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Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: IT Infrastructure and Operations Job Qu…
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McLean, Virginia, United States • On-site
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Lead the architecture, engineering, and operations of a classified workstation enclave while managing team activities, milestones, and security compliance. Ensure the environment meets NIST 800-53 standards and maintain the Continuous Monitoring program through effective ISSO/ISSM practices.
Requires 15+ years of related experience and an active Top Secret clearance. Candidates must possess expertise in RMF, cybersecurity frameworks, and technical team leadership within secure environments.
Clearance Level Must Be Able to Obtain:
Top Secret/SCISYSTEMS ENGINEER SME
Advance how our customers operate while you advance your career. Join GDIT as a Systems Engineer SME and build an impactful career in enterprise IT, collaborating with people who are driven and resourceful like you.
MEANINGFUL WORK AND PERSONAL IMPACT
As a Systems Engineer SME, the work you’ll do at GDIT will directly support the mission of our customer. You will play a key role in architecting, securing, and sustaining a classified workstation enclave that enables a compliant, secure, and highly available environment.
Lead the architecture, engineering, and operations & maintenance (O&M) of the classified workstation enclave, including software/hardware license management and day-to-day team operations
Collaborate with Customer and Government stakeholders, security teams, and engineering staff to plan, design, implement, and sustain secure workstation solutions
Drive continuous improvement in security posture, system performance, and team efficiency by managing activities, milestones, risks, and deliverables, and recommending enhancements to architectures and processes
Apply deep expertise in RMF, NIST 800-53, Continuous Monitoring (ConMon), ISSO/ISSM practices, and secure workstation engineering to ensure compliant implementation
Lead the day-to-day team operations of the classified workstation environment
Manage and report on team activities, milestones, risks, and deliverables
Provide technical and security expertise for enclave build, configuration, and O&M
Review current system and process architectures and recommend improvements
Prepare and deliver test plans, technical briefings, and product recommendations
Maintain the Continuous Monitoring (ConMon) program with RMF support, including all ISSM/ISSO artifacts
Coordinate with the Customer on shared and inherited security controls and required documentation
Ensure ongoing maintenance and accuracy of the System Security Plan (SSP) and all appendices
Oversee engineering procedures, artifacts, and playbooks for core security controls, including:
Change Management: Documented, followed, and auditable
Vulnerability Management: Full lifecycle documentation, including monthly POA&M updates
Security Monitoring & Incident Response: Alert triage, escalation, and reporting aligned with the IR Plan
Support Customer-led ConMon validation activities
Lead annual security attestation preparation and execution
WHAT YOU’LL NEED TO SUCCEED
Bring your technology expertise and drive for innovation to GDIT. The Systems Engineer SME must have:
Experience managing engineering activities for cyber-compliant DoW system environments (classified preferred).
Experience maintaining cybersecurity compliance and RMF/ConMon activities aligned with ISSO/ISSM-responsibilities.
Hands-on expertise in leading or overseeing technical or engineering teams in secure environments, specifically workstation environments.
Hands-on expertise in engineering DoW system environments, vulnerability management, change management, incident response, and continuous monitoring.
Strong knowledge of NIST 800-53, RMF, and shared/inherited security controls.
Ability to communicate effectively with senior Customer and Government stakeholders.
Experience developing or maintaining SSPs, ConMon packages, or audit/assessment documentation.
Experience supporting secure workstation enclaves
Familiarity with DoW or Federal cybersecurity frameworks.
● Education: Bachelor of Arts/Bachelor of Science
● Experience: 15+ years of related experience
● Certification: Must be DoD 8140 / 8570.01-M compliant (e.g., Security+ or equivalent
● Security clearance level: Active Top Secret clearance
● Role requirements: Location - Onsite with 5-15% travel.
GDIT IS YOUR PLACE
At GDIT, the mission is our purpose, and our people are at the center of everything we do.
● Growth: AI-powered career tool that identifies career steps and learning opportunities
● Support: An internal mobility team focused on helping you achieve your career goals
● Rewards: Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off
● Community: Award-winning culture of innovation and a military-friendly workplace
OWN YOUR OPPORTUNITY
Explore an enterprise IT career at GDIT and you’ll find endless opportunities to grow alongside colleagues who share your desire to drive operations forward.
Telecommuting Options:
OnsiteGDIT is a global technology and professional services company that delivers solutions, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50+ countries worldwide, offering leading capabilities in digital modernization, AI, cyber, and software development. GDIT is part of General Dynamics, a global aerospace and defense company. We have shared our customers’ sense of purpose for over half a century and have a unique understanding of their missions, complex environments, and a rapidly changing world. Together with our customers, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.
Offices: Falls Church, Virginia 22042, US
Based on 916 listings with disclosed salaries, most government & public sector jobs in McLean, VA pay between $78k–$217k per year. Individual offers vary with seniority, company size, and specialization.
There are currently 1,165 open government & public sector positions in McLean, VA listed on Clera. New openings are added daily as companies post roles.
Companies currently hiring include Booz Allen Hamilton, SDC, Peraton, MITRE, IntrepidGS, among others. Browse the listings above to see every active employer.
Yes — 380 of the 1165 open government & public sector positions offer remote or hybrid work (42 remote, 338 hybrid).
Each listing links directly to the employer's application page. Apply early — fresh listings get the most recruiter attention in the first two weeks.
