{"id":2584721,"url":"https://alion.io/job/job-mail-senior-firmware-engineer","title":"Senior Firmware Engineer","company":{"id":701519,"name":"Job Mail","domain":"jobmail.co.za","url":"https://alion.io/company/job-mail","size_band":null,"is_staffing_agency":true,"employer_type":"agency","is_intermediary":true,"listed_via":"jobmail.co.za","ats_vendor":"Schema","truth_index":{"grade":"C","score":64,"open_postings":6738,"ghost_share":0.497,"stale_share":0,"repost_share":0.723,"time_to_fill_p50_days":7,"computed_at":"2026-10-20T05:45:00Z"}},"role":"Hardware","role_family":"Hardware","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["South Africa"],"countries":["ZA"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":26000,"max_usd":59000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":1777},"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C++","optional":false},{"name":"CI/CD","optional":false},{"name":"FreeRTOS","optional":false},{"name":"Git","optional":false},{"name":"RTOS","optional":false},{"name":"Python","optional":true}],"status":"live","first_seen_at":"2026-10-15T00:20:41Z","employer_posted_date":"2026-10-15","last_verified_at":"2026-10-15T00:20:41Z","board_verified":false,"closed_at":null,"days_open":5,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":5},"description":"A South African security communication and telemetry company is seeking a hands-on Senior Firmware Engineer to take technical ownership of the end-to-end design, development, and maintenance of embedded firmware for the company's communicators, alarm panels, and IoT security devices.NB: Willing to pay relocation costs for the right candidate.\nResponsibilities:\nFirmware Architecture & Development: Design, implement, and maintain low-latency C/C++ firmware for microcontrollers (ARM Cortex-M) powering GSM/LTE communicators and alarm panels.\n\nCommunications & Protocols: Develop and optimize driver stacks (UART, SPI, I2C), cellular communications (GSM/LTE), and protocol handlers for reliable bi-directional alarm signaling.\n\nSystem Reliability & Security: Implement diagnostics, watchdog/recovery mechanisms, logging, and security practices to ensure maximum uptime and power efficiency.\n\nHardware Integration & Bring-Up: Collaborate with hardware teams on schematic reviews, board bring-up, signal integrity, and design-for-manufacture (DFM).\n\nSoftware & Cloud Integration: Support OTA firmware updates, device provisioning, and backend/cloud API interfaces alongside the software team.\n\nTesting, Field Support & Compliance: Perform field testing, analyze field logs to resolve complex root-cause issues, and ensure compliance with South African (ICASA) standards.\n\nTechnical Leadership: Drive coding standards, conduct code reviews, document architectures, and mentor junior engineers.\n\nMinimum Requirements:\nExperience: 8+ years of professional embedded firmware / software development experience.\n\nTechnical Skills: Strong C/C++ proficiency on resource-constrained microcontrollers (ARM Cortex-M preferred); solid RTOS (e.g., FreeRTOS) or bare-metal development background.\n\nCellular & Peripherals: Proven experience with cellular modems (2G/3G/4G/LTE), AT command sets, and peripheral buses (UART, SPI, I2C, ADC, DMA).\n\nTools & Debugging: Proficiency with Git, JTAG/SWD debuggers, logic analyzers, oscilloscopes, and CI/CD pipelines for embedded systems.\n\nProblem Solving: Track record of deploying production-grade firmware and debugging complex, intermittent field issues.\n\nEducation: Bachelor’s degree in Electronic/Electrical Engineering, Computer Engineering, Computer Science, or equivalent practical experience.\n\nDesirable / Advantageous Skills\nExperience in security, telemetry, IoT, or industrial automation sectors.\n\nFamiliarity with alarm signaling protocols (e.g., Contact ID, SIA).\n\nExperience with OTA update architectures and device management platforms.\n\nKnowledge of low-power design and battery-backed power management techniques.\n\nFamiliarity with ICASA regulatory compliance for radio equipment.\n\nScripting capability (Python) for automated testing and internal tooling.\n\nBenefits:\nCompetitive salary based on experience (salary can potentially be more based on experience/skills)\nIF you meet the above requirements and want to make a career-changing move, apply today by emailing your CV to ","description_format":"text","description_chars":3049,"description_truncated":false,"requirements":{"experience_years_min":8,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":true},"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":true,"industries":[],"lifecycle":[{"event":"open","at":"2026-10-15T03:27:54Z"},{"event":"close","at":"2026-10-15T19:42:59Z"},{"event":"restore","at":"2026-10-16T04:39:36Z"}],"visa":[],"liveness":{"score":36,"band":"fade","label":"Fading","p_open":1,"p_active":0.482,"p_room":0.75,"age_days":5,"expected_fill_days":7,"reasons":["seen:5","agency","velocity","win:late","comp:brand"],"computed_at":"2026-10-20T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/job-mail-senior-firmware-engineer","json_url":"https://alion.io/job/job-mail-senior-firmware-engineer.json","meta":{"generated_at":"2026-10-20T11:01:16Z","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":12062,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-21T00:00:00Z"}},"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":701519},"rest":"https://alion.io/mcp/rest/get_company?id=701519"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fjob-mail-senior-firmware-engineer"},{"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%2Fjob-mail-senior-firmware-engineer"},{"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%2Fjob-mail-senior-firmware-engineer"},{"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/job-mail-senior-firmware-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fjob-mail-senior-firmware-engineer"}]}