Communications Security jobs in California

Lead, Crypto-Communications Security Systems Engineer

San Diego, California

•

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 Trust

Full-time

Compensation information provided in the description

Lead, Crypto-Communications Security Systems Engineer

San Diego, California

•

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 125,000.00 - 232,000.00 per year

Security Communications Lead - Remote / Telecommute

San Jose, California

•

Today

We are looking for Security Communications Lead - Remote / Telecommute for our client in San Jose, CA Job Title: Security Communications Lead - Remote / Telecommute Job Location: San Jose, CA Job Type: Contract Job Overview: Pay Range: $58.42hr - $85.39hrThe Security Communications Lead will manage the end-to-end lifecycle of security advisories, vulnerability disclosures, and technical security communications. The role involves collaborating with security engineering, legal, support, and publi

Easy Apply

Contract, Third Party

Depends on Experience

Telecom Engineering Technician

Sacramento, California

•

Today

The Security Engineering Program (SEP) under Homeland at Leidos currently has an opening within the Professional Services Support (PSS) Program for a Telecom Engineering Technician. The candidate is responsible for providing remote and on-site service, repair, and installation support for new and existing communication hardware, software, network configurations, and new system initiatives across all locations within their area of responsibility. They will diagnose mechanical or technical deviat

Full-time

USD 92,300.00 - 166,850.00 per year

Mission Planning Discipline Engineer

Edwards Air Force Base, California

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Today

Job Description The F-35 Integrated Test Force at Edwards AFB, CA is seeking an experienced Mission Planner to support current mission planning tasking, and to expand the capabilities OMS for F-35 Developmental Test. The selected candidate will also: Work with Operations Group and IPTs to develop and review mission plans for every flight test event Will develop and maintain processes for instance management of drive images across the DT fleet Support all facets of the Developmental Test enginee

Full-time

USD 89,300.00 - 157,550.00 per year

PERSEC Security Specialist

El Segundo, California

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Today

Job ID: 2612436 Location: El Segundo, CA, US Date Posted: 2026-05-11 Category: Security Subcategory: Security Schedule: Full-Time Shift: Day Job Travel: Yes - 10% of the time Minimum Clearance Required: TS.SCI Clearance Level Must Be Able to Obtain: TS/SCI with Poly Potential for Remote Work: ORA_ON_SITE Description SAIC's Horizon 2 contract is seeking an energized and professional PERSEC Security Specialist to support the contract's secure operating facilities in El Segundo, CA. You

Full-time

USD 120,001.00 - 160,000.00 per year

Senior Electrical Engineer

Remote or Atlanta, Georgia

•

Today

Arcadis is the world's leading company delivering sustainable design, engineering, and consultancy solutions for natural and built assets. We are more than 36,000 people, in over 70 countries, dedicated to improving quality of life. Everyone has an important role to play. With the power of many curious minds, together we can solve the world's most complex challenges and deliver more impact together. Role description: Arcadis is looking for a Senior Electrical Engineer, with an interest in des

Full-time

USD 120,000.00 - 170,000.00 per year

Contractor Program Security Officer (CPSO) Jr, Sr, Mid - 27346 *

Patterson, California

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Today

Requisition Number: 27346 Required Travel: 0 - 10% Employment Type: Full Time/Salaried/Exempt Anticipated Salary Range: $51,324.00 - $107,120.00 Security Clearance: Top Secret Level of Experience: Mid This opportunity resides with Warfare Systems (WS) , a business group within HII's Mission Technologies division. Warfare Systems comprises cyber and mission IT; electronic warfare; and C5ISR systems. HII works within our nation's intelligence and cyber operations communities to defend our interest

Full-time

USD 51,324.00 - 107,120.00 per year

Software Test Engineer / ECU Coordinator

San Diego, California

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Today

Description: Onsite in San Diego, CA The Software Test Engineer and ECU Coordinator will support an agile DoD software project at a Navy base, executing manual and automated testing across UI and backend components. The role will author test documentation, manage regression testing, and collaborate with engineers and developers to validate requirements and quality gates. The position will also oversee on-site ECU inventory, storage, and maintenance, including coordination of radios and cryptog

Contract

Information System Security Officer (ISSO) *

Patterson, California

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9d ago

Requisition Number: 25661 Required Travel: 0 - 10% Employment Type: Full Time/Salaried/Exempt Anticipated Salary Range: $72,181.00 - $100,000.00 Security Clearance: TS/SCI Level of Experience: Mid This opportunity resides with Warfare Systems (WS) , a business group within HII's Mission Technologies division. Warfare Systems comprises cyber and mission IT; electronic warfare; and C5ISR systems. HII works within our nation's intelligence and cyber operations communities to defend our interests in

Full-time

USD 72,181.00 - 100,000.00 per year

Labs Systems Administrator

Ridgecrest, California

•

Yesterday

Salary Range: $70,310 - $90,000 Essential Job Functions: Install, troubleshoot and perform repairs on DoD computing equipment and workstations to include networked and stand-alone systems. Solve users' routine problems with computers or applications software with front-facing customer support. Perform routine incremental and full system backups across various platforms. Provide direct and remote support to users for network and desktop hardware and software challenges. Assist F/A-18E/F & EA-18G

Full-time

USD 70,310.00 - 90,000.00 per year

Network Architect (TS/SCI)

El Segundo, California

•

Today

Vantor is forging the new frontier of spatial intelligence, helping decision makers and operators navigate what's happening now and shape what's coming next. Vantor is a place for problem solvers, changemakers, and go-getters-where people are working together to help our customers see the world differently, and in doing so, be seen differently. Come be part of a mission, not just a job, where you can: Shape your own future, build the next big thing, and change the world. This position requires a

Full-time

USD 90,000.00 - 150,000.00 per year

Software Test Engineer

San Diego, California

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Today

Leidos has a new and exciting opportunity for a Sr. RMF Security Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vest

Full-time

USD 59,150.00 - 106,925.00 per year

Sr. RMF Security Engineer

San Diego, California

•

Today

Full-time

USD 131,300.00 - 237,350.00 per year

Cloud Based Network Engineer

Remote

•

Today

Job ID: 2610495 Location: Remote Work, CA, US Date Posted: 2026-04-14 Category: Information Technology Subcategory: Network Engineer Schedule: Full-Time Shift: Day Job Travel: Yes - 25% of the time Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: None Potential for Remote Work: ORA_REMOTE Description SAIC is seeking a TACNET ISEA Network Engineer (Fleet Support) to join our team in San Diego, CA. This position is Remote with expectations to be ON-SITE onboa

Full-time

USD 80,001.00 - 120,000.00 per year

Network/Systems Administrator

Hayward, California

•

Today

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: IT Infrastructure and Operations Job Qualifications: Skills: Cisco Technologies, Communications Security (COMSEC), IT Troubleshooting Certifications: CompTIA Security+ CE | CompTIA - CompTIA Experience: 3 + years of related experience ship Required: Yes Job Description: Advance how our customers operate wh

Full-time

USD 102,000.00 - 138,000.00 per year

Field Service Engineer - US Remote

Remote or Texas

•

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 75,000.00 - 85,000.00 per year

Test Lab Manager - Specialist, Engineering Services

Carlsbad, 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 76,500.00 - 141,000.00 per year

Command and Data Handling Engineer (Experienced, Lead or Senior)

El Segundo, California

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Today

Command and Data Handling Engineer (Experienced, Lead or Senior) Company: The Boeing Company Boeing Defense, Space & Security (BDS), Space Mission Systems seeks an Experienced, Lead or Senior Command and Data Handling Engineer (C&DH) (Level 3, 4 or 5) to develop and manage C&DH and Telemetry and Command Digital (T&C) Subsystems for Boeing secured satellite network program in El Segundo, CA. C&DH Subsystem engineering assignments include requirements definition and flow down, systems design an

Full-time

USD 124,100.00 - 167,900.00 per year

Information Technology Lead - 27553 *

Patterson, California

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7d ago

Requisition Number: 27553 Required Travel: 0 - 10% Employment Type: Full Time/Salaried/Exempt Anticipated Salary Range: $120,684.00 - $150,012.00 Security Clearance: Top Secret Level of Experience: Senior This opportunity resides with Warfare Systems (WS) , a business group within HII's Mission Technologies division. Warfare Systems comprises cyber and mission IT; electronic warfare; and C5ISR systems. HII works within our nation's intelligence and cyber operations communities to defend our inte

Full-time

USD 120,684.00 - 150,012.00 per year

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Communications Security jobs in California, USA