PKI Systems Administrator - TS/SCI with Polygraph
Gdit
Public Trust: None
Requisition Type: Pipeline
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
PKI SYSTEMS ADMINISTRATOR
YOUR IMPACT
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.
MEANINGFUL WORK AND PERSONAL IMPACT
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.
KEY RESPONSIBILITIES:
- 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
WHAT YOU’LL NEED TO SUCCEED :
- EXPERIENCE REQUIREMENTS:
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
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
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.
#CIS
Work Requirements
Years of Experience
6 + years of related experience
* may vary based on technical training, certification(s), or degree
Certification
Travel Required
None
Citizenship
U.S. Citizenship Required
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