System Architect (Active Polygraph Required)

Clearance Level
Top Secret SCI + Polygraph
Systems Engineering
Sterling, Virginia

REQ#: RQ94239

Travel Required: Less than 10%
Requisition Type: Regular

Systems Architect

Location: Sterling, VA


Designs, plans, and implements network infrastructure solutions in a DevSecOps environment and is the overarching program technical lead with four direct reports. Operates within compliance of Commercial Solutions for Classified (CSfC) program to include the four capability packages (MSC, MA, WLAN, DAR). Works with government engineers to maintain, modify, and redesign complex architectures in an unclassified and classified environment.


  • Apply engineering and architectural expertise, to include performing in-depth and complex systems/network engineering involving all aspects of the network including concepts, core, edge distribution etc.
  • Interact with and report architecture problems to lead engineers, including determining future bandwidth needs, conducting redundancy planning, and adopting infrastructure configurations according to industry best practices and standards to meet the client’s business needs.
  • Documents the design with multiple views for various usage levels (technical architectural level, business level, operational level, maintenance level, etc.)
  • Interprets customer requirements and develops internal requirements and design solutions for optimal enterprise communication services.
  • Identifies solutions based on alternative analysis, providing detailed assessments against requirements (technical, cost, business, security, schedule), establishing baseline for the enterprise network.
  • Performs customer requirement interpretation, develops internal network requirements to support the design and delivery of enterprise communication services.
  • Assess customer objectives, goals, intents, requirements, standards, etc. and translate into enterprise objectives and requirements.
  • Establishes enterprise network architecture baselines and works with network system engineering to allocate requirements to all elements of the enterprise network.
  • Ensure designs comply with all applicable CSfC, Intelligence Community and GDIT CISO interoperability/compatibility standards, current/future system plans, and security requirements.



  • Hands-on experience with the following hardware: Cisco, Windows Server, VMware
  • Knowledge of TCP/IP and associated routing protocols such as OSPF, ISIS, etc., in addition to VoIP and video teleconferencing (VTC).
  • Hands-on experience with Nessus, Splunk, and CIS benchmark scanning tools.
  • Proficiency with MS Visio and PowerPoint to update and maintain network design documentation and develop design plans to be populated among various engineering teams and stakeholders.
  • Knowledge of VPN solutions to include Site-to-Site, Multi-site, and client-based VPN. Knowledge also includes PKI certificate-based VPN solutions.
  • Knowledge with Certificates Authorities (CA) to include Microsoft Server Certificate Services deployments.
  • Excellent ability for clear and concise oral and written communication; capability to interface at multiple levels and successfully present technical information.
  • Background in supporting certification and accreditation processes in XACTA.
  • Capacity to track, guide, and mentor multiple teams simultaneously.



  • Bachelors Degree in Computer Science, Engineering, or a related technical discipline.
  • Advanced degree preferred.


Highly Desired Certifications:

  • Commercial Cloud Services (C2S), Amazon Web Services (AWS), Architecture and Engineering expertise
  • Integration of enterprise network with Cloud Services (AWS, Azure, etc.)
  • MCSE, Microsoft Certified Systems Engineer, VCP, VMware Certified Professional
  • 8570 IAT II compliance required (CompTIA Security +), 8570 IAT III compliance preferred Certified Systems Security Professional (CISSP)







COVID-19 Vaccination Requirement: To protect the health and safety of its employees and to comply with customer requirements, GDIT may require employees in certain positions to be fully vaccinated against COVID-19. Vaccination requirements will depend on the status of the federal contractor mandate and customer site requirements.

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.