Date Posted: 2026-08-11 Country: United States of America Location: US-CA-EL SEGUNDO-E01 ~ 2000 E El Segundo Blvd ~ BLDG E01 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Activ…
Skills: Systems engineering, Modeling and simulation, Satellite constellations, Orbital dynamics, Satellite communications
WebMD is the most recognized and trusted brand of health information and the leading provider of health information services, serving consumers, physicians, healthcare professionals, employers and health plans through ou…
Skills: Windows Server Administration, PowerShell, Cloud Infrastructure, Google Cloud Platform, Microsoft Azure
RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the TimeDescription At Northrop Grumman, our employees have incredible opportunit…
Skills: Artificial Intelligence, Machine Learning, Large Language Models, Natural Language Processing, Python
Who are we? Equinix is the world’s digital infrastructure company®, shortening the path to connectivity to enable the innovations that enrich our work, life and planet. A place where bold ideas are welcomed, human connec…
Date Posted: 2026-08-10 Country: United States of America Location: US-CA-EL SEGUNDO-R01 ~ 2000 E Imperial Hwy ~ BLDG R01 Position Role Type: Hybrid U.S. Citizen, U.S. Person, or Immigration Status Requirements: U.S. cit…
Mission Analysis Engineer (Senior) - Millennium Space Systems
El Segundo, California, United States · On-site
$181k–$324k/yr
Senior+$39B raised
Mission Analysis Engineer (Senior) - 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 company focus…
Skills: Modeling and simulation, Matlab, Simulink, Python, C++
Space Systems Integration (SSI) is a fast-growing engineering company that provides aerospace solutions to a variety of government and commercial customers. Our employees are forward-thinking, self-directed individuals w…
Skills: Ground station architecture, Satellite operations, Systems engineering, C2 systems, Automation frameworks
Date Posted: 2026-08-10 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: Digital circuit card design, Hardware development, Signal integrity analysis, Power integrity analysis, Component obsolescence
Northrop Grumman Mission Systems, Inc.
Modeling Simulation & Analysis Engineer (Level 2)
El Segundo, California, United States · On-site
$92k–$138k/yr
Mid level
RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the TimeDescription At Northrop Grumman, our employees have incredible opportunit…
Skills: Systems Engineering, Modeling And Simulation, MATLAB, Python, C++
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: RF spectrum engineering, Spectrum policy, Communications systems engineering, Technical analysis, Project development
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…
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…
Space Systems Integration (SSI) is a fast-growing engineering company that provides aerospace solutions to a variety of government and commercial customers. Our employees are forward-thinking, self-directed individuals w…
Date Posted: 2026-08-10 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: Systems engineering, Model-based systems engineering, MBSE, Agile development, JIRA
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, Space systems acquisition, International relations, Technical leadership, Project management
Principal Electrical Engineer- Antenna Test and Verification
El Segundo, California, United States · On-site
$118k–$225k/yr
Senior+$200K raised
Date Posted: 2026-08-10 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: Active a…
Operations Research and Systems Analyst The Opportunity: Space has evolved from a peaceful environment into a contested and congested domain. The U.S. Space Force is rapidly expanding to address global threats. Booz Alle…
Skills: Operations research, Systems analysis, Military operations, Intelligence analysis, Briefing senior leaders
Systems Engineer - Digital Signal Processing (Lead or Senior)
El Segundo, California, United States · On-site
$146k–$239k/yr
Senior+$39B raised
Systems Engineer - Digital Signal Processing (Lead or Senior) Company: The Boeing Company Boeing Defense, Space & Security is seeking Lead or Senior DSP Systems Engineers to join the Space and Launch Engineering team in …
Skills: Digital signal processing, Systems engineering, Satellite communication systems, RF design, Digital payload development
CHAOS Industries is redefining modern defense with omniscient systems purpose-built for today’s realities. Designed and built by top U.S. military veterans and Silicon Valley innovators, CHAOS Industries’ products are po…
Skills: Mechanical engineering, System integration, CAD, SolidWorks, Prototyping
Sign up with Clera and we'll reach out the moment a role actually fits you — no more spraying applications into the void.
$96k–$182k/yr
Full-time
bachelor degree, postgraduate degree
Medical, Dental, Vision, Life insurance, Short-term disability, Long-term disability
Posted 32d ago
~40 hrs/week
Responsibilities
The role involves evaluating end-to-end system requirements for space and missile systems through modeling, simulation, and mission analysis. You will develop and implement innovative model-based solutions and algorithms to improve detection, tracking, and data correlation across integrated architectures.
Requirements
Candidates must have a STEM degree and at least 5 years of relevant experience in space vehicle simulation and analysis. An active and transferable U.S. government Top Secret security clearance is required prior to the start date.
Full job description
Date Posted:
2026-08-11


Country:
United States of America


Location:
US-CA-EL SEGUNDO-E01 ~ 2000 E El Segundo Blvd ~ BLDG E01


Position Role Type:
Onsite


U.S. Citizen, U.S. Person, or Immigration Status Requirements:
Active and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance 


Security Clearance Type:
DoD Clearance: Top Secret


Security Clearance Status:
Active and existing security clearance required on day 1
At RTX, the world largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world.
Raytheon brings the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. We deliver solutions that help our nation and allies defend freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.
The Integrated Solutions, Modeling, and Architecture (ISMA) Directorate supports customer focused mission modeling and simulation activities for all customer areas at Raytheon. Our teams develop, analyze, and create flexible integration solutions crossing all product areas such as sensors, effectors, command and control, logistics, and operations. They develop tools and methods to evaluate campaign, mission, and system level analysis and visualizations based on customer requirements. The department has a tradition of excellence through innovation and teamwork while championing individuality in a flexible work environment to meet the needs of today’s workforce.
As a member in the Cross-Domain and Space Operations Solutions Section, you will be joining a team of high-performing engineers focused on using simulation and analysis of current and future integrated space systems and capabilities (orbital and ground) across RTX to include Golden Dome Architectures and Space Based Intercept.
This is an onsite role in El Segundo, CA.
What You Will Do
Evaluate end-to-end system requirements through CONOPS and Design Reference Missions (DRMs) to understand space and missile system integration interfaces and data connectivity across military kill-chains.
Provide modeling and simulation of satellites, constellations, and system-of-systems architectures
Support design and integration of mission data processing algorithms to improve detection, tracking, data correlation and data fusion
Develop and implement innovative model-based solutions to support mission trade studies and performance simulations.
Contribute knowledge of performance engineering practices and procedures to evaluate work across a wide range of computational problems across multiple domains.
Analyze data to understand performance requirements for integration of space and missile systems.
Develop analytical metrics to validate proposed architectures against missile and space systems requirements as well as help shape future tech growth.
Develop and implement algorithms to provide next-generation performance across entire system- of- systems to include the integration of space and missile systems.
Qualifications You Must Have
Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 5 years of prior relevant experience unless prohibited by local laws/regulations.
Experience with simulation and analysis of space vehicles and satellite constellations, including orbital dynamics, satellite constellation design, and satellite communications including link budget analysis.
Experience with the Ansys Systems Tool Kit (STK) or other multi-domain mission analysis, scenario modeling, and visualization for aerospace, defense, and other complex systems ie AGI STK (Systems Tool Kit, MathWorks MATLAB and Simulink, LtSim, OpenSceneGraph, Cesium, Cesium, VTK
Experience with MATLAB or Python.
Active and transferable U.S. government issued Top Secret security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance
Qualifications We Prefer
Technical, analytical and communication skills for collaboration with peers and presentation to senior technical staff and customers.
Experience with Solis, Astrogator, and/or ODTK.
Active TS/SCI security clearance
Experience with Raytheon owned Modeling and Simulation tools (e.g. OpsTool or RCADE) or Government/Industry Modeling and Simulation tools (e.g. Missile Tool Kit or AFSIM).
Advanced degree in Science, Technology, Engineering or Mathematics (STEM).
Experience with Java, C++ or equivalent programming language
Experience conducting analyses and studies, including how to define and execute a study and evaluate a new concept of operation.
Learn More & Apply Now
Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products.
Clearance Information: This position requires a security clearance. DCSA Consolidated Adjudication Services (DCSA CAS), an agency of the Department of Defense, handles and adjudicates the security clearance process. More information about Security Clearances can be found on the US Department of State government website here: https://www.state.gov/m/ds/clearances/c10978.htm
As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.
The salary range for this role is 95,500 USD - 181,700 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance.This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.
RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.
RTX is comprised of three market-leading businesses – Collins Aerospace, Pratt & Whitney and Raytheon – working as one to answer the biggest questions and solve the hardest problems in aerospace and defense.
Offices: Arlington, VA, US
Advanced sensorsaerospaceaerostructuresavionicsair and missile defense systemsaircraft engines and auxiliary power unitscommand and control systemscyber and software solutionsdefensedigital
How much do Security & Safety jobs in El Segundo, CA pay?
Based on 730 listings with disclosed salaries, most security & safety jobs in El Segundo, CA pay between $92k–$225k per year. Individual offers vary with seniority, company size, and specialization.
How many Security & Safety jobs are open in El Segundo, CA right now?
There are currently 806 open security & safety positions in El Segundo, CA listed on Clera. New openings are added daily as companies post roles.
Which companies are hiring for Security & Safety roles in El Segundo, CA?
Companies currently hiring include Boeing, The Aerospace Corporation, RTX, CHAOS Industries, KBR, Inc., among others. Browse the listings above to see every active employer.
Are there remote or hybrid Security & Safety jobs in El Segundo, CA?
Yes — 80 of the 806 open security & safety positions offer remote or hybrid work (8 remote, 72 hybrid).
How do I apply for Security & Safety jobs in El Segundo, CA?
Each listing links directly to the employer's application page. Apply early — fresh listings get the most recruiter attention in the first two weeks.