{"id":3396585,"url":"https://alion.io/job/parsons-senior-mechanical-design-engineer","title":"Senior Mechanical Design Engineer","company":{"id":4937,"name":"Parsons","domain":"parsons.com","url":"https://alion.io/company/parsons","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":81,"open_postings":348,"ghost_share":0,"stale_share":0.98,"repost_share":0,"time_to_fill_p50_days":16,"computed_at":"2026-10-29T05:49:05Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","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":["Abu Dhabi, United Arab Emirates"],"countries":["AE"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":38000,"max_usd":87000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":9},"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Bioreactors","optional":false}],"status":"closed","first_seen_at":"2026-10-28T12:44:29Z","employer_posted_date":"2026-10-28","last_verified_at":"2026-10-29T21:53:59Z","board_verified":false,"closed_at":"2026-10-29T21:53:59Z","days_open":1,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":1},"description":"In a world of possibilities, pursue one with endless opportunities. Imagine Next!At Parsons, you can imagine a career where you thrive, work with exceptional people, and be yourself. Guided by our leadership vision of valuing people, embracing agility, and fostering growth, we cultivate an innovative culture that empowers you to achieve your full potential. Unleash your talent and redefine what’s possible.Job Description:\nSenior Mechanical Design Engineer\nAbu Dhabi, UAE\nParsons is looking for an amazingly talented Senior Mechanical Design Engineer to join our team! In this role you will get todesign and planning of Sewage Treatment Plants, Sewage pump stations, lift stations, process design, odor Control system. treatment facilities and associated piping, process and mechanical systems.\nWhat You'll Be Doing:\nResponsible for the design and planning of sewage treatment plants, sewage pump and lift stations, process design, odour control systems, treatment facilities, and associated piping, process, and mechanical systems.\n\nUndertake the design and planning of various sewage treatment systems such as Activated Sludge Process, Membrane Bioreactors, Moving Bed Biofilm Reactors, containerized units, and package STPs.\n\nDevelop the internal design of treatment system components, including pump stations, screening chambers, grit chambers, primary settling tanks, clarifiers, aeration tanks, blowers, diffusers, trickling filters, chlorination systems, sludge handling units, and dewatering systems.\n\nCarry out the design and planning of potable water, irrigation, stormwater, and wastewater pumping stations, along with associated piping and mechanical systems.\n\nEngineer piping systems and pipelines, including preparation of piping GA drawings, equipment layouts, piping isometrics, valve chamber piping drawings, material take-offs, pump selection, pipe selection and sizing, tank selection and sizing, wet well sizing, and valve selection.\n\nDevelop system curves, perform pump calculations, and select pumps in coordination with pump vendors.\n\nProduce HVAC and ventilation designs for pump stations, treatment plants, and associated facilities.\n\nDevelop fire protection system designs for pump stations and associated facilities.\n\nConduct design review of HVAC, ventilation, and chilled water systems.\n\nEvaluate physical modelling and CFD modelling of wet wells and pump intake designs.\n\nPrepare specifications, technical data sheets, process diagrams, material requisitions, testing and commissioning procedures, O&M manuals, etc., for mechanical and piping/pipeline materials in line with project requirements.\n\nAssess tender submissions, compile recommended queries to bidders, prepare Technical Tender Evaluation Reports for clients, and contribute to the preparation of contract documents.\n\nCompile cost estimates for mechanical and process equipment in coordination with mechanical equipment vendors.\n\nEstimate level of effort and associated costs, and support the submission of bids for engineering and construction projects.\n\nPerform design reviews of mechanical, process, and piping drawings, including general piping design, equipment layouts, piping isometrics, valve chamber piping, etc., ensuring compliance with project specifications and standard procedures.\n\nCheck and comment on equipment testing and commissioning procedures.\n\nReview operation and maintenance manuals.\n\nRead and interpret blueprints, technical drawings, schematics, and computer-generated reports.\n\nResearch and analyze customer design proposals, specifications, manuals, and related data to evaluate feasibility, cost, and maintenance requirements of designs or applications.\n\nExamine and refine troubleshooting procedures, monitor progress, perform tests, conduct inspections, and assist in identifying financial improvement opportunities.\n\nSpecify system components or direct modifications to products to ensure conformance with engineering design and performance specifications.\n\nRecommend design modifications to eliminate equipment or system malfunctions.\n\nWhat Required Skills You'll Bring:\nBachelors Degree in Mechanical Engineering from a recognized university\n\nMinimum 8+ years' experience in designing of sewage pump stations and major utility buildings related to infrastructure works (out of which 7 years in UAE).\n\n What Desired Skills You'll Bring:\nPreferred TAQA-WS/TAQA-D/TAQA-T /Developers/ADM projects design experiences.\n\nExperience in Pipe sizing and hydraulic calculation softwares\n\nHVAC calculations, Revit model review experience.\n\nWet well CFD modeling experience.\n\nPiping stress analysis experience\n\nRelevant GCC experienced candidates are wlecome to apply.\n\nParsons equally employs representation at all job levels no matter the race, color, religion, sex (including pregnancy), national origin, age, disability or genetic information.We truly invest and care about our employee’s wellbeing and provide endless growth opportunities as the sky is the limit, so aim for the stars! Imagine next and join the Parsons quest-APPLY TODAY!\nParsons is aware of fraudulent recruitment practices. To learn more about recruitment fraud and how to report it, please refer to https://www.parsons.com/fraudulent-recruitment/.","description_format":"text","description_chars":5239,"description_truncated":false,"requirements":{"experience_years_min":8,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["Growth opportunities"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["C4ISR","Civil & Structural Engineering","Homeland Security","Engineering Services"],"lifecycle":[{"event":"open","at":"2026-10-28T12:44:29Z"},{"event":"close","at":"2026-10-29T21:53:59Z"}],"visa":[],"liveness":null,"pay":null,"html_url":"https://alion.io/job/parsons-senior-mechanical-design-engineer","json_url":"https://alion.io/job/parsons-senior-mechanical-design-engineer.json","meta":{"generated_at":"2026-10-29T23:36:48Z","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":34738,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-30T00:00:00Z"}},"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":4937},"rest":"https://alion.io/mcp/rest/get_company?id=4937"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fparsons-senior-mechanical-design-engineer"},{"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%2Fparsons-senior-mechanical-design-engineer"},{"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%2Fparsons-senior-mechanical-design-engineer"},{"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/parsons-senior-mechanical-design-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fparsons-senior-mechanical-design-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3396585}},{"tool":"search_jobs","arguments":{"company":"parsons.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3396585},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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