PKI Systems Administrator - TS/SCI with Polygraph

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., As a PKI Systems Administrator supporting CIS, you will ensure integrity, availability, and secure operation of enterprise public key infrastructure services. You will manage certificates, tokens, authentication services, and identity related security functions that underpin access to critical systems across multiple networks and security domains. Your work strengthens identity assurance, protects sensitive environments, and supports secure mission essential operations across a large, distributed enterprise., * Issue, manage, and maintain certificates, tokens, and authentication credentials for users and systems, ensuring adherence to PKI standards and security requirements

• Support full lifecycle PKI operations, including issuance, synchronization, renewal, revocation, and troubleshooting of certificates across multiple networks and enclaves
• Provide knowledge-based support for customers, Trusted Agents (TAs), and system administrators, advising on authentication, token management, and certificate usage
• Maintain PKI infrastructure health by monitoring certificate stores, expiration timelines, CRL validation, and associated authentication systems
• Ensure compliance with enterprise multifactor authentication requirements and enforce credentialing policies for both user and nonperson entity (NPE) identities
• Support identity related incident response by diagnosing authentication failures, resolving certificate conflicts, and restoring secure access
• Maintain required documentation, service procedures, and operational artifacts to support secure and consistent PKI operations

PKI Systems Administrator Senior - Requires a Bachelor’s degree in an IT-related field or 8+ years of relevant IT experience in lieu of a degree. PKI Systems Administrator Principal - Requires a Bachelor’s degree in an IT-related field or 10+ years of relevant IT experience in lieu of a degree.

• CERTIFICATION: Meet DoD 8140 Information Assurance Workforce certification requirements (e.g., Security+ CE, etc.)
• CLEARANCE: Active TS/SCI clearance with a favorable polygraph
• Experience with PKI administration, certificate services, token issuance, or authentication workflows in enterprise or secure environments
• Working knowledge of multifactor authentication, identity credential management, and certificate lifecycle processes
• Ability to troubleshoot certificate issues across distributed systems, networks, and platforms
• Strong customer service, communication, and documentation skills, with the ability to support technical and nontechnical users
• Familiarity with identity management tools, CRL validation, and certificate authorities is highly desirable
• US citizenship required
• LOCATION: Onsite, 6 + years of related experience
• may vary based on technical training, certification(s), or degree

(part of General Dynamics) 3.73.7 out of 5 stars Washington, DC $111,155 - $150,385 a year, Pulled from the full job description

• 401(k) matching
• Paid time off
• Internal mobility program, 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, The likely salary range for this position is $111,155 - $150,385. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.

Own your opportunity to support national defense. Your work will help keep critical operations secure and connected across the global enterprise directly, contributing to a mission that protects our nation every day.

CIO Infrastructure Services (CIS) is growing, and we invite both our experienced incumbents and new team members to be part of what’s next. Incumbents bring invaluable mission insight, while new talent adds fresh ideas and energy. Together, we’ll strengthen continuity and drive the next generation of innovation., We are GDIT. A global technology and professional services company that delivers technology solutions 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 mission-ready capabilities in AI, cloud, cyber and software development.

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