PKI Systems Administrator - TS/SCI with Polygraph

General Dynamics Information Technology • Washington, DC

23h • Onsite

About The Position

As a PKI Systems Administrator supporting CIS, you will ensure the 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.

Requirements

• Bachelor’s degree in an IT-related field, or 10+ years of relevant IT experience in lieu of a degree
• Meet DoD 8140 Information Assurance Workforce certification requirements (e.g., Security+ CE, etc.)
• 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
• US citizenship required

Nice To Haves

• Familiarity with identity management tools, CRL validation, and certificate authorities is highly desirable

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

Benefits

• Comprehensive benefits and wellness packages
• 401K with company match
• Competitive pay and paid time off
• Full flex work weeks where possible
• Variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave
• Short and long-term disability benefits
• Life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance

What This Job Offers

• Job Type: Full-time
• Career Level: Senior