Top 1098 General Dynamics Jobs in Washington, DC

Email Services Systems Administrator - TS/SCI with Polygraph
General Dynamics Information Technology —Annapolis Junction, MD
- $96,569 - $130,651 a year
- 6 years
- Bachelor's degree
- Continuous improvement
- Paid time off
- 401(k) matching
Configuration Manager - TS/SCI with Polygraph
General Dynamics Information Technology —Annapolis Junction, MD
- $111,155 - $150,385 a year
- Mid-level
- 3 years
- Bachelor's degree
- Paid time off
- 401(k) matching
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
Next Generation Desktop (NGDE) Systems Administrator - TS/SCI with Poly
General Dynamics Information Technology —Annapolis Junction, MD
- $96,569 - $130,651 a year
- Full-time
- 8 years
- Bachelor's degree
- Continuous improvement
- Paid time off
- 401(k) matching
Integrated Master Scheduler - TS/SCI with Polygraph
General Dynamics Information Technology —Annapolis Junction, MD
- $96,569 - $130,651 a year
- Mid-level
- Office
- 3 years
- Paid time off
- 401(k) matching
Data Center Administrator - TS/SCI with Polygraph
General Dynamics Information Technology —Annapolis Junction, MD
- $96,569 - $130,651 a year
- 8 years
- Bachelor's degree
- Travel
- Paid time off
- 401(k) matching
Storage Systems Administrator - TS/SCI w/Poly
General Dynamics Information Technology —Annapolis Junction, MD
- $96,569 - $130,651 a year
- Bachelor's degree
- Continuous improvement
- Experience equivalent to degree accepted
- Paid time off
- 401(k) matching
Infrastructure Service Lead - TS/SCI with Polygraph
General Dynamics Information Technology —Annapolis Junction, MD
- $128,039 - $173,229 a year
- 8 years
- Analysis skills
- Bachelor's degree
- Paid time off
- 401(k) matching
Software Engineer Sr Advisor
General Dynamics Information Technology —Annapolis Junction, MD
- $195,500 - $264,500 a year
- Computer Science
- Software troubleshooting
- Math
- 401(k) matching
Circuit Activation Engineer - TS/SCI clearance
General Dynamics Information Technology —Arlington, VA
- $93,662 - $116,150 a year
- Full-time
- Computer Science
- System design
- Office
- Paid time off
- 401(k) matching
9d
Solutions Architect
General Dynamics Information Technology —Falls Church, VA
- $128,039 - $173,229 a year
- Computer science
- Computer Science
- Salesforce
- Paid holidays
- 401(k) matching
Active Directory Systems Administrator - TS/SCI w/Poly
General Dynamics Information Technology —Annapolis Junction, MD
- $96,569 - $130,651 a year
- Bachelor's degree
- Experience equivalent to degree accepted
- Senior level
- Paid time off
- 401(k) matching
Technical Lead - TS/SCI w/Poly
General Dynamics Information Technology —Chantilly, VA
- $187,000 - $253,000 a year
- Travel
- Mentoring
- Organizational skills
- Paid holidays
- 401(k) matching
10d
Installation Technician - TS/SCI with Polygraph
General Dynamics Information Technology —Annapolis Junction, MD
- $35.04 - $47.40 an hour
- Customer service
- 5 years
- Bachelor's degree
- Paid time off
- 401(k) matching
F-35 Air Systems Cybersecurity Engineer | Active TS/SCI clearance
General Dynamics Information Technology —Arlington, VA
- $114,750 - $155,250 a year
- Hybrid work
- Computer Science
- Bachelor of Science
- Analysis skills
- Paid time off
- 401(k) matching
Test, Training, and Exercise Planner - TS/SCI w/Poly
General Dynamics Information Technology —Chantilly, VA
- $127,500 - $172,500 a year
- Bachelor's degree
- Travel
- Senior level
- Paid time off
- 401(k) matching
Senior Project Analyst, TS/SCI Polygraph
General Dynamics Information Technology —McLean, VA
- $107,744 - $143,750 a year
- Microsoft Excel
- Microsoft Outlook
- 5 years
- Paid time off
- 401(k) matching
10d
VDI Engineer
General Dynamics Information Technology —Springfield, VA
- $115,600 - $156,400 a year
- 7 years
- DevOps
- Windows
- Paid time off
- 401(k) matching
4d
Endpoint Management Systems Administrator - TS/SCI with Polygraph
General Dynamics Information Technology —Annapolis Junction, MD
- $96,569 - $130,651 a year
- Bachelor's degree
- Experience equivalent to degree accepted
- Senior level
- Paid time off
- 401(k) matching
MCCO Test Engineer | Active TS/SCI CI Poly
General Dynamics Information Technology —Fort Meade, MD
- $88,400 - $119,600 a year
- Mid-level
- Bachelor's degree
- Software development experience
- Paid time off
- 401(k) matching

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General Dynamics jobs near Washington, DC

Email Services Systems Administrator - TS/SCI with Polygraph

General Dynamics Information Technology -
Annapolis Junction, MD

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Job Details

$96,569 - $130,651 a year

Benefits

Internal mobility program
Paid time off
401(k) matching

Qualifications

Mobile device support
Technical documentation
Data Retention (Data management)
Configuration management
Vulnerability Remediation
Server backup and recovery
Operating system updates
Microsoft Exchange
Communication platforms
Server updates
System maintenance
PKI
Patch management
Email configuration (technical support)
Cloud service support
Retention policy implementation
DNS
Mobile device management
Data backup
Vulnerability management
SMTP
TS/SCI with Polygraph
Identity and access management (IAM) solutions
Cross-functional collaboration
Cross-functional communication
Identity & access management

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

ENDPOINT MANAGEMENT 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 an Email Services Systems Administrator supporting CIS, you will operate, secure, and optimize enterprise email and messaging services across complex multinetwork environments. You will maintain high availability email platforms, ensure reliable communication services, and sustain cloud enabled collaboration capabilities that directly support mission critical operations. Your work enhances the resilience, performance, and readiness of enterprise messaging systems relied on by users worldwide.

KEY RESPONSIBILITIES:

Administer, maintain, and troubleshoot enterprise Exchange and M365 email systems, ensuring high availability, secure operations, and reliable mail flow across multiple networks
Support email architecture components including mailbox databases, transport services, journaling, archival/retention systems, SMTP relays, and message hygiene tools
Manage identity and access for messaging services, including authentication, PKI based access, mobile access policies, and integration with directory services
Monitor system health, capacity, and performance; perform diagnostics; and implement corrective actions for service disruptions or degraded functionality
Support migrations, upgrades, and sustainment of both on premise and cloud based messaging platforms, ensuring seamless integration and minimal user impact
Execute backup, recovery, and failover operations for Exchange systems and related messaging components, validating resilience and continuity of operations
Troubleshoot complex issues involving authentication, DNS, PKI, mobile clients, cross domain routing, and dependencies across hybrid environments
Maintain documentation, SOPs, service configurations, and operational artifacts supporting sustainment, change management, and continuous improvement
Apply security patches, cumulative updates, and platform hotfixes across Exchange, M365, and messaging related infrastructure to maintain compliance and secure service baselines
Identify and remediate noncompliant messaging systems by reviewing vulnerability and SCAP reports, resolving patch exceptions, and validating corrective actions across messaging environments

WHAT YOU’LL NEED TO SUCCEED:

EXPERIENCE REQUIREMENTS:
Email Services 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.
Email Services 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.
Email Services Systems Administrator Sr. Principal - Requires a Bachelor’s degree in an IT‑related field or 12+ years of relevant IT experience in lieu of a degree.
CLEARANCE: Active TS/SCI clearance with a favorable Polygraph
CERTIFICATIONS: Meet DoD 8140 Information Assurance Workforce certification requirements (e.g., Security+ CE)
Hands-on experience administering Exchange (on-premises) and M365 messaging services in enterprise or multi-network environments
Strong proficiency with email routing, SMTP, DNS, authentication, certificates, and mobile/ remote email access
Experience with secure configuration, retention/archival policies, and compliance requirements for enterprise messaging
Familiarity with patching, vulnerability remediation, and configuration compliance for messaging platforms
Ability to diagnose and resolve complex messaging, access, routing, and authentication issues across hybrid environments
Strong documentation, communication, and cross team collaboration skills
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 $96,569 - $130,651. 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

General Dynamics jobs in Washington, DC

Email Services Systems Administrator - TS/SCI with Polygraph

Configuration Manager - TS/SCI with Polygraph

PKI Systems Administrator - TS/SCI with Polygraph

Next Generation Desktop (NGDE) Systems Administrator - TS/SCI with Poly

Integrated Master Scheduler - TS/SCI with Polygraph

Data Center Administrator - TS/SCI with Polygraph

Storage Systems Administrator - TS/SCI w/Poly

Infrastructure Service Lead - TS/SCI with Polygraph

Software Engineer Sr Advisor

Circuit Activation Engineer - TS/SCI clearance

Solutions Architect

Active Directory Systems Administrator - TS/SCI w/Poly

Technical Lead - TS/SCI w/Poly

Installation Technician - TS/SCI with Polygraph

F-35 Air Systems Cybersecurity Engineer | Active TS/SCI clearance

Test, Training, and Exercise Planner - TS/SCI w/Poly

Senior Project Analyst, TS/SCI Polygraph

VDI Engineer

Endpoint Management Systems Administrator - TS/SCI with Polygraph

MCCO Test Engineer | Active TS/SCI CI Poly

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