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Keywords: Principal Software Engineer, Location: Virginia

Page: 1

Principal Software Engineer (AI-Enabled Platforms & Tools)

This is not a maintenance role. This is a reinvention role. Leidos is seeking a Principal Software Engineer... modernization of mission-critical systems. This Principal Software Engineer role is responsible for system-level technical...

Company: Leidos
Location: Reston, VA
Posted Date: 31 Jan 2026

Principal Software Engineer, Enablement

Principal Software Engineer — Enablement This is not a maintenance role. This is a reinvention role.... We are looking for a Principal Software Engineer who doesn’t just build systems—but reshapes how they are conceived, delivered, and trusted...

Company: Leidos
Location: Reston, VA
Posted Date: 30 Jan 2026

AWS Full Stack Developer Software Engineer - Principal I

AWS Full Stack Developer Software Engineer - Principal I This is only open to current candidates that are US Citizens... advanced cybersecurity software capabilities as a key contributor within Agile Scrum teams. Support risk assessments...

Location: Dulles, VA
Posted Date: 29 Jan 2026
Salary: $120000 - 145000 per year

Principal / Sr. Principal Software Engineer

Software Engineer to work on the Whisper programs in Stafford, Virginia. The Whisper program is a large Antenna based Rf... are not only part of history, they're making history. Northrop Grumman, Defense Systems, is seeking a Principal / Sr. Principal...

Company: Northrop Grumman
Location: Virginia
Posted Date: 28 Jan 2026
Salary: $114000 - 171000 per year

Principal Systems Engineer - Embedded Tactical Software

Job Description: ECS is looking for a Principal Systems Engineer - Embedded Software Engineer to work Onsite... in Arlington, VA. The Principal Systems Engineer will provide senior-level technical oversight, quality assurance, and lifecycle...

Company: ECS
Location: Arlington, VA
Posted Date: 25 Jan 2026

Senior Principal/Staff Cyber Software Engineer

Job Description: Overview Byte Systems, a subsidiary of VTG, is seeking a Software Engineer to join our diverse...? For Senior Principal level: A Bachelor’s degree with 9+ years of relevant experience; OR a Master’s degree with 7+ years...

Company: VTG Defense
Location: Chantilly, VA
Posted Date: 25 Jan 2026

Senior Principal/Staff Cyber Software Engineer

Overview: Byte Systems, a subsidiary of VTG, is seeking a Software Engineer to join our diverse team at our Herndon... Experience with cross-domain systems Experience with JavaScript. Qualifications: For Senior Principal level: A Bachelor...

Company: VTG
Location: Chantilly, VA
Posted Date: 25 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... & Intelligence Sector is looking for a Software Engineer to join their diverse team in their Herndon, VA, office. The candidate...

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

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... on building and maintaining systems running in a containerized environment. For Senior Principal level: A Bachelor's degree...

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

Simulation / Principal Simulation Software Engineer

are not only part of history, they're making history. We have an opening for a Simulation Software Engineer/Principal Simulation... Software Engineer to join our team of qualified, diverse individuals in the Tactical Space Systems organization developing...

Company: Northrop Grumman
Location: Virginia
Posted Date: 21 Jan 2026
Salary: $91800 - 137600 per year

Principal Software Engineer – Training System Software (Onsite)

is required, as only U.S. citizens are eligible for a security clearance​ Security Clearance: DoD Clearance: Secret Principal Software Engineer... – Training System Software (Onsite) Role Description: We are searching for a Principal Software Engineer to join our team...

Location: Sterling, VA
Posted Date: 17 Jan 2026

Software Engineer / Principal Software Engineering

-Secret clearance at the time of application Principal Software Engineer: Bachelor’s degree in a STEM field (ideally... Work with agility, flexibility, and collaboration to explore creative ideas Basic Qualifications: Software Engineer...

Company: Northrop Grumman
Location: Virginia
Posted Date: 15 Jan 2026
Salary: $91800 - 137600 per year

Principal Senior Software Engineer

Software Engineer serves as the lead technical expert for the Veteran Experience Services Eligibility and Enrollment (VESEE... collaboration, career growth, and winning ideas. Military Veterans Encouraged to Apply. Job Description: The Principal Senior...

Location: McLean, VA
Posted Date: 15 Jan 2026
Salary: $170000 - 190000 per year

Principal / Sr. Principal Embedded Software Engineer

for an Embedded Software Engineer to join our team of qualified, diverse individuals in the Space Systems organization developing... space flight software platforms for NSS space programs. The individual we seek will be self-motivated, proactive, and goal...

Company: Northrop Grumman
Location: Virginia
Posted Date: 14 Jan 2026
Salary: $114000 - 171000 per year

Principal / Sr. Principal Software Simulation Engineer

across all levels This position can be hired as a Principal Engineer (level 3) or a Sr. Principal Engineer (level 4) depending... on experience. Basic Qualifications (Principal Systems Modeling Simulation Engineer): Bachelor’s degree and 5 years...

Company: Northrop Grumman
Location: Virginia
Posted Date: 14 Jan 2026
Salary: $114000 - 171000 per year

Principal Software Engineer- Signal Processing

As the Principal Software Engineer- Signal Processing , your main responsibilities will be: Develop and implement analytical...HawkEye 360 is seeking an engineer or scientist with a strong background in mathematics, physics, or electrical...

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

Lead Principal Software Engineer

Lead Principal Software Engineer with extensive experience in Python and Django to lead our development team. The ideal... Design and Development of Complex Fintech Software Solutions Collaborate with Cross-Functional Teams Mentor and guide...

Company: Allocore
Location: Arlington, VA
Posted Date: 10 Jan 2026

Principal/Sr. Principal Simulation Software Engineer

for a Principal/Sr. Principal Simulation Software Engineer to join our team of qualified, diverse individuals in the Tactical Space... across all levels. This position can be hired as a Principal Engineer (level 3) or an Sr. Principal Engineer (level 4) depending...

Company: Northrop Grumman
Location: Virginia
Posted Date: 08 Jan 2026
Salary: $114000 - 171000 per year

Elastic Principal Software Engineer

) DOM-TO9-3495 Software Engineer - Principal I - ESW05 Our Company Overview Business Computers Management Consulting Group... enablement, and software modernization. BCMC brings disruptive technologies, agility, and competitive offerings to customers...

Company: BCMC
Location: Dulles, VA
Posted Date: 07 Jan 2026

Principal CNO Software Engineer

Principal CNO Software Engineer Zetier is seeking Principal CNO Software Engineers to develop operationally critical...++) Experience developing in scripting languages (Python) Highly experienced in systems software development (Linux/Windows kernel...

Company: Zetier
Location: Arlington, VA
Posted Date: 06 Jan 2026