{"id":714131,"url":"https://alion.io/job/arkeus-principal-scientist","title":"Principal Scientist","company":{"id":368,"name":"Arkeus","domain":"arkeus.com","url":"https://alion.io/company/arkeus","size_band":"11-50","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Rippling","truth_index":{"grade":"B","score":75,"open_postings":3,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-11-08T05:47:12Z"}},"role":"Science & Research","role_family":"Science & Research","seniority":"lead","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Melbourne, Australia"],"countries":["AU"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":73000,"max_usd":137000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":54},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"Machine Learning","optional":false}],"status":"live","first_seen_at":"2026-09-01T00:51:38Z","employer_posted_date":"2026-09-01","last_verified_at":"2026-11-08T17:20:56Z","board_verified":true,"closed_at":null,"days_open":68,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":68},"description":"Who we are\nArkeus builds AI-powered sensing systems that help autonomous platforms detect,trackand understandwhat'shappening in the most complex and contested environments. Our technology is deployed across defence and national security applications - already protecting lives and strengthening security across the U.S. and allied markets.\nBacked by QIC, Main Sequence, R+VC, Salus Ventures, Folklore Ventures, DYNEVenturesand Beaten Zone Venture Partners, Arkeus is entering a major growth phase. We are a small, fast-moving company with the energy and ambition of a start-up and the technical credibility of a world-class defence technology provider.\nWe work at the intersection of optics, autonomy, robotics and real-time AI and we deploy what we build. If you want to ship technology that matters, not technology that ships decks, this is where you belong.\nCheck it yourself onNews | Arkeus\nWe have developed an inclusive,transparentand engaging culture that focuses on building a diverse workforce - realising that to attract thevery best, we need to ensure our culture is ready to welcome people from all ages,gendersand backgrounds.\nAbout the Role\nAs Principal Scientist, you will provide deep technical leadership across the development of disruptive technologies and capabilities.\nYou’ll work closely with engineers, scientists, product leaders and defence customers to identify opportunities, develop new concepts, test hypotheses and turn research into practical, scalable systems.\nYou will be expected to operate at both strategic and technical depth - setting scientific direction while being close enough to the technology to challenge assumptions, guide experiments and solve difficult problems.\nAbout You\nAtArkeus, we valueInnovation, Responsiveness and Accountability.\nThat meanswe’relooking for someone who:\nInnovates- challenges conventional thinking and pursues technically ambitious ideas.\nResponds- moves quickly from hypothesis to experiment, learns fromfailureand adapts.\nTakes accountability- owns technical outcomes and is willing to make difficult calls when the evidence demands it.\nYoudon'tneed to have every answer.You do need to know how to find the answer.\nKey Responsibilities\nDefine and lead the scientific roadmap for disruption technologies and capabilities.\nIdentify emerging technologies, research opportunities and technical approaches that could create a significant operational advantage.\nDevelop and test novel concepts through modelling, experimentation, prototyping and field trials.\nTranslate complex scientific problems into practical engineering challenges and deliverable outcomes.\nWork across disciplines including sensing, optics, AI/ML, signal processing, physics, autonomy, electronics and systems engineering.\nProvide technical leadership to scientists and engineers, raising the scientific and engineering capability of the team.\nPartner with Product and Engineering to transition research concepts into robust, deployable technology.\nEngage with defence customers, research organisations, universities and industry partners.\nDefine experiments and technical demonstrations that rapidly validate or kill ideas.\nBuild intellectual property, technical knowledge and differentiated capability for Arkeus.\nCommunicate complex technical concepts clearly to technical and non-technical stakeholders.\nRepresent Arkeus externally through technical partnerships, research programs and relevant industry forums.\nYour Experience and Skills\nWe'relooking for adeep technical thinker and builder- someone who hasdemonstratedthey can take difficult, ambiguous scientific problems and turn them into real-world capability.\nYou willlikely have:\nA PhD or equivalent advanced technicalexpertisein a relevant scientific or engineering discipline.\nSignificant experienceinadvanced R&D, applied science or deep-tech product development.\nA track recordof taking research fromconcept → experiment → prototype → operational capability.\nDeepexpertisein one or more relevant areas such as:\nPhysics / applied physics\nOptics / photonics\nElectromagnetics\nSignal processing\nRF / sensing\nAI / machine learning\nControl and autonomous systems\nElectronic warfare / countermeasure technologies\nAdvanced materials or energy systems\nStrong mathematical,analyticaland experimental capabilities.\nExperience working across multidisciplinary technical teams.\nThe ability to distinguish genuinely transformative technology from incremental improvement.\nStrong communicationand technical storytelling skills.\nExperience working within defence, aerospace, nationalsecurityor another highly regulated/high-consequence environment is highly desirable.\nWhy Join Arkeus\nWe make incredible things, you will be working in a company at the forefront of innovation in Australia.\nYou will collaborate with exceptional leaders who have 40+ years of combined experience in autonomy, optics and defence. You will be learning from - and contributing to - the best in the field.\nYou will become part of a close-knit, ego-free team where ideas compete on merit, not seniority. Low politics, high trust. The kind of team you will still be talking about in ten years.\nYou will work hard and be expected to bring your best - and in return, you will grow faster than you ever would at a large organisation.\nYou will work on technology that is already deployed in real environments - protecting lives and strengthening security across defence and national security applications.\nYou will receive a competitive, market-benchmarked salary, structured career pathways built to grow with you, and the opportunity to participate in our Employee Share Option Plan (ESOP).\nYou will have the opportunity to mentor bright emerging talent through our highly sought-after intern program and strong connections with leading universities.\nIf this sounds like you, please apply even if you don't check every box listed above and join our growing team in improving security and saving lives!","description_format":"text","description_chars":5965,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"phd","optional":false},"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Computer Vision","C4ISR","Defense AI"],"lifecycle":[{"event":"open","at":"2026-09-11T05:36:31Z"}],"visa":[],"liveness":{"score":11,"band":"cold","label":"Long shot","p_open":1,"p_active":0.405,"p_room":0.28,"age_days":68,"expected_fill_days":26,"reasons":["conf:0","win:tail","crowd:"],"computed_at":"2026-11-08T05:47:12Z"},"pay":null,"html_url":"https://alion.io/job/arkeus-principal-scientist","json_url":"https://alion.io/job/arkeus-principal-scientist.json","meta":{"generated_at":"2026-11-08T20:11:39Z","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":42168,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-09T00:00:00Z"}},"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":368},"rest":"https://alion.io/mcp/rest/get_company?id=368"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Farkeus-principal-scientist"},{"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%2Farkeus-principal-scientist"},{"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%2Farkeus-principal-scientist"},{"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/arkeus-principal-scientist\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Farkeus-principal-scientist"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":714131}},{"tool":"search_jobs","arguments":{"company":"arkeus.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":714131},"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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