Network Administrator Engineer (TS/SCI)Location: Onsite in Marietta, GADuration: long term contractPosition OverviewWe are seeking a TS/SCI-cleared Network Administrator to support secure enterprise and tactical networks in a classified environment. This role requires hands-on experience with Cisco networking, Palo Alto firewalls, Type 1 encryption devices, and DoD security compliance frameworks. The ideal candidate is a strong troubleshooter with experience operating within RMF-accredited systems and supporting secure communications technologies.
Key Responsibilities- Administer, maintain, and troubleshoot classified network infrastructure using Cisco routing and switching technologies
- Configure, manage, and troubleshoot Palo Alto firewalls in a secure environment
- Support point-to-point encrypted links using TACLANE or other Type 1 encryption devices
- Perform end-to-end network troubleshooting across Layer 2-7, including encrypted circuits
- Implement and maintain RMF controls to support system authorization and compliance
- Apply and manage DISA STIGs for network devices and security infrastructure
- Support secure communications systems, including VoIP, VTC, and H.323-based technologies
- Collaborate with operations, security, and engineering teams to maintain network availability and security
- Document configurations, procedures, and compliance artifacts as required for classified systems
Required Qualifications- Must have an active TS/SCI security clearance (required; no exceptions)
- 3-5 years of hands-on Network Administration experience, primarily with Cisco technologies for routing and switching
- Experience administering Palo Alto firewalls in production environments
- Strong overall network troubleshooting skills in enterprise or DoD environments
Preferred Qualifications- Experience with Juniper firewalls in addition to Palo Alto
- Hands-on experience supporting secure VoIP, VTC, and H.323-based systems, including Gatekeepers or Call Manager
- Prior experience supporting Army, Air Force, or DoD classified networks
- Familiarity with WAN, perimeter, and enclave-based network architectures
- Experience with point-to-point encryption, with TACLANE (preferred) or other Type 1 encryptors
Environment- Classified DoD / IC network environment
- Hands-on operational role (not purely design or architecture)
- Mission-focused, high-availability network operation
Job Type & LocationThis is a Contract position based out of Marietta, GA.
Pay and BenefitsThe pay range for this position is $45.00 - $65.00/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)
Workplace TypeThis is a fully onsite position in Marietta,GA.
Application DeadlineThis position is anticipated to close on Apr 6, 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.