22nd Century Technologies, Inc. (TSCTI) logo

Embedded Software Engineer (only w2 contractors)

  • $75–$100 Per Hour
  • Full-time

Highlights

The Embedded Software Engineer will develop and maintain embedded firmware for ARM Cortex-M-based wireless systems, working closely with hardware and RF engineering teams. Location with zip code: 30 South Meridian Street Suite 500 Indianapolis, IN 46204.
22nd Century Technologies, Inc. (TSCTI)

Numbers & Facts

LocationIndianapolis, IN
Job TypeFull-time
Salary$75–$100 Per Hour
Company Size501 - 1000
Year Founded1997
HeadquartersMcLean, VA, US
Websitehttps://www.tscti.com/

Description

Job Title: Embedded Software Engineer (only w2 contractors) 

Location with zip code: 30 South Meridian Street Suite 500 Indianapolis, IN 46204 

Duration:  1 year (Temp to hire)   

Payrate : $75/hr. – $100/hr. $50-$65/hr. with 03 - 05 yrs. of experience

Shift:  1st 

Must have experience with: RF/Sub GHz/ Z-wave

 

 Summary:

  • The Embedded Software Engineer will develop and maintain embedded firmware for ARM Cortex-M-based wireless systems, working closely with hardware and RF engineering teams.
     

Required Skills:

  • Strong Embedded C experience.
  • Bare-metal and RTOS firmware development.
  • ARM Cortex-M/M33 experience.
  • Interrupt-driven architectures.
  • DMA, timers, watchdogs, GPIO, UART, SPI, and I2C.
  • Bootloaders and OTA firmware updates.
  • J-Link, SWD, and GDB debugging.
  • Low-power firmware development.
  • Strong wireless/sub-GHz experience, preferably Z-Wave.
  • Mesh networking and wireless sensor networks.
  • Silicon Labs EFR32, Simplicity Studio, and Gecko SDK experience preferred.
  • Z-Wave 700/800, SmartStart, S2 security, Zniffer, and PTI experience preferred.
  • Knowledge of secure boot, firmware signing, encrypted OTA, and secure authentication.
  • RF/EMC/EMI troubleshooting knowledge is a plus.
  • Git, CI/CD, automated testing, and modular firmware architecture preferred.

 

Responsibilities:

  • Develop, debug, and maintain embedded firmware.
  • Develop wireless and sub-GHz communication features.
  • Implement bootloaders and OTA firmware updates.
  • Debug hardware and wireless issues using J-Link/SWD/GDB.
  • Optimize firmware for low-power applications.
  • Work with hardware and RF engineers on system integration and troubleshooting.
  • Support embedded security and wireless protocol development.
  • Document technical designs, testing, and troubleshooting.

Job Responsibilities

Responsibilities:

  • Develop, debug, and maintain embedded firmware.
  • Develop wireless and sub-GHz communication features.
  • Implement bootloaders and OTA firmware updates.
  • Debug hardware and wireless issues using J-Link/SWD/GDB.
  • Optimize firmware for low-power applications.
  • Work with hardware and RF engineers on system integration and troubleshooting.
  • Support embedded security and wireless protocol development.
  • Document technical designs, testing, and troubleshooting.

Qualifications

Required Skills:

  • Strong Embedded C experience.
  • Bare-metal and RTOS firmware development.
  • ARM Cortex-M/M33 experience.
  • Interrupt-driven architectures.
  • DMA, timers, watchdogs, GPIO, UART, SPI, and I2C.
  • Bootloaders and OTA firmware updates.
  • J-Link, SWD, and GDB debugging.
  • Low-power firmware development.
  • Strong wireless/sub-GHz experience, preferably Z-Wave.
  • Mesh networking and wireless sensor networks.
  • Silicon Labs EFR32, Simplicity Studio, and Gecko SDK experience preferred.
  • Z-Wave 700/800, SmartStart, S2 security, Zniffer, and PTI experience preferred.
  • Knowledge of secure boot, firmware signing, encrypted OTA, and secure authentication.
  • RF/EMC/EMI troubleshooting knowledge is a plus.
  • Git, CI/CD, automated testing, and modular firmware architecture preferred.
     

About Company

22nd Century Technologies, Inc. (TSCTI) is one of the fastest-growing IT services integrators and workforce solutions providers in the United States. Founded in 1997, TSCTI is a Certified National Minority Business Enterprise (MBE) with a workforce of over 6,000 professionals, including more than 600 cybersecurity subject matter experts (SMEs), supporting clients across all 50 U.S. states, Canada, and Mexico.

Headquartered in Princeton, New Jersey, and McLean, Virginia, TSCTI operates through 14 offices nationwide. Our commitment to quality, security, and operational excellence is reflected in our adherence to industry-leading standards and certified mature processes, including CMMI Level 3 for Development and Services, ISO 20000, ISO 27001, and ISO 9001.

With a strong focus on the public sector, TSCTI currently supports 14 of the 15 Federal Executive Departments, 37 additional federal agencies, all 50 state governments, more than 115 local government agencies, and 37 school districts. Over the past three years, we have significantly expanded our commercial footprint and now serve more than 80 Fortune 500 and commercial clients.

Recognized by Forbes as one of the “Best Companies to Work For,” 22nd Century Technologies consistently exceeds client expectations through a customer-centric approach, delivering exceptional talent and innovative solutions while fostering a culture that motivates, values, and empowers its employees.

https://www.tscti.com/current-openings

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