CesiumAstro

Principal Product Manager - Space Communications Systems

CesiumAstro$175K — $207K *
Aerospace & Defense
11 - 15 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in Engineering, Physics, or a related technical field
  • 12+ years in a technical role with 5+ years in technical documentation, systems engineering, or product management
  • Deep understanding of RF communications systems or satellite communications
  • Proven experience creating technical documentation and customer-facing materials
  • Excellent written communication skills for diverse audiences
  • Strong attention to detail and organizational abilities
  • Ability to collaborate effectively across teams with a focus on product management growth

Responsibilities

  • Convert complex product definitions into clear descriptions of capabilities
  • Ensure consistent product documentation across all materials and teams
  • Act as the authoritative source for external product descriptions
  • Own all documentation across customer lifecycle stages: evaluation, selection, integration, and operation
  • Identify and address documentation gaps based on customer feedback
  • Update internal teams and customers about product changes in materials
  • Assist customers with onboarding to understand product usage through clear documentation

Benefits

  • Company stock options
  • Generous health, dental, and vision insurance
  • Health Savings Account (HSA) and Flexible Spending Account (FSA)
  • Life and disability insurance
  • Retirement plans
Full Job Description
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


$175,000 - $207,000 a year

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.

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.

About CesiumAstro

CesiumAstro is a technology company that provides advanced communications systems for satellite and space-based applications. The company's systems use advanced software-defined radio technology to provide high-bandwidth, low-latency communications for a variety of applications, including remote sensing, earth observation, and satellite communications. CesiumAstro's systems are designed to be highly modular and scalable, allowing them to be easily integrated into a wide range of satellite and space-based platforms. The company was founded in 2017 and is based in Austin, Texas.
Learn more about CesiumAstro
Size
100 employees
Industry
Net Income
-$1 million
Founded
2017
5 Year Trend
+80%
Revenue
$5 million

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