Referso Jobs

Principal / Sr. Principal Systems Engineer

Northrop Grumman · Posted Nov 11, 2026

Open

Bellevue, Nebraska, United States
Senior
$98K–$163K per year
5+ years

Principal / Sr. Principal Systems Engineer

Northrop Grumman · Posted Nov 11, 2026

Open

Bellevue, Nebraska, United States
Senior
$98K–$163K per year
5+ years

Principal / Sr. Principal Systems Engineer

Northrop Grumman · Posted Nov 11, 2026

Open

Bellevue, Nebraska, United States
Senior
$98K–$163K per year
5+ years

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Lead the design, development, and testing of embedded and application software for defense systems.

Compensation

Primary Level Salary Range: $98,400.00 - $163,200.00 Secondary Level Salary Range: $122,800.00 - $203,600.00

Responsibilities

Develop and execute software test plans and procedures
Design automated and manual test solutions for embedded and application software
Analyze requirements and formulate test cases, scenarios, and scripts
Integrate hardware, software, and test equipment for complete system testing
Document and track defects; work with development to resolve issues

Requirements

Bachelor's degree in STEM
Master's degree in STEM

Skills

Linux operating systems SQL queries embedded systems avionics defense systems Model Based Systems Engineering (MBSE) tools

Digital Twin Simulation Engineer

Booz Allen Hamilton · Posted Nov 10, 2026

Open

Beavercreek, Ohio, United States
Full-time · Senior
$87K–$198K per year

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Senior full stack developer supporting modeling & simulation for defense and aerospace systems.

Compensation

The projected compensation range for this position is $86,800.00 to $198,000.00 (annualized USD).

Responsibilities

Develop software and systems from vision to production
Master new tools and techniques
Identify system improvements
Ensure solutions consider current architecture and operating environment
Deploy distributed simulation interoperability

Requirements

Bachelor's degree
Nice to have: systems integration
Nice to have: troubleshooting complex software environments
Nice to have: space, air, maritime, land, or cyber mission modeling
Nice to have: large‑scale joint training exercises

Skills

C++C#Java Python modeling and simulation defense systems

Director, Systems Engineering & Architecture - Hivemind Enterprise

Shield AI · Posted Nov 6, 2026

Open

San Diego, California, United States
Full-time · Manager
15+ years

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Lead and manage the Systems Engineering & Architecture team for Shield AI’s Hivemind Enterprise organization, overseeing architecture, cybersecurity, safety, and airworthiness engineering to deliver dependable autonomous systems.

Compensation

Pay within range listed + Bonus + Benefits + Equity

Responsibilities

Lead the team: Hire, develop, and lead the SE&A engineering disciplines
Establish the operating model: Define how SE&A engages with product and engineering teams
Own requirements and architecture: Guide requirements development and management
Drive verification and validation planning: Establish system-level verification and validation strategies
Support software development: Integrate systems engineering and architecture into iterative planning

Requirements

A Degree in a relevant engineering or computer science discipline, or equivalent practical experience; an advanced technical degree is a plus
Nice to have: MBSE
Nice to have: Model-based systems engineering
Nice to have: SysML
Nice to have: Cameo

Skills

Systems Engineering Architecture Cybersecurity Engineering

Defense systems jobs

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