{"id":1164964,"url":"https://alion.io/job/sierra-space-p26817-mechanical-engineer-ii","title":"Thermal Analysis Engineer II (Clearance Required)","company":{"id":58801,"name":"Sierra Space","domain":"sierraspace.com","url":"https://alion.io/company/sierra-space","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":78,"open_postings":27,"ghost_share":0,"stale_share":0.889,"repost_share":0,"time_to_fill_p50_days":36,"computed_at":"2026-10-27T05:46:45Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"middle","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Louisville, United States","Centennial, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":94203,"max":129549,"currency":"USD","period":"year","gross":null,"usd_annual":129549},"salary_estimate":null,"experience_years_min":2,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"ANSYS","optional":true},{"name":"MATLAB","optional":true},{"name":"Python","optional":true},{"name":"Thermal Desktop","optional":true}],"status":"live","first_seen_at":"2026-09-23T00:00:00Z","employer_posted_date":"2026-09-28","last_verified_at":"2026-10-27T14:00:44Z","board_verified":true,"closed_at":null,"days_open":34,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":34},"description":"Sierra Space Careers:\nAt Sierra Space, we build the missions and systems that keep our world secure in the domain above Earth.\nSierra Space team members share a spirit of innovation and collaboration and a belief that we can deliver on the boldest missions in space today. Together with our customers, we aim to safeguard our nation, sustain human presence in space, and secure the freedom of operations in low Earth orbit and beyond.\nOur success is measured by the trust of those who rely on what we build and deliver, and our technologies keep the United States and its allies mission-ready throughout space.\nWe are mission-driven, and together, we are an extraordinary team.\nAbout the Role\nAs a Thermal Analysis Engineer II at Sierra Space, you will advance your career by applying your knowledge and skills in thermal analysis to more complex aerospace projects. With a strong understanding of thermal analysis principles and basic vehicle-level analysis, you will support the design and development of thermal systems within a collaborative team environment. You will work under general supervision, contributing to technical projects and ensuring the application of aerospace principles and standards.In this role, you will conduct detailed thermal analysis and support the development of thermal systems for aerospace applications, leveraging your strong understanding of thermal analysis. You will apply basic use and application of aerospace principles, standards, theories, first-order analysis, and concepts to contribute to engineering projects. Conducting vehicle-level analysis and system design, you will ensure the integration of thermal systems within broader aerospace projects. Additionally, you will develop, prepare, and document technical data, reports, and presentations to support engineering initiatives and facilitate project decision-making processes. Working under general supervision, you will follow established procedures and guidelines while contributing to technical problem-solving and ensuring project success. Collaborating with cross-functional teams, you will integrate thermal analysis solutions into broader engineering designs and projects. You will actively participate in technical reviews, project meetings, and brainstorming sessions, providing technical insights and feedback to drive innovation and progress. Furthermore, you will communicate technical concepts and information clearly, both verbally and in writing, to team members, senior engineers, and other stakeholders, ensuring alignment and effective collaboration.\nAbout You\nOur mission is driven by an unyielding commitment to advancing space-based technology in service of our customers and safeguarding national security. We seek individuals who are passionate about innovating beyond boundaries and relentlessly pursuing solutions that protect, preserve and empower - to join us in this critical mission.\nWe’re looking for team members who align with our values, mission and goals - while also meeting the minimum qualifications below. The preferred qualifications are a bonus, not a requirement.\nMinimum Qualifications:\nRequires Bachelor degree in Engineering (Aerospace or Mechanical) or in a related technical field (or equivalent work experience in lieu of degree).\nTypically 2+ years of related experience.\nStrong understanding of thermal analysis.\nBasic understanding of vehicle-level analysis and system design.\nBasic use and application of aerospace principles, standards, theories, first-order analysis, and concepts.\nAn active Secret U.S. Security Clearance is required (TS/SCI preferred)\nPreferred Qualifications:\nProficiency with engineering software tools and applications related to thermal analysis such as Thermal Desktop, SINDA/FLUINT, ANSYS, or COMSOL for thermal analysis and simulation.\nProficiency in programming and scripting languages (e.g., Python, MATLAB) for automating thermal analysis tasks and post-processing results.\nStrong organizational skills with the ability to manage multiple tasks and priorities effectively.\nDemonstrated eagerness to learn and apply new concepts and methodologies in thermal analysis.\nCommitment to continuous learning and professional development in aerospace engineering.\nEffective teamwork and collaboration skills to work seamlessly within cross-functional teams.\nStrong communication skills to clearly and effectively convey technical information to diverse audiences.\nBasic problem-solving skills and the ability to contribute to technical solutions within thermal analysis projects.\nCompensation:\nPay Range:\n$94,203.00 - $129,549.75Your actual base compensation will be determined on a case-by-case basis and may vary based on job-related knowledge and skills, education, experience, internal equity and market competitiveness.\nElevate Your Career\nAt Sierra Space, we are committed to your personal and professional development. We empower you to make profound and meaningful contributions and foster a vibrant culture of collaboration, where teamwork ignites breakthrough innovations.\nWe also offer a generous benefit package, including medical, dental, and vision plans, 401(k) with 150% match up to 6%, life insurance, 3 weeks paid time off, and more.\nSierra Space is an industry-leading space and defense technology company providing satellites, spacecraft, and enabling mission systems and components. We deliver mission-proven technologies to our customers that safeguard our nation, protect space-based assets and enable space exploration.\nApplication Deadline: This role will remain posted until a qualified pool of candidates is identified.\nPlease note: Sierra Space does not accept unsolicited resumes from contract agencies or search firms. Any unsolicited resumes submitted to our website or to Sierra Space team members not through our approved vendor list or Talent Acquisition will be considered property of Sierra Space, and we will not be obligated to pay any referral fees.\nSierra Space Corporation is an equal opportunity employer and is committed to working with and providing reasonable accommodations to applicants with disabilities. If you need special assistance or a reasonable accommodation related to applying for employment with Sierra Space or at any stage of the recruitment process, please contact us.","description_format":"text","description_chars":6305,"description_truncated":false,"requirements":{"experience_years_min":2,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":true,"languages":[]},"benefits":["Continuous learning","Equity","Life insurance","Professional development"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Space & Aerospace"],"lifecycle":[{"event":"open","at":"2026-09-24T02:14:57Z"}],"visa":[],"liveness":{"score":36,"band":"fade","label":"Fading","p_open":0.9,"p_active":0.538,"p_room":0.75,"age_days":34,"expected_fill_days":36,"reasons":["conf:60","stale_co","velocity","win:late","comp:brand"],"computed_at":"2026-10-27T05:46:45Z"},"pay":{"stated_usd_annual":129549,"is_top_pay":true},"html_url":"https://alion.io/job/sierra-space-p26817-mechanical-engineer-ii","json_url":"https://alion.io/job/sierra-space-p26817-mechanical-engineer-ii.json","meta":{"generated_at":"2026-10-27T19:16:54Z","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":9805,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-28T00:00:00Z"}},"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":58801},"rest":"https://alion.io/mcp/rest/get_company?id=58801"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fsierra-space-p26817-mechanical-engineer-ii"},{"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%2Fsierra-space-p26817-mechanical-engineer-ii"},{"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%2Fsierra-space-p26817-mechanical-engineer-ii"},{"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/sierra-space-p26817-mechanical-engineer-ii\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fsierra-space-p26817-mechanical-engineer-ii"}]}