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

General Dynamics Information Technology; Washington (District of Columbia); On-site; USD 140,000 - 190,000; Full time

Job summary

General Dynamics Information Technology, in Washington, DC, is seeking a NextGenerationDesktop (NGDE) Systems Administrator to maintain and optimize a large-scale thin client and virtual desktop environment across multiple domains. The role focuses on secure, high-performance access and ongoing modernization to support mission readiness.

The successful candidate will be responsible for administration, monitoring, configuration updates, patching, and cross-team collaboration, with a requirement

Qualifications

• Bachelor’s degree in IT or 8+ years IT experience in lieu of degree.
• Bachelor’s degree in IT-related field or 10+ years of relevant IT experience in lieu of a degree.
• Bachelor’s degree in IT-related field or 12+ years of relevant IT experience in lieu of a degree.
• Active TS/SCI clearance with a favorable polygraph.
• DoD 8140 IA workforce certification requirement(s) (e.g. Security+ CE).
• Forcepoint Trusted Thin Client (40hrs course) required.
• Hands on experience administering thin client, VDI, or multi network desktop delivery environments.
• Strong documentation, communication, and cross team collaboration skills.

Responsibilities

• Administer, operate, and maintain NGDE thin client and virtual desktop systems, ensuring reliable access to multiple networks and virtualized environments.
• Monitor NGDE infrastructure health, availability, storage utilization, network routing, and console status, resolving alerts and addressing performance degradations.
• Manage enterprise distribution consoles, licensing, session management, routing assignments, authentication sources, and cluster/cell configurations.
• Support integration and sustainment of server side and backend components including connection brokers, certificates, device firmware, and virtualization platforms.
• Troubleshoot complex NGDE issues including session failures, connectivity problems, certificate issues, authentication errors, and client to cluster routing challenges.
• Implement configuration updates, version changes, hardware improvements, and operational adjustments to maintain secure, optimized NGDE environments.
• Maintain documentation, system inventories, SOPs, and configuration artifacts supporting change control, sustainment, and continuous improvement.
• Collaborate with engineering, network, cybersecurity, endpoint, and virtualization teams to integrate new capabilities, support modernization efforts, and maintain cross domain accessibility.
• Apply security patches, client updates, firmware changes, and backend platform fixes across NGDE systems to maintain compliance with security and configuration baselines.
• Identify and remediate non compliant NGDE components by reviewing vulnerability and compliance reports, resolving patch exceptions, and validating corrective actions across multi network environments.

Skills

NGDE Systems Administration

VDI administration

Thin client management

Session management

Certificate services

Troubleshooting NGDE

Security best practices

Documentation and collaboration

US citizenship

Education

Bachelor’s degree in IT-related field

Tools

Forcepoint Trusted Thin Client

Certificates and PKI management

Job description

NextGenerationDesktop (NGDE)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 NextGenerationDesktop (NGDE)Systems Administrator supporting CIO Infrastructure Services, you will maintain, secure, and optimize a large scale thin client and virtual desktop ecosystem that delivers multi domain access across distributed environments. You will ensure resilient, high performance desktop delivery platforms, sustain enterprise wide availability, and support modernization efforts that enhance user productivity and mission readiness. Your work enables fast, secure access to critical resources across a modern, virtualized desktop enterprise.

KEY RESPONSIBILITIES:

• Administer,operate, and maintain NGDE thin client and virtual desktop systems, ensuring reliable access to multiple networks and virtualized environments

• Monitor NGDE infrastructure health, availability, storage utilization, network routing, and console status, resolving alerts and addressing performance degradations

• Manage enterprise distribution consoles, licensing, session management, routing assignments, authentication sources, and cluster/cell configurations

• Support integration and sustainment of server side and backend components including connection brokers, certificates, device firmware, and virtualization platforms

• Troubleshoot complex NGDE issues including session failures, connectivity problems, certificate issues, authentication errors, and client to cluster routing challenges

• Implement configuration updates, version changes, hardware improvements, and operational adjustments to maintain secure, optimized NGDE environments

• Maintain documentation, system inventories, SOPs, and configuration artifacts supporting change control, sustainment, and continuous improvement

• Collaborate with engineering, network, cybersecurity, endpoint, and virtualization teams to integrate new capabilities, support modernization efforts, and maintain cross domain accessibility

• Apply security patches, client updates, firmware changes, and backend platform fixes across NGDE systems to maintain compliance with security and configuration baselines

• Identify and remediate non compliant NGDE components by reviewing vulnerability and compliance reports, resolving patch exceptions, and validating corrective actions across multi network environments

WHAT YOU’LL NEED TO SUCCEED:

• EXPERIENCE REQUIREMENTS:
  NGDE 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.
  NGDE 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.
  NGDE 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

• Meet DoD 8140 Information Assurance Workforce certification requirement(s) (e.g. Security+ CE)

• Additional required certification & training – Forcepoint Trusted Thin Client (40hrs course)

• Hands on experience administering thin client, VDI, or multi network desktop delivery environments

• Strong proficiency with virtual desktop platforms, session management, certificate services, client imaging, routing rules, and remote administration

• Experience with secure configuration practices, desktop hardening, and compliance enforcement

• Familiarity with patching processes, version updates, vulnerability remediation, and configuration compliance auditing

• Ability to diagnose and resolve complex NGDE, authentication, connectivity, and routing issues

• 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