{"id":3545103,"url":"https://alion.io/job/aecom-senior-hvac-engineer-3","title":"Senior HVAC Engineer","company":{"id":3394,"name":"AECOM","domain":"aecom.com","url":"https://alion.io/company/aecom","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"SmartRecruiters","truth_index":{"grade":"B","score":74,"open_postings":711,"ghost_share":0.023,"stale_share":0.965,"repost_share":0.023,"time_to_fill_p50_days":35,"computed_at":"2026-11-02T06:13:15Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"senior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Bucharest, Romania"],"countries":["RO"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":31000,"max_usd":70000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":8444},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[],"status":"live","first_seen_at":"2026-10-30T20:19:56Z","employer_posted_date":"2026-10-30","last_verified_at":"2026-11-03T00:20:22Z","board_verified":true,"closed_at":null,"days_open":3,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":3},"description":"Work with Us. Change the World.\nAt AECOM, we're delivering a better world. Whether improving your commute, keeping the lights on, providing access to clean water, or transforming skylines, our work helps people and communities thrive. We are the world's trusted infrastructure consulting firm, partnering with clients to solve the world’s most complex challenges and build legacies for future generations.\nThere has never been a better time to be at AECOM. With accelerating infrastructure investment worldwide, our services are in great demand. We invite you to bring your bold ideas and big dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world.\nWe're one global team driven by our common purpose to deliver a better world. Join us.\n AECOM is seeking a motivated and technically capable Senior HVAC Engineer to join our MEP team. This is a hands-on engineering role for a professional who works with a high degree of autonomy on both standalone and larger collaborative projects, delivering quality HVAC designs, and contributing to a culture of technical excellence.\nIn this role, you will independently execute primary design elements for HVAC systems, apply your technical expertise to resolve engineering challenges, and support senior engineers on complex assignments. You will also begin to take on direct client interactions and play an active role in guiding junior team members, making this an excellent opportunity to grow toward a principal-level career path\nResponsibilities:\nDesign & Technical Execution\nIndependently perform HVAC design tasks including load calculations, equipment selection, ductwork and piping layouts, and system sizing for a range of building types and project scales.\nGather, correlate, and interpret engineering data using established procedures to develop well-founded design solutions.\nPrepare primary design elements for HVAC components of PS&E packages under general guidance from senior or principal engineers.\nPropose and implement modifications to standard procedures when encountering novel design challenges, drawing on prior project experience.\nIdentify discrepancies in design results, investigate root causes, and recommend corrective actions.\nPrepare technical specification sections for HVAC systems and equipment, ensuring compliance with applicable codes and standards.\nDevelop HVAC portions of construction cost estimates and contribute to technical effort assessments.\nQuality Assurance & Documentation\nPerform a thorough self-check of all work products prior to submission to senior reviewers or clients.\nCarry out technical quality reviews of calculations and drawings, documenting findings in the project record in accordance with company policies and procedures.\nProactively identify improvement opportunities in existing HVAC design processes and advocate for their implementation.\nMaintain accurate and organized project documentation throughout the design lifecycle.\nInterdisciplinary Coordination & Client Interaction\nCoordinate with structural, electrical, plumbing, and fire protection disciplines to ensure integrated and conflict-free HVAC designs.\nBegin to interact directly with clients to gather project information, clarify scope requirements, and present draft deliverables.\nExchange technical information on sensitive matters with internal and external stakeholders, working to build consensus across teams.\nAssist with the preparation of technical proposals and contribute to project pursuit activities.\nTeam Development & Knowledge Growth\nProvide day-to-day guidance and technical training to entry-level and junior engineers, supporting their professional development.\nContribute to internal knowledge sharing through participation in team reviews, technical discussions, and lessons-learned sessions.\nActively participate in professional or industry organizations (e.g., ASHRAE local chapters) as a committee member.\nPursue continuing education, relevant technical certifications, and professional licensure to maintain and expand expertise.\n Qualifications & Experience:\nRequired:\nBachelor's degree in Mechanical Engineering or a closely related engineering discipline.\nMinimum 5-7 years of experience in HVAC engineering design, with demonstrated ability to independently execute primary design elements.\nSolid knowledge of HVAC systems including central air handling units, VAV systems, chilled water and heating hot water distribution, exhaust and ventilation systems, and split/VRF systems.\nProficiency in HVAC load calculation and design tools (e.g., Trane TRACE, HAP, eQUEST, or equivalent).\nGood working knowledge of applicable codes and standards including ASHRAE 62.1, 90.1, 55, IMC, and local energy and building codes.\nProven ability to manage your own workload, meet deadlines, and deliver technical work within agreed budget and schedule with minimal supervision.\nStrong analytical and problem-solving skills, with a track record of identifying design discrepancies and proposing effective solutions.\nEffective written and verbal communication skills, with the ability to exchange technical information clearly with colleagues and clients\nPreferred:\nExperience with specialist HVAC applications such as data centers, healthcare, pharmaceutical, or laboratory environments.\nFamiliarity with Building Automation Systems (BAS) and DDC controls, including integration and sequence-of-operations documentation.\nExposure to Building Information Modelling (BIM) tools, particularly Revit MEP, with experience contributing to federated models.\nLEED Green Associate or LEED AP credential, with practical exposure to energy-efficient design strategies.\nBasic familiarity with commissioning processes and coordination requirements during construction administration.\nExperience using design software with energy simulation or CFD capabilities for system optimization.\nPrior involvement in writing or reviewing sections of technical reports or project proposals.\nExposure to design-build project environments or integrated project delivery methodologies.\nWorking towards or holding a Professional Engineer (PE) license or equivalent registered engineering credential; active pursuit of licensure is expected at this level.\n At AECOM, we are committed to maintaining a secure and trustworthy recruitment process and take any fraudulent hiring activity seriously. To support this commitment, all newly hired employees are required to attend an in-person Day 1 onboarding at an AECOM office location as a condition of employment.\nAbout AECOM\nAECOM is proud to offer comprehensive benefits to meet the diverse needs of our employees. Depending on your employment status, AECOM benefits may include medical, dental, vision, life, AD&D, disability benefits, paid time off, leaves of absences, voluntary benefits, perks, flexible work options, well-being resources, employee assistance program, business travel insurance, service recognition awards, retirement savings plan, and employee stock purchase plan.\nAECOM is the global infrastructure leader, committed to delivering a better world. As a trusted professional services firm powered by deep technical abilities, we solve our clients’ complex challenges in water, environment, energy, transportation and buildings. Our teams partner with public- and private-sector clients to create innovative, sustainable and resilient solutions throughout the project lifecycle - from advisory, planning, design and engineering to program and construction management. AECOM is a Fortune 500 firm that had revenue of $16.1 billion in fiscal year 2025. Learn more at aecom.com.\nWhat makes AECOM a great place to work\nYou will be part of a global team that champions your growth and career ambitions. Work on groundbreaking projects - both in your local community and on a global scale - that are transforming our industry and shaping the future. With cutting-edge technology and a network of experts, you’ll have the resources to make a real impact. Our award-winning training and development programs are designed to expand your technical expertise and leadership skills, helping you build the career you’ve always envisioned. Here, you’ll find a welcoming workplace built on respect, collaboration and community - where you have the freedom to grow in a world of opportunity.\nAs an Equal Opportunity Employer, we believe in your potential and are here to help you achieve it. All your information will be kept confidential according to EEO guidelines.","description_format":"text","description_chars":8670,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[{"language":"English","level":"All levels","optional":false}]},"benefits":["Flexible schedule","Professional development","Retirement plans"],"hiring_locations":[{"name":"Romania","iso":"RO","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["HVAC & Refrigeration","Civil & Structural Engineering","Architecture","Engineering Services"],"lifecycle":[{"event":"open","at":"2026-10-30T20:28:19Z"}],"visa":[],"liveness":{"score":63,"band":"ok","label":"Likely open","p_open":1,"p_active":0.632,"p_room":1,"age_days":2,"expected_fill_days":35,"reasons":["conf:0","stale_co","velocity","win:early","comp:brand"],"computed_at":"2026-11-02T06:13:15Z"},"pay":null,"html_url":"https://alion.io/job/aecom-senior-hvac-engineer-3","json_url":"https://alion.io/job/aecom-senior-hvac-engineer-3.json","meta":{"generated_at":"2026-11-03T04:04:02Z","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":5611,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-04T00:00:00Z"}},"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":3394},"rest":"https://alion.io/mcp/rest/get_company?id=3394"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Faecom-senior-hvac-engineer-3"},{"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%2Faecom-senior-hvac-engineer-3"},{"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%2Faecom-senior-hvac-engineer-3"},{"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/aecom-senior-hvac-engineer-3\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Faecom-senior-hvac-engineer-3"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3545103}},{"tool":"search_jobs","arguments":{"company":"aecom.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3545103},"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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