Top 146 Security administrator Jobs in Fort Meade, Md

PKI Systems Administrator - TS/SCI with Polygraph
General Dynamics Information Technology —Annapolis Junction, MD
- $111,155 - $150,385 a year
- 6 years
- Bachelor's degree
- Experience equivalent to degree accepted
- Paid time off
- 401(k) matching
Security Endpoint Engineer/Admin
AHU Technologies Inc —Washington, DC
- $65 an hour
- Full-time
- Computer Science
- Bachelor of Science
- 3 years
Quick Apply
Government Contracts & Security Administrator
Stanton Engineering —Columbia, MD
- $50,000 - $95,000 a year
- Full-time
- Hybrid work
- Microsoft Excel
- Microsoft Outlook
- Mid-level
- Health savings account
- Health insurance
Quick Apply
Office Administrator – National Security Program Area
Johns Hopkins Applied Physics Laboratory (APL) —Laurel, MD
- $26.60 - $46.40 an hour
- Full-time
- Office
- Experience equivalent to degree accepted
- Senior level
- Disability insurance
- Health insurance
5d
System Administrator Level 2 (Infrastructure Security)
WOOD Consulting Services —Fort Meade, MD
- $150,000 - $215,000 a year
- Full-time
- Mid-level
- 3 years
- Analysis skills
- Health insurance
- Dental insurance
System Administrator II Infrastructure Security
Black Eagle Defense —Fort Meade, MD
- $155,000 - $215,000 a year
- Full-time
- 3 years
- Analysis skills
- Bachelor's degree
Quick Apply
6h
Security System Administrator
Antenna Research Associates —Laurel, MD
- $110,000 - $130,000 a year
- Full-time
- Computer Science
- System design
- 3 years
Quick Apply
5d
System Administrator Level 3 (Infrastructure Security)
WOOD Consulting Services —Fort Meade, MD
- $150,000 - $215,000 a year
- Full-time
- 5 years
- System design
- Analysis skills
- Health insurance
- Dental insurance
SECURITY ASSISTANT
WEEMS DESIGN STUDIO, INC. —Bethesda, MD
- $95,000 - $101,100 a year
- Full-time
- Microsoft Excel
- Microsoft Outlook
- Customer service
Quick Apply
Systems Administrator 1 | TS/SCI w/ poly security clearance
Power3 Solutions —Annapolis Junction, MD
- $101,000 - $115,000 a year
- Mid-level
- 3 years
- Bachelor's degree
- Health savings account
- AD&D insurance
Risk Analyst (ADMINISTRATOR III)
State of Maryland - DoIT Enterprise Information Systems —Crownsville, MD
- $88,000 - $99,105 a year
- Online Application
- Office
- Master's degree
- Administrative experience
2d
System Administrator III Infrastructure Security
Black Eagle Defense —Fort Meade, MD
- $180,000 - $240,000 a year
- Full-time
- 5 years
- System design
- Analysis skills
Quick Apply
6h
Systems Administrator 2 | TS/SCI w/ poly security clearance
Power3 Solutions —Annapolis Junction, MD
- $130,000 - $140,000 a year
- 5 years
- Mid-level
- Analysis skills
- Health savings account
- AD&D insurance
System Administrator 2 | TS/SCI w/ poly Security Clearance
Tulzi Technologies, LLC —Annapolis Junction, MD
- $130,000 - $140,000 a year
- 5 years
- Mid-level
- Analysis skills
- Health savings account
- AD&D insurance
Quick Apply
System Administrator 1 | TS/SCI w/ poly Security Clearance
Tulzi Technologies, LLC —Annapolis Junction, MD
- $101,000 - $115,000 a year
- Mid-level
- 3 years
- Bachelor's degree
- Health savings account
- AD&D insurance
Quick Apply
Network Security System Administrator 0
Itezz, Inc. —Annapolis Junction, MD
- $75,000 - $200,000 a year
- Full-time
- 5 years
- Mid-level
- Bachelor's degree
- Health savings account
Quick Apply
Systems Administrator 3| TS/SCI w/ poly security clearance
Power3 Solutions —Annapolis Junction, MD
- $163,000 - $173,000 a year
- 5 years
- System design
- Analysis skills
- Health savings account
- AD&D insurance
Network Security System Administrator 1
Itezz, Inc. —Annapolis Junction, MD
- $75,000 - $200,000 a year
- Full-time
- 5 years
- Mid-level
- Bachelor's degree
- Health savings account
Quick Apply
Network Security System Administrator 2
Itezz, Inc. —Annapolis Junction, MD
- $100,000 - $250,000 a year
- Full-time
- 5 years
- Mid-level
- Analysis skills
- Health savings account
Quick Apply
System Administrator/SOC Analyst
DigiFlight —Columbia, MD
- Full-time
- Google Workspace
- 7 years
- Windows
Quick Apply

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PKI Systems Administrator - TS/SCI with Polygraph

General Dynamics Information Technology -
Annapolis Junction, MD

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Job Details

$111,155 - $150,385 a year

Benefits

Internal mobility program
Paid time off
401(k) matching

Qualifications

Non-technical user support
Customer communication
Technical documentation
Technical user customer support
PKI
Internal employee customer service
Distributed systems
MFA
TS/SCI with Polygraph

Full Job Description

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.
View information about benefits and our total rewards program.

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

Apply Now

Refine Your Search

security administrator jobs in fort meade, md

PKI Systems Administrator - TS/SCI with Polygraph

Security Endpoint Engineer/Admin

Government Contracts & Security Administrator

Office Administrator – National Security Program Area

System Administrator Level 2 (Infrastructure Security)

System Administrator II Infrastructure Security

Security System Administrator

System Administrator Level 3 (Infrastructure Security)

SECURITY ASSISTANT

Systems Administrator 1 | TS/SCI w/ poly security clearance

Risk Analyst (ADMINISTRATOR III)

System Administrator III Infrastructure Security

Systems Administrator 2 | TS/SCI w/ poly security clearance

System Administrator 2 | TS/SCI w/ poly Security Clearance

System Administrator 1 | TS/SCI w/ poly Security Clearance

Network Security System Administrator 0

Systems Administrator 3| TS/SCI w/ poly security clearance

Network Security System Administrator 1

Network Security System Administrator 2

System Administrator/SOC Analyst

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