CesiumAstro
Space Technology
SeniorCommunicationsSystemsEngineerII
Neural analysis suggests this role is
optimal for Senior candidates.
“Senior Communications Systems Engineer II at CesiumAstro. Skills: communications systems, SATCOM, RF systems, aerospace systems, modeling and simulation, Python development. Develop, maintain, and validate Python-based simulations and modeling tools to characterize communications hardware, RF payloads, phased arrays, and SATCOM constellation behavior. Model end-to-end system performance, including link budgets, coverage and capacity, pointing and geometry, operational scenarios, and hardware/sof”
Industry & Context.
problem-solving skills and analytical abilities; capability to identify, assess, and resolve technical challenges
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
What They're Looking For.
Must Have
Bachelor’s degree in electrical engineering, aerospace engineering, computer science, or a related field, A minimum of 6 years of experience with emphasis on communications systems, SATCOM, RF systems, aerospace systems, or related modeling and simulation work, Python development experience, including writing maintainable analysis, modeling, simulation, or automation code, Practical experience with communication systems analysis such as link budgets, RF propagation, antenna or phased array performance, payload modeling, or constellation-level trade studies, Experience working with hardware, RF, software, or product/component developers to understand interfaces, assumptions, and system-level impacts, Ability to support cloud-based Python development, simulation infrastructure, data pipelines, APIs, or backend services when needed, Excellent written and verbal technical communication skills, including the ability to document models, assumptions, results, and recommendations, Proficiency with, or willingness to work in, requirements management tools such as DOORS or Jama, problem-solving skills and analytical abilities, with the capability to identify, assess, and resolve technical challenges in collaboration with multifunctional teams
Nice to Have
Familiarity with common scientific Python libraries and workflows such as NumPy, SciPy, pandas, plotting/visualization tools, testing, version control, and code review
What You'll Do.
and validate Python-based simulations and modeling tools to characterize communications hardware
and SATCOM constellation behavior
Model end-to-end system performance
including link budgets
coverage and capacity
pointing and geometry
operational scenarios
and hardware/software trade studies
Evaluate customer and operational needs and help translate them into system requirements
technical assumptions
and verification approaches
Contribute to cloud-hosted Python tooling
data processing workflows
or simulation infrastructure as needed to support modeling and analysis activities
Participate in the development of systems engineering processes for requirements management
and model-based analysis
Support risk analysis
and mitigation planning with quantitative analysis and simulation results
Identify and help resolve technical issues that may impede engineering
Communicate analysis methods
and recommendations clearly to internal stakeholders and
How You'll Work.
Team & Collaboration
Collaborate with RF, antenna, hardware, software, cloud/platform, manufacturing, and program management teams to support system design and technical execution; working closely with product, backend, and systems engineering teams to design, integrate, and maintain robust ML applications; collaboration with multifunctional teams
Communication Scope
Excellent written and verbal technical communication skills; ability to document models, assumptions, results, and recommendations; Communicate analysis methods, assumptions, results, and recommendations clearly to internal stakeholders and, as needed, external customers
Full Job Description
## Description 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 for a Senior Machine Learning Engineer II to contribute to the development and deployment of machine learning solutions for our advanced distributed processing platforms. This role is highly collaborative, working closely with product, backend, and systems engineering teams to design, integrate, and maintain robust ML applications that support CesiumAstro’s mission. ## JOB DUTIES AND RESPONSIBILITIES Develop, maintain, and validate Python-based simulations and modeling tools to characterize communications hardware, RF payloads, phased arrays, and SATCOM constellation behavior. Model end-to-end system performance, including link budgets, coverage and capacity, pointing and geometry, operational scenarios, and hardware/software trade studies. Evaluate customer and operational needs and help translate them into system requirements, technical assumptions, interfaces, and verification approaches. Collaborate with RF, antenna, hardware, software, cloud/platform, manufacturing, and program management teams to support system design and technical execution. Contribute to cloud-hosted P
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