Software Engineer, Embedded Linux

TrellisWare launched in 2000 with an innovative culture striving to push technological boundaries in the area of wireless communications. We are now a worldwide leader in highly advanced algorithms, waveforms, and communications systems that range from small form factor radio products to fully integrated solutions.

At TrellisWare, we connect passion with purpose and together we make an impact- on our careers, our company, and the world. And you can too. If you love to innovate and collaborate amid chaos and change, you belong at TrellisWare. Where the opportunity to serve is not a challenge but a gift. Where you're never going alone. Because there's too much at stake to go solo.

Our Radio Products Team is seeking a Software Engineer, Embedded Linux (Platform BSP). You will be designing, developing, and testing the foundation for TrellisWare's Software Defined Radio products. You will have the opportunity to work closely with the Hardware Design Team in designing high performance power-efficient code making use of cutting-edge hardware. Also to work with radio system SW to facilitate accelerated development of complex radio functions and user services. Experience with precise control of RF, analog circuitry, software and system security, rich multi-processor SoCs, FPGAs and peripherals, and/or deep audio, video and data network processing are each highly desirable for this position.

The essential duties and responsibilities include:

• Design, implement, integrate, and test firmware for Software Defined Radio product platforms.
• Facilitate hardware design verification with targeted code.
• Generate, configure, and maintain Linux-based board support packages.
• Generate, configure, and maintain bare-metal and RTOS packages for secondary control and auxiliary microcontrollers.
• Perform feasibility studies and performance analysis of critical system software on associated hardware components.
• Interface with common Linux services and protocols.
• Document and present design alternatives using standard professional practices and corporate defined engineering processes.
• Work cross functionally to measure, debug, and optimize overall radio system performance.

Education and work experience requirements are:

• Bachelor's degree in Electrical/Computer Engineering, Computer Science or related field of study required.
• Minimum of four years' experience integrating with embedded Linux and four years of embedded software development experience.
• Two years of experience with Yocto Project.
• Experience with common lab test equipment (i.e. oscilloscope, logic analyzer).
• Experience with Object-oriented design, data link layer and device drivers as well as ARM based processors.
• Experience with embedded communications/wireless systems preferred.

To be considered for this position, you would need to meet, at a minimum, the knowledge, skills, and abilities listed here:

• Linux subsystems, Real-time operating systems, and bare-metal design.
• Integrating with open-source applications.
• Deep proficiency in C and C++.
• Configuration and control of Radio Frequency Receive and Transmit front ends, and transceiver control.
• Embedded system security including secure boot, tamper detection, secure SW upgrade, key management, user authentication and encryption, networking security protocols.
• Power efficient design including working with multi-power domain systems, voltage and frequency scaling, and system thermal management.
• Efficient, high data throughput systems, DMA, minimum copy systems, and overload control.
• Run time diagnostics, BIT, and logging across multiple radio subsystems.
• Distributed revision control systems and common embedded Linux development tools (i.e. compilers, linkers, and debuggers).
• Strong written and verbal communication skills.

The physical demands described here represent those that must be met in order to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable those with qualified disabilities.

• Able to frequently sit, stand, walk, use hands to fingers, handle or feel, reach within hands and arm's length, stoop, kneel, and crouch, talk and hear.
• Regularly required to sit for extended periods of time; frequently required to use office equipment such as PC, printer, telephone, etc.
• Able to regularly lift and/or move up to 10 pounds, frequently lift and/or move up to 25 pounds, and occasionally lift and/or move up to 50 pounds.
• Specific vision abilities required by this job include close vision, distance vision, color vision, peripheral vision, depth perception, and ability to adjust focus.

Additional requirements are:

• U.S. Citizenship or Permanent Residency

Note: Many of TrellisWare's positions require a security clearance or the ability to obtain one. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information.

Disclaimer - The above statements are not intended to be an exhaustive list of all responsibilities, duties and skills required of personnel so classified. Nothing in the job description restricts the company's right to change, assign, or reassign duties and responsibilities at any time for any reason.

*TrellisWare Technologies, Inc. is an EEO/AA/Disability/Vets Employer.*

Check out the Careers page for more information about working at TrellisWare Technologies.