Desktop Systems Engineer - TS/SCI with Polygraph

General Dynamics Information Technology, Inc.; Maryland; On-site; USD 149,000 - 201,000; Full time

Job summary

General Dynamics Information Technology, Inc. is seeking a Senior Principal Systems Engineer to advance government IT infrastructure. You will lead desktop engineering for Windows, Mac, and Linux, ensuring STIG compliance, and work on endpoint strategies and imaging.

This role requires the ability to obtain Top Secret SCI with Polygraph and brings 6+ years of related experience. The team emphasizes a customer-centric, secure enterprise environment, with collaboration across IT operations and

Qualifications

• Active TS/SCI and Polygraph clearance required.
• Bachelor's Degree with 6+ years of related experience or equivalent.
• Experience with end user computing environments including Windows 10/11, Mac OSX, AD, GPOs, and SCCM.
• Knowledge of or experience with STIG and security guidelines is preferred.

Responsibilities

• Build endpoint strategy and roadmap aligned with CIO directions.
• Maintain DISA-approved baselines and SHB across enclaves.
• Deploy Windows/Office security updates and configure guides.
• Create and manage GPOs in AD for end-user devices with STIG controls.
• Develop desktop images and deploy applications using PSADT.
• Prepare technical documentation for IT equipment and systems.

Skills

Information Technology (IT)

Microsoft Windows

Scripting

Python

PowerShell

Bash Scripting

Education

Bachelor's Degree

Job description

Type of Requisition: Regular 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: Information Technology (IT), Microsoft Windows, Scripting Certifications: None Experience: 6 + years of related experience US Citizenship Required: Yes Job Description: SYSTEMS ENGINEER SR PRINCIPAL Advance how our customers operate while you advance your career. Join GDIT as a Systems Engineer Sr Principal and build an impactful career in enterprise IT, collaborating with people who are driven and resourceful like you. MEANINGFUL WORK AND PERSONAL IMPACT GDIT is your place. Make it your own by bringing your ideas and unique perspective to our culture. By owning your opportunity at GDIT, you are helping us ensure today is safe and tomorrow is smarter. Our work depends on a Systems Engineer joining our team to support Government activities in Annapolis Junction, MD or Sterling, VA. At GDIT, we foster a people-focused and customer-centric environment in delivering Desktop Engineering Services. As a Systems Engineer supporting the Government, you will be a part of a team charged with engineering solutions for desktop (physical & virtual) builds for Windows, Apple, and Linux operating systems, STIF compliance, lifecycle, etc.

In this role, a typical day may include:

• Building the strategy for the endpoint environment, including emerging technology, new technical solutions, software, and hardware based on CIO roadmaps
• Maintaining DISA-approved WIM and Secure Host Baseline (SHB) including testing and transferring to appropriate enclaves
• Downloading, packaging, and deploying Windows and Office Security Updates
• Developing, implementing, and documenting formal configuration guides as needed
• Developing, testing, deploying, and maintaining Group Policy Objects (GPOs) in Microsoft Active Directory (AD) for end user devices, which implement STIG and other device and account controls
• Developing, testing, and deploying desktop images including applications and GPO updates
• Deploying and updating approved packaged applications using PowerShell App Deployment Toolkit (PSADT)
• Developing technical support documentation for IT equipment and systems as required

WHAT YOU’LL NEED TO SUCCEED

Active TS/SCI and Polygraph Must meet DoD 8570 IAT Level II requirements including one of the following: Security+ CE, CND, SSCP, GSEC, GICSP, CySA+, or CCNA Security. Bachelor's Degree and 6+ years of relevant experience or an equivalent combination of education and years of experience. Detailed knowledge of end user computing environments including Windows 10, Windows 11, Mac OSX, and their supporting infrastructure components such as Active Directory, group policy creation and maintenance, and SCCM Experience with deploying, configuring, and managing enterprise solutions for Windows 10 and 11 Experience with Python, PowerShell, and Bash Scripting Familiarity with VMware ESXi and VSphere.

GDIT IS YOUR PLACE

• 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.

#GDITCareers #WeAreGDIT #MD_2026Alumni #VA_2026Alumni #JET

The likely salary range for this position is $148,750 - $201,250. 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: Less than 10% Telecommuting Options: Onsite Work Location: USA MD Annapolis Junction Additional Work Locations: USA VA Sterling

Total Rewards at GDIT

Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.

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.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans Opportunity Owned From working with technologies like AI, cyber and cloud to careers in intelligence and health, we offer endless opportunities to apply your expertise to create a safer, smarter world.

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