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About Firefly Aerospace
Firefly Aerospace is a space and defense technology company on a mission to reliably and repeatedly launch, land, and operate space systems from Earth to the Moon and beyond. As the partner of choice for critical space missions, Firefly is the first commercial company to launch a satellite to orbit with 24-hour notice and the first company to achieve a successful Moon landing. Headquartered in north Austin, Texas, Firefly is looking for passionate, hardworking innovators to join our team and help fuel our successful trajectory into space.
SUMMARY
As the Information System Security Manager at Firefly Aerospace, you will play a critical role in ensuring all mission-critical systems and enterprise networks maintain rigorous compliance with national security and corporate mandates. This role operates at the critical intersection of cybersecurity policy and system engineering, focusing heavily on translating CNSSP-12 requirements into actionable engineering architectures. You will lead the information assurance strategy, manage the Risk Management Framework (RMF) life cycle per NIST SP 800-37 Rev. 2, and drive continuous compliance for corporate standards including CMMC and NIST SP 800-171. This position offers the opportunity to architect security compliance for advanced space systems and corporate infrastructure. You will report directly to Director of Cybersecurity and collaborate closely with security leaderships, systems engineers, and operations teams to embed security into the development life cycle and ensure our systems achieve and maintain full authorization.
RESPONSIBILITIES
Space Systems Engineering: CNSSP-12 Compliance
Translate complex CNSSP 12 (National Information Assurance Policy for Space Systems) mandates into measurable system engineering requirements and architectural constraints.
Coordinate directly with system owners, space vehicle engineers, and DevOps teams to
embed security controls into the system development life cycle (SDLC).
Lead the design and oversee the implementation of secure network architectures for
ground and space segments.
Conduct security impact assessments, threat modeling, and risk assessments on
proposed space vehicle architectures and system changes.
Risk Management Framework (RMF) Accreditation
Manage the full system life cycle accreditation processes under NIST SP 800-37 Rev. 2,
driving systems through the RMF to secure Authorities to Operate (ATO).
Develop and maintain critical accreditation documentation, including System Security
Plans (SSPs), POAMs, and Security Assessment Reports (SARs).
Provide regular status reports, continuous monitoring metrics, and compliance
briefings to senior management and government Authorizing Officials (AOs).
Ensure system configurations continuously comply with DISA STIGs and DoD Security
Technical Implementation Guides.
Corporate Compliance; Security Operations
Lead and manage the corporate-wide cybersecurity compliance initiatives, ensuring
strict adherence to NIST SP 800-171, NIST SP 800-53 and Space Policy Directive 5 (SPD - 5) across enterprise.
Manage a diverse, multi-location Information Assurance team, setting goals, driving
accountability, and mentoring security personnel.
Support incident response activities, ensure timely reporting to government
stakeholders (e.g., DCSA), and lead tabletop exercises to evaluate and improve cross-
functional readiness.
Oversee red-teaming and penetration testing activities to uncover vulnerabilities and
ensure network resilience.
QUALIFICATIONS
Required:
BS or MS degree in Computer Science, Cybersecurity, Information Technology, or a
related technical discipline. Equivalent experience may be considered.

• Proven ability to translate high-level policies (such as CNSSP-12) into technical engineering requirements.

At least 10 years of experience in information assurance, cybersecurity compliance, or
risk management within the aerospace, federal, or DoD contracting environment.
Demonstrated expertise in applying NIST SP 800-37 Rev. 2 (RMF), Space Policy Directive 5 (SPD - 5), NIST SP 800-171, NIST SP 800-53, and FISMA standards.
Hands-on experience with DoD security tools (e.g., eMASS, ACAS, HBSS, SPRS).
Exceptional leadership and communication skills to effectively interface with technical
and non-technical executive stakeholders.
Desired:
Direct experience acting as an ISSM or Security Control Assessor (SCA) for space-based systems.
Familiarity with satellite telemetry, tracking, and commanding (TT&C) encryption and security requirements.
Hands-on experience executing a CMMC Level 2 implementation.
Active clearance or ability to obtain and maintain clearance.
Experience with requirements management platforms (e.g., Jama, DOORS) used in systems engineering.
Firefly offers outstanding benefits for our employees, including generous health, dental and vision plans with low plan deductibles, parental leave, educational reimbursement, short term disability, and flexible PTO options.
Firefly Aerospace, Inc. is an Equal Opportunity Employer; employment with Firefly is governed based on merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.