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Keywords: Linux Systems Engineer - Active TS/SCI, Location: Chantilly, VA

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IT Systems Engineer

: Must have a current/active TS/SCI w/Polygraph. Physical Requirements: Must be able to remain in a stationary position 50% Needs...! ***This is for a future opportunity*** MANTECH seeks a motivated, career and customer-oriented IT Systems Engineer to join our team...

Company: ManTech
Location: Chantilly, VA
Posted Date: 16 Nov 2025

Systems Engineer - Subject Matter Expert (SME)

Security accreditation processes (RMF, NIST 800-53) for TS/SCI systems Advanced system monitoring and observability... scheduling to support critical operations in Top Secret environments. #FundedPosition Desired Qualifications: Active TS/SCI...

Company: Noblis
Location: Chantilly, VA
Posted Date: 09 Nov 2025

Principal Information Systems Security Engineer (ISSE-4)

. Do You Have What It Takes? Required: Active TS/SCI with Polygraph. Bachelor’s degree + 11 years (or equivalent: HS +15, Associate...📍 Chantilly, VA | 🕒 Full-Time | 🔒 TS/SCI with Polygraph | Onsite Overview Lucayan Technology LLC is hiring...

Location: Chantilly, VA
Posted Date: 09 Nov 2025

Information Systems Security Engineer (ISSE)

. Qualifications Required: Active TS/SCI with Polygraph. Bachelor’s degree in Computer Science, Engineering, or related discipline...📍 Chantilly, VA | 🕒 Full-Time | 🔒 TS/SCI with Polygraph | Onsite Join Our Mission Lucayan Technology LLC...

Location: Chantilly, VA
Posted Date: 09 Nov 2025

Senior Cloud Infrastructure Systems Engineer

Responsibilities Peraton is seeking a Senior Cloud Infrastructure Systems Engineer in our Chantilly, VA office...: This position requires the candidate to possess a minimum of Top-Secret clearance with the ability to obtain TS/SCI. The candidate...

Company: Peraton
Location: Chantilly, VA
Posted Date: 08 Nov 2025

Senior Cloud Infrastructure Systems Engineer

Responsibilities Peraton is seeking a Senior Cloud Infrastructure Systems Engineer in our Chantilly, VA office...: This position requires the candidate to possess a minimum of Top-Secret clearance with the ability to obtain TS/SCI. The candidate...

Company: Peraton
Location: Chantilly, VA
Posted Date: 08 Nov 2025

Systems Engineer - Subject Matter Expert (SME)

in systems engineering with at least 4 years working in Top Secret environments. Active Top Secret (TS) clearance... Security accreditation processes (RMF, NIST 800-53) for TS/SCI systems Advanced system monitoring and observability...

Company: Noblis
Location: Chantilly, VA
Posted Date: 07 Nov 2025

Operational Systems Engineer

of our project. The appropriate candidate should have experience with the following: Must maintain active/current TS/SCI... fields of technology. Currently we have an immediate need to add an experienced: Operational Systems Engineer Location...

Company: Armison Tech
Location: Chantilly, VA
Posted Date: 31 Oct 2025

OPIR Systems Engineer

Knowledge of automation techniques or artificial intelligence and machine learning Active TS/SCI clearance; willingness...OPIR Systems Engineer The Opportunity: At a certain point, experience-based system design can start to look...

Location: Chantilly, VA
Posted Date: 29 Oct 2025
Salary: $69400 - 158000 per year

Senior Cyber Systems Engineer

and non-technical audiences. Clearance Active TS/SCI clearance or the ability to obtain SCI access and pass a polygraph... Cloud Certifications (AWS, Azure) Server Certifications (Windows / Linux) Tools & Systems Proficiency Project...

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

Operational Systems Engineer

systems as needed. Required Skills: Active Top Secret/Sensitive Compartmented Information (TS/SCI) clearance..., NodeJS, Angular, HTML, CSS, etc). Strong foundation in Linux. Experience with AWS Elastic Cloud 2, AWS Lambdas, SQS, Apache...

Location: Chantilly, VA
Posted Date: 12 Nov 2025

Cyber Systems Engineer

college/university Active TS/SCI with Poly 1 years' experience in three or more of the following: analysis, network..., CCFP, CCSP, CEH, GCFA, GCIA Splunk Linux Peraton Overview Peraton is a next-generation national security company...

Company: Peraton
Location: Chantilly, VA
Posted Date: 17 Dec 2025
Salary: $104000 - 166000 per year

Systems Integrator

, storage, and data centers. Basic Qualifications: Must maintain active/current TS/SCI with a polygraph clearance... Integrator Location: Chantilly VA (on-site client environment) Clearance: TS/SCI with polygraph Compensation: Competitive...

Company: Armison Tech
Location: Chantilly, VA
Posted Date: 19 Nov 2025

Cloud Reliability Engineer

communicate both with customers and technical staff. You have an active TS/SCI security clearance, willing to undergo and pass... a polygraph examination You are willing to work in a 24x7 environment Desired Qualifications: Have an active TS/SCI...

Company: Marathon TS
Location: Chantilly, VA
Posted Date: 22 Oct 2025

Mid/Senior Cloud Infrastructure Engineer

Marathon TS is seeking a Mid Cloud Infrastructure Systems Engineer in our Chantilly, VA office in support... trade studies as requested. Required qualifications: An active Top Secret/SCI clearance with the ability to obtain...

Company: Marathon TS
Location: Chantilly, VA
Posted Date: 26 Sep 2025

DSP Communications Engineer

: Bachelor's+ in EE, Applied Math, or Equivalent Experience: 2+ years with Active TS/SCI Required Role: DSP Communications... with active TS/SCI clearance. Requirements: 🎓 ✅ MUST BE U.S. CITIZEN with ACTIVE and CURRENT Top Secret SSBI/SCI clearance...

Company: Top Engineer
Location: Chantilly, VA
Posted Date: 14 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..., and virtual systems Knowledge of Windows and Linux systems, general operating system security practices, TCP/IP networking...

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... and Linux systems, operating system security principles, TCP/IP networking, 802.1x, and core network security concepts...

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

Principal Cyber Security Engineer

, and tcpdump Clearance Requirements: Must have a current/active TS/SCI with CI Polygraph Physical Requirements: The person... posture across DoD systems. Responsibilities include but are not limited to: Engineer, design, implement, integrate...

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

Senior Cyber Security Engineer

: Must have a current/active TS/SCI with Polygraph Physical Requirements: The person in this position must be able to remain in a stationary... in cloud or virtualized environments Perform Linux-based system upgrades and patches Engineer and deploy a Multi-Factor...

Company: ManTech
Location: Chantilly, VA
Posted Date: 12 Dec 2025