IT & Security Manager

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

• 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)

• $135,000 - $165,000 annually. New hires are typically brought into the organization at a salary between the range minimum and the salary range midpoint depending on qualifications and the budget allocated for this role.
• Medical, dental, vision fully paid by the employer for the employee
• Three weeks vacation
• Automatic company contribution to 401K - 5% of earned wages (no matching required)
• Educational assistance
• This role is a hybrid role located in Torrance, CA

Why OKSI?

• See your work fielded fast. Get hands-on with hardware and watch it deployed to customers within months, not years.
• Build next-generation defense technology. Our engineering work protects warfighters, reduces collateral damage, and safeguards civilians.
• Speed and Accuracy We move quickly, and you’ll see your work through from concept to deployment - not just one slice of the pipeline; no process bottlenecks we move with speed and agility !
• Hybrid schedule Working at OKSI provides you with a unique opportunity to see fruition of your work while still having a real work-life balance with our hybrid schedule options.
• Professional Growth . OKSI is expanding and growing, which means faster-than-typical opportunities to advance your career.

ITAR Requirements

• To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. 1157, or (iv) Asylee under 8 U.S.C. 1158, or be eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR here.