Clearance Level
Top Secret SCI + Polygraph
Category
Cyber and IT Risk Management
Locations
Annapolis Junction, Maryland
Colorado Springs, Colorado
Washington, District of Columbia
Springfield, Virginia
(Onsite Workplace)
Key Skills For Success
Multi-Factor Authentication (MFA)
PKI Certificate Management
Public Key Infrastructure
Token Standards
REQ#: RQ219454
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
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.
#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
Salary and Benefit Information
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.
Our Identity Verification Process
As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during virtual interviews. We reserve the right to take your picture to verify your identity and prevent fraud. By proceeding, you authorize the collection, processing, and use of your biometric data for identity verification and security purposes.
About Our Work
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.
Join our Talent Community to stay up to date on our career opportunities and events at gdit.com/tc .
Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans
