Sr. Antenna Design Engineer
Ahmedabad, Gujarat, IndiaFull-timePosted 2mo agoStill listed 4 days ago
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Job overview
PierSight Space seeks a Sr. Antenna Design Engineer in Ahmedabad to lead the design and development of large deployable reflectarray antennas for spaceborne SAR payloads, handling concept through flight hardware, optimizing feed systems, and coordinating with mechanical teams to meet performance and deployment requirements.
Skills & qualifications
Skills
Qualifications
Full job description
Role: Sr. Antenna Design Engineer Industry: Space Technology Location: 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 hardware
- Design and optimize the Horn antenna feed system and characterize feed-to-aperture illumination
- Perform full-wave and physical-optics modeling, including periodic (Floquet) unit-cell analysis and full-aperture radiation prediction
- Optimize 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 aperture
- Analyze and control key performance metrics: gain, beamwidth, sidelobe levels, cross-polarization, and bandwidth, including sensitivity to deployment repeatability and thermal distortion
- Perform engineering calculations and link/aperture trade studies to determine antenna performance from design parameters
- Plan and perform antenna characterization and near-field/far-field measurement campaigns, including verification of deployed performance
- Evaluate vendors and supply chain for antenna fabrication, materials, and RF hardware
Requirements:
- 4–6 years of experience in EM/antenna design, with hands-on reflectarray, phased-array, or aperture-antenna work strongly preferred
- Working 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 plus
- Solid grasp of reflectarray theory: unit-cell phase response, periodic boundary/Floquet analysis, feed design, and aperture synthesis
- Familiarity 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 constraints
- Hands-on experience with RF lab instrumentation and antenna measurement (network analyzers, spectrum analyzers, near-field/far-field ranges)
- Excellent interpersonal and communication skills
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