El Segundo, California, United States · On-site
$96k–$182k/yr
Date Posted: 2026-07-28 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: Antenna engineering, Microwave engineering, RF simulation, T/R modules, Phased array antennas
El Segundo, California, United States · On-site
SAIC's Horizon 2 program is seeking your, our latest Space Operations Systems Integrator to serve as a subject matter expert in support to the U.S. Space Force (USSF) in developing and deploying warfighter capabilities w…
Skills: Space Operations, Systems Integration, CONOPS Development, Requirements Analysis, Command And Control Analysis
Genesee & Wyoming Inc.El Segundo, California, United States · On-site
Company / Benefits Overview: Are you ready to build a rewarding career in the railroad industry? Join the Genesee & Wyoming Inc. (G&W) team — part of a legacy that is over 125 years old. With a network of 100+ indi…
Skills: Railroad safety, Operational regulations, Communication, Hand signals, Lantern signals
El Segundo, California, United States · On-site
SAIC is seeking a PNT SE&I Technical Librarian onsite at Los Angeles Space Force Base with experience in data management, customer service, and classification best practices to join the Positioning, Navigation, and Timin…
Skills: Data Management, Customer Service, Classification Best Practices, Configuration Management, Document Tracking
El Segundo, California, United States · On-site
$110k–$194k/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/Infrared Modeling, Synthetic Scene Generation, Radiometry, Radiative Transfer Modeling, Image Chain Analysis
El Segundo, California, United States · On-site
$160k–$239k/yr
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: International Trade Compliance, ITAR, EAR, Export/Import Regulations, Commodity Jurisdiction
El Segundo, California, United States · On-site
$117k–$226k/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: Power systems engineering, Analog circuit design, Circuit analysis, Hardware test, Hardware troubleshooting
El Segundo, California, United States · On-site
$129k–$194k/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: Physical layer modeling & simulation, Communication waveform design, Link budget analysis, Digital signal processing, RF satellite communication systems
Northrop Grumman Mission Systems, Inc.El Segundo, California, United States · On-site
$160k–$239k/yr
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: International Trade Compliance, ITAR, EAR, Export/Import Regulations, Commodity Jurisdiction
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: Systems Integration, Space Systems Engineering, Architecture Evaluation, Acquisition, Technical Leadership
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
$162k–$203k/yr
Modern Technology Solutions, Inc. (MTSI) is seeking an ESS Terminals Senior Systems Engineer to join our team in El Segundo, CA. The MILSATCOM Systems Engineering, Integration, and Test (MSEIT) effort provides leading ed…
Skills: Systems Engineering, Requirements Development, Technical Baseline Development, Test Planning, Integration
El Segundo, California, United States · On-site
$135k–$169k/yr
Modern Technology Solutions, Inc. (MTSI) is seeking an ESS Terminals Systems Engineer to join our team in El Segundo, CA. The MILSATCOM Systems Engineering, Integration, and Test (MSEIT) effort provides leading edge SE&I…
Skills: Systems Engineering, Requirements Development, Technical Baseline Development, Test Planning, Integration
El Segundo, California, United States · On-site
$136k–$169k/yr
Modern Technology Solutions, Inc. (MTSI) is seeking a Senior Evolved Strategic Systems (ESS) Ground Systems Integration Specialist to join our team in El Segundo, CA. Due to security requirements, work is required to be …
Skills: Systems Engineering, MILSATCOM, Digital Engineering, Integration Strategies, Technical Baseline Management
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
$99k–$164k/yr
Modern Technology Solutions, Inc. (MTSI) is seeking a Strategic Senior Acquisition Support Specialist with DoD 5000.85 and DoD 5000.87 and ACAT I experience to join our team in El Segundo, CA. The MILSATCOM Systems Engin…
Skills: DoD 5000.85, DoD 5000.87, ACAT I Program Management, Acquisition Strategy, Contracting
El Segundo, California, United States · On-site
$87k–$198k/yr
Cybersecurity Test Engineer The Opportunity: Are you looking for an opportunity to combine your technical skills with big picture thinking to make an impact in the DoD? You understand your customer’s environment and how …
Skills: Cybersecurity Engineering, Cyber Test & Evaluation, Threat Scenario Development, Network Security, Endpoint Security
El Segundo, California, United States · On-site
$115k–$168k/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: Risk Management, Insurance Procurement, Liability Structuring, Regulatory Compliance, Risk Quantification
El Segundo, California, United States · On-site
The United States Space Force addresses the nation’s most challenging problems. They don’t do it alone – at SAIC we introduce solutions to meet the service demand. SAIC requires a motivated Senior Program Acquisition Ana…
Skills: Acquisition Strategy, Data Modeling, Budgeting, Program Management, Excel
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The engineer will support the development of state-of-the-art Transmit/Receive modules and antenna subsystems. They will perform analysis, verification, troubleshooting, and testing of RF/microwave sub-components for phased array antennas.
Candidates must hold a Bachelor of Science degree in a STEM field and have at least 5 years of experience in RF/Microwave product development. U.S. citizenship is required to obtain and maintain a DoD Secret security clearance.
U.S. Citizen, U.S. Person, or Immigration Status Requirements:
The ability to obtain and maintain a U.S. government issued security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance

At Raytheon, the foundation of everything we do is rooted in our values and a higher calling – to help our nation and allies defend freedoms and deter aggression. We bring 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. Our team solves tough, meaningful problems that create a safer, more secure world.
We are seeking a Senior Antenna/Microwave Engineer within our Airborne Radar Electronics Hardware Engineering organization.
This is an on‑site position located in El Segundo, California.
In this role, you will support the development of state‑of‑the‑art Transmit/Receive (T/R) Modules and antenna subsystems. You will perform analysis, verification, troubleshooting, and testing of RF/microwave sub‑components used in phased array antennas, including Active Electronically Scanned Arrays (AESAs). The position requires strong experience with microwave measurements, verification techniques, and familiarity with RF simulation tools and test equipment. The ideal candidate is comfortable presenting technical content to peers, program leadership, and customers, and contributing to technical strategy and path‑forward planning.
Qualifications We Prefer:
Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Trust, Respect, Accountability, Collaboration, and Innovation.
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.
Click on this link to read the Policy and Terms
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
Based on 754 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.
There are currently 836 open security & safety 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, RTX, CHAOS Industries, KBR, Inc., among others. Browse the listings above to see every active employer.
Yes — 80 of the 836 open security & safety positions offer remote or hybrid work (8 remote, 72 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.
