393 cybersecurity jobs at 207 companies in Mission Viejo, CA

1mo
Save
Mark Applied
Hide
Cybersecurity Engineer
Camp Pendleton, California, United States
OnsiteFull Time
Lumbee Holdings
Lumbee Holdings: Provides government contracting, IT, and construction services.
5+ YOE5+ years cybersecurity experience, experience with FTK/Wireshark/Autopsy, 1+ year coding in Python/C/C++/Ruby, DoD Secret clearance required, BLS/CPR not relevant.
FTK, Wireshark, Autopsy, PowerShell, JavaScript, Python, C/C++, Ruby, ACAS, Nessus
2w
Save
Mark Applied
Hide
Cybersecurity Engineer
El Segundo, California, United States
$87k-$198k/yr HybridFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
7+ YOE7+ years cybersecurity engineering experience for DoD programs, experience with RMF, MBCRA/MBRA-C, threat scenario development, technical analysis of architectures, Secret clearance, bachelor’s degree.
2w
Save
Mark Applied
Hide
Cybersecurity 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.
7+ YOE7+ years cybersecurity engineering supporting DoD programs, RMF and MBCRA/MBRA-C experience, threat scenario development, network/security analysis, Secret clearance and bachelor’s degree required.
1w
Save
Mark Applied
Hide
Senior Cybersecurity Engineer
Torrance, California, United States
$157k-$236k/yr OnsiteFull Time
Divergent
Divergent: Develops digital manufacturing systems for complex vehicle structures.
3+ YOEBachelor's degree in cybersecurity or related technical field plus 3+ years' experience, or 5+ years without a degree. Requires SOC experience, cybersecurity analytics expertise, export-control access, and DoD baseline certification.
SIEM, Network Intrusion Detection, firewall, STIGs
1mo
Save
Mark Applied
Hide
Cybersecurity Analyst
Santa Ana, California, United States
$130k-$150k/yr HybridFull Time
HomeXpress Mortgage
HomeXpress Mortgage: Provides non-qualified mortgage and residential lending services.
4+ YOE4+ years in security operations or analyst role; hands-on SIEM experience; vulnerability management and remediation tracking; familiarity with cloud identity and Microsoft 365 security tooling; strong written communication; bachelor's in IT/CS/cybersecurity or equivalent experience.
SIEM, Microsoft 365, DLP, DSPM
4w
Save
Mark Applied
Hide
Cybersecurity Analyst
Seattle or Houston or Phoenix or Los Angeles or Springfield
$72k-$88k/yr OnsiteFull Time
Valence Surface Technologies
Valence Surface Technologies: Provides surface finishing and chemical processing for aerospace components.
2+ YOE2+ years technical experience; foundational cybersecurity knowledge; familiarity with Microsoft 365 and Windows; ability to monitor alerts, investigate incidents, support compliance (CMMC/NIST SP 800-171/DFARS/ITAR), and handle sensitive information.
Microsoft 365, Windows
2mo
Save
Mark Applied
Hide
Cybersecurity Manager
Corona or Riverside
$173k-$222k/yr OnsiteFull Time
Amentum
AmentumNYSE: AMTM: Provides engineering, technology, and mission support to government agencies.
7+ YOE5+ MgmtBachelor's in IT, 7 years IT experience supporting DoD, 5 years managerial DoD experience, ITIL 4 Foundational, active Top Secret clearance (US citizenship required), experience managing dispersed workforces, developing DoD-aligned cybersecurity programs.
4w
Save
Mark Applied
Hide
Cybersecurity Engineer
Torrance, California, United States
$80k-$100k/yr OnsiteFull Time
KDDI America
KDDI America: Provides global telecommunications, data center, and IT integration services.
Mid-level pre-sales cybersecurity engineer with experience designing and scoping solutions across MXDR, EDR/XDR, SASE/ZTNA and related stacks; bilingual English/Japanese; able to run proofs-of-concept, produce technical proposals, and scope for regulated financial customers.
MXDR, EDR/XDR, SASE/ZTNA, email security, SSPM/DSPM, password management, brand protection, security awareness training, DSPM, ASM, AI security
6d
Save
Mark Applied
Hide
IT Cybersecurity Specialist
Salt Lake City or Seattle or Phoenix or Los Angeles or San Francisco or Denver or Washington or Miami or Atlanta or Chicago or Indianapolis or New Orleans or Boston or Minneapolis or Kansas City or Albuquerque or New York or Oklahoma City or Portland or Austin
$75k-$124k/yr OnsiteFull Time
Department of Labor
Department of Labor: Protects American workers' rights and ensures fair labor practices.
1+ YOERequires GS-11 specialized cybersecurity experience, including FISMA, NIST, and RMF implementation, security reviews, risk assessments, cybersecurity analysis, and IT competencies.
FISMA, NIST SP 800-53, Risk Management Framework (RMF), CSAM
2mo
Save
Mark Applied
Hide
Cybersecurity Quality Engineer
Irvine, California, United States
$85k-$105k/yr OnsiteFull Time
Masimo
MasimoNasdaq: MASI: Develops noninvasive patient monitoring technologies and consumer audio products.
3+ YOEBachelor’s degree in a technical field; 0–3 years in quality engineering or cybersecurity in regulated environments; understanding of cybersecurity concepts and quality systems.
1w
Save
Mark Applied
Hide
Cybersecurity Manager - Utilities Industry
Chicago or Milwaukee or Dallas or Columbus or Kirkland or Cincinnati or New York City or Cleveland or Oklahoma City or Austin or Albany or St. Petersburg or Hartford or Pittsburgh or St. Louis or Miami or Sacramento or Raleigh or Minneapolis or Mountain View or Scottsdale or San Francisco or Morristown or Denver or Boston or Philadelphia or Des Moines or Overland Park or Los Angeles or Charlotte or Walnut Creek or Carmel or Seattle or Houston or Arlington or Atlanta or Redmond or Bentonville or Beaverton or Nashville or Detroit or San Diego
$80k-$294k/yr OnsiteFull Time
Accenture
AccentureNYSE: ACN: Global provider of management consulting and technology services.
6+ YOE3+ MgmtRequires 6+ years in cybersecurity, 3+ years leading projects, 3+ years in utility cybersecurity, and a bachelor's degree or equivalent experience. Utility frameworks and certifications preferred.
IT, OT, ICS, cloud, NERC CIP, TSA Security Directives, CIRCIA, NIST Cybersecurity Framework, NIST SP 800-82, ISA/IEC 62443, DOE C2M2
3mo
Save
Mark Applied
Hide
BCG Platinion | Manager, Cybersecurity
Atlanta or Austin or Boston or Brooklyn or Chicago or Dallas or Denver or Detroit or Durham or Houston or Los Angeles or Miami or Minneapolis or Nashville or New York or Philadelphia or Pittsburgh or Summit or Washington
$190k/yr OnsiteFull Time
Boston Consulting Group
Boston Consulting Group: Global management consulting firm specializing in business strategy and transformation.
6+ YOE6+ years cybersecurity consulting or management experience, BS degree, hands-on knowledge across cybersecurity strategy, risk, assessments, cloud, IAM, SIEM, incident response, strong communication and GenAI tool fluency.
ChatGPT, Claude, SIEM, UBA
1mo
Save
Mark Applied
Hide
Principal, Cybersecurity Architect
Rosemead, California, United States
$157k-$220k/yr HybridFull Time
Panda Restaurant Group
Panda Restaurant Group: Operator of American Chinese fast-casual restaurant chains.
7+ YOEBachelor's in CS/Business/IT,7+ years cybersecurity/architecture experience,cloud-native and AI systems experience,CISSP or CSSLP preferred,food handler card within 30 days.
CI/CD
3mo
Save
Mark Applied
Hide
Cybersecurity Senior Advisor
Rosemead, California, United States
$183k-$274k/yr HybridFull Time
Southern California Edison
Southern California EdisonNYSE: EIX: Electric utility providing electricity transmission and distribution services.
10+ YOE10+ years in IT/cybersecurity, US citizenship required, hands-on security assessment experience, familiarity with security frameworks and OT exposure, strong OS/network fundamentals, security certifications preferred.
NIST CSF, NIST 800-53, ISO 27001, Windows, Linux, TCP/IP, DNS, PKI/TLS, NERC/CIP
2w
Save
Mark Applied
Hide
Space Cybersecurity Systems Engineer
El Segundo, California, United States
$166k-$250k/yr OnsiteFull Time
The Aerospace Corporation
The Aerospace Corporation: Provides technical expertise and research for national space programs.
12+ YOEBachelor's in STEM,12+ years cybersecurity systems experience,Top Secret/SCI clearance required,U.S. citizenship,cybersecurity architecture,threat/vulnerability analysis,and ability to travel ~20%.
AWS, Azure, VMWare
1w
Save
Mark Applied
Hide
Cybersecurity Internship - Spring 2027
El Segundo or Washington or Huntsville
$33/hr OnsiteFull Time, Internship
Varda Space Industries
Varda Space Industries: Develops in-orbit manufacturing platforms and reentry capsules for pharmaceuticals.
Current undergraduate or graduate student in cybersecurity, computer science, IT, information systems, or similar; coursework in security topics, log and spreadsheet skills, clear writing, and U.S. work authorization required.
Zscaler, CrowdStrike, ThreatLocker, Darktrace, AlienVault, Microsoft Excel, Okta, Vanta, Python, PowerShell, Bash
2d
Save
Mark Applied
Hide
Classified Cybersecurity Analyst - Secret
Redondo Beach, California, United States
$92k-$138k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
0+ YOESecurity+ certification, current U.S. Secret clearance, and qualifying education plus 0–6 years of experience. Must obtain Top Secret clearance and Special Programs access; cybersecurity compliance experience preferred.
Assessment and Authorization (A&A), Security Test and Evaluation (ST&E), Risk Management Framework (RMF), ACAS, Nessus, Splunk, Trellix, SCAP, NIST, JSIG, DAAG, SSPs, POA&Ms, SCTMs
2w
Save
Mark Applied
Hide
Cybersecurity Ops Analyst
Santa Ana, California, United States
HybridFull Time
SAIC
SAICNASDAQ: SAIC: Provides government and defense clients with technology and engineering services.
2+ YOEBachelor's or equivalent experience, 2+ years cybersecurity experience (4 preferred), experience with SIEM and incident response, familiarity with IDS/IPS, firewalls, vulnerability management, and ability to pass background and drug screens.
Python, C++, JavaScript, Security Information and Event Management (SIEM), Sentinel Security Information and Event Management (SIEM), IDS/IPS, Firewalls, Anti-Virus/Anti-Malware
2mo
Save
Mark Applied
Hide
Managing Director, Cybersecurity
Chicago or Dallas or Los Angeles or Minneapolis or New York City or San Francisco or Seattle or Washington or United States
$280k-$378k/yr OnsiteFull Time
West Monroe
West Monroe: Business and technology consultancy specializing in digital transformation.
15+ YOE15+ years in cybersecurity or advisory roles, proven business development and executive relationship skills, bachelor's degree or equivalent, ability to advise C-level and boards, travel 50%+ required; CISSP/GIAC/CISM preferred.
2mo
Save
Mark Applied
Hide
Cybersecurity Engineer, Product Security
Los Angeles or San Francisco or Washington or San Diego or Seattle or London
$110k-$190k/yr OnsiteFull Time
CHAOS Industries
CHAOS Industries: Develops advanced radar and sensing systems for modern defense.
5+ YOE5+ years in cybersecurity/product security; experience with secure architecture, threat modeling, RMF/NIST/CMMC/DFARS, ATO/eMASS support; U.S. citizenship and ability to obtain security clearance; scripting (Python, PowerShell, Bash) and strong communication skills.
eMASS, Python, PowerShell, Bash, Microsoft GCC High, Trusted Platform Module (TPM)