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396 security systems engineer jobs at 135 companies in Diamond Bar, CA

1mo
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Senior Systems & Security Engineer
Brea, California, United States
$112k-$127k/yr HybridFull Time
RAVE Aerospace
RAVE Aerospace: Developing in-flight entertainment and connectivity systems for airlines.
6+ YOEBachelor's in Engineering or equivalent,6+ years systems engineering,knowledge of DO-326A/ED-202A/ISO 27000/ARINC 811,threat modeling,secure coding (C/C++ or Golang),cloud (AWS, Azure),EDR,SIEM,vulnerability management.
DO-326A/ED-202A, ISO 27000, ARINC 811, C/C++, Golang, AWS, Azure, EDR, SIEM, Kali Linux, nmap, Burp Suite, Nessus, OpenVAS, Android, Linux
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3mo
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Senior Physical Security Systems Engineer
San Dimas, California, United States
$130k-$160k/yr OnsiteFull Time
In-N-Out Burger
In-N-Out Burger: Family-owned fast-food chain serving fresh, made-to-order hamburgers.
5+ YOELead design and implementation of enterprise physical security systems; 5+ years in security engineering; IP-based security, network, Windows server, and data management; project leadership.
Genetec, Lenel, Milestone, Python, CAD, Revit, BIM, Windows Server, IP-based security systems, Video management platforms, Access control systems
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1w
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Embedded Systems Security Engineer
Foster City or Irvine
$120k-$150k/yr OnsiteFull Time
ALTEN
ALTENEuronext Paris: ATE: Provides engineering and technology consulting services to industrial clients.
6+ YOEBachelor's degree or equivalent experience; 6+ years in Embedded Linux, board bring-up, and BSP customization; 3+ years deploying device security on production hardware; advanced C and Python or Bash skills.
Embedded Linux, Hardware Root of Trust, Secure Boot, Linux kernel, dm-verity, OP-TEE, SELinux, AppArmor, cgroups, namespaces, seccomp, GitLab CI, GitHub Actions, HSMs, eFuses, OTP, A/B partitioning, U-Boot Verified Boot, Barebox, dm-crypt, ARM TrustZone, ARMv7-A, ARMv8-A, Yocto Project, BitBake, Buildroot, C, Python, Bash, SHA-256, SHA-384, PKI, LXC, crun
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4w
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Systems Engineer
Adelanto, California, United States
$69k-$116k/yr OnsiteFull Time
General Atomics
General Atomics: Designs and manufactures unmanned aircraft and nuclear technology systems.
2+ YOEBachelors in engineering or related field with 2+ years experience (or equivalent experience); knowledge of computing systems, OS, networking, virtualization; ability to obtain DoD security clearance.
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1mo
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Senior Systems Engineer
Costa Mesa, California, United States
$166k-$220k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
Bachelor's in a relevant field or equivalent experience; extensive engineering experience, program/tech lead experience, ability to own complex system design/integration/test/delivery, and ability to obtain U.S. security clearance.
Lattice OS
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2w
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Hardware Systems Engineer
El Segundo or Los Angeles or Washington or San Francisco or San Diego or Seattle or London
$190k-$270k/yr OnsiteFull Time
CHAOS Industries
CHAOS Industries: Develops advanced radar and sensing systems for modern defense.
10+ YOEBachelor's degree in engineering or related field, 10+ years of engineering experience, defense systems background, hardware systems leadership, architecture and trade study expertise, and ability to obtain and maintain U.S. security clearance.
DOORS, Jama, Cameo, MagicDraw, SysML, Coherent Distributed Networks (CDN), RF
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3w
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Systems Process Engineer
El Segundo, California, United States
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
5+ YOE5+ years systems engineering experience on national security space programs, 3+ years systems integration/deployment, active Secret clearance, Bachelor's in Engineering/Math/CS/Physics, BLS not mentioned, strong communication.
Microsoft Excel, Microsoft PowerPoint, Microsoft Word, Atlassian Jira, Confluence
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2mo
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ESS Terminals Systems Engineer
El Segundo, California, United States
$135k-$169k/yr OnsiteFull Time
KBR
KBRNYSE: KBR: Provides engineering, technology, and professional services for global markets.
8+ YOEActive DoD Secret clearance, Bachelors in engineering/math/physics/computer science, 8+ years engineering experience, 5+ years systems engineering, ICD/requirements experience, MS Office proficiency, on-site work in secure facility.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Jira, Confluence, AEHF, PTS, EPS, WGS, FAB-T
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ESS Terminals Systems Engineer
El Segundo, California, United States
$135k-$169k/yr OnsiteFull Time
Modern Technology Solutions, Inc.
Modern Technology Solutions, Inc.: Provides engineering, technology, and cybersecurity services for national security.
8+ YOEActive DoD Secret clearance, Bachelor's in engineering/math/physics/computer science, 8+ years engineering experience, 5+ years systems engineering experience, requirements/ICD development, test planning/integration, and Microsoft Office proficiency; on-site in a secure facility.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Jira, Confluence
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1mo
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ESS Terminal Systems Engineer
El Segundo, California, United States
$135k-$201k/yr OnsiteFull Time
nLogic
nLogic: Provides engineering and software solutions for defense systems.
8+ YOEU.S. citizen with current/obtainable Secret clearance, Bachelor's in technical field, 8+ years engineering experience, 5+ years systems engineering, ICD/requirements experience, Microsoft Office proficiency, onsite secure-facility work.
Protected SATCOM Terminal, AEHF, PTS, EPS, WGS, FAB-T, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Jira, Confluence
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ESS Terminals Systems Engineer
El Segundo, California, United States
OnsiteFull Time
SAIC
SAICNASDAQ: SAIC: Provides government and defense clients with technology and engineering services.
8+ YOEActive DoD Secret clearance, bachelor’s degree in a technical field, 8+ years engineering experience, 5+ years systems engineering, ICD/requirements experience, Microsoft Office proficiency, onsite work in secure facility required.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Jira, Confluence
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1mo
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Sr. Systems Engineer
Los Angeles, California, United States
$88k-$131k/yr HybridFull Time
Green Dot
Green DotNYSE: GDOT: Provides mobile banking and payment solutions to consumers and businesses.
5+ YOE5+ years systems engineering experience; expertise with Kubernetes, Linux, cloud operations (Azure preferred); automation with Git Ops, Ansible, Terraform, Claude AI; monitoring with Datadog/Prometheus; scripting in Python/Bash/PowerShell; security/compliance (PCI DSS, SOC 2); on-call participation.
Kubernetes, Linux, Azure, Git Ops, Ansible, Terraform, Claude AI, Datadog, Prometheus, Python, Bash, PowerShell
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Space Systems Engineer
El Segundo, California, United States
$87k-$150k/yr OnsiteFull Time
The Aerospace Corporation
The Aerospace Corporation: Provides technical expertise and research for national space programs.
2+ YOEBachelor's in engineering/science; 2+ years space vehicle systems engineering experience (4+ years for senior); knowledge of spacecraft subsystems; ability to obtain/maintain security clearance; U.S. citizenship; occasional domestic travel.
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1mo
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Systems Security Engineering Section Lead (M4) (Onsite-Fullerton, CA)
Fullerton, California, United States
$118k-$225k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
8+ YOEBachelor's in STEM and 8+ years experience, active transferable DoD Secret clearance, U.S. citizenship, experience in system security engineering, NIST RMF knowledge, and team management experience.
NIST RMF, EVMS, EAC, Agile
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1mo
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Propulsion Systems Engineer II
Long Beach, California, United States
$100k-$130k/yr OnsiteFull Time
Rocket Lab
Rocket LabNasdaq: RKLB: Operates launch vehicles and manufactures satellites for space missions.
2+ YOEBachelor's in engineering,2+ years propulsion or high-performance systems experience,US citizenship,ability to obtain security clearance.
Amesim, EcosimPro, Simulink, Simscape, Jama, Python, NX, Teamcenter, Windchill, National Instruments
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3mo
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IT Systems Engineer - Millennium Space Systems
El Segundo, California, United States
$129k-$190k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designs and manufactures aircraft, defense systems, and space technology.
4+ YOEFour years of system engineering experience; U.S. citizenship and ability to obtain a Top Secret/SCI clearance; Linux/Windows, vSphere, and security expertise; preferred Azure/O365, storage, and scripting skills.
Linux, Windows, vSphere, Azure, Office 365, PowerShell, Python, Ansible, Docker, Kubernetes, SCCM, Intune, SolarWinds, ServiceNow, AD, SSO, PKI, GPO, DHCP, PowerBI
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2w
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Cloud Systems Engineer
El Segundo, California, United States
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
9+ YOE9+ years in cloud architecture and systems engineering across AWS/Azure/GCP and hybrid environments; TS/SCI clearance; bachelor’s in related field; experience with IL4-IL6 and Zero Trust; security and DevSecOps skills.
AWS, Azure, GCP, Kubernetes, Docker, Helm, Python
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Lead or Senior Satellite Systems Ground Systems Engineer
El Segundo or Seal Beach
$146k-$239k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designing and manufacturing commercial aircraft and defense systems.
9+ YOEActive U.S. Secret security clearance, BS in engineering or related field, 9+ years related experience, experience in ground systems verification and test, requirements and system integration skills.
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Senior Software Systems Engineer
Los Angeles or Boston or Colorado Springs
$156k-$244k/yr RemoteFull Time
Revolution Space
Revolution Space: Building advanced in-space propulsion systems for satellites.
10+ YOEBachelor's in CS/Engineering,10+ years systems engineering experience,proficiency in Python/C++/Java/JavaScript,OS and networking knowledge,EMR? (not applicable),requirements tools experience,ability to obtain U.S. security clearance.
Python, C++, Java, JavaScript, Linux, Windows Server, TCP/IP, DNS, MS Excel, DOORS, Large Language Models, AWS, Azure, GCP, Ansible, Docker, Kubernetes, MBSE, SysML
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2mo
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Lead Systems Engineer (38883)
Yorba Linda, California, United States
$128k-$237k/yr OnsiteFull Time
L3Harris Technologies
L3Harris TechnologiesNYSE: LHX: Aerospace and defense providing mission-critical technology solutions.
9+ YOEDevelop and verify system-level requirements, manage traceability (DOORS), define interfaces and architecture, support integration and test, and develop test automation; eligible for US security clearance required.
DOORS, signal analyzer, signal generator, spectrum analyzer
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