153 information system security jobs at 98 companies in Los Angeles, CA
2w
Save
Mark Applied
Hide
Information System Security Officer
El Segundo, California, United States
$62k-$141k/yr HybridFull Time
4+ YOEExperience managing RMF-based security controls in classified environments, TS/SCI clearance required, DoD 8140 baseline certifications (e.g., Security+ CE), 4+ years experience with information system security (or MS+2), incident response, assessments, and system hardening.
ACAS, HBSS, ESS, SPLUNK
2w
Save
Mark Applied
Hide
Information System Security Officer
El Segundo, California, United States
$62k-$141k/yr OnsiteFull Time
4+ YOEEnsure operational security posture for assigned systems, conduct security assessments, implement RMF controls, manage incidents, and maintain system security documentation. TS/SCI required.
ACAS, HBSS, ESS, SPLUNK
1mo
Save
Mark Applied
Hide
Information System Security Manager
Hawthorne, California, United States
$85k-$135k/yr OnsiteFull Time
1+ YOEBachelor's degree or 3+ years managing cyber assurance for classified systems (or equivalent); 1+ years cyber assurance; RMF A&A expertise; experience with Nessus, Splunk, Security Center, ServiceNow, eMASS; DoD IAM Level III eligibility; active TS/SCI preferred; CI polygraph possible; ability to travel.
Nessus, Splunk, Security Center, ServiceNow (SNOW), eMASS
1mo
Save
Mark Applied
Hide
Information System Administrator
Thousand Oaks or Camarillo
$78k-$104k/yr OnsiteFull Time
5+ YOE5+ years system administration in classified/government environments; expertise in Windows Server, Active Directory, virtualization, enterprise storage, Cisco networking, cybersecurity frameworks (RMF/NIST), and DoD 8140 IAT Level II (Security+ or higher); active Secret clearance and U.S. citizenship required.
Windows Server, Active Directory, VMware, Hyper-V, Dell EMC Unity, Cisco, IDS/IPS, RMF, NIST 800-53, ITIL, Linux
1w
Save
Mark Applied
Hide
Cybersecurity - Information System Security Officer (ISSO)
El Segundo or Seal Beach
$113k-$153k/yr OnsiteFull Time
3+ YOERequires active Top Secret/SCI clearance, IAM Level 1 DoD 8140.03 certification, and 3+ years in cybersecurity, IT, or related work, including RMF, cybersecurity policy, and implementation experience.
Risk Management Framework (RMF), NESSUS, ACAS, DISA STIGs, SCAP, Audit Reduction, HBSS, Microsoft
1w
Save
Mark Applied
Hide
Cybersecurity - Information System Security Officer (ISSO)
El Segundo or Seal Beach
$113k-$153k/yr OnsiteFull Time
3+ YOERequires active Top Secret/SCI clearance, IAM Level 1 DoD 8140.03 certification, 3+ years in cybersecurity or IT, and 3+ years with RMF and cybersecurity policies.
Risk Management Framework (RMF), NESSUS, ACAS, DISA STIGs, SCAP, Audit Reduction, HBSS, DAAG, CNSSI 1253, ICD-503, JSIG, NIST SP 800 series
6d
Save
Mark Applied
Hide
Information System Security Manager (ISSM)
Anaheim, California, United States
$96k-$182k/yr OnsiteFull Time
5+ YOESTEM or IT degree and 5+ years of relevant DoD/IC cybersecurity experience. Requires active TS/SCI clearance, U.S. citizenship, ATO delivery experience, and expertise with RMF, STIGs, vulnerability tools, and classified systems.
ACAS, Nessus, SCAP, STIG Viewer, Splunk, SIEM, Linux, Windows, DevSecOps, Zero Trust, Identity Access Management
3mo
Save
Mark Applied
Hide
System Security Administrator
Los Angeles, California, United States
HybridFull Time
5+ YOEBS in CS/EE or related field; 5+ years systems engineering with cybersecurity; Microsoft administration; threat/endpoint monitoring; network security; MDM; PowerShell; relevant IT/cybersecurity certifications.
Microsoft Exchange, Entra ID, Purview, DLP, CrowdStrike, Darktrace, Fortinet, JAMF, PowerShell, Command-line
1w
Save
Mark Applied
Hide
Information Systems Security Officer
Los Angeles, California, United States
$107k-$115k/yr OnsiteFull Time
0+ YOEActive TS/SCI with polygraph, obtain DoD 8570 IAT-2 within 6 months, education/experience in computer/information security, knowledge of ICD 503 and NIST SP 800-37, OS and database proficiency, and strong communication skills.
ICD 503, NIST SP 800-37, RMF, SIEM, Microsoft Windows, LINUX, UNIX, Mac OS, Microsoft Office Suite
2mo
Save
Mark Applied
Hide
SR. Information Systems Network & Security Analyst
Burbank, California, United States
$37-$43/hr OnsiteFull Time
3+ YOEBachelor's in information security or computer science, 3+ years information security/network experience, Security+/Network+/Server+ (or equivalent), project management, audit and regulatory compliance (NCUA/FFIEC) experience.
1w
Save
Mark Applied
Hide
Senior Information Systems Security Officer (ISSO)
Camarillo or Point Mugu
$145k-$180k/yr OnsiteFull Time
10+ YOERequires 10+ years of cybersecurity, information assurance, RMF, or C&A experience; one approved certification; Top Secret clearance; RMF, ATO, DoD security controls, Windows, and UNIX/Linux experience.
Risk Management Framework (RMF), NIST Risk Management Framework (RMF), eMASS, Windows, UNIX/Linux, Authority to Operate (ATO)
2mo
Save
Mark Applied
Hide
Information Systems Security Officer
El Segundo, California, United States
$46-$69/hr OnsiteFull Time
5+ YOE5+ years relevant experience (Level III: 5–8; Level IV: 9+), advanced RMF and A&A knowledge, experience with NIST 800-53 and DAAPM, DoD 8140 certification (Security+/CISSP/CISM), ability to obtain DoD Secret clearance, eMASS experience.
Risk Management Framework (RMF), NIST 800-53, DAAPM, Enterprise Mission Assurance Support Service (eMASS)
2mo
Save
Mark Applied
Hide
Senior System Administrator - Information Technology
Gardena, California, United States
$83k-$123k/yr OnsiteFull Time
7+ YOE7+ years IT systems experience (routing, switching, firewall) and 5+ years healthcare experience; expertise in multi-platform systems, virtual environments, centralized storage, LAN, SD-WAN, datacenter integration, network security, and regulatory compliance.
SD-WAN
2mo
Save
Mark Applied
Hide
Senior System Administrator - Information Technology
Gardena, California, United States
$83k-$123k/yr OnsiteFull Time
7+ YOE7+ years IT systems experience including routing, switching, and firewall infrastructure; 5+ years healthcare experience; expertise in multi-platform systems, virtual environments, centralized storage, SD-WAN, datacenter integration, and advanced network security troubleshooting.
2mo
Save
Mark Applied
Hide
Senior System Administrator - Information Technology
Gardena, California, United States
$83k-$123k/yr OnsiteFull Time
7+ YOESeven+ years IT systems experience (routing, switching, firewall); five+ years healthcare experience; strong knowledge of multi-platform systems, virtual environments, centralized storage, LAN, SD-WAN, datacenter integration, and network security; HIPAA/regulatory familiarity.
SD-WAN, AIDET
1w
Save
Mark Applied
Hide
Senior Security Analyst, Information Security Office
Malibu, California, United States
$76k/yr OnsiteFull Time
3+ YOERequires SANS 503 or equivalent, 3 years of IT or information security experience, TCP/IP and packet analysis expertise, Windows systems management, and familiarity with Perl, Unix command line, and PowerShell.
TCP/IP, Windows, Perl, Unix, PowerShell, Palo Alto Firewalls, QualysGuard Vulnerability Management, FortiNAC, IDS, NAC, DHCP, DNS
2mo
Save
Mark Applied
Hide
Senior System Administrator - Information Technology
Gardena, California, United States
$83k-$123k/yr OnsiteFull Time
7+ YOE7+ years IT systems experience (routing, switching, firewall); 5+ years healthcare experience; expertise with SD-WAN, virtual environments, centralized storage, LAN, and datacenter integration; strong security and regulatory (HIPAA) knowledge.
SD-WAN
2mo
Save
Mark Applied
Hide
Senior System Administrator - Information Technology
Gardena, California, United States
$83k-$123k/yr OnsiteFull Time
7+ YOERequires 7 years of IT systems experience, including enterprise routing, switching, and firewall infrastructure, plus 5 years of healthcare experience. Requires expertise in LANs, SD-WAN, hybrid cloud, datacenters, storage, virtualization, and network security.
SD-WAN, HIPAA
3mo
Save
Mark Applied
Hide
Information Systems Security Officer, AD&S
Costa Mesa, California, United States
$113k-$149k/yr OnsiteFull Time
Design, implement, and oversee security controls per NIST RMF/JSIG; assess risks; manage security posture; ensure compliance.
Splunk, DISA STIGs, SCC, Python, PowerShell, Bash, Linux, SELinux
1w
Save
Mark Applied
Hide
Cyber System Security Engineer
El Segundo, California, United States
$142k-$236k/yr OnsiteFull Time
12+ YOEBachelor’s degree or equivalent experience; 12+ years total experience, including 8+ in SCI/SAR and 4 in SAP; IAT/IAM Level 3 within six months; RMF and JSIG expertise; current TS/SCI eligibility.
NIST, Microsoft Word, Microsoft PowerPoint, Microsoft Excel, Risk Management Framework (RMF), Joint SAP Implementation Guide (JSIG)
Explore Jobs
Expand Your Job Search
Top Cities Near Los Angeles for Information System Security
- Information System Security jobs in Long Beach, CA
- Information System Security jobs in Anaheim, CA
- Information System Security jobs in Santa Ana, CA
- Information System Security jobs in Riverside, CA
- Information System Security jobs in Irvine, CA
- Information System Security jobs in Fontana, CA
- Information System Security jobs in Huntington Beach, CA
- Information System Security jobs in Glendale, CA
- Information System Security jobs in Santa Clarita, CA
- Information System Security jobs in Garden Grove, CA
- Information System Security jobs in Rancho Cucamonga, CA
- Information System Security jobs in Ontario, CA
- Information System Security jobs in Corona, CA
- Information System Security jobs in Lancaster, CA
- Information System Security jobs in Palmdale, CA
- Information System Security jobs in Pomona, CA
- Information System Security jobs in Torrance, CA
- Information System Security jobs in Pasadena, CA
- Information System Security jobs in Orange, CA
- Information System Security jobs in Fullerton, CA