Spectrum Engineer II

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.

JOB DUTIES AND RESPONSIBILITIES - Perform satellite interference, equivalent power flux-density (EPFD), power flux-density (PFD), and link budget analyses to assess spectrum-sharing compatibility and regulatory compliance, including non-geostationary satellite orbit (NGSO) systems.

- Prepare technical analyses, system parameters, and supporting documentation for ITU filings, FCC applications, international market-access requests, and earth-station licensing activities, including Schedule S and license modifications.

- Support satellite network coordination and regulatory proceedings by preparing interference studies, technical correspondence, and briefing materials while participating in external engagements under the Director's guidance.

- Assist with the design and development of communications system architectures, interfaces, subsystems, and performance models.

- Perform system modeling, link analysis, performance evaluation, trade studies, simulation, and system integration activities.

- Review system requirements, interface specifications, architecture documentation, analytical results, and technical documentation supporting system implementation.

- Perform verification, validation, testing, simulation, integration, and troubleshooting activities.

- Analyze simulation results, system performance data, test results, and engineering observations to identify trends and recommend solutions.

- Support root cause investigations, engineering changes, system improvements, defect resolution, and corrective actions.

- Collaborate with systems, software, RF, electrical, mechanical, integration and test, quality, and program teams throughout product development.

- Prepare technical documentation, interface control documentation, verification reports, engineering reports, and engineering change documentation.

- Participate in design reviews, technical investigations, customer support activities, system integration, and verification activities.

- Review communications systems engineering methods, modeling practices, requirements management processes, and development activities to identify improvement opportunities.

- Apply engineering standards, company procedures, customer requirements, and systems engineering best practices throughout the product lifecycle.

- Contribute to continuous improvement initiatives that strengthen system performance, requirements quality, modeling accuracy, and engineering effectiveness.

JOB REQUIREMENTS AND MINIMUM QUALIFICATIONS - Bachelor's degree in aerospace engineering, electrical engineering, systems engineering, computer engineering, or a related engineering field with 2–5 years of related experience, or Master's degree with 0–3 years of related experience in communications systems engineering, system architecture, RF systems, systems integration, or a related engineering discipline.

- Working knowledge of communications systems, systems engineering principles, system architecture, requirements development, and interface management.

- Experience with systems modeling, link analysis, performance evaluation, simulation too