{"id":2823687,"url":"https://alion.io/job/nss-level-ii-mechanical-engineer","title":"Level II Mechanical Engineer","company":{"id":4390940,"name":"NSS","domain":"nsshawaii.com","url":"https://alion.io/company/nsshawaii","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"ADP","truth_index":null},"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":["Oklahoma City, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":85000,"max":105000,"currency":"USD","period":"year","gross":null,"usd_annual":105000},"salary_estimate":null,"experience_years_min":2,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Microsoft Office","optional":false},{"name":"Outlook","optional":false},{"name":"SolidWorks","optional":false}],"status":"live","first_seen_at":"2026-07-16T22:09:00Z","employer_posted_date":"2026-07-16","last_verified_at":"2026-10-19T08:34:43Z","board_verified":true,"closed_at":null,"days_open":94,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":94},"description":"Level II Mechanical Engineer\nSummary of Duties\nNorth Star Scientific Corporation is seeking a Level II Mechanical Engineer in Oklahoma City, OK to support the design, analysis, testing, and manufacturing of ruggedized radar and communication systems. This mid-level engineering position is responsible for applying sound mechanical engineering principles to develop and support complex mechanical designs while working independently on assigned tasks and collaborating with cross-functional engineering teams. The Level II Mechanical Engineer contributes to product development, verification testing, manufacturing support, and continuous product improvement while assisting senior engineering staff in the successful execution of engineering projects.\nProvides mechanical engineering support for the design, analysis, testing, and manufacturing of ruggedized radar and communication systems. \nDesigns electronic packaging, thermal management solutions, cable assemblies, test fixtures, and custom mechanical components and assemblies using 3D CAD software. \nPerforms thermal and structural analyses using analytical calculations and computational simulation tools to evaluate design performance and optimize product reliability. \nDevelops engineering documentation, including detailed drawings, bills of materials (BOMs), assembly instructions, technical procedures, engineering change documentation, and technical reports. \nPlans, conducts, and supports verification, validation, and environmental qualification testing to ensure products meet performance, reliability, and customer requirements. \nAssists with the setup, operation, maintenance, calibration, and troubleshooting of environmental and mechanical test equipment, including temperature, altitude, humidity chambers, and electrodynamic vibration (shaker) systems. \nProvides technical support to the Quality Assurance department by participating in root cause investigations, corrective actions, and continuous product quality improvements. \nCollaborates with electrical engineering, manufacturing, quality assurance, procurement, production, and outside vendors to support product development, manufacturing, and project execution. \nExercises sound engineering judgment while performing engineering assignments of moderate complexity with minimal supervision. \nAssists senior and lead engineers in project execution, technical problem solving, and design reviews. \nPerforms other duties and responsibilities as assigned by management. \nScope of Position\nReports To: Lead Engineering Staff\nSupervises: None\nSignature Authority: None\nLocation: Oklahoma City, OK\nLevel of Interactions: Regularly collaborates with project technical leads, engineering group leaders, senior engineers, technicians, quality assurance personnel, manufacturing, procurement, and outside vendors to support the design, testing, production, and delivery of engineering projects.\nMinimum Qualifications\nEducation\nBachelor's degree from an accredited college or university in Mechanical Engineering or a closely related engineering discipline.\nExperience\nTwo (2) to four (4) years of mechanical engineering experience in product design and development. \nExperience using 3D CAD software to develop mechanical components and assemblies. \nKnowledge, Skills & Abilities\nStrong verbal and written communication skills. \nThorough knowledge of the fundamentals of solid mechanics, fluid mechanics, and heat transfer. \nProficiency with 3D CAD software such as SolidWorks, Siemens NX, or CATIA. \nFamiliarity with finite element analysis (FEA) and computational fluid dynamics (CFD) software such as SolidWorks Simulation, SolidWorks Flow, STAR-CCM+, or Ansys. \nCompetency in preparing engineering drawings in accordance with ASME standards, including geometric dimensioning and tolerancing (GD&T). \nProficiency with Microsoft Office applications, including Word, Excel, Outlook, and PowerPoint. \nAbility to independently organize work, manage multiple assignments, prioritize competing tasks, and meet project deadlines. \nAbility to work effectively both independently and as part of a multidisciplinary engineering team. \nMay be required to obtain and maintain eligibility for access to classified information in accordance with U.S. Government security requirements. \nPhysical Requirements\nAbility to sit, stand, and walk for extended periods. \nAbility to use a computer and standard office equipment. \nAbility to lift and carry up to 25 pounds occasionally. \nAbility to work safely in laboratory and manufacturing environments. \nAbility to perform occasional bending, reaching, climbing, and equipment setup while supporting engineering testing and product development activities. \nDesired Qualifications\nBachelor's degree from an accredited college or university in Mechanical Engineering. \nExperience designing ruggedized electronic packaging or electromechanical assemblies for ground, naval, airborne, or other harsh operating environments. \nProficiency with structural analysis and computational fluid dynamics (CFD) software. \nExperience supporting environmental qualification testing in accordance with military, aerospace, or commercial industry standards. \nFamiliarity with military and aerospace design standards, including environmental qualification requirements. \nExperience supporting product development through manufacturing transition, verification testing, and design 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