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

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Senior Cyber Security Detections Engineer

/active TS/SCI with Polygraph Physical Requirements: Must be able to remain in a stationary position 50% of the time...MANTECH seeks a motivated, career and customer-oriented Senior Cyber Security Detections Engineer to join our team...

Company: ManTech
Location: Springfield, VA
Posted Date: 13 Sep 2025

Software Engineer

and web services Clearance Requirements: Must have current/active TS/SCI clearance. Physical Requirements...MANTECH is seeking a motivated, career and customer-oriented Software Engineer to join our team in the Springfield, VA...

Company: ManTech
Location: Springfield, VA
Posted Date: 31 Aug 2025

Endpoint Security as a Service (ESS) Engineer/Administrator

Qualifications: TS/SCI clearance and DOD 8570 IAT Level III certification. Hands-on experience with RedHat Enterprise Linux... components and develop cutting-edge technical solutions. Basic Qualifications: Active Top Secret clearance (SCI eligible...

Company: Leidos
Location: Annandale, VA
Posted Date: 02 Oct 2025
Salary: $89700 - 162150 per year

Endpoint Security as a Service (ESS) Engineer/Administrator

Qualifications: TS/SCI clearance and DOD 8570 IAT Level III certification. Hands-on experience with RedHat Enterprise Linux... components and develop cutting-edge technical solutions. Basic Qualifications: Active Top Secret clearance (SCI eligible...

Company: Leidos
Location: Springfield, VA
Posted Date: 02 Oct 2025
Salary: $89700 - 162150 per year

Linux Systems Engineer - Active TS/SCI

and 6+ years of relevant experience. Must have an Active TS/SCI ; willingness to obtain and maintain a CI Poly. Benefits...Experience developing systems, products, and/or processes based on a total systems perspective. Consults, plans...

Location: Springfield, VA
Posted Date: 15 Aug 2025

Edge Information Systems Security Engineer (ISSE) - active TS/SCI clearance

. We are hiring an Edge Information Systems Security Engineer (ISSE) - active TS/SCI clearance to support our government customer...) and/or Department of Defense (DOD) community. Security Clearance Requirements: This position will require an active DoD TS/SCI...

Company: V2X
Location: Springfield, VA
Posted Date: 09 Sep 2025

Network Engineer *TS/SCI Required

and efficient network operations. ***This role requires an Active Top Secret (TS) Clearance for consideration... technologies · Extensive experience with Windows, Unix, and Linux operating systems · Strong understanding of Layer 2 and Layer...

Posted Date: 05 Oct 2025
Salary: $170000 per year

Senior Cyber SIEM Detection Engineer - TS/SCI CI Poly

, resources, programs, and missions. This position is fully onsite in Springfield, VA. Must have active TS/SCI CI Poly clearance... signatures. Proficient in Linux operating systems Working knowledge of current COTS Cybersecurity technologies. Familiar...

Posted Date: 01 Oct 2025
Salary: $130000 - 140000 per year

Principal Platform Engineer / Linux (Onsite)

Engineer / Linux would be involved with development, implementation of traditional compute/network/storage systems and related... is required, as only U.S. citizens are eligible for a security clearance​ Security Clearance: TS/SCI with Polygraph At Raytheon, the foundation...

Posted Date: 08 Aug 2025

Software Engineer / Systems Administrator

by adhering to security best practices and compliance requirements. Required Qualifications: Active TS/SCI with adjudicated... candidate will possess a current TS/SCI with adjudicated FSP required to start and hold a customer-approved security...

Posted Date: 01 Oct 2025

Systems Engineer

Up to 5-10% CONUS travel Additional duties, as assigned. Requirements: Active TS/SCI clearance required Bachelor... #clearance Keyword Search string: Systems Engineer, Linux Engineer, Microsoft Engineer, System Administrator, Virtualization...

Posted Date: 13 Sep 2025
Salary: $130000 - 160000 per year

Systems Security Engineer

using Windows Operating systems and AWS Services Active TS/SCI clearance; willingness to take a polygraph exam Bachelor...Systems Security Engineer The Opportunity: As a systems engineer supporting an agency’s security office...

Posted Date: 10 Sep 2025
Salary: $62000 - 141000 per year

Senior Systems Engineer

as needed. Required Clearance: Must possess an active and in scope TS/SCI With Poly to be considered. Travel: This position requires intermittent... management. Redundancy & Project Support Serve as the operational backup for the senior systems engineer. Participate...

Company: Leidos
Location: Springfield, VA
Posted Date: 02 Sep 2025
Salary: $126100 - 227950 per year

Senior Computer Systems Engineer

as needed. Required Clearance: Must possess an active and in scope TS/SCI With Poly to be considered. Travel: This position requires intermittent... management. Redundancy & Project Support Serve as the operational backup for the senior systems engineer. Participate...

Company: Leidos
Location: Springfield, VA
Posted Date: 02 Sep 2025
Salary: $126100 - 227950 per year

Geospatial Systems Engineer

on a TS/SCI cleared Geospatial Systems Engineer joining our team to support our intelligence customer in Springfield, VA... documentation 8570 compliance Active TS/SCI clearance Preferred Qualifications Experience with deploying and configuring...

Company: General Dynamics
Location: Springfield, VA
Posted Date: 17 Aug 2025
Salary: $125800 - 170200 per year

Systems Engineer

Up to 5-10% CONUS travel Additional duties, as assigned. Requirements: Active TS/SCI clearance required Bachelor... continuous contact with our qualified talent. EOE/ADA #clearance Keyword Search string: Systems Engineer, Linux Engineer...

Posted Date: 06 Aug 2025
Salary: $130000 - 160000 per year

Senior Specialist Systems Engineering - Information Technology Senior Systems Administrator

security. Job Title: Senior Specialist, Systems Engineering - Information Technology Senior Systems Administrator (Active TS... to join our highly skilled and diverse team. This position is 100% on-site at a customer location and requires an active TS/SCI clearance...

Posted Date: 04 Sep 2025
Salary: $104500 - 193500 per year

Travelling Network Engineer (TSSCI)

Zachary Piper Solutions is seeking a Deployment Network Engineer to join a security and electronic systems business..., Telco, Demarc) Active Top Secret clearance with SCI eligibility Willing to travel 1 week per month, domestically...

Posted Date: 02 Oct 2025
Salary: $110000 - 170000 per year

Technical Lead Engineer - ICAM

of experience in Software Development, DevOps, or Systems Engineering Active TS/SCI with ability to obtain a Polygraph... must be US CITIZENS to be considered for the position Preferred Qualifications 1+ year of experience in ICAM systems Experience...

Company: Leidos
Location: Springfield, VA
Posted Date: 28 Sep 2025
Salary: $104650 - 189175 per year

Cloud Engineer

: Bachelor of Science or equivalent experience. Must have an existing and active TS/SCI security clearance. Experience in the...Job Description: ECS is seeking a Cloud Engineer to work in our Fairfax, VA office. Once accounts and access...

Company: ECS
Location: Springfield, VA
Posted Date: 12 Sep 2025