{"id":3521323,"url":"https://alion.io/job/iceye-junior-mid-level-thermal-engineer","title":"Junior / Mid-level Thermal Engineer","company":{"id":17599,"name":"ICEYE","domain":"iceye.com","url":"https://alion.io/company/iceyefi","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":{"grade":"B","score":83,"open_postings":33,"ghost_share":0,"stale_share":0.667,"repost_share":0,"time_to_fill_p50_days":54,"computed_at":"2026-10-31T05:58:55Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"junior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":["Espoo, Finland"],"countries":["FI"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":32000,"max_usd":79000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":5845},"experience_years_min":2,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"ECSS","optional":true},{"name":"Python","optional":true}],"status":"live","first_seen_at":"2026-10-30T08:56:29Z","employer_posted_date":"2026-10-30","last_verified_at":"2026-10-31T16:14:54Z","board_verified":true,"closed_at":null,"days_open":1,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":1},"description":"Role highlights:\nJunior / Mid-level Thermal Engineer\n\nLocation: Espoo, Finland\n\nDepartment: Spacecraft Hardware\n\nReports to: Thermal System Engineer Team Lead\n\nEmployment type: Permanent\n\nWorkplace model: Hybrid / Office\n\nEmployment is subject to applicable security screening (incl. SUPO, where required)\n\nThe Mission of the Junior / Mid-Level Thermal Engineer\nIn this role, you will join ICEYE’s Thermal Engineering team and contribute to the thermal analysis, design, and testing of spacecraft. You will work alongside experienced engineers, build your practical engineering skills, and take on increasing responsibility as you learn.\nWe welcome recent graduates. Previous professional experience is not required: we are looking for sound engineering fundamentals, curiosity, a willingness to learn, and someone who shares the values described below.\nYou will help prepare thermal models and analysis reports, support thermal test activities, and use test data to understand spacecraft thermal performance. There may also be opportunities to improve data processing and engineering workflows through scripting, automation, or AI tools.\nWho We Are\nICEYE delivers space-based intelligence, surveillance, and reconnaissance (ISR) capabilities to governments and allied nations. This includes sovereign and turnkey ISR missions leveraging ICEYE’s synthetic aperture radar (SAR) satellite technology, as well as access to data from the world’s largest SAR satellite constellation. These capabilities enable partners to detect and respond to critical changes anywhere on Earth with unprecedented speed and accuracy - day or night and in any weather.\nDesigned for dual use, our platform also serves civil protection and commercial users for natural-catastrophe intelligence, insurance, maritime monitoring (including oil-spill detection), and finance, contributing to global security and community resilience.\nICEYE operates internationally with offices in Finland, Poland, Spain, Japan, the UAE, Greece, and the US, and has hundreds of employees inspired by a shared vision: improving life on Earth by becoming the global source of truth in Earth Observation.\nExpected Outcomes\nAs you develop in the role, we expect you to:\nContribute to thermal analyses and clearly document assumptions, methods, and results, with guidance and review from experienced engineers.\n\nSupport the preparation and execution of thermal tests, and help turn test data into useful engineering findings.\n\nHelp compare model predictions with test results and support thermal model correlation.\n\nProduce clear, traceable engineering documentation and gradually take ownership of agreed tasks.\n\nRole Specific Responsibilities\nWorking with the Thermal Engineering team, you will:\nHelp build and maintain spacecraft thermal models and run analyses under the guidance of experienced engineers.\n\nAssist with assessing thermal design options and checking performance against requirements.\n\nSupport the preparation of thermal vacuum (TVAC), thermal cycling, and thermal balance test procedures and reports.\n\nHelp process analysis results and test telemetry, generate plots and tables, and investigate differences between predictions and measurements.\n\nDocument analysis cases, assumptions, results, and model correlation work so that findings can be reviewed and traced to source data.\n\nCollaborate with engineers across disciplines and identify opportunities to improve thermal engineering workflows.\n\nRequirements for Junior position\nYou are likely a good fit if you:\nHave a bachelor’s or master’s degree in mechanical engineering, Aerospace Engineering, Physics, or a related field, with a foundation in thermodynamics and heat transfer is preferred but not needed it.\n\nCan apply engineering fundamentals to problems, explain your reasoning, and work carefully with technical data.\n\nAre interested in spacecraft thermal engineering and willing to learn the team’s analysis and test tools.\n\nCommunicate clearly, collaborate constructively, and share the values described in How We Work Together.\n\nNo previous employment, internship, or spacecraft engineering experience is required. Coursework and university projects can demonstrate your skills and approach.\nNice to Have for Junior position\nExperience from employment, internships, university projects, or personal projects involving thermal analysis, thermal design, testing, or spacecraft engineering.\n\nFamiliarity with thermal modelling software, engineering data processing, or scripting such as Python.\n\nExposure to AI tools or automation, and an interest in applying them responsibly to engineering workflows.\n\nRequirement for Mid-level position\nHave a bachelor’s or master’s degree in mechanical engineering, Aerospace Engineering, Physics, or a related field, with a foundation in thermodynamics and heat transfer is preferred but not needed it.\n\nAt least two years of experience as a space thermal engineer.\n\nExperience in thermal simulation as a Thermal Engineer in the space industry.\n\nProactive, self-directed working style.\n\nStrong troubleshooting and analytical skills.\n\nExperience working in multi-disciplinary environments (electrical, AIT, mechanical, propulsion, RF).\n\nComfortable working cross-functionally with systems, electrical, and manufacturing teams.\n\nTeamwork, analytical, documentation, and communication skills.\n\nNice to Have for Mid-level position\nHands-on experience with spacecraft thermal hardware.\n\nExperience with Systema-Thermica or ESATAN.\n\nMSc in Aerospace Engineering.\n\nExperience with Python.\n\nFamiliarity with industry standards such as ECSS and NASA standards.\n\nHow We Work Together\nIn addition to role-specific skills, we evaluate candidates on the following qualities:\nIntellectual Firepower: You can quickly grasp and structure complex technical information, draw sound conclusions, and communicate them clearly.\n\nPassion & Work Ethic: You bring sustained motivation, resilience, and high standards to your work.\n\nOwnership & Action: You take responsibility for outcomes, follow through on commitments, and proactively remove blockers.\n\nTeam Player: You collaborate across disciplines, listen actively, and contribute to a positive and constructive engineering culture.\n\nIntegrity & Growth Mindset: You act with transparency and humility, learn from feedback and setbacks, and actively seek opportunities to grow.\n\nFor this role in particular, we value someone who is comfortable saying “I don’t know yet”, investigating source data, asking for help, and validating an answer before relying on it. If you use AI tools, you should apply the same care to their outputs.\nWhat We Offer\nThe opportunity to work directly with engineers designing, analyzing, building, and testing spacecraft.\n\nPractical development in spacecraft thermal engineering, including thermal analysis, hardware development, TVAC testing, thermal balance testing, and model correlation.\n\nClose collaboration with experienced thermal engineers, with guidance as you build your skills and take on responsibility.\n\nOpportunities to improve engineering workflows through data processing, scripting, automation, and AI where useful.\n\nA job that matters in a dynamic Defense Technology and Earth Observation environment with a scale-up approach.\n\nA supportive and diverse work environment where you can learn and contribute.\n\nOccupational healthcare, occupational and accident insurance.\n\nTime for self-development, research, training, conferences, or certification schemes.\n\nInspiring and collaborative offices and quiet workspaces to help you focus.\n\nOur Commitment to Diversity Equity and Inclusion\nAt ICEYE, we believe that diversity isn’t just a buzzword - it’s our greatest asset. We are committed to fostering an inclusive environment where every voice is heard and valued. We know that diverse perspectives drive innovation and creativity, which is why we actively seek individuals from all backgrounds and experiences.\nWhatever your background, we encourage you to bring your authentic self to work. 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