{"id":802213,"url":"https://alion.io/job/trellisware-software-engineer-modem-bsp","title":"Software Engineer, Modem BSP","company":{"id":686090,"name":"TrellisWare","domain":"trellisware.com","url":"https://alion.io/company/trellisware","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"A","score":88,"open_postings":26,"ghost_share":0.115,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":97,"computed_at":"2026-11-02T06:13:15Z"}},"role":"Backend","role_family":"Backend","seniority":"middle","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["San Diego, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":115000,"max":200000,"currency":"USD","period":"year","gross":null,"usd_annual":200000},"salary_estimate":null,"experience_years_min":4,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C++","optional":false},{"name":"FreeRTOS","optional":false},{"name":"GitHub","optional":false},{"name":"JTAG Debuggers","optional":false},{"name":"Linux","optional":false},{"name":"Python","optional":false},{"name":"RTOS","optional":false}],"status":"live","first_seen_at":"2025-11-21T20:03:52Z","employer_posted_date":"2026-10-14","last_verified_at":"2026-11-02T21:17:22Z","board_verified":true,"closed_at":null,"days_open":346,"trust":{"level":"ghost","repost_count":0,"flags":["stale","company_stale"],"days_open":345},"description":"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.\nAt 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 in a dynamic environment where boundaries are being pushed, 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.\nOur Radio Products Team is seeking a hybrid Software Engineer, Modem BSP. You would be responsible for working on next generation self-networking hand-held radios for domestic and foreign defense forces. A typical day might start with you working in your personal office designing and implementing an initialization routine, hardware driver/abstraction layer, or a real-time operating system abstraction layer. It could move into one of our many state-of-the-art labs with your teammates to bring up your design on physical hardware. Enhancing cohesiveness and maintaining team morale is a responsibility of all our team members, as is the ambition for self-improvement and talent development. Through this dedication to unity and professional advancement, each team member is directly impacting the successful outcome of TrellisWare’s deliverables and setting the tone for our core values of delivering excellence, pushing boundaries, and empowering people.\nThe essential duties and responsibilities include:\nDesign, implement, integrate, and maintain:Hardware adaptation, device drivers, bootloader configuration.\nSystem initialization.\nCustomization and optimizations for specific hardware and operating systems.\n\nPerform feasibility studies, and performance analysis of real-time operating system performance and portability on specific hardware targets.\nDocument and present design alternatives using standard professional practices and corporate defined engineering processes.\nDevelop relationships with team members built on trust and respect.\nEducation and work experience requirements are:\nBachelor's degree in Electrical/Computer Engineering, Computer Science or related field of study required.\nMinimum of four years’ experience integrating with a real-time operating system (Nucleus, FreeRTOS, VxWorks) and four years of embedded software development experience.\nDeep proficiency in C and C++.\nExpertise in embedded systems architecture, hardware/software interaction, inter-processor communications, asymmetric multiprocessing, and Linux sub-system interaction.\nExperience using debugging tools such as oscilloscopes, logic analyzers, JTAG debuggers, test script usage.\nExperience with Object-oriented design, data link layer and device drivers as well as ARM based processors.\nTo be considered for this position, you would need to meet, at a minimum, the knowledge, skills, and abilities listed here:\nReal-time operating systems for embedded products.\nIntegrating with hardware drive driver adaptations, operating system abstractions and boot sequencing.\nGeneral Linux sub-system fundamentals.\nC/C++ and Python.\nDistributed revision control systems (GitHub), and common RTOS development tools (i.e. compilers, linkers, and debuggers).\nYou can think on your feet - you are analytical, pay attention to detail and are able to communicate your thought process both written and verbally.\nYou are able, and enjoy working independently as well as in a team environment.\nStrong collaborative drive and interpersonal skills.\nStrong initiative, proactive work ethic and prioritization skills.\nTrustable judgement and analytical problem-solving skills.\nEffective execution and decision making.\nChampion of change and promotes innovation.\nStrong written and verbal communication skills.\nThe 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.\nAble 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.\nRegularly required to sit for extended periods of time; frequently required to use office equipment such as PC, printer, telephone, etc.\nAble 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.\nSpecific vision abilities required by this job include close vision, distance vision, color vision, peripheral vision, depth perception, and ability to adjust focus.\nAdditional requirements are:\nU.S. Citizenship or Permanent Residency\nNote: 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.\nTrellisWare Technologies pays competitively according to the market in an individual's geographic location, in addition to their qualifications and experience. The posted range is annually and for individuals located in the San Diego, CA area.\nSan Diego, California Pay Range\n$115,000—$200,000 USD\nDisclaimers\nThe 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.\nAs part of our onboarding process, we conduct background checks, where legally permitted and appropriate for the role, in accordance with applicable laws, regulations, and privacy requirements.\n By submitting your application, you acknowledge that TrellisWare Technologies may collect, process, use and obtain your personal information for recruiting and hiring purposes in accordance with applicable data protection and privacy laws. Please review our Employee-Applicant Privacy Notice for more information.\n*TrellisWare Technologies, Inc. is an EEO/AA/Disability/Vets Employer.*\nCheck out the Careers page for more information about working at TrellisWare Technologies.","description_format":"text","description_chars":6538,"description_truncated":false,"requirements":{"experience_years_min":4,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["RF & Wireless Hardware","Military Communication"],"lifecycle":[{"event":"open","at":"2026-09-12T08:28:01Z"}],"visa":[],"liveness":{"score":8,"band":"cold","label":"Long shot","p_open":1,"p_active":0.3,"p_room":0.28,"age_days":345,"expected_fill_days":97,"reasons":["conf:2","velocity","ghost","win:tail","crowd:"],"computed_at":"2026-11-02T06:13:15Z"},"pay":{"stated_usd_annual":200000,"is_top_pay":true},"html_url":"https://alion.io/job/trellisware-software-engineer-modem-bsp","json_url":"https://alion.io/job/trellisware-software-engineer-modem-bsp.json","meta":{"generated_at":"2026-11-02T21:30:10Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":30059,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-03T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":686090},"rest":"https://alion.io/mcp/rest/get_company?id=686090"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Ftrellisware-software-engineer-modem-bsp"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Ftrellisware-software-engineer-modem-bsp"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Ftrellisware-software-engineer-modem-bsp"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/trellisware-software-engineer-modem-bsp\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Ftrellisware-software-engineer-modem-bsp"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":802213}},{"tool":"search_jobs","arguments":{"company":"trellisware.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":802213},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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