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Keywords: Software Engineer TS/SCI, Location: Sterling, VA

Page: 3

Software Test Engineer

LMCareers Business Unit SPACE Security Clearance TS/SCI w/Poly Shift First Direct/Indirect Direct... US Citizenship. Applicant currently must possess a TS/SCI with Poly Clearance. Desired skills Experience with Web and GUI...

Company: Lockheed Martin
Location: Herndon, VA
Posted Date: 07 Jan 2026
Salary: $84300 - 146165 per year

Software Engineer

years of experience maybe considered in lieu of a degree requirement. Active TS/SCI with polygraph, or TS with SCI...Responsibilities Responsibilities: The selected candidate should have experience with agile software methodology...

Company: Peraton
Location: Herndon, VA
Posted Date: 24 Dec 2025

Software Engineer SME

clearance with SCI access (TS/SCI) no expections. Preferred Qualifications CI polygraph and Security+ certified Benefits...Northstrat is seeking a Jr, Mid, Sr, and SME Software Engineers to join our dynamic team. The ideal candidate...

Company: Northstrat
Location: Sterling, VA
Posted Date: 21 Nov 2025

Software Development Team Lead

Required to Start: TS/SCI Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Continental... engineer - Assist in determining technical direction for the software product - Conduct / lead design reviews - Conduct...

Location: Sterling, VA
Posted Date: 10 Dec 2025

Integrated Product Team Chief Engineer (Onsite)

for a security clearance Security Clearance Type: DoD Clearance: TS/SCI Security Clearance Status: Active and existing security... security clearance: Required after start date, ensuring eligibility to work on classified projects. Necessitates TS/SCI level...

Location: Sterling, VA
Posted Date: 31 Jan 2026

Machine Learning Engineer, WWPS ProServe Data and Machine Learning

requires that the candidate selected must currently possess and maintain an active TS/SCI security clearance with polygraph... Engineer to join our team at Amazon Web Services (AWS). Are you looking to work at the forefront of Machine Learning...

Company: Amazon
Location: Herndon, VA
Posted Date: 28 Jan 2026

Product Management Engineer

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

Company: ManTech
Location: Herndon, VA
Posted Date: 28 Jan 2026

Senior Cybersecurity Malware Reverse Engineer

to obtain and maintain a TS/SCI. The ability to obtain and maintain a DHS EOD suitability is required prior to starting...*** ManTech seeks a motivated, career and customer-oriented Senior Cybersecurity Malware Reverse Engineer to join our team in the...

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

Mission Solutions SAFe Agile Engineer

Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Local... will be considered, Active Top Secret//Sensitive Compartmented Information with Counterintelligence Information (TS/SCI) Desired...

Location: Sterling, VA
Posted Date: 23 Jan 2026
Salary: $82100 - 172400 per year

Product Management Engineer

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

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

Lead Network and Infrastructure Engineer

frameworks (FedRAMP, FISMA, CMMC) Clearance Requirements: Must have active TS/SCI with Polygraph Physical Requirements... with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development...

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

Systems Engineer - ISSE

. Security Clearance Level: TS/SCI with active polygraph Desired Certifications: Cyber security certification...Type of Requisition: Pipeline Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level...

Company: General Dynamics
Location: Herndon, VA
Posted Date: 22 Jan 2026

Digital Signal Processing Engineer

centered around signal processing and software development Ability to obtain TS SCI with POLY These Qualifications...Digital Signal Processing Engineer Job Category: Engineering Time Type: Full time Minimum Clearance...

Location: Sterling, VA
Posted Date: 21 Jan 2026

Database Engineer

years of experience may be considered in lieu of degree. Active TS/SCI with polygraph OR TS/SCI with ability to pass...Responsibilities What you'll do: The Database Engineer – Mid Level will be responsible for the following...

Company: Peraton
Location: Herndon, VA
Posted Date: 17 Jan 2026
Salary: $112000 - 179000 per year

Product Owner/Systems Engineer

support, hardware and software developers, and adjacent programs. Qualifications: Required: Current Top Secret (TS...Product Owner/Systems Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start...

Location: Sterling, VA
Posted Date: 16 Jan 2026
Salary: $94400 - 198200 per year

Principal Systems Engineer - RF/SATCOM

communications, and adaptive networking, along with an active TS/SCI clearance and willingness to travel as needed. As the Principal...HawkEye 360 is seeking an experienced RF/SATCOM Systems Engineer with a strong background in electrical engineering...

Company: HawkEye 360
Location: Herndon, VA
Posted Date: 10 Jan 2026
Salary: $170000 - 200000 per year

System Engineer

ability to make an immediate impact on day-to-day operations within our team. Qualifications TS/SCI with FSP... in software, hardware, communications and security, and leveraging decades of operational experience to deliver exceptional value...

Posted Date: 07 Jan 2026

Hardware Reverse Engineer, Senior

Required to Start: TS/SCI Employee Type: Regular Percentage of Travel Required: Up to 25% Type of Travel: Local * * The... Create documentation outlining results of exploitation efforts Qualifications: Required: An active TS/SCI clearance...

Location: Sterling, VA
Posted Date: 31 Dec 2025

Digital Signal Processing Engineer

. Ability to obtain and maintain a TS/SCI clearance. Desired Master’s degree (or progress toward one) in a relevant...Digital Signal Processing Engineer Job Category: Engineering Time Type: Full time Minimum Clearance...

Location: Sterling, VA
Posted Date: 25 Dec 2025
Salary: $66700 - 133300 per year

Cyber Reverse Engineer

Cyber Reverse Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI... and reverse engineer software binaries and embedded firmware on traditional and embedded systems to identify functional behavior...

Location: Sterling, VA
Posted Date: 25 Dec 2025
Salary: $79400 - 162700 per year