Principal Talent and Development Specialist

We honor those that are not afraid to dream big dreams, those that tenaciously chase their dreams even when others say it cannot be done, those that achieve big dreams and change everything. Those are Dreams Worth Chasing.

At Sierra Space we envision a future where humanity lives and works in space, on moons, and on distant planets. Our mission isn’t restricted to the few, instead we see a future where all people can choose to live, work, discover, and explore beyond our planet. Our company is building a platform in space to benefit life on Earth and together we will alter the course of humanity.

We have a bold mission. We are a bold company. Together, we are an extraordinary team.

Sierra Space is seeking a dynamic and strategic Principal Talent and Development Specialist to design, deliver, and continually enhance company‑wide talent initiatives. This role spans the full talent life cycle including acquisition, development, management, and organizational development, ensuring all programs align with our culture and evolving business priorities.

As a key partner to senior and executive leaders, this role will lead initiatives such as critical role identification, talent reviews, development planning, and dashboard and metric design. The ideal candidate combines deep expertise in talent strategy with strong data fluency, change agility, and the ability to drive complex, cross‑functional projects that elevate our people and performance.

Our mission is driven by the unwavering passion to push the boundaries of what is possible. We seek those who Dare to Dream - to envision the extraordinary and pursue it relentlessly - to join us on this transformational journey.

We’re looking for dreamers who align with our values, vision, and audacious goals – while also meeting the minimum qualifications below. The preferred qualifications are a bonus, not a requirement.

• Design and implement enterprise‑wide talent strategies across the full talent lifecycle, including acquisition, development, management, and organizational development (OD).
• Lead the identification of critical roles and successors, ensuring a strong internal talent pipeline for key positions.
• Facilitate executive‑level talent reviews and drive actionable outcomes through development planning and follow‑up.
• Build and maintain talent dashboards and data‑driven insights to inform decision‑making and track progress against talent goals.
• Consult with senior leaders and HR partners to assess organizational needs and design targeted development solutions.
• Manage complex, cross‑functional talent initiatives that align with Sierra Space's culture, values, and strategic priorities.
• Drive continuous improvement of talent programs through feedback, evaluation, and staying informed on emerging trends and best practices.
• Serve as a thought leader and internal consultant, bringing innovation, insight, and rigor to all talent and development practices.
• Ensure alignment of all talent initiatives with Sierra Space's mission and business objectives.

• Requires a bachelor's degree in a related field (or equivalent work experience in lieu of degree or master’s +10 yrs experience).
• Typically, 12+ years of related experience.
• Extensive experience designing, delivering, and continuously evolving talent and organizational development processes and programs, ensuring alignment with Sierra Space culture and talent priorities.
• Experience designing and leading organization‑wide talent and organizational development initiatives such as performance and goal setting, succession planning, development plans, talent reviews, critical role/high potential programs, coaching/feedback, talent assessments, etc.
• Broad knowledge and experience of current as well as emerging talent and organizational development systems and tools.
• Strong project management skills with the ability to manage multiple projects simultaneously.
• Excellent communication and interpersonal skills.
• Proficient in Microsoft Office Suite and talent management software.

• Master’s degree in Human Resources, Organizational Psychology, Business…