Mixed-Signal Hardware Engineer

About EMTensor EMTensor develops electromagnetic (microwave) tomography systems for brain imaging - scanners that detect and monitor stroke at the bedside and in the ambulance. We are headquartered in Vienna, Austria, with an engineering office in Bengaluru, India. The team is small, so the engineer who designs something owns it end to end. 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Please upgrade your browser to improve your experience. Home Applications Continuous 24/7 Brain Imaging of Stroke Patients Bedside Brain Imaging In Ambulance Brain Imaging for Triage of Stroke Patients Our Technology Overview Features Publications About us Our Company Our History Clinical and Scientific Advisory Board Recruitment Investment Patent Portfolio Contact us Request a Pitch Deck Mixed-Signal Hardware Engineer About EMTensor EMTensor develops electromagnetic (microwave) tomography systems for brain imaging - scanners that detect and monitor stroke at the bedside and in the ambulance. We are headquartered in Vienna, Austria, with an engineering office in Bengaluru, India. The team is small, so the engineer who designs something owns it end to end. The Role You own the circuit design of our mixed-signal boards: an analogue front end, an RF chain around 1 GHz, and the digitization stage that follows it. Roughly half the board is analogue. Layout is handled by a dedicated PCB engineer on the same team. Your job is to design the circuit and brief that engineer well - not to route it yourself. Your First Six Months We would rather tell you exactly what the work is than describe it in general terms. Weeks 1-4 Work through the existing package: 22 schematic sheets, eight-layer Gerbers, drill data, a 55-part BOM. Rebuild the board project from the manufacturing files. Months 1-4 Close out seven discontinued parts. The ADRF6701 is on the critical path. For each part, a verdict: drop-in, same footprint, or block rework. Months 4-6 Get a batch built. Brief the fabricator and the assembler, accept the boards, work through the findings. Throughout Compare against the reference board. Work with the FPGA engineer on which substitutions touch the firmware. What We Are Looking For Board-level analogue and RF circuit design - schematics you designed, built and brought up. Analogue: operational amplifiers, differential drivers, active and passive filters, voltage references, noise budget, dynamic range. RF: mixers, quadrature modulators and demodulators, PLL, VCO, frequency synthesizers, LNAs, attenuators, RF switches, impedance matching, S-parameters, noise figure. Data conversion: ADC and DAC, resolution and sample rate, differential inputs, anti-aliasing filters, common-mode levels, clock jitter. Component work: alternates, obsolescence, EOL and NRND, pin and footprint compatibility, second source, lead times. This is the bulk of the first few months. Altium Designer (Allegro, OrCAD, KiCad or PADS also considered). Board bring-up and debug on real hardware - you have seen a live board, not only CAD. Measurement: oscilloscope, spectrum analyzer, vector network analyzer, signal generator. Manufacturing and documentation: Gerbers, BOM, DFM, board acceptance, design documentation, change control. An understanding of what layout needs from you: stack-up, controlled impedance, differential pairs, return current, EMC. Based in Bengaluru. This role is on site; we are not relocating for it. Nice to Have A background in radar, instrumentation or scientific equipment. SPICE or LTspice simulation. Experience rebuilding or re-issuing an existing design rather than starting from a blank sheet. A Note on Scope This is board-level design, not IC design. In India the title “Analog Design Engineer” often means work inside the chip - Virtuoso, tape outs, process nodes. That is a different profession and not what this role is. PCB layout is a separate position on the same team, which we are hiring for in parallel. This Role May Not Suit You If Your experience is digital logic only, with no analogue or RF. Your design work has been academic, or limited to evaluation boards. Your recent work is repair and commissioning rather than design. How to Apply Send your CV to lizaveta.shatalava@emtensor.com . Please put the role title in the subject line. We read every application ourselves and reply to each one. If your CV lists tools without projects, add a few lines about one board you worked on - that is what we look at first. EMTensor GmbH