{"id":2246067,"url":"https://alion.io/job/efagroup-rf-engineer","title":"RF Engineer","company":{"id":1048709,"name":"Efagroup","domain":"efagroup.eu","url":"https://alion.io/company/efagroup-2","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Career site","truth_index":null},"role":"Hardware","role_family":"Hardware","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":["Koropi, Greece"],"countries":["GR"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":31000,"max_usd":71000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":712},"experience_years_min":4,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[],"status":"live","first_seen_at":"2026-10-11T02:04:44Z","employer_posted_date":"2026-10-11","last_verified_at":"2026-10-12T19:17:27Z","board_verified":true,"closed_at":null,"days_open":1,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":1},"description":"EFA GROUP comprises companies in Aerospace, Security, Defense, and Industrial Cooperation with a solid international presence. EFA GROUP currently employs more than 400 people, the majority of whom are engineers and scientists. Headquartered in Greece, the Group maintains a strong international presence across Europe (Cyprus, Belgium, Switzerland, Estonia, and Germany), Asia (Singapore, Indonesia, and South Korea), the Middle East (UAE), and the United States, serving customers in 34 countries worldwide.\nThe GROUP includes EFA VENTURES (Supply Chain Management and integrated services), AEROSPACE VENTURES (Industrial Participation and related services), SCYTALYS (Systems Integration and Software), ES SYSTEMS (MEMs & IoT Integration), EPICOS (Global Defense B2B Information Platform), UCANDRONE (Unmanned Systems), AETHER AERONAUTICS (Target Drones), STHENOS AI (Intelligence Solutions), THYREOS CYBER (cyber security) , SUPERIOR AIR (aviation services and specialized aerial missions), SSMART (defense hardware - software production and services).\nThe Role\nEFA GROUP is looking for an experienced and motivated RF Engineer responsible for the design, development, and validation of RF and microwave circuits. The engineer will also support cross-functional projects across the corporate group, contributing to initiatives involving radio systems, radars, and UAVs.\nKey Responsibilities\nDesign RF and microwave circuits for Electronic Warfare systems at PCB and transistor level\nDevelop transmitter and receiver chains, from DAC to antenna output and from antenna input to ADC\nDesign, test, and validate RF subsystems for operation in harsh environmental conditions\nSupport the development of radio systems, missile data links, and related RF technologies\nProvide expertise in RF system design, antenna integration, and wave propagation across the Group\nParticipate in antenna selection, placement, and electromagnetic performance assessments\nUtilize RF design, simulation, and analysis tools for circuit, antenna, and propagation studies\nPrepare technical documentation and support Technical Data Package (TDP) generation\nAssist with RF system integration, troubleshooting, and production support activities\nRequirements\nBachelor's or Master's degree in Electrical Engineering, Telecommunications, or a related field\n4+ years of experience in RF and microwave circuit design\nExperience designing RF systems for harsh and mission-critical environments\nStrong understanding of transmitter and receiver architectures and RF signal chains\nFamiliarity with RF simulation, antenna design, and wave propagation analysis tools\nStrong analytical, troubleshooting, and problem-solving skills\nAbility to work both independently and within multidisciplinary teams","description_format":"text","description_chars":2760,"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":[],"lifecycle":[{"event":"open","at":"2026-10-11T02:04:44Z"}],"visa":[],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":1,"expected_fill_days":19,"reasons":["conf:4","win:early"],"computed_at":"2026-10-12T06:55:09Z"},"pay":null,"html_url":"https://alion.io/job/efagroup-rf-engineer","json_url":"https://alion.io/job/efagroup-rf-engineer.json","meta":{"generated_at":"2026-10-12T21:09:55Z","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":34430,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-13T00:00:00Z"}},"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":1048709},"rest":"https://alion.io/mcp/rest/get_company?id=1048709"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fefagroup-rf-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%2Fefagroup-rf-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%2Fefagroup-rf-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/efagroup-rf-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fefagroup-rf-engineer"}]}