Sarabjeet Singh

Full-Stack Logistics Architect · Radio Operator · Polar Explorer

BITS Pilani (M.Tech)NCPORHAM OperatorAntarctica + Arctic
← Back to PortfolioDownload PDF
Education

M.Tech — Environmental Engineering

BITS Pilani

Currently Pursuing

B.Tech — Electronics & Communication

Kurukshetra University

Graduated 2018

Certifications

Amateur Radio Operator (HAM)

Licensed since 2016

Polar Bear Safety Guard

M77 rifle · Flare gun

Hardware & Tools

3D Design & CAD

Autodesk Fusion 360Mechanical DesignOrganic Sculpting

3D Printing

Bambu Lab P1STevo TornadoCreality Ender 3FDM

Prototyping

ArduinoRaspberry PiCNC MachiningDIY PCB (Etching)
Software Stack

Backend

PythonFlaskCeleryRedisPostgreSQL

Frontend

TypeScriptNext.jsReactTailwind CSS

RF & Comms

VHF / UHFHAM RadioYagi DesignSatellite Comms
Professional Experience

Aug 2024 — Present

Project Scientist I — Arctic Operations

NCPOR (National Centre for Polar and Ocean Research) · Ny-Ålesund, Svalbard (Arctic)

  • Station Coordinator of Indian Arctic Station Himadri (Ny-Ålesund, Svalbard).
  • Manages Balmer Lawrie cargo logistics and Kings Bay AS Fjord bookings.
  • Conducts monthly CTD transects in Kongsfjorden and Krossfjorden.
  • Maintains High Volume Samplers at Gruvebadet atmospheric research lab.
SvalbardCTD TransectsCargo LogisticsEnvironmental Sampling

2023 — Present (Internal)

Lead Software Architect — POLAR App

NCPOR (Internal Project) · Remote / Goa

  • Single-handedly built the POLAR app (Platform for Logistics and Research): a Flask/Python ERP with 9,000+ lines of code and 40+ database models.
  • Automated generation of 12-page international customs documents for Arctic expeditions.
  • Implemented async task queues with Celery/Redis and QR-based cargo tracking.
  • Built PDF ticket-parsing automation to extract and index flight/logistics data.
  • Designed 3D printed institutional mementos for IISF (Polar Bear) and Foundation Day (Bear/Penguin/Globe).
Python / FlaskCelery / RedisQR TrackingPDF Automation9,000+ LOC

Nov 2022 — Mar 2024 (17 Months)

Radio Operator — 42nd & 43rd Indian Scientific Expedition

Maitri Station, Antarctica · Queen Maud Land, Antarctica

  • Solved critical line-of-sight communications failures across the 200km C18 VHF convoy grid.
  • Built a 5-element VHF Yagi from wood and aluminum in sub-zero field conditions.
  • Established a VHF repeater at Vethiya point to enable long-range convoy communications.
  • Tested antenna performance from a crane height using a custom tactical antenna.
  • Configured 8Mbps SES-5 satellite internet link working nights with ECIL engineers.
  • Flew Bassler aircraft to Bharati Station to install a secondary communications repeater.
  • Served as Ship Radio Operator during Southern Ocean transit.
VHF GridYagi AntennaSES-5 SatelliteC18 ConvoyAntarctica

Previous

Design Engineer

Phoenix Enterprises · India

  • Converted 2D AutoCAD technical drawings to full 3D STEP files in Autodesk Fusion 360.
  • Conducted stress simulations and part-fitment testing for manufacturing validation.
Fusion 360AutoCADStress SimulationSTEP Files

Self-Directed

Founder

Hobbytivity · Independent

  • Designed, 3D-printed, and sold a highly successful 7-element dual-band VHF/UHF antenna optimised for amateur satellite communication (AO-51, SO-50, NOAA).
  • Executed freelance projects in web design, 3D modelling, and custom bakery cookie cutters.
7-Element YagiSatellite CommAO-51 / NOAA3D Printing

Previous

RF Engineer

HF Signals Pvt Ltd / Exeedspace · Hyderabad

  • Developed testing protocols for the Exceed Sat1 satellite communication platform.
  • Built a CAT control system mobile app for Microbitx transceivers.
  • Funded personal R&D side projects by driving Uber/Ola (two-wheelers) part-time.
Exceed Sat1CAT ControlMicrobitxMobile App

Independent Project

Independent Engineer — HABSAT

High Altitude Balloon Satellite · India

  • Designed and fabricated a custom PCB multiplexer using an Arduino Mega.
  • Integrated BMP120 pressure, UV sensors, GPS module, and 433MHz radio transmitter.
  • Calculated helium fill and trajectory for balloon altitude experiments.
  • Recovered the payload using SMS-based GPS coordinates and a 3-element Yagi fox hunt.
Arduino MegaPCB FabricationGPS TrackingBalloon Satellite433MHz

Sarabjeet Singh · Full-Stack Logistics Architect · Available for Mission-Critical Projects