{"id":2496811,"url":"https://alion.io/job/vnsfederalservices-principal-mechanical-engineer","title":"Principal Mechanical Engineer","company":{"id":4421026,"name":"Veolia","domain":"vnsfederalservices.com","url":"https://alion.io/company/vnsfederalservices","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"iCIMS","truth_index":null},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"lead","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Richland, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":107000,"max_usd":218000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":1695},"experience_years_min":15,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AutoCAD","optional":false},{"name":"AWS","optional":false},{"name":"SolidWorks","optional":false}],"status":"live","first_seen_at":"2026-10-14T04:54:09Z","employer_posted_date":"2026-10-14","last_verified_at":"2026-10-17T21:19:06Z","board_verified":true,"closed_at":null,"days_open":3,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":3},"description":"Overview\nAt Veolia Nuclear Solutions Federal Services (VNSFS), located in Richland, Washington, we are working to support and provide innovative, sustainable, and elegant solutions to some of the most complex challenges facing our government and commercial clients. Located just minutes from anywhere in the Tri-Cities, Veolia offers a flexible and balanced schedule and is seeking talented, driven individuals that want to be part of a team, learn from industry experts, and support our clients’ projects.\nThe Principal Mechanical Engineer is responsible for independently leading engineering assignments and providing technical leadership in support of engineering projects. They are expected to apply advanced engineering knowledge to solve complex technical challenges, coordinate multidisciplinary engineering efforts, mentor junior engineers, and serve as a technical resource to project teams, clients, and management. They are also expected to ensure VNS Federal Services engineering processes continuously improve by identifying lessons learned, driving solution development, and incorporating improvements into other projects. The Principal Engineer has a broad general knowledge of principles and practices of related fields and must work on and lead collaborative multidisciplinary teams. He or she will work on a major project or several projects of moderate scope with complex features.\nThe Principal Engineer understands professional and ethical responsibilities.\nResponsibilities\nResponsibilities:\nContinuously develop technical knowledge and engineering competencies in specific knowledge areas.\nPrepares/Assists proposals that provide engineering services for engineering projects or programs.\nLead the planning, design, and execution of engineering projects.\nLead project schedules, adhere to project budgets, and communicate progress to supervisors.\nProvide technical leadership during project planning, scope development, scheduling, and estimating activities.\nPrepare, review, approve, and ensure the technical quality of designs, drawings, calculations, computation methods, specifications, reports, and other project deliverables.\nEnsure work complies with applicable codes, regulations, client requirements, and company quality standards. \nEvaluate vendor proposals and review vendor drawings, calculations, and technical submittals for compliance with project requirements.\nProvides engineering support for testing and/or construction and performs field inspections, testing, commissioning, or site visits.\nResearch, investigate, collect, organize, and analyze engineering data.\nIdentify technical issues and develop practical engineering solutions while elevating complex matters as appropriate and supporting troubleshooting and resolution of the issue.\nDrive improvements to engineering standards, design practices, and work processes to enhance quality and efficiency.\nKeep informed of new developments and requirements affecting the organization for the purpose of recommending changes in programs or applications.\nMentor engineering staff by providing technical guidance, coaching, and development opportunities.\nPromote a culture of safety, quality, collaboration, and continuous improvement.\nAccountabilities:\nFor Engineering Staff to:Lead members of design teams to complete all required project documents\nAssigns tasks to and coordinates work with mid/entry-level engineers\nAssist in determining schedule and budget requirements\nProvide reviews of completed work for application of sound professional judgment \n\nTo Discipline Manager or PM for:Representing the organization and routinely interacting with clients, customers, officials, contractors, and others to maintain liaison with individuals and related organizations. \nCommunicating proactively with stakeholders and executive management regarding progress, issues, and plans for resolution.\nUnderstanding instructions on general project objectives, attending project meetings, reporting project progress, and presenting specific aspects of an engineering design.\nStewardship of organizational resources and increasing the efficiency and effectiveness of project teams.\nLeading the development of solutions to unconventional and/or complex problems.\nCompliance with VNS Federal Services policies and procedures.\n\nQualifications\nRequired Education/Experience\nBachelor’s Degree in General, Mechanical, or Environmental Engineering\n15+ years of experience in engineering design or Nuclear Facility Operation/Maintenance/Construction\nDesired Experience\nWorking knowledge of MathCAD and AutoCAD/Civil 3D/SolidWorks\nWorking knowledge of system analyses software (RISA, AutoPipe, AFT Fathom/Arrow, etc.)\nWorking knowledge of national codes and standards such as IBC, ASME, AWS etc.\nPE Licensed\nExperience with Federal Projects within the Department of Defense, Department of Energy or Hanford Specific Experience\nFamiliarity with:\nASCE-7 Minimum Design Loads and Associated Criteria for Buildings and Other Structures\nASHRAE fundamentals and standards\nASME AG-1 Code on Nuclear Air and Gas Treatment\nASME B31.X Power/Process/Building Service Piping\nASME BTH-1 Design of Below-the-Hook Lifting Devices\nASME BPVC Boiler and Pressure Vessel Code\nASME Section IX Qualification Standard for Welding, Brazing, and Fusing Procedures\nAWS D9.1, D1.1, D1.6","description_format":"text","description_chars":5331,"description_truncated":false,"requirements":{"experience_years_min":15,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-10-14T04:54:09Z"}],"visa":[],"liveness":{"score":86,"band":"hot","label":"Hiring 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