IT & Security Leader — CMMC/NIST | Hybrid, Impact

OKSI; Torrance (CA); Hybrid; USD 135,000 - 165,000; Full time

Benefits offered by this job

Medical, dental, vision fully paid

Three weeks vacation

401K contribution 5%

Educational assistance

Job summary

OKSI is seeking an IT & Security Manager in Torrance, CA to own the company’s digital infrastructure and information security end to end. You will architect IT systems, lead the security program, and drive a culture of cybersecurity across all departments.

You will supervise an IT team, ensure DFARS/NIST/CMMC alignment, and oversee audits, governance, and vendor management while maintaining a strong security posture for a fast-moving defense technology company.

Qualifications

• 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.

Responsibilities

• 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 ISSM for NIST 800-53 environments.

Skills

IT infrastructure

Cybersecurity

Leadership

DFARS 7012

NIST 800-171

CMMC

M365

AzureAD

Intune

Fortinet

Education

Bachelor's degree

DoD 8570.01 certification

Tools

Fortinet technologies

Linux

Windows

Job description

OKSI is seeking an IT & Security Manager in Torrance, CA to own the company’s digital infrastructure and information security end to end. You will architect IT systems, lead the security program, and drive a culture of cybersecurity across all departments.

You will supervise an IT team, ensure DFARS/NIST/CMMC alignment, and oversee audits, governance, and vendor management while maintaining a strong security posture for a fast-moving defense technology company.