Defense Contractor/ National Defense security professional jobs

Oct 05, 2026

Full time

Armed Security Flex Professional - Shipyard - San Diego

$26.00 hourly

Allied Universal San Diego San Diego, CA

Company Overview: Allied Universal®, North America’s leading security and facility services company, offers rewarding careers that provide you a sense of purpose. While working in a dynamic, welcoming, and collaborative workplace, you will be part of a team that contributes to a culture that positively impacts the communities and customers we serve. MUST HAVE EXPOSED FIREARM PERMIT Armed Security Flex Professional needed for Downtown location! Must have active CA guard card! Pay Rate $26/hour Now offering weekly and daily pay! Allied Universal® is hiring a Armed Security Professional Branch Flex Officer.The Armed Security Professional Branch Flex Officer will serve and safeguard clients in a range of industries such as Healthcare, Education, Finance and more. Join a leading team where flexibility meets opportunity. As an Armed Security Professional Branch Flex Officer, you’ll use our exclusive shift-pickup platform to view and claim open shifts...

Oct 29, 2026

Full time

K-9 Junior Handler - San Diego

$25.00 - $27.00 hourly

Triple Canopy San Diego, CA

POSITION SUMMARY The Junior Handler will be responsible for screening cargo in compliance with TSA rules and regulations. The Junior Handler will be required to complete a 4–8-weeks minimum team training course and certification prior to mobilization to the assigned location.  PAY TRANSPARANCY/COMPENSATION Pay rate is compensated at $25-27 per hour Virtual rate is compensated at twenty dollars per hour Moyock rate is compensated at fifteen dollars per hour RESPONSIBILITIES Participate in CCSP related training to search cargo and identify explosive threats  Conduct authorized representative duties related to X-Ray, physical search, and explosive trace detection as needed  Perform Junior Handler duties while commanding a trained explosive working dog  ...

Oct 29, 2026

Full time

Unarmed Security Officer San Francisco

$40.00 hourly

Triple Canopy San Francisco, CA

This position is up and coming for a new contract. We are currently collecting applicants for interviews to be held in August. POSITION SUMMARY Provide professional, high-level unarmed security services for the personnel, visitors, and property of various buildings within the California Bay Area. Work locations include Mission Bay, South San Francisco, San Carlos, and Palo Alto. shifts in a specific building will not be guaranteed. PAY TRANSPARENCY/COMPENSATION Rate of Pay: $40.00/hr Paid training for 1.5 weeks at a full hourly rate RESPONSIBILITIES Provide security for various buildings by conducting perimeter security, internal security, threat monitoring , etc. Protect personnel and property in a professional manner Meet and deal tactfully and politely with general public and visitors Effectively and efficiently screen and process visitors as required Identify, report, delay or detain persons who violate...

Oct 29, 2026

Full time

Unarmed Security Guard San Diego

$30.00 hourly

Triple Canopy San Diego, CA

We are currently collecting resumes for an upcoming new contract. We anticipate holding interviews in the first quarter of 2026, but the timeline is subject to change. POSITION SUMMARY Provide professional, high-level unarmed security services for the personnel, visitors, and property of various buildings within the California Bay Area. Work locations include Mission Bay, South San Francisco, San Carlos, and Palo Alto. shifts in a specific building will not be guaranteed. PAY TRANSPARENCY/COMPENSATION Rate of Pay: $30.00/hr Paid training for at a full hourly rate RESPONSIBILITIES Provide security for various buildings by conducting perimeter security, internal security, threat monitoring, etc. Protect personnel and property in a professional manner Meet and deal tactfully and politely with the general public and visitors Effectively and efficiently screen and process visitors as required Identify, report,...

Oct 19, 2026

Full time

Security Officer 3 Hawthorne, Vandenburg and Palo Alto

$28.00 hourly

Space X Lompoc, CA

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. SECURITY OFFICER 3 Security Officers are dedicated security professionals with a demonstrated ability to work independently and as a member of a team in a fast-paced high-tech environment. Security Officers work as a team, patrolling the company’s properties via vehicle and foot and/or ensuring security at a series of fixed locations in accordance with federal, state, and local laws as well as company regulations. RESPONSIBILITIES: Maintain proficiency/awareness of static guard post duties Plan and execute security support for SpaceX operations Plan and conduct advanced security training for all security officers Conduct advanced research and analysis...

Oct 08, 2026

Full time

Cybersecurity Systems Engineer- San Diego

$115,000 - $135,000 yearly

Highbury Defense Group HDG Hybrid (San Diego, CA)

Cybersecurity Systems Engineer | San Diego, CA Applying to this job will open a new window on the employer's web site to apply there. Posted Date 9/19/2026 Description Lyntris is a defense technology company that connects sensing to action across the connected battlespace. Lyntris brings together the talents of Accelint and Vitesse teams under one mission, with each contributing deep expertise within their domain. Combining differentiated hardware, software and mission expertise, Lyntris helps customers sense threats, make sense of complex conditions and act with greater speed, precision and confidence in contested environments. Lyntris supports U.S. and allied defense organizations across every branch — including Navy, Army, Air Force, Space Force and allied partners — spanning strategic, operational and tactical missions and every domain: Space, Air, Land, Sea and Cyber. With more than 200 active defense programs, Lyntris works...

Oct 06, 2026

Full time

Program Security Representative (PSR) II

$104,040 - $140,760 yearly

General Dynamics Information Technology Palmdale, CA

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Security Operations Job Description: The Program Security Representative’s primary function is to provide multi-discipline security support for one or more of the customer’s Special Access Programs (SAPs). The position will provide “day-to-day” multi-discipline analysis for Collateral, Sensitive Compartmented Information (SCI) and Special Access Program (SAP) activities. Performance shall include: Ensure strict adherence to the provisions of the NISPOM, its Supplement, the DoW Overprint, DCID, ICD, and SAP policy Assist in developing and executing approved policies and procedures for safeguarding Special Access Program (SAP), Sensitive Compartmented Information (SCI) and collateral data in support of US military operations Provide day-to-day...

Oct 05, 2026

Full time

Security Shipyard Flex Officer - San Diego

$22.85 hourly

Allied Universal San Diego San Diego, CA

Company Overview: Allied Universal®, North America’s leading security and facility services company, offers rewarding careers that provide you a sense of purpose. While working in a dynamic, welcoming, and collaborative workplace, you will be part of a team that contributes to a culture that positively impacts the communities and customers we serve. Security Flex Officer needed for Downtown location! Must have active CA guard card! Schedule: open avilaibility Pay Rate $22.85/hour Great perks and benefits Allied Universal® is hiring a Security Professional Branch Flex Officer. The Security Professional Branch Flex Officer will serve and safeguard clients in a range of industries such as Healthcare, Education, Finance and more. Join a leading team where flexibility meets opportunity. As a Security Professional Branch Flex Officer, you’ll use our exclusive shift-pickup platform to view and claim open shifts based on your availability - giving...

Oct 19, 2026

Full time

Security Officer 3 - Night Shift Vandeberg

$28.00 hourly

Space X Vandenberg Space Force Base, CA

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. SECURITY OFFICER 3 Security Officers are dedicated security professionals with a demonstrated ability to work independently and as a member of a team in a fast-paced high-tech environment. Security Officers work as a team, patrolling the company’s properties via vehicle and foot and/or ensuring security at a series of fixed locations in accordance with federal, state, and local laws as well as company regulations. RESPONSIBILITIES: Maintain proficiency/awareness of static guard post duties Plan and execute security support for SpaceX operations Plan and conduct advanced security training for all security officers Conduct advanced research and analysis in support of SpaceX...

Oct 30, 2026

Full time

Sr. Specialist, Supplier Quality Engineer 1 - Remote

$84,000 - $178,000 yearly

L3Harris Remote (Remote)

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 Trusted Disruptor in defense tech. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: Sr. Specialist Supplier, Quality Engineer - Composites Job Code: 46397 Job Location: Remote / Field (Within driving distance of Huntington Beach, CA) Job Schedule: 9/80 Employees work 9 out of every 14 days – totaling 80 hours...

Oct 30, 2026

Full time

Senior Specialist, Subcontracts - Remote

$79,500 - $170,500 yearly

L3Harris Remote (Remote)

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 Trusted Disruptor in defense tech. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: Senior Specialist, Subcontracts (Remote) Job Code: 46200 Job Location: Remote Opportunity Job Schedule: 9/80: Employees work 9 out of every 14 days- totaling 80 hours worked- and have every other Friday off Job...

Oct 30, 2026

Full time

Manager, Field Engineering - Remote

$91,500 - $196,500 yearly

L3Harris Remote (Remote)

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 Trusted Disruptor in defense tech. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: Manager, Field Engineering Job Code: 46657 Job Location: Remote- candidate needs to be able to relocate to any location, CONUS or OCONUS Job Schedule: 9/80- Employees work 9 out of every 14 days – totaling 80 hours worked –...

Oct 30, 2026

Full time

Specialist, Systems Engineering

$91,500 - $172,500 yearly

L3Harris Los Angeles, CA

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 Trusted Disruptor in defense tech. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: Specialist, Systems Engineering Job Code: 45985 Job Location: Onsite at our Canoga Park, CA facility Job Schedule: 9/80 Employees work 9 out of every 14 days – totaling 80 hours worked – and have every other Friday off Job...

Oct 30, 2026

Full time

Penetrant Inspector Level 2

$33.14 - $57.32 hourly

L3Harris Los Angeles, CA

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 Trusted Disruptor in defense tech. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: Penetrant Inspector Level 2 Job Code: 46565 Job Location: Canoga Park, CA Job Schedule: 2nd Shift 9/80: Employees work 9 out of every 14 days – totaling 80 hours worked – and have every other Friday off (weekend overtime)...

Oct 30, 2026

Full time

Ultrasonic Inspector Level 2

$33.14 - $57.32 hourly

L3Harris Los Angeles, CA

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 Trusted Disruptor in defense tech. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: Ultrasonic Inspector Level 2 Job Code: 46564 Job Location: Canoga Park, CA Job Schedule: 2nd Shift (train on 1st Shift) 9/80: Employees work 9 out of every 14 days – totaling 80 hours worked – and have every other Friday off...

Oct 30, 2026

Full time

Machinist-Bench - 2nd Shift

$31.81 - $56.66 hourly

L3Harris Los Angeles, CA

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 Trusted Disruptor in defense tech. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: Machinist-Bench Job Code: 46464 Job Location: Canoga Park, CA Job Schedule: 2nd Shift 9/80: Employees work 9 out of every 14 days – totaling 80 hours worked – and have every other Friday off Job Description: We are...

Oct 30, 2026

Full time

Shipping & Receiving Clerk

$21.15 - $39.42 hourly

L3Harris Yorba Linda, CA

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 Trusted Disruptor in defense tech. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: Shipping & Receiving Clerk Job Code: 46654 Job Location: Yorba Linda, CA Job Schedule: 4/10: Employees work 10 hour days, 4 days a week Job Description: The Shipping & Receiving Stores Clerk Position is a position...

Oct 30, 2026

Full time

NC Programmer (Senior Specialist, Manufacturing Engineer)

$96,000 - $178,000 yearly

L3Harris Los Angeles, CA

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 Trusted Disruptor in defense tech. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: NC Programmer (Senior Specailist, Manufacturing Engineer) Job Code: 46451 Job Location: Canoga Park, CA Job Schedule: 9/80: Employees work 9 out of every 14 days – totaling 80 hours worked – and have every other Friday off...

Oct 30, 2026

Full time

Assembler B

$39,500 - $73,500 yearly

L3Harris Gardena, CA

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 Trusted Disruptor in defense tech. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: Assembly B Job Code : 46839 Job Location: Gardena, CA Schedule: 9/80: Employees work 9 out of every 14 days- totaling 80 hours worked- and have every other Friday off Job Description: Under close supervision of the...

Oct 30, 2026

Intern

Software Engineering Intern (Carlsbad, CA)

$29.00 - $35.00 hourly

L3Harris Carlsbad, CA

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 Trusted Disruptor in defense tech. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title:  Intern, Software Engineering Job Code:  46504 Job Location:  Carlsbad, CA Job Schedule: 9/80: Employees work 9 out of every 14 days – totaling 80 hours worked, and have every other Friday off   Job Description: Apply...

511 security professional jobs found