SENIOR DSP & RTL DESIGN ENGINEER

About Us:

Join a team that is redefining the accessibility of space. Azista space is a transformative force in the global aerospace sector, uniquely positioned at the intersection of indigenous innovation and industrial scalability. Operating Indias first private-sector satellite mass-production facility in Ahmedabad, we have bridged the gap between complex engineering and high-volume manufacturing

.
As a vertically integrated leader, we provide end-to-end solutions from the precision design of satellite buses and advanced payloads to mission management and communication systems. We dont just build hardware, we are democratizing the final frontier by providing global clientele with the cost-effective, high-performance technology needed to power the next generation of orbital missions. At Azista, you won't just be starting a job, youll be fuelling the future of space exploratio

n.

About the R

ole:
Azista Space is looking for a Senior DSP & RTL Design Engineer to lead the development of advanced satellite communication modems for next-generation space systems. You will drive the design and implementation of high-performance SDR-based communication systems, working across DSP algorithms, RTL development, FPGA implementation, and RF integra

tion.
This role offers the opportunity to work on cutting-edge DVB-S2/S2X, telemetry, telecommand, and high-throughput satellite communication systems that directly contribute to future space mis

sions.

Roles & Responsib

ilities:
Modem Architecture, DSP & RTL De

• velopmentArchitect end-to-end communication modem solutions for satellite telemetry (TM), telecommand (TC), and high-throughput DVB-S2/S2X communication
• systems.Design and implement PHY-layer architectures including framing, synchronization, modulation, pulse shaping, and channe
• l coding.Develop RTL implementations for complete transmitter and receiver chains with a focus on performance, reliability, and resource opti
• mization.Conduct link budget analysis and optimize spectral efficiency, throughput, and link ro

bustness.
Communication Algorithms & Signal

• ProcessingDesign and validate synchronization algorithms for carrier recovery, timing recovery, frame acquisition, and
• tracking.Develop advanced error correction schemes using LDPC, BCH, Turbo Codes, Reed-Solomon, and Convolution
• al Coding.Build receiver pipelines for synchronization, decoding, packet reconstruction, and channel impairment m
• itigation.Evaluate modem performance using BER, FER, EVM, and spectral complianc

e metrics.
DVB-S2 / DVB-S2X Modem

• EngineeringImplement DVB-S2/S2X PHY-layer functionality
• including:LDPC and BCH encodi
• ng/decodingQPSK, 8PSK, 16APSK, and 32APSK
• modulationPhysical layer framing and pilot
• structuresSupport Adaptive Coding and Modulation (ACM) techniques to maximize link
• efficiency.Optimize modem architectures for latency, throughput, power consumption, and FPGA resource u

tilization.
FPGA & Real-Time Base

• band SystemsDevelop and optimize FPGA-based modem implementations using Xilin
• x platforms.Design high-throughput streaming architectures utilizing AXI4-Stream and real-time DSP processing
• techniques.Implement fixed-point DSP algorithms while managing quantization effects and timing
• constraints.Drive timing closure, resource optimization, and hardware validation

activities.
RF Sampling & Transceive

• r IntegrationDesign SDR signal chains utilizing direct RF sampling, IF sampling, and multi-Nyquist samplin
• g techniques.Define ADC/DAC architectures considering aliasing behavior, clocking strategies, jitter impact, and spectral
• performance.Integrate modem systems with RF transceive
• rs inc
• luding
• :AD9361
• AD9371AFE7950Validate JESD204B/C interfaces, DUC/DDC processing chains, and overall system

performance.
System Integration & Hardw

• are ValidationCollaborate with RF, FPGA, hardware, and system engineering teams to deliver fully integrated communicati
• on subsystems.Support hardware bring-up, integration, debugging, and performance cha
• racterization.Troubleshoot synchronization issues, decoding failures, RF impairments, and interfac
• e bottlenecks.Contribute to technical reviews including PDR, CDR, qualification, EMI/EMC, and environmental validati

on activities.

Required Qualificatio

• ns & Skills:
  Bachelor's or Master's degree in Electronics, ECE, Communication Systems, Signal Processing,
• or related field.5+ years of experience in DSP, SDR, modem design, FPGA development, or digital commu

nication systems.
St

• rong expertise
• in:DSP AlgorithmsRTL Des
• ign (Verilog/VHDL)FPGA Developme
• nt (Xilinx Vivado)Digital Com
• munication Syste
• msDVB-S2 / DVB-S2
• XSDR ArchitecturesSynchron
• ization TechniquesLDPC, BCH, Turbo & R
• eed-Solomon CodingQPSK, PSK, APSK
• Modulation SchemesExperience with MATLAB and Python for algorithm developme
• nt and simulation.Understanding of RF systems, ADC/DAC architectures, JESD204B/C, and high
• -speed interfaces.Strong debugging, problem-solving, and cross-functional col

laboration skills.
Prefe

• rred QualificationsExperience in Satellite Communications, Aerospace, Defence
• , or Space Systems.Hands-on experience with high-reliability communication mod
• em implementations.Familiarity with RF impairments, EVM analysis, link budgets, and communication