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Sr. Network Engineer

TEKsystems c/o Allegis Group

Posted today

Job Requirements

Richardson, TX Cedar Rapids, IA
Top Secret Polygraph not specified
Senior Level Career (10+ yrs experience)
$150,000 - $170,000

Job Description

Project Summary:

Our Buyer, a Fortune Aerospace & Defense organization, is implementing a Secure Development Environment (SDE) Infrastructure Deployment to support classified and controlled engineering workloads associated with Department of Defense (DoD) programs. The SDE architecture provides isolated development environments with strong boundary protection, identity controls, and dataset segmentation to ensure protection of program data in accordance with U.S. Government security requirements. The environment supports development, research, testing, and engineering activities across multiple programs while enforcing strict need-to-know access controls and system isolation.



Project Objective:

The objective of this engagement is to deploy the infrastructure required to support the SDE across two Buyer facilities:

· Dallas, Texas

· Cedar Rapids, Iowa



Deployment includes installation, configuration, integration, validation, and documentation of infrastructure components necessary to support secure engineering workloads.

The SDE infrastructure will include:

· Compute platforms

· Virtualization infrastructure

· Storage platforms

· Network switching infrastructure

· Encryption devices

· Identity and authentication services

· Monitoring and logging services

· Backup and disaster recovery capabilities



The Dallas deployment will consist of four (4) racks of infrastructure supporting multiple classification domains. The Cedar Rapids deployment will replicate the SDE infrastructure to support continuity and disaster recovery operations.



Project Term:

This engagement will consist of an initial 6-month term with option for another 6-month extension. During the first 30 days of the engagement, the team will be onsite in Dallas, Texas to deploy the necessary infrastructure and then will travel to Cedar Rapids, Iowa for the next 30 days to deploy replicated environments. The following 4 months will consist of remote operational support of the environments onsite in Dallas, Texas while the team supports the buyer in acquiring DCSA Authorization-to-Operate (ATO). All travel and expenses, such as airfare, accommodations, rental car, and meal per diem, will be included – as well as engagement assets (laptop, badges, PPE, hardware equipment, etc.). Once ATO is confirmed, there is an option to extend for another 6 month period to maintain the SDE environments while working with the Buyer to perform Knowledge Transition and Operational Handover.





Sr Network Engineer -


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)

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 position requires an active DoD Clearance (Secret, Top Secret, Top Secret/SCI) or the ability to be obtain an (Interim Secret, Interim Top Secret)
· Because an active or interim DoD clearance is required, U.S. Citizenship is required
group id: 10105424
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About Us
We’re partners in transformation. We help customers 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 customers, 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.

TEKsystems c/o Allegis Group Jobs


Job Category
IT - Networking
Clearance Level
Top Secret