Network Engineer

Network Engineer (F5 Focused)

Work Model & Location

• Contract Phase: 100% Remote
• Conversion to Full‑Time: Hybrid schedule
• Must be located in (or willing to relocate to) one of the following upon conversion:
  • Rochester, NY
  • Cincinnati, OH
  • St. Pete, FL
  • Sarasota, FL
  • Tempe, AZ
  • Phoenix, AZ
  • Dallas, TX
  • Lehigh Valley, PA

Role Overview

Seeking a Network Engineer to join the enterprise infrastructure team. This role is a backfill for BAU (Business As Usual) network operations, as an engineer is being dedicated full‑time to a large, multi‑year strategic initiative spanning the next five years. The ideal candidate is a Level 3 Network Engineer with deep enterprise experience supporting Cisco and Arista environments, and strong hands‑on expertise with F5 BIG‑IP platforms. This role is heavily F5‑focused, with approximately 80% of time spent supporting F5 and 20% supporting core network BAU activities across WAN, LAN, and data center environments.

Key Responsibilities

• Serve as a Level 3 escalation engineer for enterprise network infrastructure
• Design, implement, and support Layer 2 and Layer 3 network solutions in large‑scale enterprise environments
• Configure, maintain, and troubleshoot Cisco (IOS/NX‑OS) and Arista (EOS) routing and switching platforms, including:
  • BGP, OSPF, EVPN/VXLAN
  • Spanning Tree, MLAG, port‑channeling
  • QoS, ACLs
• Own and support the F5 BIG‑IP environment, including:
  • LTM (Local Traffic Manager)
  • GTM/DNS (preferred)
  • ASM (preferred)
  • Virtual servers, pools, iRules, SSL offload, and traffic management
• Support and troubleshoot MPLS, WAN, LAN, VPN, and Wi‑Fi environments
• Monitor network performance and availability; perform root‑cause analysis for incidents and outages
• Implement and maintain network security best practices, including segmentation, firewall policies, and access control
• Participate in on‑call rotations and provide after‑hours support for critical incidents
• Collaborate with security, systems, cloud, and application teams to support ongoing business needs
• Maintain accurate network documentation, diagrams, and configuration standards
• Contribute to automation and scripting initiatives (Python, Ansible, or similar) to improve operational efficiency

Required Qualifications

• 7+ years of experience building and supporting enterprise‑scale network environments
• Strong hands‑on experience with Cisco and Arista routing and switching platforms
• Proven experience with BGP, OSPF, and large L2/L3 switching environments
• Extensive hands‑on experience supporting F5 BIG‑IP in production enterprise environments
• Demonstrated troubleshooting experience across MPLS, WAN, LAN, and wireless networks
• Strong understanding of TCP/IP, DNS, DHCP, VLANs, and network security fundamentals
• Experience with network monitoring and troubleshooting tools (Wireshark, SolarWinds, Splunk, etc.)
• Ability to work independently and manage priorities in a fast‑paced, enterprise environment
• Excellent written and verbal communication skills, with the ability to communicate effectively with both technical teams and business stakeholders

Preferred / Nice‑to‑Have

• Experience with QoS, VPN, GRE, IPsec
• Exposure to Juniper networking platforms
• Experience with SAN/NAS storage environments
• Familiarity with VMware and Microsoft technologies (Windows Server, Active Directory, DNS, DHCP, Exchange)
• Experience with network automation or infrastructure‑as‑code

Experience Level

Expert Level

This is a Contract position based out of Allentown, PA.

The pay range for this position is $60.00 - $80.00/hr.

Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following: • Medical, dental & vision • Critical Illness, Accident, and Hospital • 401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available • Life Insurance (Voluntary Life & AD&D for the employee and dependents) • Short and long-term disability • Health Spending Account (HSA) • Transportation benefits • Employee Assistance Program • Time Off/Leave (PTO, Vacation or Sick Leave)

This is a fully remote position.

This position is anticipated to close on Mar 27, 2026.

We're partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia. As an industry leader in Full-Stack Technology Services, Talent Services, and real-world application, we work with progressive leaders to drive change. That's the power of true partnership. TEKsystems is an Allegis Group company.

The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

About TEKsystems and TEKsystems Global Services

We’re a leading provider of business and technology services. We accelerate business transformation for our customers. Our expertise in strategy, design, execution and operations unlocks business value through a range of solutions. We’re a team of 80,000 strong, working with over 6,000 customers, including 80% of the Fortune 500 across North America, Europe and Asia, who partner with us for our scale, full-stack capabilities and speed. We’re strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. We’re building tomorrow by delivering business outcomes and making positive impacts in our global communities. TEKsystems and TEKsystems Global Services are Allegis Group companies. Learn more at TEKsystems.com.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.