Principal ADCS Engineer

Firefly Aerospace•Cedar Park, TX

18h

About The Position

As a Principal ADCS Engineer at Firefly, you will serve as a technical authority on spacecraft ADCS systems enabling missions spanning Earth orbit, cislunar space, and the lunar surface. This technical leadership role requires an authoritative knowledge base in spacecraft ADCS disciplines, with a proven track record of solving the most complex ADCS challenges on operational missions. In this role, you will drive technical strategies and capability development, provide authoritative technical review and guidance, and mentor engineers at all levels. This position balances hands-on technical contribution with strategic leadership, offering the opportunity to influence system architectures from concept through operations, represent Firefly's technical excellence to customers and executive leadership, and solve unique problems that push the boundaries of spaceflight.

Requirements

Master's degree or PhD in aerospace engineering or related field, or bachelor's degree with substantial technical accomplishments demonstrating analytical rigor equivalent to graduate research
10+ years of experience in spacecraft ADCS with demonstrated expertise and technical leadership across multiple programs
Demonstrated experience supporting operational spacecraft programs through multiple missions
Mastery of spacecraft attitude dynamics with deep expertise in a specialization area combined with strong understanding across ADCS domains
Experience developing strategic vision, technical roadmaps, and capability development initiatives for ADCS teams
Proficiency in the development of flight software and physics simulations for spaceflight applications
Software engineering expertise with proficiency in development practices including version control, code review, testing, documentation, and CI/CD
Proficiency with Python, C++, Linux, and specialized tools and libraries relevant to domain
Comprehensive knowledge of spacecraft subsystems and their impact on ADCS design and performance
Demonstrated ability to elevate the technical capabilities of engineers through mentorship, developing high performers who strengthen the organization around them
Excellent communication and presentation skills, with an ability to convey complex technical concepts to executives, customers, and non-technical stakeholders

Nice To Haves

PhD with research contributions advancing a specialization area relevant to spacecraft ADCS
Background as a technical leader on operational spacecraft programs from development through multiple successful missions
Deep expertise in advanced techniques relevant to specialization
Demonstrated proficiency across multiple ADCS specialization areas
Proven ability to influence technical direction and drive consensus across multidisciplinary organizations
Skill in communicating with program management, customers, and executives in both technical and business forums
Experience leading or supporting anomaly investigations and resolving mission-critical ADCS issues
History of applying technical expertise to achieve customer mission success and initiate new business opportunities
Innovation through patents or technical contributions in specialization area
Track record of thought leadership through publications, presentations, or contributions to industry state-of-the-art

Responsibilities

Serve as a technical authority on the attitude determination and control of spacecraft, providing expertise across programs and domains
Develop and validate novel ADCS methodologies, tools, and best practices for complex or unprecedented mission requirements
Lead resolution of the most challenging ADCS problems across the organization
Provide authoritative technical review and oversight of spacecraft ADCS designs, changes, and risks
Establish technical standards for system design, software development, testing, and requirement verification
Drive ADCS strategy and roadmap development, identifying capability gaps, investment priorities, and opportunities for adopting emerging technology
Initiate and execute continuous improvement initiatives for ADCS processes, tools, and operational efficiency
Represent ADCS expertise in executive-level technical reviews, mission milestone reviews, customer meetings, and proposal efforts
Participate in critical technical work including algorithm development, test campaign execution, and mission operations support
Mentor and develop engineers at all levels, cultivating the next generation of technical leader