Network Security Engineer (Active Polygraph Required)

Clearance Level
Top Secret SCI + Polygraph
Information Security
McLean, Virginia

REQ#: RQ47521

Travel Required: None
Requisition Type: Regular

We are GDIT. The people supporting and securing some of the most complex government, defense, and intelligence projects across the country. We ensure today is safe and tomorrow is smarter. Our work has meaning and impact on the world around us, but also on us, and that’s important.

GDIT is your place. You make it your own by embracing autonomy, seizing opportunity, and being trusted to deliver your best every day.
We think. We act. We deliver. There is no challenge that we can’t turn into opportunity. And our work depends on a Cyber Network Security Analyst joining our team to support Government activities in McLean, VA.

At GDIT, people are our differentiator. As a Cyber Network Security Analyst supporting the customer, you will be trusted to execute multi-faced programs that support dynamic mission sets. In this role, a typical day will include:

  • Conducting in-depth system architecture and end-to-end network infrastructure review
  • Analyzing IP network topologies for security/CI, technical and operational vulnerabilities, and technical CI risks - and documenting risks and mitigation strategies
  • Determining technical CI risks associated with using commercial software applications and Software-as-a-Service (SaaS) on the Sponsor's infrastructure
  • Supporting external customer projects by providing network engineering and cyber security/CI analytical expertise to ensure projects comply with Sponsor policies and regulations
  • Providing technical recommendations to architecture and design reviews
  • Attending working groups and customer/mission partner meetings


  • 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.
  • Minimum of 5 years related experience.
  • Technical Skills:
    - Knowledge of and experience with enterprise-scalable wireless mobility solutions, multi-factor authentication products, and wireless intrusion detection systems
    - Knowledge of and experience with cloud based technologies and administering cloud products and services
    - Demonstrated experience with networking (TCP/IP, HTTP, HTTPS, FTP, RPC, SNMP, DNS, etc.) and proficiency with network traffic analysis tools
    - Demonstrated hands-on experience with setting up, configuring, and troubleshooting network services, equipment, and devices (routers, switches, servers, firewalls, etc.)
    - Demonstrated experience working and interacting with engineering groups to define, document, analyze, perform, and interpret tests for products, systems, or components
    - Ability to apply critical thinking and use investigative mindset to comprehensively conduct technical CI review/evaluation/assessment of technology solutions
    - Ability to present findings and/or recommendations in written reports that are concise, well-structured, and require minimal editing
    - Ability to translate highly technical and complex issues into comprehensible terms to non-technical decision makers
  • Security Clearance Level: Top Secret/SCI with Polygraph
  • Preferred Qualifications:
    - Experience in network evaluation and analysis, penetrating testing and analysis, digital forensic evaluation and analysis to include mobile device forensic (examining/imaging) analysis using commercial solutions such as EnCase, FTK, XRY, Cellebrite, MacQuisition, and Wireshark applications
    - General understanding of Sponsor's current IT business processes and procedures
    - Experience supporting the Sponsor's IT enterprise and operational requirements


  • Alignment to a mission-critical role that directly impacts the customer’s ability to effectively execute its mission.
  • Direct engagement with contractor leadership that centers upon career development/mobility, enhanced performance evaluation, and corporate information sharing & networking opportunities.
  • Placement on a dynamic team of talented professionals that organically fosters an environment of innovation, collaboration, and trust.











We are GDIT. The people supporting some of the most complex government, defense, and intelligence projects across the country. We deliver. Bringing the expertise needed to understand and advance critical missions. We transform. Shifting the ways clients invest in, integrate, and innovate technology solutions. We ensure today is safe and tomorrow is smarter. We are there. On the ground, beside our clients, in the lab, and everywhere in between. Offering the technology transformations, strategy, and mission services needed to get the job done.

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.