Desktop Systems Engineer - TS/SCI with Polygraph

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

Job summary

General Dynamics Information Technology (GDIT) seeks a Systems Engineer Sr Principal to advance enterprise IT for government clients. You will help design desktop environments across Windows, macOS, and Linux, and drive secure, STIG-compliant configurations in collaboration with a skilled team.

You will work onsite at Annapolis Junction, MD or Sterling, VA, contributing to DISA, SHB, and endpoint strategy with strong scripting and integration of enterprise tools.

Qualifications

• Bachelor's degree in a technical field and 6+ years of relevant experience.
• Strong knowledge of end-user computing environments (Windows, macOS) and supporting infrastructure (AD, GPOs, SCCM).
• Experience deploying and managing enterprise Windows 10/11 environments and scripting (Python, PowerShell, Bash).

Responsibilities

• Develop endpoint environment strategy aligned with CIO roadmaps.
• Maintain DISA-approved WIM and SHB, and transfer to enclaves as needed.
• Deploy Windows/Office security updates and manage group policy objects (GPOs).
• Create and maintain desktop images and software packaging with PSADT.
• Document configuration guides and IT technical documentation.
• Support STIG/compliance requirements and lifecycle for desktop environments.

Skills

Information Technology (IT)

Microsoft Windows

Scripting

Education

Bachelor's Degree

Tools

VMware ESXi

VSphere

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

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

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.

#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. 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