Senior Software Engineer, Embedded Systems

Laminar (Formerly H2Ok Innovations)

. Own the sensing signal chain, including ADC acquisition and timing, filtering, integration and averaging strategy, and calibration .

Posted 9/24/2026full-timeSomerville • Massachusetts • United StatesSenior💰 $114,000 - $180,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in embedded software development for sensors, with a strong focus on firmware design, integration, and calibration. Proficient in addressing noise challenges and optimizing signal chains for reliable performance in customer deployments.

Highest-signal resume keywords

Embedded C/C++ ProgrammingProduction Zephyr ExperienceSignal Chain Design and DebuggingFirmware Development for SensorsNetwork Configuration and Troubleshooting

ATS Keywords

Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills

Embedded Software DevelopmentSignal ProcessingADC AcquisitionCalibration TechniquesDevice Driver ModelUnit TestingAnalog ConceptsOptical SensingElectrical SensingIntegration of Sensing Elements

Soft Skills

OwnershipTechnical DirectionCollaboration with IT and OT TeamsDocumentation SkillsProblem-Solving

Tools & Technologies

ZephyrDevicetreeKconfigWestPLC Connections

Industry Keywords

Embedded SystemsInstrumentationSensor TechnologyNoise ChallengesProductionization

Tech Stack

Tools & technologies

C++

About the role

Key responsibilities & impact

Own the sensing signal chain, including ADC acquisition and timing, filtering, integration and averaging strategy, and calibration
Integrate new detectors and sensing elements as the sensor lineup evolves
Own integration from board bring-up through production-ready drivers
Address vibration, EMI, thermal drift, and other noise challenges
Develop Zephyr firmware to interface new detectors with the modular sensor stack
Build firmware-side calibration, including on-device coefficient storage, third-party calibration procedures, and final sensor provisioning
Ship sensor drivers, OTA capabilities, and health monitoring to carry data to the Edge Gateway
Own the network and control-system layer of customer deployments
Configure networks, commission PLC connections, and troubleshoot integration issues from first install through steady-state operation
Work directly with customer IT and OT teams
Document recurring patterns so future deployments move faster

Requirements

What you’ll need

4+ years of experience building embedded software for sensors or instrumentation
Track record of owning the design, implementation, and success of significant components within a larger system
Comfortable defining technical direction, taking ownership, and delivering in a fast-paced product iteration cycle
Strong embedded C/C++ on microcontrollers
Production Zephyr experience
Fluent in devicetree, Kconfig, west, and the device driver model
Experience designing filters, addressing sampling and aliasing, and designing/debugging signal chains
Comfortable with analog concepts including ADCs, gain, references, grounding, and noise
Testing-focused approach with unit tests, hardware mocks, CI, and realistic data collection
Experience with optical and electrical sensing and emitters
Experience productionizing new sensing methodologies from prototype to deployed product

Benefits

Comp & perks

Competitive salary
Equity
401(k) with company match
Medical, dental, and vision coverage
Short- and long-term disability insurance
Life insurance
Flexible time off / flexible PTO
12 company-paid holidays
Conference and learning budget
Greentown Labs membership
Transportation benefit, including $90/month transportation benefit
Health and wellness benefit, including $65/month benefit
FSA
Bonus opportunities
Dynamic and inclusive work environment
Opportunities for growth and professional development
Access to Greentown Labs' extensive network of cleantech startups
Rooftop lunches, ping pong matches, Lunch & Learns, and regular team events