{"id":202474,"url":"https://alion.io/job/leidos-senior-digitalembedded-firmware-engineer","title":"Senior Digital/Embedded Firmware Engineer","company":{"id":7791,"name":"Leidos","domain":"leidos.com","url":"https://alion.io/company/leidos","size_band":"5000+","is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":78,"open_postings":237,"ghost_share":0.004,"stale_share":0.873,"repost_share":0.004,"time_to_fill_p50_days":28,"computed_at":"2026-10-25T05:49:26Z"}},"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":["Saint Petersburg, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":104000,"max_usd":191000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":1396},"experience_years_min":6,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Active-HDL","optional":false},{"name":"C++","optional":false},{"name":"Lattice Diamond","optional":false},{"name":"Libero SoC","optional":false},{"name":"RTOS","optional":false},{"name":"Siemens ModelSim","optional":false},{"name":"VHDL","optional":false},{"name":"Vitis","optional":false},{"name":"Xilinx Vivado","optional":false},{"name":"Cadence Allegro","optional":true},{"name":"FreeRTOS","optional":true},{"name":"KiCad","optional":true},{"name":"Linux","optional":true},{"name":"MATLAB","optional":true},{"name":"OrCAD","optional":true},{"name":"Python","optional":true}],"status":"live","first_seen_at":"2026-09-04T18:32:37Z","employer_posted_date":"2026-09-04","last_verified_at":"2026-10-25T10:59:32Z","board_verified":true,"closed_at":null,"days_open":51,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":51},"description":"The Defense Systems Group at Leidos has an immediate opening for a Senior Digital Firmware Design Engineer at our St. Petersburg, FL facility. This position supports the development of advanced, mission-critical military communications systems and involves the design, integration, testing, and optimization of secure, ruggedized electronic hardware for defense applications.\nThe ideal candidate will possess deep expertise in FPGA-based digital design and hands-on experience integrating hardware and firmware within complex embedded systems. This individual will have a demonstrated track record supporting defense programs across the full product lifecycle-from requirements development and architectural design through integration, qualification testing, and transition to production.\nThe Leidos St. Petersburg facility specializes in the design, development, modeling and simulation, analysis, prototyping, and testing of advanced electronic systems. Our primary focus areas include embedded communications systems, Software Defined Radios (SDR), and Phased Array Antenna Systems supporting Department of Defense and commercial customers.\nPrimary Responsibilities:\nParticipate in a multi-disciplinary engineering team developing secure, high-performance military communications hardware and firmware.\nAnalyze and decompose system-level requirements into detailed hardware design specifications with full traceability.\nPerform Logic Design; write VHDL code, perform synthesis, logic simulation, test bench generation, functional testing and hardware debugging of designs within FPGA/CPLD devices.\nArchitect, implement and test embedded firmware /software within FPGA-based digital designs including signal processing, control logic, and high-speed interfaces on a variety of platforms (FPGAs, microcontrollers, microprocessors, and mixed signal designs).\nTroubleshoot and resolve complex hardware, firmware / software and integration issues across prototype and production phases.\nSupport design reviews (SRR, PDR, CDR), technical documentation, and configuration management processes.\nProvide technical input for cost estimates, schedules, and risk assessments.\nCollaborate closely with Firmware, Software, RF, systems, and test engineering teams throughout the development lifecycle.\nClearance Requirements:\nU.S. Citizen required.\nAbility to obtain and maintain a Secret Security Clearance.\nActive Secret clearance preferred.\nAbility to obtain Top Secret clearance preferred.\nRequired Qualifications:\nBS or MS in Electrical Engineering, Computer Engineering, or related field.\n6+ years of experience in embedded hardware and digital design (8+ preferred for Senior level).\nExperience supporting full product development lifecycle including:Requirements analysis, System design and hardware implementation, Integration and test\nFirmware/software architecture development for embedded systems, including FPGAs and SoCs\nTechnical documentation and formal design reviews\n\nStrong VHDL, FPGA/SoC design and implementation experience:Digital logic design using VHDL with System-On-Chip devices (SOC’s), FPGA’s, CPLD/s, and/or Microcontrollers.\nModern vendor design tools (IDE’s) such as Xilinx Vivado, Vitis, Altera, Libero SoC, Lattice Diamond\nSimulation and Testbench generation (Xilinx simulator, Aldec Active HDL, Riveria Pro, Modelsim, or similar)\nRISC microprocessors architectures (ARM Cortex, Microblaze, PowerPC, RISC-V)\nC/C++ language software development for embedded, real-time systems.\n\nExperience with one or more of the following:Integrating and troubleshooting digital subsystems within embedded systems.\nDigital interfaces such as I2C, SPI, RS-232/422, USB, Ethernet\nADC/DAC devices and understanding performance characteristics.\nHands-on lab experience debugging hardware using oscilloscopes, logic analyzers, and related tools\n\nUnderstand trade-offs of embedded system targets (FPGA, SoC, microcontroller, RTOS, bare-metal) for developing best cost/option architectures\nPreferred Qualifications:\nActive Secret or Top Secret clearance.\nExperience with one or more of the following:FPGA/SOC/u-Processor manufacturers including Xilinx, Microsemi, ST-Micro, Lattice, etc\nHigh-speed interfaces/protocols such as PCIe, JESD204B, LVDS, and SERDES\nSimulation and modeling tools (MATLAB, Python, LabVIEW)\nEmbedded operating systems (Linux, VxWorks, FreeRTOS)\nImplementing signal processing concepts such as digital filters, digital modulation, up/down conversion within HDL designs\nIP cores and modern processor interfaces (Xilinx IP Cores, AXI4, AXI-Stream)\nDesign, integration and testing electronic circuits within embedded systems, including digital, analog and radio frequency (RF) subsystems.\n\nExperience developing ruggedized or military communication systems\nExperience transitioning prototype designs into production hardware TRL5/6 through TRL 8/9)\nFamiliar with schematic capture and PCB design tools (Altium, Cadence Allegro/OrCAD, KiCAD or equivalent)\nIf you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares.\nOriginal Posting:\nSeptember 4, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.\nPay Range:\nPay Range $87,100.00 - $157,450.00The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.","description_format":"text","description_chars":6054,"description_truncated":false,"requirements":{"experience_years_min":6,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":true,"languages":[]},"benefits":["Equity"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["National Security","C4ISR","Defense Manufacturing","Engineering Services"],"lifecycle":[{"event":"open","at":"2026-09-04T18:32:37Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"H-1B filings in 12 months: 50 · green card filings: 24","filings_12m":50,"filings_prev_12m":58,"green_card_filings_12m":24,"median_offered_wage_usd":124257,"route":null,"cap_exempt":false,"checked_at":"2026-10-15T11:24:14+00:00","sources":["US Department of Labor: LCA disclosure data (H-1B, H-1B1, E-3)","US Department of Labor: PERM disclosure data (green cards)"],"filings_for_role_12m":0}],"liveness":{"score":21,"band":"cold","label":"Long shot","p_open":1,"p_active":0.463,"p_room":0.45,"age_days":50,"expected_fill_days":28,"reasons":["conf:1","stale_co","velocity","win:tail","comp:brand"],"computed_at":"2026-10-25T05:49:26Z"},"pay":null,"html_url":"https://alion.io/job/leidos-senior-digitalembedded-firmware-engineer","json_url":"https://alion.io/job/leidos-senior-digitalembedded-firmware-engineer.json","meta":{"generated_at":"2026-10-25T23:16:23Z","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":32755,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-26T00:00:00Z"}},"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":7791},"rest":"https://alion.io/mcp/rest/get_company?id=7791"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fleidos-senior-digitalembedded-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%2Fleidos-senior-digitalembedded-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%2Fleidos-senior-digitalembedded-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/leidos-senior-digitalembedded-firmware-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fleidos-senior-digitalembedded-firmware-engineer"}]}