Sr. Antenna Design Engineer

Technical Centre, IN-SPACe HQ Apply Now Location Ahmedabad, India Salary Open Job Type Full-time Date Posted July 21st, 2026 View All Jobs Sr. Antenna Design Engineer at PierSight Location Ahmedabad, India Salary Open Job Type Full-time Date Posted July 21st, 2026 Apply Now View All Jobs Download File Role: Sr. Antenna Design EngineerIndustry: Space TechnologyLocation: Ahmedabad, Gujarat, India Role Type: Full-time Experience Requirement: 4-6 years Key Responsibilities:We are seeking an exceptional Sr. Antenna Design Engineer to lead the design and development of a large deployable reflectarray antenna for our spaceborne SAR payloads.Design and develop deployable reflectarray antennas for spaceborne Synthetic Aperture Radar (SAR) payloads, from concept through flight hardwareDesign and optimize the Horn antenna feed system and characterize feed-to-aperture illuminationPerform full-wave and physical-optics modeling, including periodic (Floquet) unit-cell analysis and full-aperture radiation predictionOptimize the antenna for deployment/manufacturing tolerances.Work closely with mechanical and structures teams on the folding architecture, stowed/deployed envelope, and surface accuracy requirements for a large apertureAnalyze and control key performance metrics: gain, beamwidth, sidelobe levels, cross-polarization, and bandwidth, including sensitivity to deployment repeatability and thermal distortionPerform engineering calculations and link/aperture trade studies to determine antenna performance from design parametersPlan and perform antenna characterization and near-field/far-field measurement campaigns, including verification of deployed performanceEvaluate vendors and supply chain for antenna fabrication, materials, and RF hardwareRequirements:4–6 years of experience in EM/antenna design, with hands-on reflectarray, phased-array, or aperture-antenna work strongly preferredWorking knowledge of ANSYS HFSS is required (unit-cell and full-wave simulation)Experience with TICRA Tools (GRASP / QUPES / ESTEEM) for reflectarray and reflector analysis is a strong plusSolid grasp of reflectarray theory: unit-cell phase response, periodic boundary/Floquet analysis, feed design, and aperture synthesisFamiliarity with deployable/large-aperture antenna concepts and the RF-mechanical tradeoffs(surface tolerance, panel alignment, deployment repeatability)Understanding of SAR antenna requirements (X - band as applicable) and space-hardware constraintsHands-on experience with RF lab instrumentation and antenna measurement (network analyzers, spectrum analyzers, near-field/far-field ranges)Excellent interpersonal and communication skills Apply Now