Platform Software Porting Engineer

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 Platform Software Porting Engineer. You will be designing, developing, and testing the porting foundation of TrellisWare’s partner radio vendor Software Defined Radio products.  You will have the opportunity to work closely with partner radio vendor specific embedded hardware, vendor specific software architecture/execution environment, platform peripheral/interface abstractions, and inter-processor communication mechanisms. Experience with precise software and system security, and/or deep audio, video and data network processing are each highly desirable for this position.

The essential duties and responsibilities include:

• Design, develop, and test software platform execution environments


• Generate, configure, and maintain Linux and RTOS based hardware abstraction layers, including inter-processor and inter-process communication abstractions


• Design, update, and extend hardware specific software component variants


• Facilitate hardware specific software component performance verification with targeted code


• Perform feasibility studies and performance analysis of critical system software on associated hardware platforms; Aid in evaluating new hardware architectures and associated software runtime environment performance analysis


• 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 developing embedded Linux based and/or RTOS based board support packages


• Two years of experience with Yocto Project


• Experience with common software debugging and lab test equipment


• 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:

• Customization for embedded Linux subsystems and/or tailored lower-level Real-time operating system components


• Deep proficiency in C/C++ and Python


• 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


• Efficient, high data throughput systems, DMA, minimum copy systems, and overload control


• Run time diagnostics, Built In Test (BIT), and logging across multiple radio subsystems


• Distributed revision control systems and common embedded Linux and/or RTOS 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 5 kilograms, frequently lift and/or move up to 12 kilograms, and occasionally lift and/or move up to 23 kilograms.


• 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:

• Must be an EU resident.


• Must speak at least one European language besides English.


• Must be able to travel internationally for work as required.

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.