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Keywords: Senior Windows Systems Engineer - TS/SCI with Polygraph, Location: Chantilly, VA

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Senior Windows Systems Engineer - TS/SCI with Polygraph

certification. Active TS/SCI and CI Polygraph MECM / MCM packages experience as well as vast knowledge in OSD (O/S Deployment...Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level...

Company: General Dynamics
Location: Chantilly, VA
Posted Date: 18 Jan 2026
Salary: $142792 - 172500 per year

Senior Linux Engineer (TS/SCI w/ Polygraph)

Job Summary We are seeking an experienced Linux Engineer whose primary responsibilities include providing engineering... based networks spanning multiple security enclaves within a hybrid (Windows & RHEL) operating environment. System...

Posted Date: 24 Oct 2025

Senior Systems Engineer - SME in Infrastructure, Virtualization, and Automation

. If you are a skilled engineer with exceptional experience in Nutanix HCI, VMWare, Linux, and Windows systems, along with proven expertise... collaboration, career growth, and winning ideas. Military Veterans Encouraged to Apply. Job Description: As a Senior Systems...

Location: Chantilly, VA
Posted Date: 08 Jan 2026
Salary: $141179 - 162946 per year

Senior Systems Engineer - Infrastructure and Virtualization Specialist

collaboration, career growth, and winning ideas. Military Veterans Encouraged to Apply. Job Description: As a Senior Systems.... We are specifically looking for candidates with extensive experience in Nutanix HCI, VMWare, Linux, and Windows systems. Requirements...

Location: Chantilly, VA
Posted Date: 08 Jan 2026
Salary: $135187 - 146035 per year

Senior Systems Engineer

intel professional because you have a Top Secret Clearance with SCI Eligibility (TS/SCI). May be asked to undergo polygraph..., C2S) Linux and Windows operating systems Windows Active Directory Network hardware (Cisco, Arista, SonicWall...

Location: Chantilly, VA
Posted Date: 20 Dec 2025

Senior Cyber Systems Engineer

and non-technical audiences. Clearance Active TS/SCI clearance or the ability to obtain SCI access and pass a polygraph... Systems, Geography, or a related discipline. Advanced Experience Senior-level experience in the engineering, design...

Posted Date: 23 Nov 2025
Salary: $104000 - 166000 per year

Senior Systems Administrator

: Chantilly, VA Schedule: Monday – Friday Hours: Full-time, 40-hours/week Clearance Req: TS/SCI – Full-Scope Polygraph... Position Summary RSekure is seeking a highly skilled Senior Systems Administrator to manage and maintain Linux and Windows...

Company: RSEKURE
Location: Chantilly, VA
Posted Date: 08 Jan 2026

Systems Engineer SME

intel professional because you have a Top Secret Clearance with SCI Eligibility (TS/SCI). May be asked to undergo polygraph...) Linux and Windows operating systems Windows Active Directory Network hardware (Cisco, Arista, SonicWall) Containerization...

Location: Chantilly, VA
Posted Date: 20 Dec 2025

Systems Engineer

innovative solutions and an engaging culture. AnaVation is seeking a senior-level Systems Engineer to plan, design... requires an active Top Secret (TS) clearance and the ability to obtain SCI access with a CI polygraph. This position is on-site...

Company: AnaVation
Location: Chantilly, VA
Posted Date: 14 Dec 2025

Principal Information Systems Security Engineer (ISSE-4)

πŸ“ Chantilly, VA | πŸ•’ Full-Time | πŸ”’ TS/SCI with Polygraph | Onsite Overview Lucayan Technology LLC is hiring... a Principal Information Systems Security Engineer (ISSE-4) to provide senior-level cybersecurity engineering support for mission...

Location: Chantilly, VA
Posted Date: 09 Nov 2025

Senior DevOps Engineer – Infrastructure and Automation Specialist

is required Must possess an active TS clearance at the time of application, be willing and able to obtain SCI access, and pass a CI polygraph... Technologies: Apache Tomcat DevSecOps Best Practices Operating Systems: Linux (Rocky, RedHat, Amazon, Ubuntu) and Windows...

Location: Chantilly, VA
Posted Date: 08 Jan 2026
Salary: $131884 - 153127 per year

Senior Splunk Cyber Security Engineer

TS/SCI with CI Polygraph Physical Requirements: Must be able to remain in a stationary position 50% of the time... a motivated, career, and customer-oriented Senior Splunk Cyber Security Engineer to join our team in Chantilly, VA. In this role...

Company: ManTech
Location: Chantilly, VA
Posted Date: 31 Dec 2025

Senior DevOps Engineer

intel professional because you have a Top Secret Clearance with SCI Eligibility (TS/SCI). May be asked to undergo polygraph...) DevSecOps principles and best practices Linux (Rocky, RedHat, Amazon, Ubuntu) and Windows operating systems Data processing...

Location: Chantilly, VA
Posted Date: 20 Dec 2025

Senior Principal Cyber Security Engineer

/active TS/SCI with CI Polygraph Physical Requirements: The person in this position must be able to remain... a motivated, career and customer-oriented Senior Principal Cyber Security Engineer to join our team in Chantilly, VA. This role...

Company: ManTech
Location: Chantilly, VA
Posted Date: 14 Dec 2025

Senior Cyber Security Engineer

: Must have a current/active TS/SCI with CI Polygraph. Physical Requirements: The person in this position must be able to remain... a motivated, career and customer-oriented Senior Cyber Security Engineer to join our team in Chantilly, VA. This role supports...

Company: ManTech
Location: Chantilly, VA
Posted Date: 14 Dec 2025

Senior Splunk Cyber Security Engineer

TS/SCI with CI Polygraph Physical Requirements: Must be able to remain in a stationary position 50% of the time... a motivated, career, and customer-oriented Senior Splunk Cyber Security Engineer to join our team in Chantilly, VA. In this role...

Company: ManTech
Location: Chantilly, VA
Posted Date: 14 Dec 2025

Senior Security Engineer (Government)

compliance and system accreditation processes. Required Clearance: TS/SCI with the ability to obtain/maintain a polygraph.... (#ts/sci) (#polygraph) Required Qualifications: Must be a US Citizen. Bachelor's degree and minimum 5 years...

Company: AT&T
Location: Chantilly, VA
Posted Date: 07 Nov 2025
Salary: $98100 - 220000 per year

Cleared AI/ML Engineer (Multiple Levels)

environment Required Qualifications: US Citizenship is required Active TS/SCI with Polygraph Experience working...Responsibilities: Noblis is seeking to hire an AI/ML Engineer (Multiple Levels) with an ACTIVE Top Secret with SCI...

Company: Noblis
Location: Chantilly, VA
Posted Date: 24 Dec 2025
Salary: $109800 - 171525 per year

Cleared AI/ML Engineer (Multiple Levels)

and support Linux and Windows environment Required Qualifications US Citizenship is required Active TS/SCI with Polygraph... Secret with SCI and Polygraph in Chantilly, VA As an experienced AI/ML Engineer with our team, you will be working...

Company: Noblis
Location: Chantilly, VA
Posted Date: 23 Dec 2025
Salary: $109800 - 171525 per year

Cyber Security Engineer

must have an active TS/SCI security clearance with a Full Scope Polygraph. Applicant MUST hold a permanent U.S. citizenship.... Advanced Experience Senior-level experience in the engineering, design, and analysis of IT or related systems, including...

Company: Kavaliro
Location: Chantilly, VA
Posted Date: 10 Dec 2025