Castelion
Senior Cybersecurity Architect
Torrance, CA +1 · Senior · Full-time · Posted Sep 7, 2026
- Location
- Torrance, CA
19951 Mariner Ave, Torance, CA 90503 - Experience
- 7-10+ years.
About the job
Leads the design, implementation, and continuous improvement of cybersecurity systems and compliance across company sites and system lifecycles.
What you'll do
- Design and implement security architectures, tools, and controls, including monitoring and incident response.
- Conduct threat modeling, risk assessments, audits, and remediation; maintain security plans and compliance documentation.
- Partner with cross-functional teams to embed security into infrastructure, applications, and operations.
What they ask for
- 7-10+ years of hands-on cybersecurity engineering, infrastructure security, or related experience.
- Strong background in network security, endpoint protection, access control, and vulnerability management; experience with cloud security (AWS, Azure, or GCP).
- Experience with incident response, malware analysis, and penetration testing; proficiency with modern security tools.
- Eligibility to keep and maintain a U.S. security clearance.
Nice to have
- Experience in regulated environments such as DoD, aerospace, or SCIFs; experience in SOC operations.
- Active Security+, CISSP, CISM, CEH, or similar senior-level certification; experience with NIST 800-171, CMMC, or DFARS audit readiness.
Tools
CrowdStrike, Palo Alto, Nessus, Splunk, Snort, AWS, Azure, GCP
Model-written summary · the original posting is authoritative