{"id":1260828,"url":"https://alion.io/job/shield-ai-rf-engineer-i-r6108","title":"RF Engineer I (R6108)","company":{"id":50,"name":"Shield AI","domain":"shield.ai","url":"https://alion.io/company/shield-ai","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Lever","truth_index":{"grade":"B","score":75,"open_postings":62,"ghost_share":0,"stale_share":0.806,"repost_share":0,"time_to_fill_p50_days":76,"computed_at":"2026-10-19T05:45:15Z"}},"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":["Seattle, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":100000,"max":150000,"currency":"USD","period":"year","gross":null,"usd_annual":150000},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"MATLAB","optional":false},{"name":"Python","optional":false}],"status":"live","first_seen_at":"2026-09-25T19:51:15Z","employer_posted_date":"2026-09-25","last_verified_at":"2026-10-19T22:44:25Z","board_verified":true,"closed_at":null,"days_open":24,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":24},"description":"Job Description:\nShield AI develops intelligent autonomous systems that protect service members and civilians. The X-BAT Engineering team is building a next-generation autonomous aircraft for demanding and contested environments.\nWe are seeking a new-graduate RF Hardware Test Engineer to help verify RF modules, assemblies, and interfaces used in airborne and ground systems. Working alongside experienced engineers, you will build practical expertise in RF measurements, instrument automation, data analysis, troubleshooting, and qualification support. This role is centered on disciplined test execution and objective evidence rather than top-level RF system architecture.\nThis is an Engineer I (L1) position intended for candidates completing an undergraduate or graduate degree or beginning their professional career. Coursework, research, internships, student teams, and personal projects are all relevant ways to demonstrate readiness.\nWhat you'll do:\nExecute documented RF test plans and procedures with mentorship, record test configurations, and produce clear, traceable results.\nCharacterize RF modules and assemblies for S-parameters, gain and loss, output power, compression, harmonics and spurious emissions, isolation, rejection, noise figure, and receiver sensitivity as applicable.\nSet up and operate vector network analyzers, spectrum analyzers, signal generators, power meters, oscilloscopes, noise-figure equipment, programmable power supplies, and related laboratory instruments.\nCalibrate measurement setups and characterize cables, adapters, attenuators, fixtures, and other sources of measurement error.\nDevelop simple test fixtures, harnesses, interface adapters, and monitoring circuits; perform basic soldering and hardware rework when appropriate.\nAutomate instrument control, data collection, analysis, and plotting using Python, MATLAB, or comparable tools.\nCompare measured performance with requirements, identify unexpected behavior, and summarize conclusions in engineering reports and reviews.\nTroubleshoot test anomalies with senior engineers and learn to distinguish device behavior from setup, calibration, software, or environmental artifacts.\nSupport EMI/EMC pre-compliance and MIL-STD-461 qualification testing, environmental testing, hardware integration, and ground or flight test activities as needed.\nMaintain safe, organized laboratory practices and follow equipment calibration, configuration-control, and data-management processes.\nCollaborate with RF, electrical, mechanical, systems, software, manufacturing, and supplier teams.\nPerform other duties as assigned.\nRequired qualifications:\nBachelor's or master's degree in Electrical Engineering, Applied Physics, or a related technical field, completed or expected within 12 months of the anticipated start date.\nCoursework, research, project, or internship experience in RF or microwave engineering, communications, electromagnetics, analog circuits, or electronic hardware testing.\nFundamental understanding of S-parameters, impedance, transmission lines, gain and loss, noise, power, spectral content, and frequency response.\nHands-on laboratory experience gained through coursework, research, an internship, a student organization, or a personal project.\nBasic programming and data-analysis skills in Python, MATLAB, or a similar environment.\nAbility to follow test procedures, document setups and results accurately, recognize uncertainty, and ask for guidance when needed.\nClear written and verbal communication skills and the ability to work constructively in a multidisciplinary team.\nAbility to work on-site in a laboratory and hardware-development environment.\nPreferred qualifications:\nExperience using a vector network analyzer, spectrum analyzer, signal generator, power meter, oscilloscope, noise-figure analyzer, or programmable test equipment.\nExperience automating laboratory instruments or analyzing measurement data using Python, MATLAB, SCPI, or a comparable approach.\nFamiliarity with RF simulation or design tools such as ADS, AWR, HFSS, or CST.\nExperience with PCB bring-up, soldering, RF connectors and cables, test fixtures, harnesses, or basic hardware rework.\nExposure to EMI/EMC testing or MIL-STD-461 through coursework, research, an internship, or laboratory work.\nExposure to environmental, qualification, reliability, or acceptance testing of electronic hardware.\nExperience on a university design team, research laboratory, internship, co-op, or project involving aerospace, defense, robotics, communications, or other high-reliability hardware.\nAbility to obtain an S//SAR level security clearance, if required by the 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