Northrop Grumman · 6 hours ago
Principal Software Systems Engineer (AHT)
Los Angeles, CA
Full-time
Onsite
Senior Level, Lead/Staff
$114K/yr - $171K/yr
5+ years expNorthrop Grumman is a leading defense contractor that provides revolutionary systems impacting lives globally. They are seeking a Principal Software Systems Engineer to support the Stand in Attack Weapon Program, working closely with both Software and Systems Engineering teams to translate and verify software requirements.
AerospaceData IntegrationManufacturingRemote SensingSecurity
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Responsible for translating system/subsystem level software requirements into software level requirements for each CSCI
Work with System and Software engineers to develop software architecture models
Support Verification and Validation of software product to ensure all integrated CSCIs function as intended
Experience in systems engineering including requirements analysis, requirements allocation, system design, software design, software implementation, software testing, system integration, field integration testing, and requirements verification
Experience in software/systems architecture using Cameo Enterprise Architecture (behavioral, structural, analytical) to develop use cases, activity diagrams and sequence diagrams
Familiarity in Writing Software Test Plans and Test Descriptions and running tests
Qualification
Required
Bachelor of Science in an Engineering discipline and a minimum of five (5) years of systems engineering experience with any exposure to requirements development and verification activities; will consider Master of Science in an Engineering discipline and a minimum of three (3) years of systems engineering experience with any exposure to requirements development and verification activities
Experience in systems engineering tools, such as DOORS, CAMEO
Experience in Embedded Software, and ability to read code and verify the implementation per Software Requirements Specifications
Experience with system/subsystem/software/hardware integration, test, and verification
Experience in the defense industry and design in an aerospace environment
Current US Government Secret security clearance, adjudicated within the past 5 years
Preferred
Experience in multiple aerospace and defense technologies (e.g., sensors, navigation aids, guidance electronics, controls, propulsion, structures, platforms)
Have technical knowledge in one or more military mission areas (e.g., Air, Land, Sea, Space, Cyber)
Experience in assessing legacy system architecture and innovation for future potential technology development
Benefits
Health insurance coverage
Life and disability insurance
Savings plan
Company paid holidays
Paid time off (PTO) for vacation and/or personal business
Company
Northrop Grumman
Northrop Grumman is an aerospace, defense and security company that provides training and satellite ground network communications software.
10001+ employees
Funding
Current Stage
Public CompanyTotal Funding
$3.7BKey Investors
U.S. Department of DefenseNASA
2025-05-27Post Ipo Debt· $1B
2024-01-29Post Ipo Debt· $2.5B
2023-12-20Grant· $72M
Leadership Team
Tom Wilson
Corporate Vice President, Enterprise Business Development
Jeffrey Worsham
Chief Product Owner - Advanced Technology Development
Recent News
2026-01-24
2026-01-23
alleywatch.com
2026-01-20
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