El Segundo, California, United States · On-site
$135k–$170k/yr
Modern Technology Solutions, Inc. (MTSI) is seeking a Strategic Requirements Systems Engineer to join our team in El Segundo, CA. MTSI's National Security Solutions team provides high-end engineering and advanced technol…
Skills: Interface Control Documents (ICDs), Systems Engineering, Cybersecurity, Satellite Systems, Spacecraft Development
El Segundo, California, United States · On-site
$163k–$204k/yr
Modern Technology Solutions, Inc. (MTSI) is seeking a motivated and experienced Cryptography Security Engineer SME to join our team in El Segundo, CA. The MSEIT effort provides leading-edge Systems Engineering & Integrat…
Skills: Cryptography, Systems Engineering, NSA Certification Processes, Key Management, Cybersecurity
El Segundo, California, United States · On-site
$183k–$228k/yr
Modern Technology Solutions, Inc. (MTSI) is seeking a Senior Evolved Strategic Systems (ESS) Ground Systems Integration Engineer to join our team in El Segundo, CA. Due to security requirements, work is required to be on…
Skills: Systems Engineering, Ground Systems Integration, MILSATCOM, Digital Engineering, MBSE
El Segundo, California, United States · On-site
$140k–$200k/yr
Modern Technology Solutions, Inc. (MTSI) is seeking a Principal Program Systems Integration Engineer to join our team in El Segundo, CA. Due to security requirements, work is required to be on-site in a secure facility. …
Skills: Systems Engineering, Systems Integration, Digital Engineering, MILSATCOM, Technical Leadership
El Segundo, California, United States · On-site
$120k–$198k/yr
Electronic Design & Analysis Engineer – Mid-Level or Experienced Company: The Boeing Company Boeing Defense, Space & Security (BDS) is hiring for a Mid-Level or Experienced Electronic Design & Analysis Engineer (Level 3 …
Skills: Analog Circuit Design, Worst Case Circuit Analysis, Circuit Stress Analysis, Root Cause and Corrective Action, Electronic Test Equipment
El Segundo, California, United States · On-site
$90k–$150k/yr
About Rainmaker Rainmaker is pioneering a modern cloud-seeding system to increase precipitation, improve water availability, and address severe-weather challenges. We combine atmospheric science, weather-resistant UAS, r…
Skills: Satellite Remote Sensing, Python, Radiative Transfer, Microwave Sounders, Quantitative Analysis
El Segundo, California, United States · On-site
About Rainmaker Rainmaker is pioneering a modern cloud-seeding system to increase precipitation, improve water availability, and address severe-weather challenges. We combine atmospheric science, weather-resistant UAS, r…
Skills: Python, Radar Meteorology, Atmospheric Science, Signal Processing, Remote Sensing
El Segundo, California, United States · On-site
$160k–$220k/yr
About Rainmaker Rainmaker is pioneering a modern cloud-seeding system to increase precipitation, improve water availability, and address severe-weather challenges. We combine atmospheric science, weather-resistant UAS, r…
Skills: Machine Learning Research, Python, PyTorch, JAX, Statistical Judgment
El Segundo, California, United States · On-site
$127k–$214k/yr
Software Process Engineer (Experienced or Senior) Company: The Boeing Company The Boeing Company has an exciting opportunity for a Software Process Engineer to join our dynamic team in El Segundo, CA. Our teams are curre…
Skills: Software Process Engineering, Systems Engineering, DevSecOps, Agile Software Development, CMMI
El Segundo, California, United States · On-site
$146k–$239k/yr
Satellite Battery Electro-Mechanical Engineer Company: The Boeing Company The Integrated Design Engineering Organization is seeking a highly motivated Satellite Battery Electro-Mechanical Engineer to join the Space Missi…
Skills: Battery Pack Design, Solar Array Technology, CREO, 3-D Computer Aided Design, Geometric Dimensioning and Tolerancing
El Segundo, California, United States · On-site
$146k–$239k/yr
Satellite Battery Electro-Mechanical Engineer Company: The Boeing Company The Integrated Design Engineering Organization is seeking a highly motivated Satellite Battery Electro-Mechanical Engineer to join the Space Missi…
Skills: Battery Pack Design, Electro-Mechanical Engineering, CREO, 3-D Computer Aided Design, Geometric Dimensioning and Tolerancing
El Segundo, California, United States · On-site
About Rainmaker Rainmaker is pioneering a modern cloud-seeding system to increase precipitation, improve water availability, and address severe-weather challenges. We combine atmospheric science, weather-resistant UAS, r…
Skills: Python, Quantitative Analysis, Meteorological Data Analysis, Geospatial Science, Statistical Modeling
El Segundo, California, United States · On-site
$204k–$306k/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: Communications Architecture, Network Architecture, SATCOM, Space and Ground Network Design, R&D Leadership
El Segundo, California, United States · On-site
$120k–$198k/yr
Electronic Design & Analysis Engineer – Mid-Level or Experienced Company: The Boeing Company Boeing Defense, Space & Security (BDS) is hiring for a Mid-Level or Experienced Electronic Design & Analysis Engineer (Level 3 …
Skills: Analog Circuit Design, Worst Case Circuit Analysis, Circuit Stress Analysis, Root Cause and Corrective Action, Electronic Test Equipment
El Segundo, California, United States · On-site
About Rainmaker Rainmaker is pioneering a modern cloud-seeding system to increase precipitation, improve water availability, and address severe-weather challenges. We combine atmospheric science, weather-resistant UAS, r…
Skills: Python, Atmospheric Remote Sensing, Satellite Meteorology, Microwave Sounders, Data Validation
El Segundo, California, United States · On-site
$177k–$231k/yr
Senior Test Systems Design Engineer Company: The Boeing Company Boeing Defense, Space & Security (BDS) seeks a Lead Test Systems Design Engineer to our Special Test Equipment (STE) for Space Electronics team located in E…
Skills: Special Test Equipment Design, Circuit Design, RF and Mixed-Signal Systems, LabVIEW, TestStand
El Segundo, California, United States · On-site
$140k–$225k/yr
About Radiant Radiant is an El Segundo, CA-based startup building the world’s first mass-produced, portable nuclear microreactors. The company’s first reactor, Kaleidos, is a 1-megawatt, fail-safe microreactor that can b…
Skills: Thermal-Hydraulics Analysis, Coupled Physics Modeling, Reactor Systems Codes, Heat Transfer Analysis, Neutronics Coupling
El Segundo, California, United States · On-site
$120k–$198k/yr
Space Electronics Test Systems Design Engineer (Experienced/Lead) Company: The Boeing Company Boeing Defense, Space & Security (BDS) seeks Space Electronics Test Systems Design Engineers to join our Special Test Equipmen…
Skills: Circuit Design, Special Test Equipment, LabVIEW, Python, C#
El Segundo, California, United States · On-site
$118k–$225k/yr
Date Posted: 2026-07-24 Country: United States of America Location: US-CA-EL SEGUNDO-E06 ~ 2010 E El Segundo Blvd ~ BLDG E06 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Activ…
Skills: Model-Based Systems Engineering (MBSE), Agile Development, JIRA, Confluence, DOORS NG
El Segundo, California, United States · On-site
$177k–$231k/yr
Senior Test Systems Design Engineer Company: The Boeing Company Boeing Defense, Space & Security (BDS) seeks a Lead Test Systems Design Engineer to our Special Test Equipment (STE) for Space Electronics team located in E…
Skills: Circuit Design, RF Design, Mixed-Signal Systems, LabVIEW, TestStand
El Segundo, California, United States • On-site
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Develop and maintain Interface Control Documents (ICDs) for space and ground segments while managing technical risks and issue resolution. Provide subject matter expertise for contract change proposals and coordinate Interface Control Working Groups to ensure stakeholder alignment.
Requires a bachelor's degree in engineering or computer science with at least 8 years of experience in satellite systems and 5 years on DoD programs. Must be eligible for SECRET/TS/SCI clearance and possess strong proficiency in systems engineering tools like DOORS or Cameo.
MTSI is hiring and adding new positions on a regular basis across the country!
Modern Technology Solutions, Inc. (MTSI) is a 100% employee-owned engineering services and technology solutions company delivering first-choice capabilities to solve problems of global importance in the critical mission areas of missile defense, cyber security, intelligence, unmanned/autonomous systems, aviation, space, and homeland security. The MTSI mission is to make important and lasting contributions to the nation's defense and security by providing leadership and best- value solutions to solve America's most technically challenging strategic problems. Founded in 1993, MTSI today has employees at over 20 offices and field sites worldwide. For more information about MTSI, please visit www.mtsi-va.com. For current MTSI job openings, please visit www.mtsi-va.com/careers.
Offices: 5285 Shawnee Road, Suite 400, Alexandria, VA 22312, US · 360 Quality Circle NW, Huntsville, AL 35806, US · 3837 Colonel Glenn Hwy, Suite 300, Beavercreek, Ohio 45324, US · 2424 Garden of the Gods Rd, Suite 274, Colorado Springs, Colorado 80919, US · 7181 Amigo St, Las Vegas, Nevada, US
Based on 567 listings with disclosed salaries, most science & research jobs in El Segundo, CA pay between $99k–$225k per year. Individual offers vary with seniority, company size, and specialization.
There are currently 603 open science & research positions in El Segundo, CA listed on Clera. New openings are added daily as companies post roles.
Companies currently hiring include Boeing, The Aerospace Corporation, Varda Space Industries, Northrop Grumman, CHAOS Industries, among others. Browse the listings above to see every active employer.
Yes — 48 of the 603 open science & research positions offer remote or hybrid work (10 remote, 38 hybrid).
Each listing links directly to the employer's application page. Apply early — fresh listings get the most recruiter attention in the first two weeks.
