Lead Systems Engineer - TS/SCI with Polygraph

Company: GD Information Technology
Location: Chantilly
Posted on: April 1, 2026

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: Cloud Infrastructure, Microsoft Azure, Microsoft Windows Server Certifications: None Experience: 10 years of related experience US Citizenship Required: Yes Job Description: We are seeking a dynamic and motivated Lead System Engineer to provide support for globally dispersed, state-of-the-art systems built on Microsoft technologies. The ideal candidate will be experienced in large-scale system design, cloud infrastructure solutions, and team leadership. This role blends technical expertise with strategic execution, aligning service level management strategies with organizational goals while optimizing performance across Windows Server and Azure/M365 environments. If you have a solid foundation in enterprise systems design with hands-on experience in cloud solutions, service management frameworks, and IT process improvement, this opportunity offers both challenge and career growth. Key Responsibilities Design and deploy multi-domain Windows Server environments across on-premises, cloud, and hybrid infrastructures. Collaborate with teams to define technical requirements, design solutions, and resolve complex system challenges. Oversee geographically dispersed WAN-connected systems ensuring availability and security. Apply project management and IT processes to deliver user-facing services efficiently. Architect and Manage Cloud Infrastructure Lead operational activities in service optimization Provide guidance to engineering team members, ensuring adherence to best practices and technical goals. Implement automation tools and scripting (e.g., PowerShell) for streamlined deployments and operations. Ensure system compliance with security guidelines Demonstrated success in delivering complex IT projects and user-facing services. Strong leadership capabilities with a track record of mentoring technical teams. Adept in aligning service levels and IT operations to organizational objectives for continuous improvement. Effective communicator skilled at translating technical requirements into actionable strategies. Technical Skills: Strong operational knowledge of hybrid cloud architectures and solutions. Experience in designing secure cloud infrastructures within Azure IL4/IL5 environments. Proficiency in scripting languages like PowerShell for automation and deployment optimization. Deep understanding of Windows Server environments (2016/2019) and features including Group Policy, DNS, DHCP, and Distributed File System (DFS). Knowledge of security configurations such as DISA STIGs, CIS benchmarks, or Azure Security standards. Required Qualifications Education: Bachelor’s Degree in a related Technical Field (Science, Technology, Engineering, and Mathematics (STEM)) Desired Certifications: IT process improvement and/or capability frameworks (e.g., ITILv4, Control Objectives for Information and related Technology (COBIT), International Standards Organization (ISO)), CompTIA Security or similar for IAT Level II DoD 8570 certification Clearance: Active TS/SCI with Polygraph The successful candidate will have at least seven plus (7) years’ experience with three plus (3) years of specialized experience with hands-on software and network engineering, demonstrated track record of complex system design, project management/delivery, cloud infrastructure, delivering complex IT user facing services, DevSecOps, and team leadership 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 OpportunityOwned WeAreGDIT transitioningmilitary clearedjobs veterans Autobots 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: None T elecommuting Options: Onsite Work Location: USA VA Chantilly 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. 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 30,000 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

Keywords: GD Information Technology, Harrisonburg , Lead Systems Engineer - TS/SCI with Polygraph, IT / Software / Systems , Chantilly, Virginia