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Keywords: Systems Engineer - Active Security Clearance, Location: Reston, VA

Page: 3

Full-Stack Software Engineer with TS/SCI - Herndon, VA

Full-Stack Software Engineer Herndon, VA Active TS/SCI clearance and be willing and able to obtain a CI polygraph... retrieving and ingesting data. Minimum Requirements: Must be a US citizen. Current Top Secret security clearance w/ SCI...

Company: @Orchard
Location: Herndon, VA
Posted Date: 28 Jan 2026

DevOps Engineer - TS/SCI

DevOps Engineer Herndon, VA Active TS/SCI clearance and be willing and able to obtain a CI polygraph... in Computer Science, Information Systems or related discipline. Security+ or comparable certification for privileged user access...

Company: @Orchard
Location: Herndon, VA
Posted Date: 28 Jan 2026

Full-Stack Software Engineer with TS/SCI - Herndon, VA

Full-Stack Software Engineer Herndon, VA Active TS/SCI clearance and be willing and able to obtain a CI polygraph... retrieving and ingesting data. Minimum Requirements: Must be a US citizen. Current Top Secret security clearance w/ SCI...

Company: @Orchard
Location: Herndon, VA
Posted Date: 28 Jan 2026

Data Engineer (Azure Synapse ETL/SQL)

and in writing. Must be able to obtain or have an Active Secret (or higher) clearance. Interim clearances acceptable...Responsibilities Peraton is seeking a Data Engineer (Azure Synapse ETL/SQL) to join our team of qualified, diverse...

Company: Peraton
Location: Herndon, VA
Posted Date: 25 Jan 2026
Salary: $86000 - 138000 per year

Senior Principal/Staff Cyber Software Engineer CI Poly

MUST HAVE AN ACTIVE TS/SCI WITH CI POLY CLEARANCE Software Engineer IV We are looking for a Software Engineer.../Linux TS/SCI with Poly MUST HAVE AN ACTIVE TS/SCI WITH CI POLY CLEARANCE Desired: Security+ or equivalent...

Company: SHLD, Inc.
Location: Herndon, VA
Posted Date: 23 Jan 2026

Senior Principal/Staff Cyber Software Engineer (TS/SCI)

MUST HAVE AN ACTIVE TS/SCI WITH ABILITY TO OBTAIN TO PASS A POLY CLEARANCE Software Engineer IV Our client's Space... serialization (JSON, XML). TS/SCI with ability to pass a poly MUST HAVE AN ACTIVE TS/SCI CLEARANCE Desired: Knowledge of API...

Company: SHLD, Inc.
Location: Herndon, VA
Posted Date: 23 Jan 2026

Satellite Network Engineer

. Strong understanding of radar phased array T/R module design and modeling. Security Clearance Requirement: An active Top Secret SCI... converters, amplifiers, MMICs, MCMs, and TRMs. Reverse engineer legacy RF hardware systems to develop obsolescence plans...

Company: Parsons
Location: Reston, 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...Unlock the secrets of intelligence with MANTECH! Join a dynamic team at the forefront of national security, providing...

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

Product Management Engineer

Unlock the secrets of intelligence with MANTECH! Join a dynamic team at the forefront of national security, providing... a motivated, career- and customer-oriented Product Management Engineer to join our team in Herndon, VA. In this role...

Company: ManTech
Location: Herndon, VA
Posted Date: 22 Jan 2026

Federal Cybersecurity Engineer

to candidates with active SCI DoD security clearance, or candidate must be clearable per contract requirements Must be local to DC... Assist determining typical sets of controls such as firewalls, security of business systems, data leakage protection systems...

Company: Groundswell
Location: Reston, VA
Posted Date: 22 Jan 2026
Salary: $104429 - 184998 per year

Release Train Engineer

Required Qualifications: Active (currently in use) TS/SCI clearance with polygraph or TS/SCI with the ability to successfully pass...Responsibilities The Release Train Engineer will be responsible for the following, but not limited to: Manages...

Company: Peraton
Location: Herndon, VA
Posted Date: 22 Jan 2026

Network Engineer - VERSA Surge Support

, VA Active U.S. Government Security Clearance required... and systems support – critical for network visibility, monitoring, and automated operations Open Skillsets Needed 1. Network...

Posted Date: 18 Jan 2026

Network / Communications Engineer

with VSAT systems and training methodologies. Security Clearance Requirement: An active Top Secret SCI security clearance... / Communications Engineer to join our team! In this role you will get to research, design, plan, develop, and implement of advanced...

Company: Parsons
Location: Reston, VA
Posted Date: 17 Jan 2026

Electrical Spectrum Engineer

Spectrum Engineer will plan, coordinate, and integrate complex communications and sensing systems, ensuring effective... · Excellent communication skills for executive-level engagement · Active Secret clearance Compensation for the Electrical...

Location: Reston, VA
Posted Date: 16 Jan 2026
Salary: $110000 - 155000 per year

Satellite Network Engineer (Full Performance, Senior)

T/R module design and modeling. Security Clearance Requirement: An active Top Secret SCI security clearance... converters, amplifiers, MMICs, MCMs, and TRMs. Reverse engineer legacy RF hardware systems to develop obsolescence plans...

Company: Parsons
Location: Reston, VA
Posted Date: 14 Jan 2026

Senior Electrical Engineer (TEMPEST)

security clearance. PREFERRED QUALIFICATIONS Full understanding of MIL-STD-461 and relevant military electromagnetic... to the defense industry, Anduril is changing how military systems are designed, built and sold. Anduril's family of systems...

Location: Reston, VA
Posted Date: 11 Jan 2026
Salary: $146000 - 194000 per year

Senior Data Engineer

certification Active Secret Security Clearance Job: Full-time Location: Fully-Remote Salary Range: $150k - $170k/yr.... If this resonates with you, then come make a difference at Forge. Requirement: Senior Data Engineer Job Description: Forge requires...

Company: Forge Group, LLC
Location: Reston, VA
Posted Date: 09 Jan 2026
Salary: $150000 - 170000 per year

Data Center Engineer - TS/SCI CI Poly

Engineer must hold an active TS/SCI with CI Polygraph clearance. Responsibilities for the Data Center Engineer - TS/SCI... for the Data Center Engineer - TS/SCI CI Poly include: · Active TS/SCI with CI Polygraph clearance · Over 5 years...

Location: Reston, VA
Posted Date: 08 Jan 2026
Salary: $130000 - 170000 per year

Directory Services Engineer

Directory Services Engineer The Opportunity: Everyone knows security needs to be “baked in” to a system... systems such as Jira or Confluence Experience with a JVM-based scripting language such as Java or Groovy Active TS/SCI...

Location: Reston, VA
Posted Date: 25 Dec 2025
Salary: $86800 - 198000 per year

Senior DevSecOps Engineer (TS/SCI)

. Note on Cleared Roles: If this position requires an active U.S. Government security clearance, applicants who... U.S. Government Security Clearance at the TS/SCI level. Vantor seeks a cleared and seasoned Senior DevSecOps Engineer to play a key...

Location: Herndon, VA
Posted Date: 25 Dec 2025
Salary: $165000 - 180000 per year