{"id":2827269,"url":"https://alion.io/job/tditek-mechanical-engineer-shipboard-systems","title":"Mechanical Engineer - Shipboard Systems","company":{"id":4447711,"name":"Tditek","domain":"tditek.com","url":"https://alion.io/company/tditek","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Paylocity","truth_index":{"grade":"B","score":75,"open_postings":4,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-20T05:45:00Z"}},"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":["Philadelphia, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":74000,"max":87000,"currency":"USD","period":"year","gross":null,"usd_annual":87000},"salary_estimate":null,"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Microsoft Office","optional":false},{"name":"MATLAB","optional":true},{"name":"Python","optional":true}],"status":"live","first_seen_at":"2026-09-02T17:38:49Z","employer_posted_date":"2026-10-18","last_verified_at":"2026-10-19T22:44:05Z","board_verified":true,"closed_at":null,"days_open":47,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":47},"description":"Description\nTDI is seeking a motivated Mechanical Engineer to support preliminary design activities for the Navy’s future surface combatant ship. This position targets an early-career engineer with approximately 3-5 years of professional experience who is interested in developing expertise in shipboard mechanical systems, engineering analysis, systems engineering, modeling and simulation, and naval ship design.\nThe Mechanical Engineer will contribute to the development, analysis, documentation, and integration of shipboard hull, machinery, and mechanical systems. The successful candidate will receive increasing levels of technical responsibility as experience and proficiency are demonstrated.\nThe position provides an opportunity to work on technically challenging engineering problems involving complex shipboard systems and to collaborate with naval architects, mechanical and electrical engineers, mathematicians, systems engineers, cybersecurity personnel, government stakeholders, and industry partners.\nThe position is based at the Naval Shipyard in Philadelphia, Pennsylvania (NSWCPD) and will require periodic travel to government, shipyard, laboratory, and vendor facilities in support of engineering meetings, testing, demonstrations, and technical investigations.\nBenefits:\nMedical, Dental, Vision, Life Insurance, Disability Insurance, Voluntary Benefits, 401K, Tuition Assistance, Paid Vacation, Paid Holiday, and Paid Sick Leave.\nKey Responsibilities\nThe Mechanical Engineer will support the Lead Engineer in the following areas:\nEngineering Analysis and Design\nPerform engineering analyses and calculations supporting shipboard mechanical and machinery systems.\nAssist with the development and evaluation of preliminary designs, system concepts, and engineering alternatives.\nAnalyze mechanical and fluid systems and assist in identifying system requirements, interfaces, constraints, and performance characteristics.\nSupport development of equipment and system-level technical documentation.\nReview engineering drawings, diagrams, specifications, technical reports, and vendor documentation for technical accuracy and consistency.\nAssist in evaluating existing shipboard systems to identify key components, functions, interfaces, operating characteristics, and system dynamics.\nApply engineering fundamentals to investigate technical issues and develop practical engineering recommendations.\nSupport reliability engineering activities and engineering assessments as directed by the Lead Engineer.\nFluid Systems and Modeling\nSupport development and analysis of shipboard fluid and machinery systems.\nDevelop or review fluid-system models and engineering calculations used to evaluate system performance.\nAssist with modeling of pumps, valves, piping systems, heat exchangers, tanks, controls, and other mechanical system components.\nSupport the development of system models for engineering studies and concept evaluations.\nUse engineering software and computational tools to perform calculations, evaluate alternatives, and communicate technical results.\nDevelop proficiency with fluid-system modeling tools such as PIPE-FLO or comparable software as required by project assignments.\nAssist with the documentation and validation of engineering models and assumptions.\nSystems Engineering and Digital Engineering\nSupport the Lead Engineer in documenting system requirements, functional relationships, interfaces, and system architecture.\nAssist in developing system models and model components for complex HM&E systems.\nResearch and organize technical information required to represent existing shipboard systems within modeling and simulation environments.\nSupport use of digital engineering and systems modeling tools, potentially including Cameo Systems Modeler, PhoenixModelCenter, BOXARR, Innoslate, or comparable platforms.\nAssist in maintaining engineering data, assumptions, calculations, model documentation, and configuration-controlled technical products.\nTechnical Documentation\nPrepare engineering memoranda, technical reports, calculations, presentations, diagrams, spreadsheets, and other technical products.\nSupport preparation and review of system development plans, specifications, requirements documents, and engineering studies.\nTranslate technical information from government, industry, and vendor sources into clear engineering documentation.\nResearch technical standards, specifications, regulations, and other engineering references applicable to shipboard systems.\nAssist in documenting engineering processes, methodologies, assumptions, and analytical results.\nPrepare meeting materials and technical briefings under the direction of the Lead Engineer.\nTesting, Demonstrations, and Technical Investigations\nProvide engineering support during machinery research, development, testing, and evaluation activities.\nParticipate in technical meetings, equipment demonstrations, testing activities, and site visits.\nAssist with development of test plans, data collection approaches, engineering assessments, and test documentation.\nReview test data and assist in identifying trends, anomalies, and potential engineering issues.\nSupport technical investigations conducted at Philadelphia-area government, shipyard, laboratory, and vendor facilities.\nProgram and Team Support\nParticipate in multidisciplinary engineering meetings and technical reviews.\nTrack assigned technical action items and assist with preparation of meeting minutes and status updates.\nDevelop task-level schedules, work plans, and technical approaches for assigned engineering activities.\nCommunicate technical findings and project status clearly to the Lead Engineer and other team members.\nCoordinate with other engineers to identify technical interfaces, dependencies, and potential conflicts.\nSupport preparation of engineering and acquisition documentation associated with DoD programs.\nPerform other engineering duties as assigned by the Lead Engineer or Project Manager.\nRequired Qualifications\nBachelor's degree in Mechanical Engineering, Marine Engineering, Naval Architecture, or a closely related engineering discipline.\n3-5 years of relevant engineering experience. Strong candidates with less than two years of experience will be considered.\nDemonstrated understanding of fundamental mechanical engineering principles, including fluid mechanics, thermodynamics, heat transfer, mechanics, and/or machine design.\nAbility to read and interpret engineering drawings, schematics, specifications, technical reports, and equipment documentation.\nStrong analytical and problem-solving skills.\nAbility to organize technical information and communicate engineering findings clearly in written and verbal form.\nProficiency with Microsoft Office applications, particularly Word, Excel, and PowerPoint.\nAbility to work independently on assigned technical tasks while operating effectively as part of a multidisciplinary engineering team.\nAbility and willingness to work in the Philadelphia-area engineering and shipbuilding environment and travel periodically to government, shipyard, laboratory, and vendor facilities.\nClearance & Certifications\nSpecial Requirements:\nU.S. citizenship required; must possess or be able to obtain a Secret clearance. \nMust have a valid US passport or the ability to obtain one upon position acceptance. \nDue to the nature of our work with the U.S. Department of Defense, U.S. citizenship is required. Some positions may require the renunciation of any non-U.S. citizenship to obtain and maintain a security clearance. \nPreferred Qualifications\nExperience with shipboard mechanical, machinery, HVAC, piping, propulsion, auxiliary, or other HM&E systems.\nExperience with fluid-system analysis or modeling software such as PIPE-FLO, AFT Fathom, AFT Arrow, or comparable tools.\nExperience with CAD or engineering drawing tools.\nExperience with MATLAB, Python, or other engineering computational tools.\nFamiliarity with systems engineering, model-based systems engineering (MBSE), or digital engineering concepts.\nExperience with Cameo Systems Modeler, PhoenixModelCenter, BOXARR, Innoslate, or comparable modeling platforms.\nExperience supporting engineering testing, demonstrations, laboratory activities, or equipment evaluations.\nFamiliarity with Navy, DoD, commercial marine, or other applicable engineering standards and specifications.\nEngineer-in-Training (EIT) certification or progress toward professional engineering licensure.\nPrevious experience supporting government or defense programs.\nDesired Professional Characteristics\nThe successful candidate will be a technically curious engineer who is interested in learning how complex shipboard systems operate as integrated systems rather than focusing exclusively on individual components.\nThe candidate should demonstrate:\nStrong attention to technical detail.\nIntellectual curiosity and willingness to learn unfamiliar systems.\nA methodical approach to engineering analysis and problem solving.\nAbility to ask appropriate questions and seek assistance when necessary.\nAbility to work effectively with senior engineers and subject-matter experts.\nStrong written and verbal communication skills.\nAbility to manage multiple assignments and meet established deadlines.\nProfessional judgment regarding technical assumptions, data quality, and engineering uncertainty.\nInterest in developing expertise in naval ship design, machinery systems, systems engineering, and engineering modeling.\nEducation and Experience Progression\nThis position is intentionally structured to accommodate engineers at different stages of early professional development.\nAn engineer entering the position with limited experience will initially focus on engineering calculations, technical research, documentation, model development, drawing review, and other defined technical assignments under the direction of the Lead Engineer.\nAs proficiency develops, the engineer will assume increasing responsibility for individual systems, engineering analyses, technical documents, and modeling activities. A successful engineer should ultimately be capable of independently performing defined engineering studies, developing technical products, coordinating with other technical disciplines, and presenting engineering findings to the Lead Engineer and project team.\nThe position may involve occasional travel in support of technical meetings, testing, demonstrations, engineering investigations, and program activities.\nEqual Employment Opportunity Policy:\nTDI Technologies, Inc. provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws.\nSalary Description\n$74,000 - $87,000/year","description_format":"text","description_chars":10981,"description_truncated":false,"requirements":{"experience_years_min":3,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":true,"languages":[]},"benefits":["401k plan","Life insurance","Professional development"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Cybersecurity","Science & Engineering","Logistics"],"lifecycle":[{"event":"open","at":"2026-10-18T23:51:34Z"}],"visa":[],"liveness":{"score":25,"band":"fade","label":"Fading","p_open":1,"p_active":0.55,"p_room":0.45,"age_days":47,"expected_fill_days":30,"reasons":["conf:7","win:tail"],"computed_at":"2026-10-20T05:45:00Z"},"pay":{"stated_usd_annual":87000,"is_top_pay":false},"html_url":"https://alion.io/job/tditek-mechanical-engineer-shipboard-systems","json_url":"https://alion.io/job/tditek-mechanical-engineer-shipboard-systems.json","meta":{"generated_at":"2026-10-20T08:24:19Z","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":9049,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-21T00:00:00Z"}},"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":4447711},"rest":"https://alion.io/mcp/rest/get_company?id=4447711"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Ftditek-mechanical-engineer-shipboard-systems"},{"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%2Ftditek-mechanical-engineer-shipboard-systems"},{"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%2Ftditek-mechanical-engineer-shipboard-systems"},{"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/tditek-mechanical-engineer-shipboard-systems\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Ftditek-mechanical-engineer-shipboard-systems"}]}