Senior Communications Test Engineer II

Lead the development of Cesium Astro’s Communication System and Subsystems Integration and Tests and validate space systems requirements and interfaces.

Collaborate with System Engineering processes for requirements management, flow down, and traceability.

Lead selection and definition modem configuration

Lead selection and definition of data layer configuration

Own lab and equipment strategy, including management and optimization, and guiding key equipment purchase decisions.

Architect and Develop Communication test systems and collaborate with System Engineering developing test plans, and implementation of test plans and procedures.

Lead execution of verification/validation tests, ensuring completeness, quality, and traceability of results; present findings to key stakeholders.

Work closely with design teams to verify and evaluate system level performance.

Independently draw conclusions from test results, debug complex system-level issues, and provide actionable feedback to design and verification teams.

Adapt and optimize test plans based on evolving hardware/software capabilities and test infrastructure constraints.

Design and oversee time-synchronized test setups using signal generators and spectrum analyzers to validate timing budgets.

Thrive in a fast-paced startup environment and take ownership of critical test systems for leading-edge satellite communication systems.

Provide technical leadership and mentorship to junior engineers; establish best practices for integration and verification

Drive continuous improvement in test methodologies, automation, and lab infrastructure

Master’s degree (MS) or higher degree in Electrical Engineering or related discipline from an accredited university or institution, or equivalent experience

Minimum 5-7 years relevant job experience

Very strong background in Communication theory.

Experience with and understanding of satellite-communications standards (NR NTN, DVB-S2x, CCSDS).

Hands-on experience with lab instruments such as digital oscilloscopes, multimeters, source measurement units, RF signal generators, spectrum analyzers, vector network analyzers (VNAs), and vector signal analyzers

Hands-on experience in developing hardware and measurement abstraction layers, and test automation setups using basic scripting and SW development with common programming/scripting languages (Python, MATLAB, etc.)

Good understanding of RF and mixed-signal hardware (e.g. amplifiers, filters, ADCs/DACs, antennas) and its impact on system performance and test design

Proficient in performing measurements and data analysis including S-parameters, AM/PM, compression, noise figure, harmonics/spurious emission, phase noise, switching speed, bit error rate, adjacent channel power, linearity, EVM and group delay

Hands-on experience with designing test setups and working in anechoic chambers for antenna systems evaluation

Proven experience designing and leading complex test setups and integration efforts

Experience independently debugging complex system-level issues and driving resolution across teams

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.