| Location | Indianapolis, IN |
| Industry | Other/Not Classified |
| Company Size | 100 to 499 employees |
| Year Founded | 1983 |
| Website | http://apollopros.com/ |
Embedded Software Engineer-MST
Indianapolis IN
Contract - 1st Shift, 5/40
Schedule: Onsite (Monday through Friday, 9:00 AM - 5:00 PM EST)
Pay Rate: $75.54/Hr.
Benefits: medical, dental, vision, 401k
Required Qualifications: Embedded Software Engineer-MST
Bachelors degree.
Strong experience with:
Embedded C (mandatory)
Bare-metal and RTOS-based firmware
ARM Cortex-M microcontrollers
Interrupt-driven architectures
DMA, timers, watchdogs, GPIO, UART, SPI, and I2C
Bootloaders and firmware update systems
Debugging with J-Link, SWD, and GDB
Low-power firmware design
Experience working on wireless communication technologies such as RF, Sub-GHz, or Z-Wave.
Ability to work independently.
Clear communication skills.
Ability to document decisions and collaborate with hardware engineers.
Position Summary: Embedded Software Engineer-MST
Responsibilities: Embedded Software Engineer-MST
Preferred Qualifications: Embedded Software Engineer-MS
Experience with:
Z-Wave
Proprietary Sub-GHz protocols
Mesh networking
Low-power wireless sensor networks
RF coexistence
OTA firmware updates over wireless
Experience with:
Silicon Labs wireless SDKs
Modifying MAC/PHY behavior
Implementing custom protocol layers
Experience with:
Simplicity Studio
Silicon Labs Gecko SDK
Silicon Labs wireless stack APIs
Z-Wave 700/800 series
SmartStart
S2 security
OTA DFU mechanisms
Zniffer packet analysis
PTI packet tracing
Security experience with:
Secure boot
Firmware signing
Key provisioning
Encrypted OTA updates
Secure pairing/authentication
Replay protection
Secure storage of credentials
Experience with:
Modular firmware architecture
State-machine design
Event-driven systems
Git workflows
CI/CD for firmware
Automated testing
Hardware abstraction layers
Documentation discipline
RF engineering knowledge including:
Antenna/layout awareness
RF sensitivity optimization
Link-budget analysis
Sub-GHz propagation behavior
EMC/EMI troubleshooting
FCC/CE certification support
Spectrum analyzer/VNA familiarity