding of PCI/DSS controls, protections, and best practices
Knowledge of Layer 1 and 2 protocols, data center fabrics, Layer 3 routing protocols, complex BGP routing policies, VMware platforms, and automation toolsets
Must be a US Permanent Resident or US Citizen

Benefits

Comp & perks

Approximately 10% travel off-site or to other office locations
In-person collaboration to support career growth
Equal opportunity employment
Reasonable accommodation during the application and hiring process