Aaizel International Technologies Pvt Ltd

Aaizel helps organizations turn spatial and environmental data into actionable decisions. They implement AI-powered weather prediction, geospatial visualization and analysis, and edge analytics for…

AIAR/VRAVIATIONCYBER SECURITYDEFENCE & AEROSPACEEDGE ANALYTICSGENERATIVE AIGEOAIGEOSPATIALHIGH PERFORMANCE COMPUTINGIOTNOWCASTINGREAL STREAMING DATA ANALYTICSSATELLITE IMAGERY ANALYTICSWEATHER PREDICTIONSaaizeltech.com

Aaizel International Technologies Pvt Ltd

HQGurgaon, IN

Team Size33

Open Jobs41

Total Funding-

Latest FundraiseUnknown

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Sr. Hardware Engineer

On-SiteGurugram, Haryana, IN

On-Site • Gurugram, Haryana, IN

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Job description

Job Title: Senior Hardware Engineer

Company: Aaizel International Technologies Pvt. Ltd.

Location: On Site (Gurgaon)

Employment Type: Full Time

About Aaizeltech

Aaizeltech is a deep-tech company building AI/ML-powered platforms, scalable SaaS applications, and intelligent embedded systems. We’re looking for an experienced Senior Hardware Engineer (6-10 yrs) to work on advanced IoT & RF systems- especially LoRa-based devices, secure telemetry modules, and industrial IoT controllers.

We’re looking for a Senior/Principal Engineer who can independently drive end-to-end hardware + firmware development for advanced IoT/RF products

What You'll Work On

What You Should Bring

How to Apply

Please send your resume and a cover letter outlining your relevant experience to akansha@aaizeltech.com and smriti@aaizeltech.com

Complete hardware architecture ownership: requirements → schematics → PCB → bring-up → production

Mixed-signal PCB design (MCU, RF, power, sensors, high-speed & low-speed interfaces)

RF front-end design: SAW filters, LNAs, PAs, matching networks, antenna feed design

Sub-GHz RF layout (403 / 433 / 868 / 915 MHz): impedance control, grounding, isolation

Power system design:

Battery-powered systems (Li-ion / Li-SOCl₂ / supercaps)

DC-DC (buck/boost), low-noise LDOs, power sequencing

Ultra-low-power optimization and sleep-mode analysis

Antenna integration:

PCB, monopole, dipole, external antennas

S11 / VSWR tuning and real-world enclosure effects

Sensor & peripheral integration:

GNSS, IMU, barometric, temperature, humidity, industrial sensors

Analog front-ends, ADC accuracy, filtering, calibration

Firmware development on STM32 (WL / H / L / F series), PIC, and Raspberry Pi

LoRa PHY/MAC, custom packet framing, timing & synchronization

Design and implement end-to-end encrypted telemetry using AES-128 / AES-256

Hardware-assisted cryptography using MCU crypto engines (STM32 HW AES, RNG, HASH)

C / C++, FreeRTOS, low-power firmware architecture

Bootloaders, OTA / FOTA, firmware versioning & rollback strategies

RS485 / Modbus, RS232, CAN (if applicable)

Ethernet (TCP / UDP), MQTT, serial-to-IP gateways

Relay outputs, digital I/O isolation, surge & ESD protection

End-to-end product lifecycle ownership:

Prototype → validation → pilot → mass production

Board bring-up & debug (power, clock, reset, RF, peripherals)

DFM / DFA / DFT reviews with CM & PCB vendors

Test-point planning, bed-of-nails / functional test jig design

Component lifecycle management, alternates, BOM risk mitigation

EMI/EMC pre-compliance design & review (layout, filtering, shielding)

Support certifications (RF, safety, EMC) and field-failure analysis

6+ years in embedded hardware & firmware product development

Strong background in mixed-signal electronics, RF design, and power electronics

Proven experience with multi-layer PCB layout (2–6 layers), controlled impedance

Hands-on experience with oscilloscope, spectrum analyzer, VNA, logic analyzer, SWD/JTAG

Practical knowledge of ESD, surge protection, grounding & shielding techniques

Strong understanding of symmetric cryptography (AES) and practical embedded implementations

Experience implementing secure telemetry in constrained, low-power RF systems

Familiarity with secure bootloaders, encrypted firmware updates, and device provisioning

Shipped 3+ hardware products into real-world deployment

Comfortable owning failures, debugging in lab & field conditions

Experience working with contract manufacturers and test houses

Strong documentation, schematic annotation & design justification skills

EMI/EMC lab exposure (radiated & conducted emissions testing)

Environmental testing (thermal, vibration, humidity)

Knowledge of regulatory standards (ETSI / FCC / CE / WPC)