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System Security Engineer Level 3​/AHT

Job in Los Angeles, Los Angeles County, California, 90001, USA
Listing for: Relha LLC
Full Time position
Listed on 2026-10-18
Job specializations:
  • Engineering
    Systems Engineer, Cybersecurity
Salary/Wage Range or Industry Benchmark: 125000 - 188000 USD Yearly USD 125000.00 188000.00 YEAR
Job Description & How to Apply Below
System Security Engineer Level 3/4 (AHT)
RELOCATION ASSISTANCE:
Relocation assistance may be available CLEARANCE REQUIRED FOR START:
Yes

CLEARANCE TYPE:
Secret TRAVEL:
Yes, 10% of the Time Description

At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon.

We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work — and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history.

Northrop Grumman Defense Systems (DS) is seeking a System Security Engineer 3 or 4 to join a team responsible for developing next generation anti-tamper security solutions for weapon systems within the Advanced Weapons Business Unit located in Northridge, CA. Our Advanced Weapons team designs, develops, and manufactures missile systems that support U.S. national and allied security objectives.

This position is required to be full-time, on-site in the Northridge, CA location. No remote/telework arrangement is available for this position. Applicants must have a current US Government Secret clearance.

JOB DESCRIPTION:

The System Security Engineer level 3 or 4 should have a background with Anti-Tamper type projects to support protecting critical defense technologies, mission systems, and intellectual property from reverse engineering, exploitation, and unauthorized transfer by driving System Security Engineering (SSE) activities across our Advanced Weapons programs.

KEY RESPONSIBILITIES:

Analyzing system requirements, architectures, designs, and interfaces to identify AT Critical Program Information (CPI) and protection needs

Deriving and documenting AT requirements

Writing and maintaining AT Plans Developing and testing Verification & Validation (V&V) Procedures

Executing V&V of AT requirements, including test planning and verification of AT features by participation in design reviews, technical interchange meetings, and security assessments

Preparing and delivering briefings, reports, and technical documentation to internal leadership and government customers

Collaborating SSE activities with systems, software and hardware to integrate AT into weapon system design and implementation

Providing technical input to risk management activities and assist in tracking and mitigating AT-related program risks and issues

Strategic planning of AT technology development

Participating in communities of practice to further domain knowledge

Reverse Engineering to architect and validate AT solutions

The successful candidate should have a foundation in System Engineering with a focus on anti-tamper, cybersecurity, embedded software and/or hardware development. The SSE interfaces with other engineering disciplines to develop the complete system security solution.

This position may be filled at a higher grade based on the qualifications listed below.

BASIC QUALIFICATIONS (Level
3):

BS degree in Engineering, Computer Science, or a related STEM discipline with 5+ years of general technical experience; or MS with 3+ years of general technical experience

Systems Engineering knowledge of weapon systems platforms, sensors and/or sub-systems

Familiarity with embedded software or hardware, hardware design, architecture and/or integration

Familiarity with…

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