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GSSC Engineer Guidance Navigation Control

Job in Manhattan Beach, Los Angeles County, California, 90266, USA
Listing for: Northrop Grumman Corporation
Full Time position
Listed on 2026-01-13
Job specializations:
  • Engineering
    Software Engineer, Systems Engineer
Salary/Wage Range or Industry Benchmark: 80000 - 100000 USD Yearly USD 80000.00 100000.00 YEAR
Job Description & How to Apply Below
Position: GSSC Engineer Guidance Navigation Control - 17439

RELOCATION ASSISTANCE:
Relocation assistance may be available. CLEARANCE TYPE:
Secret. TRAVEL:
Yes, 10% of the Time.

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 are making history.

Northrop Grumman Defense Systems (NGDS) is seeking an Engineer Guidance Navigation Control to join our team in Manhattan Beach, CA
.

Responsibilities

The Minuteman III (MMIII) ICBM Operational Software Support Program (IOSSP) Targeting team is responsible for providing iterative updates to the MMIII Operational Targeting Software (MOTP) and the Strategic Targeting Support Software (STSS). These software updates maintain the readiness of the 450 MMIII missiles. The MOTP is a highly scientific 3

DOF missile targeting program that provides information to the on‑board flight computer, enabling it to direct a re‑entry vehicle to the intended target. The targeting process requires a complete mathematical model of the missile system and environment—propulsion, aerodynamics, dynamics, mass properties, reentry vehicle, climatology, geodesy, and gravity. The MOTP computes mission‑dependent constants (guidance, steering, control, fuzzing), which are used by the MMIII missile’s operational Ground and Flight Programs and re‑entry vehicle.

The STSS provides the software environment to execute the MOTP.

The Targeting team also maintains a high‑fidelity 6

DOF missile simulation to qualify the MOTP and the STSS.

The qualified candidate will be part of a multidisciplinary team of software engineers, system engineers, and physicists to make necessary software changes to meet the needs of the customer. The candidate will analyze physics‑based software code, software requirements, and implement code changes, update design documentation, unit‑test, and sell off requirements through formal testing. The candidate will also analyze and prototype software solutions for outstanding Operational Software Change Requests (OSCRs), and assist senior engineers to resolve anomalies promptly.

We are looking for a motivated individual who is detail‑oriented, diligent, and actively seeks to increase domain knowledge while proactively raising technical concerns or obstacles with senior developers and the product lead.

Position Benefits

As a full‑time employee of Northrop Grumman Space Systems, you are eligible for our robust benefits package, including:

  • Medical, Dental & Vision coverage
  • 401k
  • Educational Assistance
  • Life Insurance
  • Employee Assistance Programs & Work/Life Solutions
  • Paid Time Off
  • Health & Wellness Resources
  • Employee Discounts

This position’s standard work schedule is a 9/80. The 9/80 schedule allows employees who work a nine‑hour day Monday through Thursday to take every other Friday off. The role may offer a competitive relocation assistance package.

Basic Qualifications
  • 2 years of engineering experience with a Bachelor’s degree in a relevant field; 0 years with a Master’s or 4 additional years in lieu of a degree
  • Must be a U.S. citizen with the ability to obtain and maintain a U.S. Government DoD security clearance (Secret, Top Secret, etc.)
  • Experience with C/C++, MATLAB, and Python
  • Excellent written and verbal communication skills
  • Ability to work autonomously and collaboratively in a team setting
Preferred Qualifications
  • Experience with orbital mechanics, launch vehicle dynamics, and numerical methods
  • Experience developing, analyzing, and maintaining 3

    DOF or 6

    DOF simulations and simulation architecture
  • Experience with FORTRAN programming
  • Experience…
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