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

Page: 4

Senior Splunk Cyber Security Engineer

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

Company: ManTech
Location: Chantilly, VA
Posted Date: 23 Jan 2026

Expert Test Engineer

and techniques. Required Qualifications Active TS/SCI with Polygraph Bachelor’s degree in Computer Science, Engineering...Leidos is seeking a Test Engineer for a technical development program supporting the Sponsor’s Entitlement Programs...

Company: Leidos
Location: Chantilly, VA
Posted Date: 23 Jan 2026

Cyber Engineer

Job Title: Cyber Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS.../SCI with Polygraph Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Continental...

Location: Chantilly, VA
Posted Date: 23 Jan 2026
Salary: $58000 - 115900 per year

Senior Network Engineer

Engineering, or other IT-related discipline. Clearance Requirements: Must have a current/active TS/SCI w/Polygraph... with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development...

Company: ManTech
Location: Chantilly, VA
Posted Date: 23 Jan 2026

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

Company: ManTech
Location: Chantilly, VA
Posted Date: 23 Jan 2026

Site Reliability Engineer, Mid

such as Jira or ServiceNow TS/SCI clearance with a polygraph HS diploma or GED Ability to obtain a Security+ CE, SSCP, CCNA... for access to classified information; TS/SCI clearance with polygraph is required. Compensation At Booz Allen, we celebrate...

Location: Chantilly, VA
Posted Date: 23 Jan 2026
Salary: $62000 - 141000 per year

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: 23 Jan 2026

Lead Systems Engineer

, network objects, isolation, and micro-segmentation Clearance Requirements: Must have an active DoD TS/SCI with the ability... is seeking a motivated, career and customer-oriented Lead Systems Engineer to join our team in Chantilly, VA. This is a position...

Company: ManTech
Location: Chantilly, VA
Posted Date: 23 Jan 2026

Senior Principal Cyber Security Engineer

/active TS/SCI with Polygraph Physical Requirements: The person in this position 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: 23 Jan 2026

Data Engineer

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

Company: ManTech
Location: Chantilly, VA
Posted Date: 23 Jan 2026

Principal Cyber Security Engineer

, and tcpdump Clearance Requirements: Must have a current/active TS/SCI with Polygraph Physical Requirements: The person... with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development...

Company: ManTech
Location: Chantilly, VA
Posted Date: 23 Jan 2026

Senior Data 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: 23 Jan 2026

Principal Azure Cloud Engineer

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

Company: ManTech
Location: Chantilly, VA
Posted Date: 23 Jan 2026

Data Engineer

Data certification are a plus Clearance Requirements: Must possess a current and active TS/SCI with polygraph... Analytics and Software Development. Your journey to impactful work and rapid growth starts now-be extraordinary at MANTECH...

Company: ManTech
Location: Chantilly, VA
Posted Date: 23 Jan 2026

Senior Cyber Security Engineer

Benchmarks) Clearance Requirements: Must have a current/active TS/SCI with Polygraph Physical Requirements: The person... with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development...

Company: ManTech
Location: Chantilly, VA
Posted Date: 23 Jan 2026

Senior Network Deployment Engineer

and prioritize effectively. Clearance Requirements: Must have a current/active TS/SCI and be willing and able to obtain... a motivated, career and customer-oriented Senior Network Deployment Engineer to join our team in Chantilly, VA. This is an onsite...

Company: ManTech
Location: Chantilly, VA
Posted Date: 23 Jan 2026

Design Engineer (ND III) (Government)

/SCI with polygraph. (#ts/sci) (#polygraph) Required Qualifications: Candidate must have 16 years of experience that can... Engineer (Campus Area Network/Local Area Network (CAN/LAN)): To support our government customer’s global enterprise networks...

Company: AT&T
Location: Chantilly, VA
Posted Date: 22 Jan 2026
Salary: $98100 - 203000 per year

Cyber Systems Engineer

or kernel level TS/SCI clearance with a polygraph HS diploma or GED Nice If You Have: Experience with operating system... to classified information; TS/SCI clearance with polygraph is required. Compensation At Booz Allen, we celebrate...

Location: Chantilly, VA
Posted Date: 22 Jan 2026

Requirements Engineer

or Masters with 10+ years of prior relevant experience. Ability to obtain and maintain a TS/SCI with Polygraph post hire... a Requirements Engineer responsible for identifying, analyzing, documenting, validating, and managing system and software...

Company: Leidos
Location: Chantilly, VA
Posted Date: 22 Jan 2026
Salary: $131300 - 237350 per year

Requirements Engineer

or Masters with 10+ years of prior relevant experience. Ability to obtain and maintain a TS/SCI with Polygraph post hire... a Requirements Engineer responsible for identifying, analyzing, documenting, validating, and managing system and software...

Company: Leidos
Location: Chantilly, VA
Posted Date: 22 Jan 2026