Government Contracts jobs in Fullerton, CA

El Segundo, California

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Today

This posting is for a contract assignment and is not a full-time employment offer with Boeing. Candidates selected for roles will be employed as contract workers through a Boeing approved 3rd party for the duration of the specified project. Regular and predictable attendance is required Work statement is a non-managerial role, non-leadership role. We are seeking an Experienced Space Survivability/Radiation Effects Engineer to support natural and man-made radiation environment-related tasks throu

Full-time

Systems Engineer 5

El Segundo, California

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Today

Location: El Segundo, CA Salary: $90.00 USD Hourly - $100.00 USD Hourly Description: Our client is currently seeking a Systems Engineer 5 El Segundo, CA Active Secret Clearance We are seeking an Experienced Space Survivability/Radiation Effects Engineer to support natural and man-made radiation environment-related tasks through all satellite program phases. The successful candidate will interface with all technical disciplines in a team environment to trade factors such as survivability, c

Contract

Compensation information provided in the description

Senior Ops Engineer

El Segundo, California

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Today

Overview Modern Technology Solutions, Inc. (MTSI) is seeking a Sr Ops Engineer with extensive operational and technical expertise supporting space control and joint operations. This position supports a U.S. Space Force (USSF) program office and involves leveraging command relationships, mission partner coordination, and Special Technical Operations (STO) in complex, joint operational environments. Work will be performed in secure government environments supporting highly sensitive and mission-c

Full-time

USD 130,000.00 - 185,000.00 per year

Intern - Mechanical Engineer - 2026

Los Angeles, California

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Today

Company Overview At Motorola Solutions, we believe that everything starts with our people. We're a global close-knit community, united by the relentless pursuit to help keep people safer everywhere. We build and connect technologies to help protect people, property and places. Our solutions foster the collaboration that's critical for safer communities, safer schools, safer hospitals, safer businesses, and ultimately, safer nations. Connect with a career that matters, and help us build a safer

Full-time

USD 28.60 - 33.80 per hour

Senior Specialist, Software Engineering

Yorba Linda, California

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Today

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris is the Trus

Full-time

USD 111,500.00 - 207,500.00 per year

Specialist, Software Engineering

Yorba Linda, California

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Today

Full-time

USD 97,000.00 - 180,000.00 per year

Lead, Software Engineering

Yorba Linda, California

•

Today

Full-time

USD 97,000.00 - 180,000.00 per year

Senior Communications RF Payload Engineer

El Segundo, California

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Today

Overview Modern Technology Solutions, Inc. (MTSI) is seeking a Comm & RF Payload Expert with exceptional expertise in radio frequency communications, spacecraft communications, and RF payload development. This position supports a U.S. Space Force (USSF) program office responsible for advanced communications payload design, integration, testing, and operation. Work will be performed in secure government environments supporting highly sensitive, mission-critical programs. Responsibilities As a

Full-time

USD 150,000.00 - 200,000.00 per year

Senior Specialist, Software Engineering

Anaheim, California

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Today

Full-time

USD 122,500.00 - 177,500.00 per year

Senior Specialist, Software Engineering

Anaheim, California

•

Today

Full-time

USD 122,500.00 - 177,500.00 per year

Senior Systems Engineer

El Segundo, California

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Today

Overview Modern Technology Solutions, Inc. (MTSI) is seeking a Sr Systems Engineer with deep expertise in classified space control systems engineering processes, including requirements development, configuration management, and government Deficiency Review (DR) board execution. This position supports a U.S. Space Force (USSF) program office responsible for developing, integrating, testing, and transitioning advanced space control capabilities across space, ground, and command-and-control (C2) m

Full-time

USD 170,000.00 - 220,000.00 per year

Senior Test and Evaluation Engineer

El Segundo, California

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Today

Overview Modern Technology Solutions, Inc. (MTSI) is seeking a highly experienced Sr Test & Eval Engineer to lead ACAT-like test and evaluation planning and execution for developmental and operational testing of advanced space control systems. This role supports a U.S. Space Force (USSF) program office responsible for delivering cutting-edge capabilities across space, ground, and command-and-control (C2) mission areas. Work will be performed in secure government environments supporting highly s

Full-time

USD 165,000.00 - 205,000.00 per year

SATCOM Test & Evaluation Engineer

El Segundo, California

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Today

Modern Technology Solutions, Inc. (MTSI) is seeking a SATCOM Test & Evaluation Engineer to join our team in El Segundo, CA. You will join a systems engineering team defining the next generation of space communication systems supporting US Space Force (USSF) satellite communications. You will support Systems Engineering & Integration (SE&I) activities in a multidisciplinary and collaborative environment. You will interface and collaborate with SE&I team members, contractors, government civilians

Full-time

USD 98,000.00 - 122,000.00 per year

Specialist Software Engineer

Anaheim, California

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Today

Full-time

USD 97,000.00 - 180,000.00 per year

SATCOM Systems Integration Engineer

El Segundo, California

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Today

Modern Technology Solutions, Inc. (MTSI) is seeking a SATCOM Systems Integration Engineer to join our team in El Segundo, CA. You will join a systems engineering team defining the next generation of space communication systems supporting US Space Force (USSF) satellite communications. You will support Systems Engineering & Integration (SE&I) activities in a multidisciplinary and collaborative environment. You will interface and collaborate with SE&I team members, contractors, government civilian

Full-time

USD 121,000.00 - 151,000.00 per year

ESS Test and Evaluation Engineer

El Segundo, California

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Today

Modern Technology Solutions, Inc. (MTSI) is seeking a ESS Test and Evaluation Engineer to join our Systems Engineering team defining the next generation of space communication systems supporting Air Force Military Satellite Communications in El Segundo, CA. You will support Systems Engineering & Integration activities in a multidisciplinary and collaborative environment. The Systems Engineer will interface and collaborate with SE&I team members, contractors, government civilians and members of t

Full-time

USD 140,000.00 - 175,000.00 per year

SATCOM Requirements System Engineer

El Segundo, California

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Today

Modern Technology Solutions, Inc. (MTSI) is seeking a SATCOM Requirements Systems Engineer to join our team in El Segundo, CA. You will join a systems engineering team defining the next generation of space communication systems supporting US Space Force (USSF) satellite communications. You will support Systems Engineering & Integration (SE&I) activities in a multidisciplinary and collaborative environment. You will interface and collaborate with SE&I team members, contractors, government civilia

Full-time

USD 98,000.00 - 122,000.00 per year

Senior Systems Engineer, Space

Costa Mesa, California

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Today

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century's most innovative companies to the defense industry, Anduril is changing how military systems are designed, built and sold. Anduril's family of systems is powered by Lattice OS, an AI-powered operating system that turns thousands of data streams into a realtime, 3D command and c

Full-time

USD 166,000.00 - 222,000.00 per year

Principal System Security Engineer - P4 (Onsite-Fullerton, CA)

Fullerton, California

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Today

Date Posted: 2026-02-27 Country: United States of America Location: US-CA-FULLERTON-675 ~ 1801 Hughes Dr ~ BLDG 675 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.Security Clearance Type: Secret - Current Security Clearance Status: Active and existing security clearance required on day 1 At Raytheon, the foundation of everything we do is rooted in our v

Full-time

USD 118,300.00 per year

IT Technical Project Manager

Remote

•

Yesterday

Job Description: Satsyil is looking to on-board a Sr. Technical Project Writer working on Government contracts RFP/RFQ/RFI's. Satsyil is looking for qualified proposal writers, this includes experience with traditional U.S. Government (Federal and Local), and commercial proposals. Job Description: Role: Sr. TechnicalProject Manager. Location:1775 Tysons Blvd, VA Duration: FTE Position Title:Project Manager (Key Personnel)Classification:Key Personnel GSA Schedule Labor Category EquivalentLocat

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Full-time

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Government Contracts jobs in Fullerton, CA, USA