Systems Engineer, TS/SCI w/Polygraph required

Clearance Level
Top Secret SCI + Polygraph
Systems Engineering
McLean, Virginia
Onsite Workplace
Key Skills For Success




Linux Networking

Linux System Administration

REQ#: RQ161966
Requisition Type: Regular
Your Impact

Own your opportunity to serve as a critical component of our nation’s safety and security. Make an impact by using your expertise to protect our country from threats.

Job Description

At GDIT, people are our differentiator. As a Systems Engineer, you will help ensure today is safe and tomorrow is smarter. Our work depends on a Systems Engineer joining our team to make a positive impact on the client’s mission.


  • Education: Bachelor’s degree in Computer Science, Engineering, or a related technical discipline, or the equivalent combination of education, technical certifications or training, or work experience.
  • Experience: 10+ years
  • Security Clearance Level: Top Secret/SCI with Polygraph
  • Location: McLean (On-Site)

REQUIRED SKILLS: The Contractor shall have the following required skills, certifications and demonstrated experience:

  • Demonstrated experience deploying and administering Linux systems.
  • Demonstrated experience with Linux networking, to include iptables, firewalld, and Linux-as-a-Router.
  • Demonstrated hands-on experience with networking hardware, to include Cisco and Juniper.
  • Demonstrated experience with networking fundamentals, operations, and maintenance.
  • Demonstrated experience with Linux system administration, to include scripting and automation technologies.
  • Demonstrated experience with network monitoring, including the use of Packet-Capture and log review.
  • Demonstrated experience developing, testing, analyzing, and using bespoke technical solutions.
  • Demonstrated experience with virtualization technologies, including oVirt and Open vSwitch.
  • Demonstrated experience with a multitude of shielded and unshielded cryptocurrencies.
  • Demonstrated experience with ICD 503 process and obtaining Approval-To-Operate.
  • Demonstrated experience building, operating and maintaining, “Zero Trust” Architectures and Networks.
  • Demonstrated experience with Bespoke Operational Procurement.
  • Demonstrated experience with User enrollment and training.


  • Demonstrated experience with denied area technical operations.
  • Demonstrated experience with configuration and operation of different VOIP technologies.
  • Demonstrated experience with networking, especially concerning Linux systems and VPN technologies.
  • Demonstrated experience applying knowledge from emerging technologies research for immediate gain.


  • 401K with company match
  • Comprehensive health and wellness packages
  • Internal mobility team dedicated to helping you own your career
  • Professional growth opportunities including paid education and certifications
  • Cutting-edge technology you can learn from
  • Rest and recharge with paid vacation and holidays






Work Requirements
Years of Experience

10 + years of related experience

* may vary based on technical training, certification(s), or degree


Travel Required

Less than 10%


U.S. Citizenship Required

About Our Work

We are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 30 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.

GDIT is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status, or any other protected class.