El Segundo, California, United States · On-site
$114k–$213k/yr
RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Secret TRAVEL: Yes, 25% of the TimeDescription At Northrop Grumman, our employees have incredible opportunit…
Skills: Systems Engineering, Model-Based Systems Engineering (MBSE), SysML, Requirements Management, Risk Management
El Segundo, California, United States · Hybrid
$100k–$130k/yr
The Aerospace Corporation is the trusted partner to the nation’s space programs, solving the hardest problems and providing unmatched technical expertise. As the operator of a federally funded research and development ce…
Skills: Constellation Design, Orbital Mechanics, Python, C, C++
El Segundo, California, United States · On-site
$87k–$130k/yr
The Aerospace Corporation is the trusted partner to the nation’s space programs, solving the hardest problems and providing unmatched technical expertise. As the operator of a federally funded research and development ce…
Skills: Model-Based Systems Engineering, Mission Engineering, Digital Engineering, SysML, UAF
El Segundo, California, United States · On-site
$117k–$227k/yr
The Aerospace Corporation is the trusted partner to the nation’s space programs, solving the hardest problems and providing unmatched technical expertise. As the operator of a federally funded research and development ce…
Skills: Electromagnetic Warfare, SATCOM RF, Systems Engineering, Link Budget Analysis, Requirements Development
El Segundo, California, United States · On-site
$96k–$182k/yr
Date Posted: 2026-06-22 Country: United States of America Location: US-CA-EL SEGUNDO-E02 ~ 2002 E El Segundo Blvd ~ BLDG E02 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Activ…
Skills: System Safety Engineering, Software Safety Engineering, MIL-STD-882E, Hazard Analysis, Risk Mitigation
El Segundo, California, United States · On-site
$133k–$257k/yr
The Aerospace Corporation is the trusted partner to the nation’s space programs, solving the hardest problems and providing unmatched technical expertise. As the operator of a federally funded research and development ce…
Skills: Electro-Optical Engineering, Systems Engineering, Project Management, Integration Testing, Risk Mitigation
El Segundo, California, United States · On-site
$99k–$215k/yr
Spacecraft Systems Engineer (Experienced) - Millennium Space Systems Company: Millennium Space Systems Millennium Space Systems, a part of Boeing Defense, Space and Security (BDS), is a fast, agile small satellite compan…
Skills: Space Systems Engineering, Requirements Analysis, Model-Based Systems Engineering, Design Verification and Validation, Configuration Management
El Segundo, California, United States · On-site
$99k–$215k/yr
Spacecraft Systems Engineer (Experienced) - Millennium Space Systems Company: Millennium Space Systems Millennium Space Systems, a part of Boeing Defense, Space and Security (BDS), is a fast, agile small satellite compan…
Skills: Space Systems Engineering, Requirements Analysis, Model-Based Systems Engineering, Design Verification and Validation, Configuration Management
El Segundo, California, United States · On-site
$143k–$165k/yr
Istari's software doesn't just get handed off, it gets deployed into some of the most complex engineering environments in aerospace and defense. As a Forward Deployed Engineer, you'll be embedded directly inside our cust…
Skills: Software Engineering, System Architecture, CAD Integration, CFD Integration, FEM Integration
El Segundo, California, United States · On-site
$130k–$160k/yr
Design Manager Description Balfour Beatty is seeking a Design Manager to join our team in Southern Calif supporrting OC and LA offices. The DM Coordinates and integrates with the owner, the builder and their trades, and …
Skills: Design Management, Project Coordination, Permitting Processes, Cost Control, Constructability Review
El Segundo, California, United States · On-site
Overview Stellar Solutions, a nationally recognized “Great Place To Work,” delivers engineering solutions across commercial space and national security missions—from innovative new entrants to established space systems o…
Skills: Systems Engineering, Mission Engineering, Requirements Development, Technical Governance, Acquisition Support
El Segundo, California, United States · On-site
Overview Stellar Solutions, a nationally recognized “Great Place To Work,” delivers engineering solutions across commercial space and national security missions—from innovative new entrants to established space systems o…
Skills: Program Management, Acquisition Support, Radar Remote Sensing, Synthetic Aperture Radar, Requirements Development
El Segundo, California, United States · On-site
Overview Stellar Solutions, a nationally recognized “Great Place To Work,” delivers engineering solutions across commercial space and national security missions—from innovative new entrants to established space systems o…
Skills: Mission Integration, CONOPS Development, Mission Thread Analysis, Effects-Chain Analysis, Cross-Domain Integration
El Segundo, California, United States · On-site
$155k–$200k/yr
About Varda Low Earth orbit is open for business. Varda is accelerating the development of commercial space infrastructure, from in-orbit pharmaceutical processing to reliable and economical reentry capsules. From life-s…
Skills: Combustion Device Architecture, Mechanical Design, Propulsion Engineering, Chemical Propulsion Systems, CAD
El Segundo, California, United States · On-site
$117k–$227k/yr
The Aerospace Corporation is the trusted partner to the nation’s space programs, solving the hardest problems and providing unmatched technical expertise. As the operator of a federally funded research and development ce…
Skills: Structural Engineering, Metallics, Systems Engineering, Technical Project Management, Launch Vehicle Design
El Segundo, California, United States · On-site
$156k–$234k/yr
The Aerospace Corporation is the trusted partner to the nation’s space programs, solving the hardest problems and providing unmatched technical expertise. As the operator of a federally funded research and development ce…
Skills: Supply Chain Risk Management, Electronic Parts Engineering, Radiation Testing, Industrial Base Analysis, Project Management
El Segundo, California, United States · On-site
$121k–$181k/yr
The Aerospace Corporation is the trusted partner to the nation’s space programs, solving the hardest problems and providing unmatched technical expertise. As the operator of a federally funded research and development ce…
Skills: Software Architecture, System Design, Systems Integration, Cloud-native Architectures, Containerization
El Segundo, California, United States · On-site
$173k–$329k/yr
Date Posted: 2026-06-19 Country: United States of America Location: US-CA-EL SEGUNDO-R01 ~ 2000 E Imperial Hwy ~ BLDG R01 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The abil…
Skills: Program Management, Capture Management, Earned Value Management Systems, Foreign Military Sales, Direct Commercial Sales
El Segundo, California, United States · On-site
$135k–$169k/yr
Title: ESS Terminals Systems Engineer Belong. Connect. Grow. with KBR! KBR’s National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and natio…
Skills: Systems Engineering, Protected SATCOM Terminals, System Architecture, Requirements Management, Interface Control Documents (ICDs)
El Segundo, California, United States · On-site
$121k–$181k/yr
The Aerospace Corporation is the trusted partner to the nation’s space programs, solving the hardest problems and providing unmatched technical expertise. As the operator of a federally funded research and development ce…
Skills: Systems Engineering, Spacecraft Development, Requirements Development, Capability Evaluation, Project Leadership
El Segundo, California, United States • On-site
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Lead the development of system-level architectures and concepts of operations for advanced aeronautics programs. Coordinate cross-disciplinary engineering teams and apply MBSE using SysML to maintain system models and traceability.
Requires a STEM degree and 5-8+ years of experience depending on the level, along with an active US Government Secret clearance. Must be proficient in MBSE, SysML, and requirements management tools like DOORS or Polarion.
Northrop Grumman Aeronautics Systems has an opening for a Principal/Sr. Principal Systems Engineer to join the team of qualified individuals on our Research and Advanced Design organization. This role is located onsite in Redondo Beach AND El Segundo, CA.
This role may be filled at the Principal OR Senior Principal level based on the qualifications listed, below
In this role, the Principal/Sr. Principal Systems Engineer will lead system-level architecture definition and systems engineering activities for advanced aeronautics programs in the R&AD organization. The role requires strong general systems engineering skills including requirements management, risk management, architecture development, and hands-on experience with Model-Based Systems Engineering (MBSE) and SysML. The Principal/Sr. Principal Systems Engineer will define and evolve architectures for high-performance aircraft and/or unmanned systems, guide trade studies, and mentor multidisciplinary teams through concept, design, integration, and V&V phases.
We offer flexible work arrangements, 9/80 work schedule with every other Friday off, phenomenal learning opportunities, exposure to a wide variety of projects and customers, and a very friendly team environment. We are looking for self-motivated, proactive, and goal-oriented people to help us grow our services and become even better at what we do.
Must have an active US Government Secret (or higher) clearance (with a background investigation within the past 6 years or enrolled into Continuous Evaluation)
Must have the ability to obtain and maintain Special Access Program (SAP) clearance, within a reasonable amount of time as determined by business needs.
Must have experience with Model-Based Systems Engineering (MBSE) and SysML—creating and maintaining SysML models and using MBSE to support requirements, design, and verification.
Must have experience with requirements management (tools such as DOORS, Polarion, or equivalent), including requirements decomposition and traceability.
Must have experience in risk management methods (e.g., FMEA, FTA, risk registers) and applying risk-informed design decisions.
Must have experience developing system architectures, interface control documents (ICDs), and performing system-level trade studies.
Must have familiarity with systems engineering lifecycle processes (V-model) and standards (e.g., INCOSE SE Handbook).
Must have communication, leadership, and stakeholder management skills; ability to present complex technical material clearly.
Must have an active US Government Secret (or higher) clearance (with a background investigation within the past 6 years or enrolled into Continuous Evaluation)
Must have the ability to obtain and maintain Special Access Program (SAP) clearance, within a reasonable amount of time as determined by business needs.
Must have experience with Model-Based Systems Engineering (MBSE) and SysML—creating and maintaining SysML models and using MBSE to support requirements, design, and verification.
Must have experience with requirements management (tools such as DOORS, Polarion, or equivalent), including requirements decomposition and traceability.
Must have experience in risk management methods (e.g., FMEA, FTA, risk registers) and applying risk-informed design decisions.
Must have experience developing system architectures, interface control documents (ICDs), and performing system-level trade studies.
Must have familiarity with systems engineering lifecycle processes (V-model) and standards (e.g., INCOSE SE Handbook).
Must have communication, leadership, and stakeholder management skills; ability to present complex technical material clearly.
Northrop Grumman Mission Systems, Inc. is a company based out of 12011 Sunset Hills Rd, Reston, Virginia, United States.
Offices: 12011 Sunset Hills Rd, Reston, Virginia 20190, US
View all jobs at Northrop Grumman Mission Systems, Inc.Based on 1015 listings with disclosed salaries, most engineering jobs in El Segundo, CA pay between $92k–$220k per year. Individual offers vary with seniority, company size, and specialization.
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