Freelance Desktop Application Developer Jobs (NOW HIRING)

Type of Requisition:

Pipeline

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:

Client Services, Endpoint Management, Enterprise Desktop Management, Software Development Life Cycle (SDLC), Windows Desktop Operating Systems

Certifications:

None

Experience:

10 + years of related experience

US Citizenship Required:

Yes

Job Description:

DESKTOP APPLICATION PACKAGING & DEPLOYMENT 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 Desktop Application Packaging & Deployment Systems Administrator supporting CIS, you will ensure stability, security, and performance of enterprise desktop applications across a globally distributed environment. You will administer and support core user-facing software services, maintain application configurations, and deliver reliable, secure capabilities that enable users to operate efficiently. Your work directly strengthens productivity, standardization, and application readiness across mission critical systems.

KEY RESPONSIBILITIES:

• Package, test, and deploy enterprise desktop applications using approved deployment technologies such as MECM, Intune, and automated task sequences

• Standardize desktop operating system builds, ensuring configurations, baselines, drivers, and imaging processes remain current and compliant

• Manage application versioning, update cycles, EOL planning, and controlled rollout of new or refreshed application packages across multiple networks

• Troubleshoot application deployment, OS build, and packaging issues involving dependencies, profiles, permissions, and network related elements

• Support virtualized and physical client environments, including thick, thin, and VDI based clients, ensuring consistent delivery of approved applications

• Maintain packaging documentation, SOPs, and submission packages for approval, accreditation, and operational use

• Collaborate with engineering, cybersecurity, endpoint management, and operations teams to validate requirements and maintain secure, compliant deployments

• Integrate approved drivers, firmware, and hardware related software components into automated deployment workflows

• Implement and validate application, OS, and client-side security patches in accordance with vulnerability management and change control timelines

• Monitor systems for patch and configuration compliance; identify noncompliant endpoints and support remediation and POA&M documentation

WHAT YOU'LL NEED TO SUCCEED:

• EXPERIENCE REQUIREMENTS: Systems Administrator - Requires a Bachelor's degree in an ITrelated field or 4 years of relevant IT experience in lieu of a degree. Systems Administrator Principal - Requires a Bachelor's degree in an ITrelated field or 6 years of relevant IT experience in lieu of a degree. Systems Administrator Senior Principal - Requires a Bachelor's degree in an ITrelated field or 8 years of relevant IT experience in lieu of a degree.

• CERTIFICATION: Meet DoD 8140 Information Assurance Workforce certification requirements (e.g. Security+ CE, etc.)
• CLEARANCE: Active TS/SCI clearance with a favorable polygraph
• Hands-on experience administering enterprise desktop applications, client services, or endpoint management platforms
• Strong understanding of application deployment, configuration baselines, software lifecycle, and secure implementation practices
• Maintain proficiency with required toolsets, including Windows Desktop OS, Microsoft Deployment Toolkit (MDT), Active Directory and Group Policy, PowerShell and Batch scripting, AppV, and Microsoft Endpoint Configuration Manager to support enterprise application packaging and deployment
• Familiarity with patching processes, vulnerability management, and compliance requirements across enterprise desktop environments
• Ability to troubleshoot complex application issues across distributed systems
• Strong documentation, communication, and cross team collaboration skills
• Ability to support CONUS/OCONUS travel as required

• 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

The likely salary range for this position is $72,877 - $98,599. 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:

10-25%

Telecommuting Options:

Onsite

Work Location:

USA MD Annapolis Junction

Additional Work Locations:

USA CO Colorado Springs - 8610 Explorer Dr (COC036), USA DC Washington, USA FL MacDill AFB - 7115 S Boundary Blvd (FLC096), USA VA Springfield - 7770 Backlick Rd (VAS110)

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.We are GDIT. A global technology and professional services company that delivers consulting, technology 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 capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.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