Cesiumastro
New
USD 184000–225800/yr

Principal Communication Systems Engineer II – Modeling & Sim

OtherCommunication Systems Engineer
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Quick Summary

Overview

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.

Technical Tools
cpppythonsystem-design
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 looking to add a Principal Communication Systems Engineer II – Modeling & Sim to our team. If you are great at what you do, enjoy working in a startup environment, and have writing talent and a strong work ethic, we would like to hear from you. 

The ideal candidate will have a strong background in systems engineering, experience in space technology, and the ability to be the technical point of contact for our communication programs. In this position, you will lead the development of space architecture concepts, sub-system design, payload design, requirements development, analysis and decomposition, high-level software and hardware system architecture design, concept of operations (CONOPS) development, and risk assessment. You will coordinate activities across multidisciplinary engineering teams, raise issues at the program level, and drive complex programs to success. 

The successful candidate will communicate effectively with team members and internal stakeholders, both verbally and through written content. 

  • Evaluate customer and operational needs to define requirements, integrate technical parameters, and assure compatibility of all physical, functional and program interfaces.
  • Support reviews of requests for proposals to support solution development and response.
  • Lead trade studies to optimize system architecture.
  • Define and validate space system requirements and interfaces.
  • Develop and direct technical concept development in support of proposals.
  • Lead development of space architecture concepts, sub-system design, payload design, requirements development, analysis and decomposition, hardware system design, Link budget studies, gain line up, cascade analysis, array simulation studies, concept of operations (CONOPS) development, and risk reduction.
  • Lead analyses for affordability, safety, reliability, maintainability, testability, human systems integration, survivability, vulnerability, susceptibility, system security, regulatory, certification, product assurance and other specialties quality factors into a preferred configuration to ensure mission success.
  • Experience modeling analog and digital domains of complex communication systems using tools such as MATLAB, SystemVueand python. 
  • Bachelor’s degree in Electrical Engineering, Master’s or Doctorate degree preferred.
  • 11+ years of experience in space communications.
  • Very strong background in communication theory.
  • Deep understanding of RF concept, impairments, and the resulting impacts.
  • Background and practical experience with FPGA & modern vector processing engines.
  • Experience with and understanding of satellite-communications standards (NR NTN, DVB-S2x, CCSDS).
  • Experience with at least one scripting and one programming language (ideally Python & C++).
  • Experience working with product/component developers and vendors who provide critical functionality to the overall system.
  • Experience with optical communications systems.
  • Excellent written and verbal technical communication skills.
  • Ability to define work direction, track milestones, and demonstrate progress on large open-ended projects. 
  • Sense of urgency, with the ability to work well under pressure.
  • The ability to work well in teams, with peers and management.  
  • Location & Eligibility

    Where is the job
    Westminster, United States
    On-site at the office
    Who can apply
    US

    Listing Details

    Posted
    May 11, 2026
    First seen
    May 11, 2026
    Last seen
    May 12, 2026

    Posting Health

    Days active
    0
    Repost count
    0
    Trust Level
    79%
    Scored at
    May 11, 2026

    Signal breakdown

    freshnesssource trustcontent trustemployer trust
    Cesiumastro
    Employees
    350
    Founded
    2017
    View company profile
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    CesiumastroPrincipal Communication Systems Engineer II – Modeling & SimUSD 184000–225800