> Markdown version of [/jobs/ext/3676881-it-security-manager](https://www.wearedevelopers.com/jobs/ext/3676881-it-security-manager). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # IT & Security Manager - **Company:** OKSI LLC - **Location:** Torrance, CA, United States - **Experience:** Expert - **Salary:** $135,000.0 - $165,000.0 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Microsoft Azure, Cyber Security, Information Systems, Linux, Information Security Management, IT Management, Network Administration, Security Information and Event Management, Virtual Local Area Networks, Microsoft InTune, Information Technology, Fortinet - **Published:** October 10, 2026 - **Apply:** https://www.ultimatejobs.com/jobs/758205490/apply ## About the Role * Working knowledge of DFARS 7012, NIST 800-171, and CMMC frameworks * Experience with Microsoft 365, AzureAD, Intune, and Fortinet technologies * Experience administering and hardening Linux and Windows systems * Demonstrated leadership across cross-functional, compliance-driven teams * 5+ years of experience in IT infrastructure, cybersecurity, or network administration Nice to Have * Bachelor's degree in Computer Science, Information Systems, Cybersecurity, or related field * DoD 8570.01 certification (IAT Level II or higher, e.g., Security+, CISSP) ## Description The IT & Security Manager owns OKSI's digital infrastructure and information security end to end, architecting and maintaining the systems that keep the company running while leading the strategy that keeps us CMMC-compliant and audit-ready. You'll build and lead the IT function as OKSI scales. What You'll Do * Architect and maintain IT infrastructure for performance, security, and scalability * Build, train, and manage an IT team that supports the whole company and sustains CMMC compliance * Direct OKSI's CMMC program, ensuring alignment with DFARS 7012 and NIST 800-171 * Lead internal security audits, identify gaps, and drive remediation * Partner with every department to meet operational needs without compromising security * Establish and enforce IT governance, cybersecurity policy, and technical standards * Own network and systems administration, including firewalls, VLANs, and critical infrastructure * Manage Microsoft 365, AzureAD, Intune, and company endpoints * Maintain compliant Linux and Windows baselines aligned to NIST 800-171 * Provide strategic direction to the IT team and responsive support to end users * Run continuous monitoring and threat detection through SIEM tooling * Manage vendors and evaluate new technology for secure, compliant integration * Lead companywide cybersecurity training and awareness efforts * Serve as the Information System Security Manager (ISSM) for NIST 800-53 environments