{"id":3859992,"url":"https://alion.io/job/sierra-space-sr-assembly-integration-test-ait-engineer-clearance-required-2","title":"Sr Assembly Integration & Test (AI&T) Engineer - (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":79,"open_postings":31,"ghost_share":0,"stale_share":0.839,"repost_share":0,"time_to_fill_p50_days":37,"computed_at":"2026-11-15T07:52:55Z"}},"role":"Aerospace","role_family":"Aerospace","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":["Centennial, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":135695,"max":186601,"currency":"USD","period":"year","gross":null,"usd_annual":186601},"salary_estimate":null,"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"MATLAB","optional":true}],"status":"live","first_seen_at":"2026-11-05T00:00:00Z","employer_posted_date":"2026-11-05","last_verified_at":"2026-11-15T06:25:55Z","board_verified":true,"closed_at":null,"days_open":10,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":10},"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 Sr Test Engineer at Sierra Space, you will leverage your extensive expertise and experience to lead and contribute to advanced testing and validation projects of aerospace systems and components, working on cutting-edge satellite and spacecraft programs. You will work with considerable latitude in determining technical objectives and provide guidance and mentorship to early career engineers. Representing Test Engineering, you will engage with cross-organizational senior personnel and serve as the prime technical contact on significant programs and projects.About 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.\nKey Responsibilities:\nLead and execute advanced and complex test plans, test procedures, and test reports to demonstrate compliance with system requirements.\nApply extensive technical expertise and working knowledge in the execution of Test Engineering tasks, providing innovative solutions to complex technical problems.\nWork without appreciable direction, exercising considerable latitude in determining technical objectives and approaches.\nGuide, mentor, and lead early career engineers in completing job assignments, fostering professional development and technical growth.\nUtilize and master various testing equipment, standards, and methodologies to support validation efforts and ensure the quality of aerospace systems and components.\nDevelop and implement creative and effective solutions to complex technical problems, demonstrating ingenuity and creativity.\nOversee the successful completion of major program milestones, potentially functioning in a project leadership role.\nInteract with cross-organizational senior personnel on significant technical matters, fostering collaboration and technical excellence.\nRepresent the organization as the prime technical contact on programs and projects, ensuring alignment with technical objectives and organizational goals.\nPrepare and document detailed technical data, reports, and analyses to support engineering initiatives and project decision-making.\nCommunicate complex technical concepts and information clearly to team members, senior engineers, and stakeholders, ensuring effective collaboration and successful outcomes.\nMinimum Qualifications:\nRequires Bachelor's degree in a related field (or equivalent work experience in lieu of degree or Masters +6 yrs experience).\nTypically 8+ years of related experience.\nAn active Top Secret U.S. Security Clearance is required\nDemonstrated expertise in one area of test engineering principles and practices (dynamics, thermal, measurement, HSI, SW Test, Integration, etc.).\nAbility to work without appreciable direction with considerable latitude in determining technical objectives of assignments.\nAbility to lead, mentor, and guide early career engineers in the completion of job assignments.\nExtensive technical expertise and working knowledge in the execution of Test Engineering job functions.\nExpertise with various testing equipment, standards, and methodologies.\nPreferred Qualifications:\nProficiency with advanced engineering software tools such as LabVIEW, MATLAB, or TestStand for testing and validation.\nExperience with environmental testing equipment such as thermal chambers, vibration tables, and data acquisition systems.\nStrong organizational skills with the ability to manage multiple high-complexity tasks and priorities effectively.\nDemonstrated ability to rapidly learn and apply new concepts and methodologies in test engineering.\nCommitment to continuous learning and professional development in aerospace engineering.\nStrong leadership and collaboration skills to work effectively within cross-functional teams and lead initiatives.\nExcellent communication skills to clearly and effectively convey complex technical information to diverse audiences.\nProven track record of successful technical leadership and ownership of high-impact projects from concept through completion.\nCompensation:\nPay Range:\n$135,695.00 - $186,601.25Your 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.\nIMPORTANT NOTICE:\nThis position requires current/active Top Secret U.S. Security Clearance. U.S. Citizenship status is required as this position needs an active U.S. Security Clearance for employment. Non-U.S. Citizens may not be eligible to obtain a security clearance. The Department of Defense Consolidated Adjudications Facility (DoD CAF), a federal government agency, handles the adjudicative aspects of the security clearance eligibility process for industry applicants. Adjudicative factors which affect the outcome of the eligibility determination include, but are not limited to, allegiance to the U.S., foreign influence, foreign preference, criminal conduct, security violations and illegal drug use.\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. 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