Information Systems Security Manager

Careers Dream Big at Firefly View Job Openings Life at Firefly At Firefly, we’re focused on making space attainable for everyone – including you! Each team member’s passion, dedication, and innovative ideas have a direct impact on fueling our successful trajectory into space. And there’s no shortage of meaningful projects to work on at Firefly. With launch, lunar, and orbital vehicles, Firefly has a diverse line of business with opportunities to get hands-on experience launching rockets, operating in space, and landing on the Moon. fireflyaerospace 413 65,946 Two bold Texas companies, Firefly and @astspacemobile, signed a deal valued at more than $1.3 billion. Firefly will deliver 36 rocket engines, offer engineering support, and provide a license to manufacture our Miranda and Vira engines for AST SpaceMobile`s new heavy-lift rocket. This is a tremendous win-win for both companies: AST SpaceMobile will be able to launch their own satellites, while Firefly will rapidly scale testing and production of our existing launch vehicle lineup. Read more here: 86 3 Open Two bold Texas companies, Firefly and @astspacemobile, signed a deal valued at more than $1.3 billion. Firefly will deliver 36 rocket engines, offer engineering support, and provide a license to manufacture our Miranda and Vira engines for AST SpaceMobile`s new heavy-lift rocket. This is a tremendous win-win for both companies: AST SpaceMobile will be able to launch their own satellites, while Firefly will rapidly scale testing and production of our existing launch vehicle lineup. Read more here: ... 86 3 Miranda is the most powerful engine in our propulsion family. Swipe to learn about the first-stage engine powering our Eclipse rocket. ➡️ 738 4 Open Miranda is the most powerful engine in our propulsion family. Swipe to learn about the first-stage engine powering our Eclipse rocket. ➡️ ... 738 4 Solar panel deployment testing underway!🛰️ For this DoD mission, our Elytra orbiter will perform a series of responsive maneuvers and space domain awareness in low Earth orbit as part of the Defense Innovation Unit Sinequone Project. 489 3 Open Solar panel deployment testing underway!🛰️ For this DoD mission, our Elytra orbiter will perform a series of responsive maneuvers and space domain awareness in low Earth orbit as part of the Defense Innovation Unit Sinequone Project. ... 489 3 A true ghost story. 👻💙 Our Blue Ghost lander made history haunting the Moon’s near side in 2025, but its spirit remains here on Earth, planning its next scare on the far side. Happy Halloween from Blue Ghost and the Firefly team! 542 4 Open A true ghost story. 👻💙 Our Blue Ghost lander made history haunting the Moon’s near side in 2025, but its spirit remains here on Earth, planning its next scare on the far side. Happy Halloween from Blue Ghost and the Firefly team! ... 542 4 Our missions are powered by our incredible team members and the family and friends who stand by them. Over the weekend, we welcomed our Firefly families to our Rocket Ranch in Briggs, TX, for a fun-filled day of celebration and a behind-the-scenes look at the work that brings us closer to the stars. To the families and friends who support us, THANK YOU! Together, we’re building the future of space exploration for generations to come. 🌎✨ 908 13 Open Our missions are powered by our incredible team members and the family and friends who stand by them. Over the weekend, we welcomed our Firefly families to our Rocket Ranch in Briggs, TX, for a fun-filled day of celebration and a behind-the-scenes look at the work that brings us closer to the stars. To the families and friends who support us, THANK YOU! Together, we’re building the future of space exploration for generations to come. 🌎✨ ... 908 13 What does SciTec bring to the Firefly family? SciTec President David Simenc explains how its advanced defense technologies help protect our nation in this episode of Firefly FAQ. Check it out! 243 0 Open What does SciTec bring to the Firefly family? SciTec President David Simenc explains how its advanced defense technologies help protect our nation in this episode of Firefly FAQ. Check it out! ... 243 0 Peep our Elytra orbiter being assembled in the cleanroom 👀. This spacecraft is part of our Riders 2 the Dark mission — America`s first mission to land on the Moon`s far side. Without direct line-of-sight to Earth, communication on the far side is impossible without a relay. That`s where our Elytra orbiter comes in 🛰️. Elytra will serve as a transfer vehicle and communications bridge between Blue Ghost and Earth, enabling critical science operations on the lunar surface and setting the stage for future missions. 743 3 Open Peep our Elytra orbiter being assembled in the cleanroom 👀. This spacecraft is part of our Riders 2 the Dark mission — America`s first mission to land on the Moon`s far side. Without direct line-of-sight to Earth, communication on the far side is impossible without a relay. That`s where our Elytra orbiter comes in 🛰️. Elytra will serve as a transfer vehicle and communications bridge between Blue Ghost and Earth, enabling critical science operations on the lunar surface and setting the stage for future missions. ... 743 3 Start your week with another Manufacturing Minute! Our Quality Metrologist, Chase Auker, takes us behind the scenes to show how laser trackers measure rocket and spacecraft components with incredible accuracy. 443 13 Open Start your week with another Manufacturing Minute! Our Quality Metrologist, Chase Auker, takes us behind the scenes to show how laser trackers measure rocket and spacecraft components with incredible accuracy. ... 443 13 Load More Our Values Headquartered in the Lone Star State, Firefly’s hardworking team reflects Texas’ GO BIG culture in everything we do. We build big, achieve big, and dream big. We’re building launch vehicles and spacecraft to provide rapid, reliable space access. We’ve achieved some incredible wins, including the first successful commercial Moon landing. And we’re dreaming bigger than this planet with ambitions to Mars, Venus, and beyond. Our core values are what drive us along the way. Previous Passion Fireflies believe in perseverance, responsiveness, and mentoring others with a focus on inspiring a better future. Accountability Fireflies act with integrity and take ownership of our actions, commitments, decisions, and outcomes. Collaboration Fireflies work in alignment across teams and communicate clearly with mutual respect for one another. Excellence Fireflies deliver high-quality work through technical rigor and timely disciplined execution for our customers. Next Passion Accountability Collaboration Excellence Our Benefits We take care of our Fireflies with some of the best benefits in the industry. Our mission to make space for everyone starts with our employees and allowing them to make space for their family, their career, and their future. Previous Space for You Unlimited PTO for exempt employees 3-month sabbatical for every 5 years of service Medical, dental, vision, life, and disability insurance Mental health services Paid military leave Space for Your Family 12 weeks paid maternity leave 4 weeks paid spouse leave $20k towards family planning: fertility, surrogacy, adoption Dog friendly workplace Space for Your Career $10k/year towards trade school or college $2k/year for professional development Ongoing coaching to advance leadership skills Space for Your Future Employee-ownership with stock bonuses 4% Safe Harbor 401(k) matching Financial planning resources $10k bonus for home purchase in Cedar Park, Texas Next Space for You Space for Your Family Space for Your Career Space for Your Future Job Openings From launch technicians to propulsion engineers, Firefly has open roles across the company. We’re looking for passionate, bright innovators to join our team and help make space an achievable dream for everyone. Back to Job Openings Information Systems Security Manager Cedar Park, TX Information Systems & Security Full time JR100305 Apply for Information Systems Security Manager (opens in a new tab) Share Share on Facebook (opens in a new tab) Share on X (opens in a new tab) Share on LinkedIn (opens in a new tab) Copy link to this job ABOUT FIREFLY AEROSPACE Firefly Aerospace is a space and defense technology company that enables our world to launch, land, and operate in space – anywhere, anytime. As the partner of choice for critical space missions, Firefly is the only commercial company to launch a satellite to orbit with 24-hour notice and the only company to achieve a successful Moon landing. Our launch vehicles, lunar landers, and orbital vehicles provide government and commercial customers with full mission services from low Earth orbit to the Moon and beyond. 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 Systems Security Manager at Firefly Aerospace, you will serve as the primary authority for ensuring mission-critical space systems and enterprise information systems achieve and maintain authorization to operate in compliance with national security requirements. You will own the Risk Management Framework (RMF) accreditation lifecycle per NIST SP 800-37 Rev. 2, implementing CNSSP-12 and CNSSI 53 requirements across space vehicle platforms, ground systems, and supporting infrastructure. Serving as the primary liaison between system owners, engineering teams, and Government Authorizing Officials (AOs), you will translate security policy into system requirements, manage security authorization packages, and ensure continuous monitoring of security controls. You will report directly to the Director of Cybersecurity and work closely with systems engineering, DevOps, and mission operations teams. This position will be based out of our corporate headquarters in Cedar Park, TX RESPONSIBILITIES National Security Systems Compliance: CNSSP-12 & CNSSI 53 Serve as subject matter expert for CNSSP-12 and CNSSI 53 requirements, translating policy mandates into specific system security requirements and control baselines for space vehicles, ground stations, and mission support systems Lead security categorization activities per CNSSI 53, determining appropriate Impact Levels (IL) and establishing control overlays for all national security systems Develop and maintain system security architecture documentation, including data flow diagrams, security boundary definitions, and control inheritance mappings Coordinate with system owners and engineering teams to identify security control implementation requirements and validate that technical solutions meet policy mandates Conduct security impact assessments, threat modeling, and risk assessments on proposed architectures, system changes, and configuration updates Review and approve technical security requirements in system specifications, interface control documents (ICDs), and engineering design documentation Risk Management Framework (RMF) System Authorization Manage end-to-end RMF processes per NIST SP 800-37 Rev. 2 for multiple concurrent systems to achieve and maintain Authorities to Operate (ATOs) Develop, maintain, and update System Security Plans (SSPs), Plans of Action and Milestones (POA&Ms), and coordinate Security Assessment Reports (SARs) Coordinate independent security control assessments with Security Control Assessors (SCAs) or third-party assessment organizations Prepare and deliver authorization packages to Authorizing Officials, including executive summaries, risk determinations, and authorization recommendations Present compliance briefings to senior management, government customers, and AOs regarding security posture, risk status, and authorization timelines Continuous Monitoring and Control Validation Establish and operate continuous monitoring programs per NIST SP 800-137, defining security metrics, collection mechanisms, and reporting cadences Validate system configurations comply with Security Technical Implementation Guides (STIGs), DISA baselines, and DoD security configuration requirements Review vulnerability scan results, penetration test findings, and security assessment outputs to identify control weaknesses and drive remediation Maintain current security control traceability matrices mapping policy requirements to implemented controls and assessment evidence Corporate and Enterprise Compliance Programs Lead corporate information security compliance initiatives ensuring adherence to NIST SP 800-171, NIST SP 800-53, CMMC, and Space Policy Directive 5 (SPD-5) Support CMMC Level 2+ compliance activities, including practice implementation validation, artifact development, and assessment preparation Develop and maintain security policies, procedures, and standards that implement regulatory requirements Support Defense Counterintelligence and Security Agency (DCSA) assessments, customer security audits, and government inspections Track regulatory changes and assess impacts to existing authorizations and compliance programs Security Engineering Integration Participate in system engineering reviews, design reviews, and change control boards to ensure security requirements are integrated early in development Validate security requirements are traceable from policy sources through system specifications to implemented controls and test procedures Support incident response activities by providing authorization boundary information, security control details, and impact assessments Interface with mission partners and external system interconnections to establish appropriate security agreements and MOUs QUALIFICATIONS Required: BS degree in Computer Science, Cybersecurity, Information Systems, or related technical discipline Minimum 4 years of direct experience as an ISSM, Security Control Assessor (SCA), or in cybersecurity compliance roles within aerospace, defense, intelligence, or DoD contracting environments Proven track record managing RMF authorization processes per NIST SP 800-37 Rev. 2, achieving ATOs for complex technical systems In-depth knowledge of NIST SP 800-53, NIST SP 800-171, and FISMA compliance frameworks Hands-on experience with DoD security tools including eMASS, ACAS, and HBSS Strong understanding of DISA STIGs and DoD Security Technical Implementation Guides Experience developing System Security Plans (SSPs), POA&Ms, and Security Assessment Reports (SARs) Exceptional written and verbal communication skills with ability to translate complex security requirements for technical and executive audiences U.S. Citizenship required (ITAR and security clearance requirements) Desired: Demonstrated expertise implementing CNSSP-12 and CNSSI 53 requirements for national security space systems or satellite programs Active Secret or Top Secret security clearance, or ability to obtain and maintain