Windows Systems Engineer TS/SCI w/ poly

Clearance Level
Top Secret SCI + Polygraph
Systems Engineering
Chantilly, Virginia

REQ#: RQ87497

Travel Required: Less than 10%
Requisition Type: Regular

Basic Qualification

Bachelor’s degree in Computer Science, Systems Engineering, or other computer or information technology-related field, plus a minimum of 6 years of relevant experience. Agile experience preferred.


A TS/SCI security clearance with the ability to obtain a Polygraph is required at time of hire. Candidate must be able to obtain the Polygraph within a reasonable amount of time from date of hire. Must have at least a TS/SCI clearance. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required.

Job Description

We are seeking motivated candidates to join our insider threat detection, systems integration team. Our mission-oriented team is responsible for the design, testing, deployment, maintenance, operation, and evolution of the systems directly supporting the insider threat detection program of a large government customer in the United States Intelligence Community (USIC). We have an immediate opening on the team for a motivated Windows System Engineer with a self-starter mindset who is up to date with the latest tools and techniques. This is a challenging yet rewarding position that provides an opportunity to leverage cutting edge technologies in pursuit of a vital mission that protects people, sensitive information/technologies, and the national security posture of the US IC.

 Most of the work will be performed in Chantilly, Virginia, which is located approximately 25 miles west of Washington D.C., near the Dulles International Airport.


  • Seeking a strong Systems Engineer with wide experience with Microsoft Information System Networks, Microsoft SQL Server, Exchange, Active Directory, Group Policy, VMware, and Citrix
  • Will be a key team member for the day-to-day operations of production customer security analytic network
  • Will work closely with a small team of diverse skill sets
  • Will develop integration strategies for new software solutions, while maintaining the health and wellbeing of the current infrastructure
  • Candidates should have strong Tier1-2 administrative and debugging experience along with system/application integration experience
  • A strong candidate will be comfortable working in a multi-vendor network with a large array of COTS applications
  • Will work closely on Assessment and Authorization (A&A) efforts to ensure the infrastructure meets all requirements Candidate must be security conscious and ensure all deployments meet A&A requirements with DISA standards Candidates must be self-starters, comfortable with spending time in a data center, and have the aptitude to work independently in a fast passed continuously evolving environment
  • Manage the Windows Server Infrastructure including Active Directory, Lync Server, Exchange Servers, SQL Clusters, File Clusters, Web Servers, and various application servers
  • Create and maintain Operating System baseline images (Windows Server 2012/2016 and Workstation 7/10/embedded) Maintain production Thin Client infrastructure with Windows Embedded
  • Gather and develop requirement from team leads and application users, research technical solutions, design and implement software/hardware solutions
  • Develop system and application backup strategies
  • Deploy new server and workstations through SCCM for physical and VMware templates for Virtual Machines
  • Answer customer and teammate help desk tickets and remediate application/infrastructure issues
  • Participate in internal / external security audits/inspections, create and maintain Plan of Action and Milestones (POAM) as required
  • Maintaining and administer Group Policy Objects in Microsoft Active Directory
  • Enforce security hardening on systems through group policy and system configuration from DISA STIG guidelines and customer requirements
  • Manage McAfee EPO updates and Virus scanning across server and workstation infrastructure
  • Assist team with continuous monitoring, implementation and troubleshooting of required patch compliance for all client and server devices utilizing SCCM server
  • Responsibilities may require periodic evening and weekend work in response to needs of the systems being supported Performs requirements analysis, requirements definition, requirements management, functional analysis, performance analysis, system design, detail trade studies, systems integration and test (verification), validation and interface definition studies of subsystem or system elements under supervision of the lead systems engineer
  • Performs technical planning, cost and risk analyses, and supportability and effectiveness analyses for subsystems and system elements Performs customer requirements analysis, develops system requirements, and defines allocations to lower levels (elements and components)
  • Performs detailed technical analyses for a subsystem or system elements
  • Develops and evaluates systems, networks, and information systems to ensure designs meet applicable governmental security specifications
  • May provide system accreditation/certification evaluation and test support to ensure all technical security features (e.g., identification, authentication, access control, labeling, and auditing) of the system are considered and function properly May develop system security documentation on both new and fielded information systems
  • Participates in Modeling and Simulation
  • Researches and analyzes data, such as vendor products, COTS components, GFE/CFE, specifications, and manuals to determine feasibility of design or application


  • Proficient in Microsoft Infrastructure components: Microsoft Server 2012/2016, Active Directory, DNS, DFS, DHCP, Group Policy, Exchange, SQL, SharePoint, Office, IIS
  • Proficient with maintaining virtualization environments: VMware and Citrix XenDesktop
  • Experience with Active Directory domains and trusts, security delegation and file share security
  • PKI and TLS/SSL certificate integrations
  • Adobe Experience Manager (AEM) is a plus
  • McAfee Epolicy and Enterprise Security Manager, WhatsUp Gold
  • HP ProLiant series, HPE/Dell workstation and Thin Clients maintenance and deployments
  • Basic networking experience and understanding of LAN switching and VLANs
  • Experience with remote server administration using HPE iLO


  • Proficient use and understanding of systems engineering concepts, principles, and theories
  • Proficient knowledge of other related disciplines
  • Proficient with requirements management & system modeling tools
  • Recognizes various architectural patterns
  • Proficient in Microsoft Office applications
  • Proficient written and verbal communications skills
  • Able to sell concepts and ideas
  • Creative thinker
  • Ability to multi-task
  • Proficient ability to grasp and apply new information quickly and effectively handle complex assignments
  • Shows initiative on assignments, exercises independent judgment, and professionally executes projects with little direction
  • Proficient ability in communicating issues, impacts, and corrective actions
  • Proficient ability to clearly report relevant to sound systems engineering design


  • DoD 8570.1M compliant Operating System certification preferred (E.g. Microsoft, VMware)

We are GDIT. The people supporting some of the most complex government, defense, and intelligence projects across the country. We deliver. Bringing the expertise needed to understand and advance critical missions. We transform. Shifting the ways clients invest in, integrate, and innovate technology solutions. We ensure today is safe and tomorrow is smarter. We are there. On the ground, beside our clients, in the lab, and everywhere in between. Offering the technology transformations, strategy, and mission services needed to get the job done.

GDIT is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status, or any other protected class.