Information Systems Security Manager (ISSM) (Aerospace)

Location: Washington, DC; hybrid/remote during the approximately 12-month facility design and pre-accreditation phase, followed by full-time onsite work in Chantilly, Virginia. U.S. citizenship and the ability to work onsite when the facility opens are required.

Company

hirify.global develops laser communications technology and temporospatial software-defined networking platforms for aerospace, satellite, airborne, cislunar, and deep-space communications.

What you will do

• Lead Assessment & Authorization activities for multiple classified and unclassified systems under ICD 503, RMF, IC, and DoD requirements.
• Develop SSPs, SARs, ATO/ATC packages, POA&Ms, configuration baselines, inventories, and continuous monitoring documentation.
• Coordinate with government Authorizing Officials, ISSOs, program security officers, network operations centers, and accreditation authorities.
• Operate as ISSO for initial systems during facility standup, conduct assessments and vulnerability reviews, and manage remediation through closure.
• Support SCIF accreditation, ICD 705 compliance, TEMPEST/EMSEC requirements, RED/BLACK separation, and network architecture reviews.
• Lead incident response, security awareness training, policy development, and transition of responsibilities to the growing security team.

Requirements

• Active, fully adjudicated Top Secret clearance with SCI eligibility is required at hire; interim clearances are not accepted.
• U.S. citizenship is required, with no exceptions.
• 10+ years of progressive information security experience, including at least 5 years as an ISSM or senior ISSO in an IC or IC-adjacent contractor environment.
• Hands-on ICD 503 and IC-specific A&A experience, including concurrent authorization processes for multiple systems and authorities.
• Experience with JWICS, SIPRNet, NIPRNet, TEMPEST/EMSEC, RED/BLACK separation, SSPs, POA&Ms, and continuous monitoring.
• DoD 8140/8570 IAM Level III certification required at hire; CISSP, CISM, or equivalent is accepted.

Nice to have

• Air Force intelligence or AFSCI enclave experience, SAP network accreditation, or NRO network security experience.
• Experience standing up and accrediting a new SCIF under ICD 705.
• Experience managing four or more concurrent classified and unclassified network environments.
• Current SAP, SCI compartment, CI, or Full Scope Polygraph access.
• Prior FSO, deputy FSO, physical security, or personnel security experience.

Culture & Benefits

• Work on aerospace communications and national security programs.
• Flexible hybrid remote/in-office arrangements during the pre-accreditation phase.
• Professional development and advancement opportunities.
• Competitive compensation with equity options.
• Health, dental, vision, and life insurance, 401(k), and paid time off.
• Collaborative, supportive, and inclusive work environment.