Please Note: To conform with the United States Government Space Technology Export Regulations, the applicant must be a U.S. citizen, lawful permanent resident of the U.S., conditional resident, asylee or refugee (protected individuals as defined by 8 U.S.C. 1324b(a)(3)), or eligible to obtain the required authorizations from the U.S. Department of State.

At CesiumAstro, we are developers and pioneers of out-of-the-box communication systems for satellites, UAVs, launch vehicles, and other space and airborne platforms. We take pride in our dynamic and cross-functional work environment, which allows us to learn, develop, and engage across our organization. If you are looking for hands-on, interactive, and autonomous work, CesiumAstro is the place for you. We are actively seeking passionate, collaborative, energetic, and forward-thinking individuals to join our team.

We are seeking a Product Manager to help manage our space communications products across their entire lifecycle, from initial definition through customer deployment and operation.

You will operate at the intersection of engineering, business development, sales, and marketing, ensuring the product is consistently and accurately understood across all functions and customer interactions. You participate in product definition alongside the concept design team, define how capabilities are articulated to different audiences, and serve as the authority on how the product is described and positioned.

You own technical product documentation that defines what the product is, what it does, and how customers use it. This includes datasheets, ICDs, user guides, technical specifications, and integration documentation across the full customer lifecycle: evaluation, procurement, integration, and operation. You work closely with the marketing team on outbound marketing materials, ensuring technical accuracy and consistency. You ensure that everyone, from internal engineering and sales teams to external customers, has a shared, accurate understanding of the product as it evolves.

JOB DUTIES AND RESPONSIBILITIES

Product Description & Consistency

Convert product definitions into clear, accurate descriptions of capabilities, configurations, and performance

Ensure all materials describe the product consistently across datasheets, documentation, proposals, and customer discussions

Act as the source of truth for how the product is described externally

Customer-Facing Collateral

Own all outbound documentation across the full customer lifecycle: evaluation, selection, integration, and operation

Create and maintain datasheets, user guides, ICDs, integration documentation, and technical specifications

Ensure customers have the right information at each stage of their journey with the product

Identify gaps in documentation based on customer questions and address them

Keeping Materials Up to Date

Track product changes and ensure all documentation and collateral reflect the current state of the product

Communicate updates to internal teams and customers when product capabilities or configurations change

Customer Enablement

Help customers understand how to use the product through clear documentation and guidance

Support onboarding and early use by ensuring instructions and interfaces are well explained

Reduce confusion and support burden by improving clarity of materials

Product Strategy & Roadmap Collaboration

Participate in product roadmap discussions with engineering and business development teams

Contribute technical documentation insights to inform product strategy and feature prioritization

Support market analysis activities by documenting customer needs and feedback patterns

Grow into strategic product management through exposure to roadmap planning and competitive analysis

Cross-Functional Coordination

Participate in product development activities with concept design and engineering teams to ensure technical accuracy

Work closely with marketing on outbound materials, ensuring technical accuracy and consistency

Enable business development and sales with clear, consistent product materials

Bridge engineering, BD, sales, and marketing to ensure all teams describe the product consistently

Translate technical capabilities into customer-facing value propositions and documentation

JOB REQUIREMENTS AND MINIMUM QUALIFICATIONS

Bachelor’s degree in Engineering, Physics, or a related technical field
12+ years of experience in a technical role including 5+ years of experience in technical documentation, systems engineering, product management, or similar technical roles in aerospace, communications, or related industries
Deep technical understanding of RF communications systems, satellite communications, or space systems architecture
Strong experience creating technical documentation or customer-facing materials
Excellent written communication skills with the ability to explain complex systems clearly to diverse audiences
Strong attention to detail and organizational skills
Ability to collaborate effectively across engineering, business development, and marketing teams
Interest in growing into strategic product management responsibilities

PREFERRED EXPERIENCE

Hands-on experience with RF link budgets, modulation schemes, antenna systems, or signal processing
Direct experience with satellite ground systems, space segment operations, or RF payload design
Proven track record creating datasheets, ICDs, or integration documentation
Experience working with evolving hardware or system configurations
Experience supporting customer evaluation or integration
Familiarity with space industry standards and regulatory requirements (FCC, ITU, etc.)
Exposure to product roadmap planning, competitive analysis, or market research
Background in product management or product marketing for technical products

CesiumAstro considers several factors when extending an offer, including but not limited to, the role and associated responsibilities, a candidate’s work experience, education/training, and key skills. Full-time employment offers include company stock options and a generous benefits package including health, dental, vision, HSA, FSA, life, disability and retirement plans.

CesiumAstro is an Equal Opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, protected Veteran Status, or any other characteristic protected by applicable federal, state, or local law.

Please note: CesiumAstro does not accept unsolicited resumes from contract agencies or search firms. Any unsolicited resumes submitted to our website or to CesiumAstro team members will be considered property of CesiumAstro, and we will not be obligated to pay any referral fees.

Principal Product Manager - Space Communications Systems

Key skills

About this role

JOB DUTIES AND RESPONSIBILITIES

JOB REQUIREMENTS AND MINIMUM QUALIFICATIONS

PREFERRED EXPERIENCE