IT & Security Manager

Opto-Knowledge Systems • Torrance, CA

2d • Hybrid

About The Position

OKSI Opto-Knowledge Systems, Inc. (OKSI) designs and builds EO/IR sensor systems, autonomous platforms, and modeling and simulation technology that give warfighters a decisive edge. We're a small, fast-moving team where your work reaches the field in months, not years. 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.

Requirements

• 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 Haves

• 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)

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 Information System Security Manager (ISSM) for NIST 800-53 environments

Benefits

• Medical, dental, vision fully paid by the employer for the employee
• Three weeks vacation
• Automatic company contribution to 401K – 5% of earned wages
• Educational assistance

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level