Network Engineer with Security Clearance

Network Engineer (TS/SCI w/ Full Scope Poly)
Location: Denver, CO
Work Environment: On‑site Classified Environment
Clearance: Active TS/SCI with adjudicated Full Scope Polygraph – Required Travel: Up to 20% Overview TEKsystems is seeking an experienced Network Engineer to support a large government integrator on classified programs. This role focuses on LAN/WAN design, installation, configuration, and maintenance, ensuring high availability and security of enterprise networks supporting mission‑critical operations. Required Qualifications Active TS/SCI clearance with Full Scope Polygraph
CompTIA Security+ or equivalent DoD 8570 certification
5+ years of Network Engineering experience, including: Switching, routing, firewalls
Cabling and hardware installation/configuration
Cisco and/or Juniper equipment Willingness to travel ~20% Responsibilities Design, install, configure, monitor, and maintain LAN/WAN infrastructure
Support network hardware and software to ensure reliability and availability
Work with network support and systems teams to implement network security measures
Support project teams by integrating systems into the network and troubleshooting issues
Develop and implement methodologies for network analysis, installation, and support
Maintain technical documentation and communicate effectively with stakeholders Preferred Qualifications 7+ years of Network Engineering experience
Experience with OSPF, BGP, and EIGRP
Experience operating within classified enterprise networks
Strong troubleshooting, analytical, and problem‑solving skills
Ability to write and maintain technical documentation
Comfortable mentoring and collaborating within team environments
Ability to lift equipment up to 40 lbs (infrequent) Pay and Benefits Eligibility for benefits depends on job classification and length of employment. If eligible, benefits may include: Medical, dental, and vision
401(k) with pre‑tax and Roth options
Voluntary Life & AD&D
Short‑ and long‑term disability
HSA
Transportation benefits
Employee Assistance Program
Paid Time Off (PTO, vacation, or sick leave)