{"id":2668398,"url":"https://alion.io/job/leidos-senior-software-defined-radio-sdr-engineer-2","title":"Senior Software Defined Radio (SDR) 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":241,"ghost_share":0.004,"stale_share":0.855,"repost_share":0.008,"time_to_fill_p50_days":27,"computed_at":"2026-10-22T06:10:10Z"}},"role":"Backend","role_family":"Backend","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":["Arlington, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":107900,"max":195050,"currency":"USD","period":"year","gross":null,"usd_annual":195050},"salary_estimate":null,"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C++","optional":false},{"name":"Linux","optional":false},{"name":"Python","optional":false},{"name":"Red Hat","optional":false},{"name":"Verilog","optional":true},{"name":"VHDL","optional":true},{"name":"Xilinx Vivado","optional":true}],"status":"live","first_seen_at":"2026-10-13T00:00:00Z","employer_posted_date":"2026-10-13","last_verified_at":"2026-10-22T02:56:46Z","board_verified":true,"closed_at":null,"days_open":9,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":9},"description":"Today, Electronic Warfare (EW) is a growing enterprise - protecting the warfighter and our national security against ever-adapting threats. Our division currently has an exciting opportunity for a Software Defined Radio (SDR) Engineer to perform design, development, and hardware/software integration in Arlington, VA for the Electronic Warfare Division.\nOur division primarily focuses on research & development and advanced prototyping, transforming state-of-the-art signal processing algorithms into real-time software systems deployed on advanced RF platforms.\nThe successful candidate will be an individual contributor responsible for designing, developing, and integrating high-performance SDR solutions using Ettus Research USRP platforms. This role requires expertise in real-time RF signal processing, low-latency streaming architectures, and software development close to the hardware layer. The ideal candidate is comfortable building production-grade SDR systems from the ground up and optimizing them for demanding operational environments.\nPrimary Responsibilities\nDesign, develop, and deploy advanced SDR systems using Ettus Research USRP hardware\nDevelop high-performance SDR applications using:C++\nUHD (USRP Hardware Driver)\n\nImplement and optimize:Real-time DSP pipelines\nCustom waveform generation\nModulation/demodulation chains\nRF streaming architectures\nHigh-throughput signal processing systems\n\nInterface directly with:FPGA-based SDR architectures\nHigh-speed Ethernet transport layers\nRF front ends and synchronization systems\n\nDevelop software for low-latency and real-time RF applications\nPerform RF system integration, testing, calibration, and troubleshooting\nAnalyze and optimize:Spectral performance\nTiming synchronization\nThroughput bottlenecks\nRF impairments\n\nIntegrate SDR platforms into larger communications, sensing, or EW architectures\nProduce technical documentation, interface definitions, and software architecture artifacts\nSupport lab and field testing activities, travel up to 15%\nBasic Qualifications\nBachelor’s degree in:Electrical Engineering\nComputer Engineering\nComputer Science\nRelated technical discipline\n\nMust have 8+ years of expereince including strong hands-on experience with: Ettus Research USRP platforms ( X310/X410, N320/N321, X440, B-Series platforms)\n\nStrong proficiency in:Modern C++\nPython\nLinux systems programming, including Linux performance optimization\nMultithreaded and concurrent software architectures\n\nExperience deploying systems with Red Hat Linux\nExperience developing with:UHD API\nReal-time streaming systems\nHigh-rate packet processing\nSocket programming\nLow-latency software architectures\nEttus RF Network On Chip (RFNoC) architecture\n\nStrong understanding of:RF fundamentals\nWireless communications systems\nIQ signal processing\nDigital modulation techniques\nWideband RF architectures\nSpectrum analysis\n\nExperience implementing:OFDM\nQPSK/QAM\nChannel estimation\nSynchronization algorithms\nFFT/channelization pipelines\nAdaptive filtering\nSignal detection and classification\nTime/frequency synchronization\n\nPosition requires an active Secret security clearance or the ability to obtain and maintain one\nPreferred Qualifications\nExperience with:Electronic Warfare (EW)\nSIGINT/ELINT systems\nTactical communications\nSpectrum operations\nRadar or RF sensing systems\n\nFamiliarity with:Xilinx FPGA architectures\nVivado\nVerilog/VHDL\nHardware acceleration pipelines\n\nExperience with:10/40/100 GigE transport\nGPSDO/PPS synchronization\nDistributed SDR architectures\nReal-time operating systems\n\nFamiliarity with:MIMO systems\nBeamforming\nSATCOM architectures\n\nActive Top Secret clearance preferred\nDesired Traits\nStrong systems engineering mindset\nAbility to troubleshoot complex RF/software interactions\nComfortable working directly with hardware in lab and field environments\nCapable of building production-grade SDR software from the ground up\nStrong debugging, optimization, and performance tuning skills\nSelf-starter capable of operating in fast-paced R&D environments\nNKE\nElectronicWarfare\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:\nOctober 13, 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 $107,900.00 - $195,050.00The 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":5138,"description_truncated":false,"requirements":{"experience_years_min":8,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":true,"languages":[]},"benefits":["Equity"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["National Security","C4ISR","Defense Manufacturing","Engineering Services"],"lifecycle":[{"event":"open","at":"2026-10-16T03:24:50Z"}],"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":24}],"liveness":{"score":61,"band":"ok","label":"Likely open","p_open":1,"p_active":0.607,"p_room":1,"age_days":9,"expected_fill_days":27,"reasons":["conf:3","stale_co","velocity","win:early","comp:brand"],"computed_at":"2026-10-22T06:10:10Z"},"pay":{"stated_usd_annual":195050,"is_top_pay":true},"html_url":"https://alion.io/job/leidos-senior-software-defined-radio-sdr-engineer-2","json_url":"https://alion.io/job/leidos-senior-software-defined-radio-sdr-engineer-2.json","meta":{"generated_at":"2026-10-22T06:48:15Z","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":1953,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-23T00:00:00Z"}},"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-software-defined-radio-sdr-engineer-2"},{"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-software-defined-radio-sdr-engineer-2"},{"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-software-defined-radio-sdr-engineer-2"},{"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-software-defined-radio-sdr-engineer-2\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fleidos-senior-software-defined-radio-sdr-engineer-2"}]}