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PKI Systems Administrator - TS​/SCI Polygraph

Job in Annapolis Junction, Howard County, Maryland, 20701, USA
Listing for: General Dynamics
Full Time, Part Time, Seasonal/Temporary position
Listed on 2026-06-03
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Engineer, IT Support, Network Security
Salary/Wage Range or Industry Benchmark: 147292 - 199278 USD Yearly USD 147292.00 199278.00 YEAR
Job Description & How to Apply Below
Position: PKI Systems Administrator - TS/SCI with Polygraph
Location: Annapolis Junction

Responsibilities for this Position

Location:

USA MD Annapolis Junction - 2711 Technology Drive, Annapolis Junction, MD (MDC
246)

Full Part/Time:
Full time

Job Req: RQ219454

Type of

Requisition :

Pipeline

Clearance Level Must Currently Possess:

Top Secret SCI + Polygraph

Clearance Level Must Be Able to Obtain:

Top Secret SCI + Polygraph

Public Trust/Other

Required:

None

Job Family:

IT Infrastructure and Operations

Job Qualifications:

Skills:

Multi-Factor Authentication (MFA), PKI Certificate Management, Public Key Infrastructure, Token Standards

Certifications:

None

Experience:

10 + years of related experience

US Citizenship

Required:

Yes

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.

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:

* EDUCATION:

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

The likely salary range for this position is $147,292 - $199,278. 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.

Scheduled Weekly

Hours:

40

Travel Required:

None

Telecommuting Options:

Onsite

Work Location:

USA MD Annapolis Junction - 2711 Technology Drive, Annapolis Junction, MD (MDC
246)

Additional Work Locations:

USA CO Colorado Springs - 8610 Explorer Dr (COC
036), USA DC Washington, USA FL Mac Dill AFB - 7115 S…
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