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

General Dynamics - IT; Annapolis (MD); On-site; USD 100,000 - 150,000; Full time

Job summary

General Dynamics - IT seeks an NGDE Systems Administrator to maintain and secure a large scale thin client and virtual desktop ecosystem across multi-domain environments. You will ensure high performance, secure access, and enterprise-wide availability while supporting modernization that enhances user productivity and mission readiness.

The role requires a TS/SCI clearance with polygraph, a IT-related bachelor's degree or equivalent experience, and hands-on work with thin clients, VDI, and

Qualifications

• Active TS/SCI clearance with favorable polygraph.
• Bachelor's degree in IT or 8+ years of relevant IT experience in lieu of a degree.
• Hands-on experience with thin client, VDI, or multi-network desktop delivery environments.

Responsibilities

• Administer NGDE thin client and virtual desktop systems across networks.
• Monitor infrastructure health, storage, and routing; address alerts.
• Manage deployment consoles, licensing, and authentication sources.
• Support server-side components, certificates, firmware, and virtualization platforms.
• Troubleshoot NGDE issues including session failures and connectivity problems.
• Apply security patches and configuration changes to maintain baselines.

Skills

TS/SCI clearance

Documentation & communication

Education

Bachelor's degree in IT

Tools

VDI

Thin client

Certificate services

Networking

Job description

Next Generation Desktop (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 Next Generation Desktop (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 requirements (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