{"id":3996768,"url":"https://alion.io/job/loft-orbital-rf-systems-engineer","title":"RF Systems Engineer","company":{"id":4539,"name":"Loft Orbital","domain":"loftorbital.com","url":"https://alion.io/company/loft-orbital-solutions","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Lever","truth_index":{"grade":"A","score":86,"open_postings":8,"ghost_share":0,"stale_share":0.375,"repost_share":0,"time_to_fill_p50_days":85,"computed_at":"2026-11-10T06:52:35Z"}},"role":"Hardware","role_family":"Hardware","seniority":"junior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Toulouse, France"],"countries":["FR"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":2,"visa_sponsorship":false,"relocation_package":true,"has_equity":false,"technologies":[],"status":"live","first_seen_at":"2026-11-09T19:57:06Z","employer_posted_date":"2026-11-09","last_verified_at":"2026-11-10T12:29:53Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"Wanna join the adventure?\nLoft Orbital is making space simple. We build and operate reliable, shareable satellites that give customers a faster, simpler path to orbit. By combining flight-proven spacecraft platforms with our own hardware and software, we make it easier to deploy missions in space.\nAs an RFSystems Engineer, you'll contribute to the design, development, and integration of communication systems across our satellite connectivity and next-generation RFpayload programs. You'll work on RFsystem architecture, signal processing algorithms, and performance analysis, collaborating closely with FPGA, embedded software, systems, and hardware engineers to develop and integrate complex RFtechnologies.\nThis role is ideal for an engineer who enjoys working at the intersection of RFhardware and signal processing, solving challenging technical problems, and seeing their work go from initial design to in-orbit operation.\nAbout this Role:\nContribute to the design and development of RFsystems for satellite connectivity and payload applications, including architecture, requirements, and technical trade-offs.\nPerform RFlink budget analysis and evaluate subsystem performance across S-band, X-band, and inter-satellite link (ISL) applications.\nDevelop and optimize signal processing algorithms for RFpayloads using MATLABand related simulation tools.\nSupport RFpayload development across the signal chain, from antennas and RFfrontends to ADCs and SDRsystems, including signal detection and geolocation.\nCollaborate with FPGA, embedded software, and systems teams to translate RFrequirements into implementable solutions and integrate signal processing algorithms.\nDefine and track system requirements, documenting technical decisions, integration activities, and verification results.\nSupport RFtesting, hardware integration, troubleshooting, and performance verification through AIT and in-orbit commissioning.\nWork across engineering and AIT teams to drive successful development and integration of RFsystems and payloads.\nMust Haves:\n2+ years of experience in Radio Frequency (RF) systems engineering, subsystem integration, or a closely related field.\nProven experience with RFsystem integration, debugging, testing, and performance analysis.\nExperience with signal processing algorithms, including the ability to model, analyze, or evaluate RFsignal processing approaches.\nKnowledge of RFcommunication systems and subsystems, particularly S-band and X-band communications.\nExperience with RFlink budget calculations and RFsystem-level performance analysis.\nHands-on experience with RFhardware, test equipment, and subsystem validation.\nDemonstrated ability to independently drive technical activities and collaborate across system and software integration efforts.\nExcellent communication, problem-solving, and teamwork skills.\nNice to Haves:\nExperience with Software-Defined Radio (SDR) architectures and development.\nFamiliarity with FPGA-based signal processing, including experience working with FPGAteams to implement digital signal processing algorithms or IP blocks.\nKnowledge of key SDRcomponents and technologies, including channelizers, analog-to-digital converters (ADC), and digital-to-analog converters (DAC).\nExperience using MATLABfor signal processing, modeling, simulation, or algorithm development.\nExperience translating system-level RFand signal processing requirements into FPGAor embedded software implementation requirements.\nExperience with antenna systems, RFfrontends, and RFpayload architecture.\nFamiliarity with RFgeolocation, signal detection, spectrum analysis, or SIGINT-related applications.\nExperience with RFtesting, integration, and performance verification in an aerospace or satellite environment.\nSome of Our Awesome Benefits:\nEquity, we want you to have an active role in our success\n Up to 35 days of Paid Time Off (vacations & RTT ) and flexible working hours, we want you to be at your best\nHealth and life insurance, we care about your health\nLunch Vouchers, because let’s be honest, we love food! (we even have a slack channel about it #loft-gourmand)\nCross-office travel opportunities between San Francisco, Colorado, and Toulouse to learn from our differences\nCompany and team off-sites and many other events to work & celebrate together\nRelocation assistance to Toulouse when applicable","description_format":"text","description_chars":4349,"description_truncated":false,"requirements":{"experience_years_min":2,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Equity","Flexible schedule","Life insurance","Relocation assistance"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":true,"industries":["Satellite Manufacturing","Space Services"],"lifecycle":[{"event":"open","at":"2026-11-10T01:31:11Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":0,"expected_fill_days":85,"reasons":["conf:5","velocity","win:early","comp:junior"],"computed_at":"2026-11-10T06:52:35Z"},"pay":null,"html_url":"https://alion.io/job/loft-orbital-rf-systems-engineer","json_url":"https://alion.io/job/loft-orbital-rf-systems-engineer.json","meta":{"generated_at":"2026-11-10T15:47:53Z","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":2264,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-11T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.1,"usd":0.01,"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":4539},"rest":"https://alion.io/mcp/rest/get_company?id=4539"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Floft-orbital-rf-systems-engineer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":2,"usd":0.2},"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%2Floft-orbital-rf-systems-engineer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.1,"usd":0.01},"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%2Floft-orbital-rf-systems-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/loft-orbital-rf-systems-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Floft-orbital-rf-systems-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3996768}},{"tool":"search_jobs","arguments":{"company":"loftorbital.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3996768},"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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