Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: IT Infrastructure and Operations Job Qualifications: Skills: Active Directory (AD), Group Policy Objects (GPO), Microsoft Endpoint Configuration Manager, Systems Architecture Certifications: None Experience: 10 + 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 As a Systems Engineer Sr Principal, the work you’ll do at GDIT will be impactful to the mission of our customer’s classified workstation environment. You will play a crucial role in architecting, engineering, and operating a classified secure workstation enclave, ensuring secure, reliable, and compliant access to mission-critical systems. KEY DUTIES Lead and support the architecture, engineering, and O&M of the classified secure workstation enclave, including Active Directory and GPOs, ensuring enclave integrity, security, and performance. Collaborate with the Engineering Lead, systems engineers, cybersecurity specialists, and stakeholders to design, build, configure, and sustain workstation services that meet stringent security and operational requirements. Utilize Active Directory, GPOs, MECM, and core security controls (Identity & Access Management, Configuration/Change Management, Vulnerability Management) to implement and maintain secure, standardized workstation configurations. Review and improve system and process architectures; develop and deliver test plans, technical briefings, and product recommendations. Follow and update engineering procedures, artifacts, and playbooks for the workstation enclave and core security controls. Support Continuous Monitoring (ConMon) validation and annual security assessment preparation and execution. WHAT YOU’LL NEED TO SUCCEED Bring your technology expertise and drive for innovation to GDIT. The Systems Engineer Sr Principal must have: ● Education: Bachelor of Arts/Bachelor of Science ● Experience: 10+ years of related experience ● Technical skills: Hands-on engineering expertise with Active Directory and GPOs for workstation environments Experience supporting secure workstation enclaves Experience supporting maintenance of System Security Plans (SSPs), Continuous Monitoring (ConMon) packages, and audit/assessment documentation Familiarity with DoW or Federal cybersecurity frameworks Preferred: Hands-on engineering expertise with Microsoft Endpoint Configuration Manager (MECM) ● Role requirements: Security clearance level: Current and active Top Secret Onsite - Mclean, VA Must be DoW 8140 / 8570.01-M compliant (e.g., Security+ or equivalent) 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. The likely salary range for this position is $157,250 - $212,750. 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 VA McLean Additional Work Locations: 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 Thank you for visiting the GDIT Referral Careers portal. Here you can apply for jobs, update your contact information and check the status of your job applications. At GDIT our people are supporting and securing some of the most complex government, defense, and intelligence projects across the country. We ensure today is safe and tomorrow is smarter. Our work has meaning and impact on the world around us, but also on us, and that’s important. Join GDIT and make it your place. You make it your own by embracing autonomy, seizing opportunity, and being trusted to deliver your best every day. 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. For more information about GDIT's Privacy Policy, click here: Privacy Policy | GDIT

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