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Keywords: Software Engineer (TS/SCI with Polygraph REQUIRED), Location: Chantilly, VA

Page: 4

Cyber Security Engineer

must have an active TS/SCI security clearance with a Full Scope Polygraph. Applicant MUST hold a permanent U.S. citizenship...Kavaliro is seeking a Cyber Security Engineer to support a client in Virginia. Job Description: Technical Analysis...

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

Cyber Security Engineer

must have an active TS/SCI security clearance with a Full Scope Polygraph. Applicant MUST hold a permanent U.S. citizenship...Kavaliro is seeking a Cyber Security Engineer to support a client in Virginia. Job Description: Technical Analysis...

Company: Kavaliro
Location: Chantilly, VA
Posted Date: 09 Dec 2025

Facilities Mechanical Engineer

standards, and industry regulations. Basic Qualifications Ability to obtain and maintain a TS/SCI with Polygraph Bachelor...Description Leidos is seeking an experienced Facilities Mechanical Engineer to lead the design, maintenance...

Company: Leidos
Location: Chantilly, VA
Posted Date: 09 Dec 2025
Salary: $104650 - 189175 per year

Facilities Mechanical Engineer

standards, and industry regulations. Basic Qualifications Ability to obtain and maintain a TS/SCI with Polygraph Bachelor...Description Leidos is seeking an experienced Facilities Mechanical Engineer to lead the design, maintenance...

Company: Leidos
Location: Chantilly, VA
Posted Date: 09 Dec 2025
Salary: $104650 - 189175 per year

Senior Data Engineer

to a variety of complex engineering problems. Clearance Requirements: Must have a current/active TS/SCI w/Polygraph. Physical... with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development...

Company: ManTech
Location: Chantilly, VA
Posted Date: 06 Dec 2025

Cybersecurity Engineer - Zero Trust

Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Local... threats, and vulnerabilities within government data systems Qualifications: Required: An active TS/SCI with Poly...

Location: Chantilly, VA
Posted Date: 06 Dec 2025

Network Engineer - Senior

, High: 24 hours, Medium: 48 hours, Low: 72 hours) Desired Qualifications Active TS/SCI with CI Polygraph. Experience... for Sensitive Compartmented Information (SCI) and ability to obtain a Counterintelligence (CI) Polygraph. US Citizenship...

Company: Noblis
Location: Chantilly, VA
Posted Date: 06 Dec 2025

Network Engineer - Senior

hours) Desired Qualifications: Active TS/SCI with CI Polygraph. Experience designing and implementing networks... in Top Secret environments. Active Top Secret (TS) clearance with eligibility for Sensitive Compartmented Information (SCI...

Company: Noblis
Location: Chantilly, VA
Posted Date: 06 Dec 2025

Expert Systems Engineer - Sensor Integration

or projects. Clearance Active TS/SCI clearance, or the ability to obtain SCI access and pass a polygraph. Desired... Expert Systems Engineering Professional (ESEP) certification. Licensure as a Professional Engineer (PE). Software...

Posted Date: 06 Dec 2025

Systems Engineer/COTS Integrator

/current TS/SCI with Polygraph is required to be considered for this position. Physical Requirements Use hands to operate... with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development...

Company: ManTech
Location: Chantilly, VA
Posted Date: 06 Dec 2025

AI/ML Engineer

and respond based on those factors. Required Qualifications/Education: Clearance: Active TS/SCI clearance with Full Scope...AI/ML Engineer Rapid Cycle Solutions LLC (RCS) is an innovative small business providing IT and management consulting...

Posted Date: 05 Dec 2025

Senior Platform Engineer

Required Qualifications Active TS/SCI with Polygraph BS degree and 8+ years' experience. Additional experience in lieu of degree... Engineer will work with a large team of developers, software engineers, cybersecurity engineers, database administrators...

Company: Leidos
Location: Chantilly, VA
Posted Date: 05 Dec 2025
Salary: $104650 - 189175 per year

RF Engineer

/SCI with a Polygraph Education: Bachelor's in Engineering, Computer Science, or related technical degree Experience.../software. Education: Master's in Engineer, Computer Science, or related technical degree IT Networks: Good understanding...

Company: KBR
Location: Chantilly, VA
Posted Date: 05 Dec 2025

Senior Platform Engineer

Required Qualifications Active TS/SCI with Polygraph BS degree and 8+ years' experience. Additional experience in lieu of degree... Engineer will work with a large team of developers, software engineers, cybersecurity engineers, database administrators...

Company: Leidos
Location: Chantilly, VA
Posted Date: 05 Dec 2025
Salary: $104650 - 189175 per year

Lead 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... with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development...

Company: ManTech
Location: Chantilly, VA
Posted Date: 04 Dec 2025

Data Engineer

Requirements: Must have a current/active TS/SCI w/Polygraph. Physical Requirements: Must be able to remain in a stationary... with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development...

Company: ManTech
Location: Chantilly, VA
Posted Date: 04 Dec 2025

Satellite Communications Engineer

. An active TS/SCI security clearance is required to be considered for this position. An active TS/SCI with a polygraph is highly...JOB DESCRIPTION We’re seeking a communications engineer to support mission-critical communications for national...

Company: Leidos
Location: Chantilly, VA
Posted Date: 04 Dec 2025

Cloud Engineer

: Must have a current/active TS/SCI w/Polygraph. Physical Requirements: Must be able to remain in a stationary position 50% Needs... with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development...

Company: ManTech
Location: Chantilly, VA
Posted Date: 04 Dec 2025

Senior Cloud Engineer

: Must have a current/active TS/SCI w/Polygraph. Physical Requirements: Must be able to remain in a stationary position 50% Needs... with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development...

Company: ManTech
Location: Chantilly, VA
Posted Date: 04 Dec 2025

Senior Network Engineer

Requirements: Must have a current/active TS/SCI w/Polygraph. Physical Requirements: Must be able to remain in a stationary... with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development...

Company: ManTech
Location: Chantilly, VA
Posted Date: 04 Dec 2025