{"id":411468,"url":"https://alion.io/job/specter-senior-antenna-engineer","title":"Senior Antenna Engineer","company":{"id":63567,"name":"Specter","domain":"specter.com","url":"https://alion.io/company/specter-com","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":{"grade":"C","score":60,"open_postings":33,"ghost_share":0.667,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":null,"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":["San Francisco, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":148000,"max_usd":270000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":1396},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AI Agents","optional":false},{"name":"Physical AI","optional":false},{"name":"Wi-Fi","optional":false},{"name":"MATLAB","optional":true},{"name":"Python","optional":true}],"status":"live","first_seen_at":"2026-08-27T20:54:11Z","employer_posted_date":"2026-08-27","last_verified_at":"2026-10-25T06:28:56Z","board_verified":true,"closed_at":null,"days_open":58,"trust":{"level":"ok","repost_count":0,"flags":["company_stale"],"days_open":58},"description":"Company Background\n Specter's mission is to help automate the physical world.\nToday, we build video sensors with state-of-the-art AI agents that answer any question, anywhere in their environments. Our systems can automatically detect and reason about any physical activity captured on camera, from security incidents (e.g. perimeter intrusion, theft, LPR), to safety monitoring (e.g. PPE detection, injured people), to operational efficiency (e.g. material tracking, congestion monitoring). We offer both long range wireless (1km range) and wired sensor variants to suit any deployment.\nOur co-founders Xerxes and Philip are passionate about empowering our partners in the fast approaching world of physical AI and robotics. We are a small, fast growing team who hail from Anduril, Amazon, Tesla, Uber, and the U.S. Special Forces.\n\nThe Role\nSpecter is hiring a Senior Antenna Engineer to own the radiating hardware at the edge of our wireless platform; every antenna on every sensor, access point and mothernode we ship. The 1 km wireless range our customers depend on is bought at the antenna, and so is the reliability of the video link that rides on it.\nThis is a hands-on role with end-to-end ownership: architecture, electromagnetic simulation, prototyping, chamber measurement, certification support, and the correlation between what the model predicted and what a deployed fleet actually does in the field.\nWhat you'll own\nLead antenna architecture, design, simulation, prototyping, integration, and validation for ground-based and airborne products.\n\nDevelop antennas for sensors, access points, and mothernodes across technologies such as sub-GHz mesh (902-928 MHz), Wi-Fi, Bluetooth, command-and-control, LTE, CBRS, and GNSS\n\nDrive full-wave electromagnetic simulation in HFSS, CST, or FEKO: modeling enclosure, radome, chassis, and nearby structures, and correlating predicted performance against measured hardware\n\nDesign antennas into severely constrained enclosures shared with cameras, compute modules, batteries, cabling, and four other radios\n\nDevelop multi-radio isolation and coexistence strategy\n\nBuild out antenna measurement capability end-to-end: return loss, impedance, isolation, efficiency, gain, radiation patterns, polarization, and total radiated performance across bench, chamber, and installed configurations\n\nClose the loop from simulation to chamber to field, using link telemetry from hundreds of deployed nodes to make predicted performance match installed performance\n\nDrive antennas into production: supplier specification, tolerance and variation analysis, incoming inspection criteria, and the measurements that catch a bad build before it ships\n\nRoot-cause RF performance issues spanning antenna, radio, mechanical, and environmental domains, using simulation, bench measurement, chamber data, and field telemetry\n\nWhat you'll bring\nBachelor's or higher in electrical engineering, applied physics, or electromagnetics.\n\n5+ years designing antennas for production hardware : you've taken at least one antenna from concept through measurement, certification and volume manufacture.\n\nGenuine electromagnetics: radiation mechanisms, impedance and matching, efficiency versus directivity, polarization, coupling, ground-plane and counterpoise effects, and the size-bandwidth-efficiency trade for electrically small antennas.\n\nFluency in a full-wave EM simulation tool such as HFSS, CST, FEKO or an equivalent platform.\n\nHands-on measurement experience using VNA, spectrum analyzer, signal generator, and chamber work.\n\nExperience designing into mechanically constrained products such handsets, wearables, IoT devices, vehicles, drones, robots, or mobile devices.\n\nComfort with multi-radio platforms and the isolation, coexistence and desense problems that come with them.\n\nStrong written and verbal communication skills, including the ability to explain technical tradeoffs to multidisciplinary stakeholders.\n\nAbility to operate with significant autonomy, prioritize effectively, and drive technically complex programs to completion.\n\nNice to have\nMaster’s degree or PhD in electrical engineering, electromagnetics, applied physics, or a related field.\n\nSub-GHz or ISM band experience (902-928 MHz, 868 MHz), or other work where the antenna is a large fraction of a wavelength.\n\nFCC Part 15 certification experience, particularly the intentional-radiator rules and the antenna-gain / conducted-power relationship.\n\nExperience specifying, commissioning or operating an anechoic chamber or antenna range.\n\nOutdoor and industrial hardware: radomes, environmental sealing, pole and mast mounting, temperature and ingress qualification.\n\nScripting for measurement automation and data analysis such as Python or MATLAB.\n\nField measurement experience: site surveys, installed-performance characterization, propagation measurement.\n\nWorking directly with antenna suppliers, contract manufacturers and certification 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