Northrop Grumman’s Defense System's, Advanced Weapons Division is looking for a Software Systems Engineer-Level 3/4, located in Northridge, CA. This role will be 100% on-site with no hybrid opportunities. A current government issued secret clearance is required to start.
This person will support the Stand in Attack Weapon (SiAW) Program. As a member of the Software team, you’ll work in a fast-paced environment as the go between for the Software Engineering functional group and the Systems Engineering functional group. Candidate should possess Systems Engineering discipline knowledge with strong embedded software familiarity. Candidate will be responsible for analyzing, allocating requirements and specifications with various stakeholders.
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.
Basic Qualifications Principal Software Systems Engineer (Level 3):
- 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; or a Master’s of Science with 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
Basic Qualifications Sr. Principal Software Systems Engineer (Level 4):
- Bachelor of Science in an Engineering discipline and a minimum of eight (8) 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 six (6) 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 Qualifications:
- 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.
Skills Required
- Bachelor of Science in an Engineering discipline and a minimum of five (5) years systems engineering experience (or Master of Science and minimum of three (3) years)
- Bachelor of Science in an Engineering discipline and a minimum of eight (8) years systems engineering experience (or Master of Science and minimum of six (6) years)
- Experience with requirements and systems engineering tools such as DOORS
- Experience with CAMEO / Cameo Enterprise Architecture (behavioral, structural, analytical)
- Experience in embedded software and ability to read and verify code against software requirements specifications
- Experience with system/subsystem/software/hardware integration, test, and verification
- Experience in the defense industry and aerospace design environment
- Current US Government Secret security clearance adjudicated within the past 5 years
- Experience in multiple aerospace and defense technologies (sensors, navigation, guidance, controls, propulsion, structures) and mission-area knowledge
- Experience assessing legacy system architecture and innovating for future technology development
Northrop Grumman Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Northrop Grumman and has not been reviewed or approved by Northrop Grumman.
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Retirement Support — 401(k) matching is considered strong, with additional defined-benefit coverage for certain cohorts and options like catch-up contributions. Retirement programs are repeatedly highlighted as a core strength of the total rewards.
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Leave & Time Off Breadth — PTO, company-paid holidays, and compressed work schedules (such as 9/80) provide meaningful time away and flexibility. These scheduling options are cited as a major quality-of-life benefit across many locations.
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Parental & Family Support — Paid parental leave alongside caregiver leave, adoption assistance, and back-up care supports a range of family needs. These programs have been expanded recently, signaling continued investment in family support.
Northrop Grumman Insights
What We Do
We are a close-knit community of big thinkers collaborating to keep the world safe. Our passion, creativity and expertise bring next-level technology solutions to life in autonomous systems, cyber, C4ISR, strike, space, and logistics and modernization for our customers around the globe. On the Northrop Grumman team, you’ll join our pursuit of excellence immersed in a dynamic culture of innovation and respect. Your unique perspective will help achieve our shared vision for the future of global security. Every step of the way, you'll be supported by world-class training, employee resource groups and a comprehensive benefits package that enables greater health and happiness for you and your family. Worldwide and across disciplines, we’re challenging what’s possible for technology to protect people and places from undersea to outer space and into cyberspace. And we see the impact of our performance every day. We are Northrop Grumman, and we work on what matters—now, you too can make a difference. Explore opportunities in engineering, IT, manufacturing, business management, cybersecurity and more with us. Northrop Grumman is committed to hiring and retaining a diverse workforce. We are proud to be an Equal Opportunity/Affirmative Action Employer.







