RF Engineer

At Bellatrix Aerospace, we are building the future of space mobility and satellite platforms. As a pioneer in advanced propulsion and next-generation spacecraft systems, we are pushing the boundaries of what is possible in Low Earth Orbit and beyond.

We are a team of passionate engineers working in a fast-paced, collaborative environment, driven to make a lasting impact on the global space industry.

In this role, you will be a core contributor to designing, integrating, and validating the communication systems that serve as the lifeline of our spacecraft. Youll work across disciplines and take ownership of critical RF subsystems, ensuring performance, reliability, and compliance.

System Design & Integration: Design, simulate, and implement satellite communication architectures.

Link Budget Analysis: Perform detailed link budget calculations across orbital conditions and ground station configurations.

Hardware Selection & Testing: Evaluate and test COTS and custom RF components (transceivers, amplifiers, filters, splitters).

Lab & Field Validation: Conduct hands-on RF testing using VNAs, spectrum analyzers, signal generators, and anechoic chambers.

Cross-Functional Collaboration:

Work with mechanical and thermal teams on antenna placement, thermal management, and structural integration.

Regulatory Compliance: Support adherence to ITU regulations, including PFD limits and emission constraints.

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B.Tech or M.Tech in Electronics & Communication, Microwave Engineering, or related field

23 years of hands-on experience in RF/Microwave system design

Experience in aerospace, defense, or satellite communications preferred

Strong fundamentals in RF circuit design, antenna theory, and electromagnetics

Proficiency in RF simulation tools (HFSS, CST Microwave Studio, ADS)

Experience working with S-band and X-band frequencies

Solid understanding of polarization (RHCP/LHCP) and modulation schemes (QPSK, APSK)

Hands-on expertise with RF lab equipment (VNA, spectrum analyzer, power meter, signal generator)

Strong problem-solving mindset and ability to work collaboratively

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Work on cutting-edge space technology shaping the future of mobility in orbit

Be part of a highly collaborative, innovation-driven engineering culture

Take ownership of impactful systems in real space missions

Opportunity to grow in a fast-scaling space-tech startup environment

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