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8 security officer jobs found in El Segundo

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Defense Contractor/ National Defense El Segundo security officer
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KBR
Jun 30, 2026
Full time
Cyber Security Engineer El Segundo
$150,000 - $185,000 yearly
KBR El Segundo, CA
Title: Cyber Security Engineer Belong. Connect. Grow. with KBR! KBR’s National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and national security communities. In this position, your work will have a profound impact on the country’s most critical role – protecting our national security. KBR is seeking a Cyber Security Engineer to join our team in El Segundo, CA.  An active TS/SCI is required to be considered for this position. Why Join Us? Innovative Projects:  KBR’s work is at the forefront of engineering, logistics, operations, science, program management, mission IT and cybersecurity solutions. Collaborative Environment:  Be part of a dynamic team that thrives on collaboration and innovation, fostering a supportive and intellectually stimulating workplace. Impactful Work:  Your contributions will be pivotal in designing and...
KBR
Jun 30, 2026
Full time
Information Systems Security Manager (ISSM) Location El Segundo, California
$160,000 - $200,000 yearly
KBR El Segundo, CA
Belong. Connect. Grow. with KBR! KBR’s National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and national security communities. In this position, your work will have a profound impact on the country’s most critical role – protecting our national security. Why Join Us? Innovative Projects: KBR’s work is at the forefront of engineering, logistics, operations, science, program management, mission IT and cybersecurity solutions. Collaborative Environment: Be part of a dynamic team that thrives on collaboration and innovation, fostering a supportive and intellectually stimulating workplace. Impactful Work: Your contributions will be pivotal in designing and optimizing defense systems that ensure national security and shape the future of space defense. Information Systems Security Manager (ISSM) KBR is seeking an Information Systems Security...
KBR
Jun 30, 2026
Full time
Strategic Senior Acquisition Support Specialist El Segundo
$99,700 - $164,000 yearly
KBR El Segundo, CA
KBR’s National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and national security communities. In this position, your work will have a profound impact on the country’s most critical role – protecting our national security. KBR 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.   KBR (formerly LinQuest) is the prime contractor on the Military Satellite Communications (MILSATCOM) Systems Engineering, Integration and Test (MSEIT) contract. By applying to this position, you are in consideration for KBR employment; however, you also have the option to be hired by one of our subcontractor teammates.   You will join a Systems Engineering team defining the next generation of space communication systems supporting Space Force Military Satellite Communications. You will...
General Dynamics Information Technology
Jun 26, 2026
Full time
Counterintelligence Investigator - TS/SCI with Polygraph- El Segundo
$107,744 - $141,821 yearly
General Dynamics Information Technology El Segundo, CA
Counterintelligence Investigator - TS/SCI with Polygraph   Clearance Level Top Secret SCI + Polygraph   Category Intelligence Operations and Analysis   Location El Segundo, California (Onsite Workplace) Apply Now Key Skills For Success Counterintelligence Data Analysis Interview Techniques Share REQ#:  RQ212480 Public Trust:  None Requisition Type:  Regular Your Impact Own your opportunity to serve as a critical component of our nation’s safety and security. Make an impact by using your expertise to protect our country from threats. Job Description We are GDIT. The people supporting and securing some of the most complex government, defense, and intelligence projects across the country. We ensure today is safe and tomorrow is smarter. Our work has meaning and impact on the world around...
General Dynamics Information Technology
Jun 26, 2026
Full time
Program Analyst SME - TS/SCI w/ Poly- El Segundo
$170,000 - $230,000 yearly
General Dynamics Information Technology El Segundo, CA
Program Analyst SME - TS/SCI w/ Poly   Clearance Level Top Secret SCI + Polygraph   Category Program Delivery and Execution   Location El Segundo, California (Onsite Workplace) Apply Now Key Skills For Success Data Management Leadership Program Management Share REQ#:  RQ220535 Public Trust:  None Requisition Type:  Regular Your Impact Own your opportunity to serve as a critical component of our nation’s safety and security. Make an impact by using your expertise to protect our country from threats. Job Description Data Center Management Subject Matter Expert – Remote sites   Provide Data Center Management subject matter expertise of customer’s remote locations with data center planning, management, and execution of customer sites. Understand all Data Center...
Leidos
Jun 09, 2026
Full time
Space Intelligence Analyst- El Segundo
$73,450 - $132,775 yearly
Leidos Hybrid (El Segundo, CA)
Space Intelligence Analyst Job #: R-00182858 Location: El Segundo, California Category: Intel Schedule (FT/PT): Full Time Travel Required: Yes, 10% of the time Shift: Day Remote Type: No Remote Clearance: Top Secret/SCI External Referral Program : Ineligible Sector: Intel Share: share to twitter share to facebook share to linkedin   Apply Now     Save Job         Shape the Future of Space Security with Leidos Grow Boldly. Lead Bravely. At Leidos, we don’t just nurture talent, we launch careers. Through immersive training, tight-knit teamwork, and front-line exposure to mission-critical projects, you'll accelerate your journey into the heart of innovation. Join the Leidos National Security Sector at Los Angeles Air...
Leidos
Jun 09, 2026
Full time
Occupational Safety Health Analyst- El Segundo
$73,450 - $132,775 yearly
Leidos Hybrid (El Segundo, CA)
Occupational Safety Health Analyst Job #: R-00179800-OTHLOC-2612 Location: El Segundo, California Category: Environmental Health And Safety Schedule (FT/PT): Full Time Travel Required: Yes, 50% of the time Shift: Day Remote Type: No Remote Clearance: Public Trust External Referral Program : Eligible Referral Bonus Amount: $1,000 Sector: Digital Modernization Share: share to twitter share to facebook share to linkedin   Apply Now     Save Job           Looking for an opportunity to make an impact? At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams, contribute to our communities, and operate sustainable....
Leidos
Jun 09, 2026
Full time
Tier 2 Technician- El Segundo
$73,450 - $132,775 yearly
Leidos Hybrid (El Segundo, CA)
Tier 2 Technician Job #: R-00175717-OTHLOC-PL-2D0822 Location: El Segundo, California Category: Network Administration and Ops Schedule (FT/PT): Full Time Travel Required: Yes, 10% of the time Shift: Day Remote Type: No Remote Clearance: Top Secret/SCI with Polygraph External Referral Program : Ineligible Sector: Digital Modernization Share: share to twitter share to facebook share to linkedin   Apply Now     Save Job         The Digital Modernization Sector at Leidos has an opening for a Tier II Network Technician  to support computer data communications systems, in providing design specifications, testing and inspections for computer networks; plan and implementing upgrades; as well as, analyzing and organizing...
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