Senior Communications Test Engineer II Verified today

CesiumAstro develops communication systems for satellites, UAVs, launch vehicles, and airborne platforms. We design, test, and deploy systems that fly. You will own critical communications for satellite missions in a fast-paced startup environment.

What You Will Do

• Lead development of Communication System and Subsystems Integration and Tests; validate space systems requirements and interfaces
• Collaborate with System Engineering on requirements management, flow down, and traceability
• Lead selection and definition of modem and data layer configuration
• Own lab and equipment strategy, including management, optimization, and key purchase decisions
• Architect and develop Communication test systems; develop test plans with System Engineering
• Lead execution of verification and validation tests; present findings to stakeholders
• Independently debug complex system-level issues and provide feedback to design teams
• Design and oversee time-synchronized test setups using signal generators and spectrum analyzers to validate timing budgets
• Adapt test plans based on evolving hardware/software capabilities and infrastructure constraints
• Provide technical leadership and mentorship to junior engineers; establish best practices
• Drive continuous improvement in test methodologies, automation, and lab infrastructure

Requirements

• Master's degree in Electrical Engineering or related discipline, or equivalent experience
• Minimum 5-7 years relevant job experience
• Strong background in Communication theory
• Experience with satellite-communications standards (NR NTN, DVB-S2x, CCSDS)
• Hands-on experience with digital oscilloscopes, multimeters, RF signal generators, spectrum analyzers, vector network analyzers (VNAs), and vector signal analyzers
• Experience developing hardware and measurement abstraction layers and test automation using Python, MATLAB, or similar languages
• Understanding of RF and mixed-signal hardware (amplifiers, filters, ADCs/DACs, antennas) and system performance impact
• Proficiency in measurements and data analysis including S-parameters, AM/PM, compression, noise figure, harmonics, phase noise, bit error rate, EVM, and group delay
• Hands-on experience designing test setups and working in anechoic chambers for antenna evaluation
• Proven experience designing and leading complex test setups and integration efforts
• Experience independently debugging complex system-level issues

Preferred

• Knowledge of satellite and wireless communication systems and protocols
• Experience in wireless synchronization and parameter sensing techniques
• Familiarity with phased array antenna architectures and array calibration
• Prior experience in technical leadership or mentorship

Full-time employment includes company stock options and benefits package (health, dental, vision, HSA, FSA, life, disability, retirement).