Lead Security Engineer - Information Systems Security Manager (ISSM)

Location: Onsite in Mojave, California, United States. No travel required; 9/80 schedule. U.S. citizenship and an active U.S. Secret clearance or higher are required, with the ability to obtain and maintain Top Secret clearance and additional program accesses.

Base salary: $140,000–$185,000 for 5–8 years of relevant experience; $173,000–$220,000 for 8+ years of relevant experience.

Company

hirify.global engineers reusable air-launched testbeds and operationally realistic flight testing platforms for hypersonic technology and national security programs.

What you will do

• Serve as the designated Information Systems Security Manager for classified information systems.
• Lead Risk Management Framework implementation, authorization, operation, continuous monitoring, and system lifecycle management.
• Develop and maintain SSPs, POA&Ms, security control statements, network diagrams, inventories, policies, procedures, and authorization artifacts.
• Design, build, secure, and operate classified computing environments with IT and Engineering.
• Establish secure configuration baselines using DISA STIGs and support SIPRNet implementation and accreditation.
• Coordinate with Industrial Security, the Facility Security Officer, program managers, engineers, government stakeholders, and system users; provide training and mentor future ISSOs.

Requirements

• 5+ years of cybersecurity experience in aerospace, defense, intelligence, national security, or similarly regulated environments.
• Formal experience as an ISSM or senior ISSO for classified information systems.
• Experience with RMF authorization documentation, including SSPs, POA&Ms, security controls, and assessment artifacts.
• Knowledge of DAAPM, NISPOM, JSIG, ICD 503, NIST 800-53, and NIST 800-171.
• Active U.S. Secret clearance or higher, U.S. citizenship, and eligibility for Top Secret clearance and additional program accesses.
• Ability to work onsite in Mojave, California. Relevant certification such as Security+, CISSP, CISM, or equivalent; BS degree or applicable experience in lieu of a degree.

Nice to have

• Experience establishing a new classified computing environment or taking a system from initial architecture through ATO.
• Experience supporting SIPRNet implementation, authorization, or operations.
• Active U.S. Top Secret security clearance.

Culture & Benefits

• Medical, dental, vision, and prescription drug coverage.
• Paid maternity and parental leave.
• 50% company match on 401(k) contributions, up to $11,500.
• Tuition reimbursement.
• Opportunity to shape a growing classified cybersecurity program supporting hypersonic aerospace systems.