Sr. Network Engineer

Description What You'll Do -Lead the design and deployment of all networking components associated with rack and stack infrastructure builds, including core, distribution, and access layer switching -Architect and implement routing solutions across complex, multi-site environments using OSPF, BGP, and EIGRP -Configure and manage Cisco switching infrastructure including VLANs, spanning tree, port channels, and QoS policies -Integrate network infrastructure with VMware NSX and virtualized environments in coordination with the infrastructure engineering team -Design and enforce network segmentation strategies to meet DISA STIG and RMF compliance requirements -Serve as the primary network subject matter expert, providing technical leadership and guidance to junior engineers and technicians -Support ATO processes by producing and maintaining network architecture documentation, data flow diagrams, and configuration baselines -Troubleshoot and resolve complex network issues across switching, routing, and security layers -Evaluate and recommend network technologies and solutions aligned with program requirements and government standards -Maintain accurate and current network documentation including topology diagrams, IP address management, and change records What You Bring -8–10+ years of hands-on experience in enterprise network engineering with demonstrated depth across routing, switching, and network security -Active Cisco Certified Network Professional (CCNP) certification required; CCIE a strong plus -Extensive experience with Cisco enterprise networking platforms including Catalyst, Nexus, and ASR product families -Strong working knowledge of routing protocols including OSPF, BGP, and EIGRP in complex multi-site environments -Experience designing and deploying network infrastructure as part of rack and stack build programs -Familiarity with network virtualization concepts and integration with VMware NSX environments -Working knowledge of DISA STIGs, NIST 800-53, and RMF as applied to network infrastructure -Active Top Secret security clearance required; TS/SCI eligibility strongly preferred Preferred Qualifications -Prior experience supporting classified programs in a DoD, IC, or cleared defense contractor environment -Experience with network automation and scripting tools such as Ansible, Python, or Cisco DNA Center -Familiarity with SD-WAN, network access control (NAC), or zero trust network architecture concepts -Bachelor's degree in Computer Science, Information Technology, Network Engineering, or a related field; equivalent experience considered -DoD 8570/8140 IAT Level II or III certification (Security+, CASP+, CISSP, or equivalent) Skills ccnp, Network engineering, Router, Ccna, Cisco routers, Cisco switches, Data center, Switches Top Skills Details ccnp,Network engineering Additional Skills & Qualifications Preferred Qualifications -Prior experience supporting classified programs in a DoD, IC, or cleared defense contractor environment -Experience with network automation and scripting tools such as Ansible, Python, or Cisco DNA Center -Familiarity with SD-WAN, network access control (NAC), or zero trust network architecture concepts -Bachelor's degree in Computer Science, Information Technology, Network Engineering, or a related field; equivalent experience considered -DoD 8570/8140 IAT Level II or III certification (Security+, CASP+, CISSP, or equivalent) Experience Level Expert Level Job Type & Location This is a Contract position based out of Richardson, TX. Pay and Benefits The pay range for this position is $70.00 - $75.00/hr. Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related factors. 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) Workplace Type This is a fully remote position. Application Deadline This position is anticipated to close on Sep 3, 2026. About TEKsystems 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. San Francisco Fair Chance Ordinance: Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records. Massachusetts Lie Detector: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability. Use of Artificial Intelligence (AI): We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.