{"id":3509515,"url":"https://alion.io/job/aecom-principal-associate-director-mechanical-engineer-buildings","title":"Principal / Associate Director - Mechanical Engineer (Buildings)","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":713,"ghost_share":0.022,"stale_share":0.965,"repost_share":0.022,"time_to_fill_p50_days":35,"computed_at":"2026-11-01T06:10:25Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"head","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Sydney, Australia"],"countries":["AU"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":109000,"max_usd":261000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":841},"experience_years_min":11,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[],"status":"live","first_seen_at":"2026-10-30T06:28:40Z","employer_posted_date":"2026-10-30","last_verified_at":"2026-11-01T18:04:29Z","board_verified":true,"closed_at":null,"days_open":2,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":2},"description":"Come and grow with us.\nOur global portfolio of work comprises the design of iconic and award-winning buildings and landscapes. From strategic planning through to project realisation, the connections we make among people and place provide sustainable outcomes for our clients and the communities we serve. We place a premium on investing in digital capabilities and innovations which bring a unique consistency and efficiency to our scalable work. Together with our clients, we are working to evolve and elevate the built environment across sectors including social infrastructure, transit, technology and logistics, and commercial and corporate real estate, while focusing on solutions that promote long term health and wellbeing for all.\nEveryone belongs at AECOM\nWe’re committed to diversity, equity, inclusion, and belonging - because great ideas come from diverse perspectives. AECOM is proud to be a Fortune 500 Most Admired Company, a WGEA Employer of Choice for Gender Equality, #Work180 Equitable Workplace Awards 2025 Winner and an AWEI Bronze Tier LGBTQ+ Inclusive Employer.\n Due to strategic growth, we are looking for an Associate Director or Principal level Mechanical Engineer to join our Building Engineering team, based in Sydney. This opportunity is ideal for a well-connected industry professional who brings deep technical expertise, strong client engagement skills and experience delivering complex building engineering projects across multiple sectors.\nHow you’ll make a difference:\nLead mechanical design and delivery for major client projects, from concept through to completion.\nApply your extensive design experience to deliver innovative, practical and cost-effective solutions across projects of varying size, scope and complexity.\nParticipate in technical reviews and design assurance, ensuring project deliverables meet the highest standards.\nWork collaboratively within multidisciplinary engineering teams, contributing to interdisciplinary reviews and project outcomes.\nBuild strong relationships with clients and stakeholders, helping to drive successful project delivery.\nMentor and develop junior engineers, sharing your technical knowledge and supporting the growth of our local and national teams.\nUndertake quality control reviews of design calculations, drawings and technical documentation.\n The qualities that help you thrive:\nThe following qualifications and experience are highly desired, but if you don’t tick all the boxes, you could still be a perfect fit for this role. Please apply, all applications will be considered.\nChartered Engineer with relevant professional engineer registration, or transferrable RPEQ/RPEV registration. Equivalent recognition with a relevant professional body will also be considered.\nIdeally, 11+ years’ experience in a Building Services consultancy or significant design experience within the Mechanical Contracting field.\nProven record in technical design and project delivery while building and maintaining strong client relationships.\nIn-depth knowledge of Building Services projects and Standards, able to share technical expertise with clients, junior engineers, and broader teams across major projects.\nExperience managing multiple technical projects simultaneously, with demonstrable design experience across a variety of market sectors.\nExcellent communication and soft skills, with a passion for mentoring and developing junior engineers.\nDue to the nature of projects, Australian Citizenship is required, with current / previously held defence clearance highly regarded. \n Why you’ll love working with us\nFlexible work arrangements, including alternative start/finish times, job-sharing and hybrid work options\nPurchase up to 6 weeks additional annual leave per year\nFlex public holidays - swap Easter or other holidays for ones that suit you better\nContinuous learning and growth - lunch and learns, professional development courses, financial study assistance, 5 days paid study leave, global career opportunities\nReady to push the limits of what’s possible?\nWe welcome applications from individuals of all backgrounds, including those with disabilities, additional health or mental health needs, and/or neurodiverse conditions. If you require any adjustments during the hiring process, please let us know.\nApplications are reviewed as they come in, and the role may close earlier than expected, so if this opportunity sounds like you, we encourage you to apply as soon as possible.\nLearn more about life at AECOM: LinkedIn, Facebook , Instagram, X, YouTube - explore our AECOM voices, employee stories, latest projects, and much more!\nAt 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.\nAECOM acknowledges the Traditional Owners and Custodians of the lands on which we, our clients and our communities live and work around Australia. We pay our respects to their cultures and to their Elders - past, present, and emerging. We are committed to connecting to Country in our work through meaningful engagement with First Nations peoples and businesses. Find out more about our Australian Reconciliation Action Plan here: https://aecom.com/au/our-vision-for-reconciliation/.\nAbout AECOM\nAECOM is the world’s trusted infrastructure consulting firm, delivering professional services throughout the project lifecycle - from advisory, planning, design and engineering to program and construction management. On projects spanning transportation, buildings, water, new energy and the environment, our public- and private-sector clients trust us to solve their most complex challenges. Our teams are driven by a common purpose to deliver a better world through our unrivaled technical and digital expertise, a culture of equity, diversity and inclusion, and a commitment to environmental, social and governance priorities. AECOM is a Fortune 500 firm and its Professional Services business had revenue of $16.1 billion in fiscal year 2025. See how we are delivering sustainable legacies for generations to come at aecom.com and @AECOM.\nFreedom to Grow in a World of Opportunity\nYou will have the flexibility you need to do your best work with hybrid work options. Whether you’re working from an AECOM office, remote location or at a client site, you will be working in a dynamic environment where your integrity, entrepreneurial spirit and pioneering mindset are championed.\nYou will help us foster a culture of equity, diversity and inclusion - a safe and respectful workplace, where we invite everyone to bring their whole selves to work using their unique talents, backgrounds and expertise to create transformational outcomes for our clients.\nAECOM provides a wide array of compensation and benefits programs to meet the diverse needs of our employees and their families. We also provide a robust global well-being program. We’re the world’s trusted global infrastructure firm, and we’re in this together - your growth and success are ours too.\nJoin us, and you’ll get all the benefits of being a part of a global, publicly traded firm - access to industry-leading technology and thinking and transformational work with big impact and work flexibility. As an Equal Opportunity Employer, we believe in each person’s potential, and we’ll help you reach yours.","description_format":"text","description_chars":7490,"description_truncated":false,"requirements":{"experience_years_min":11,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[{"language":"English","level":"All levels","optional":false}]},"benefits":["Annual leave","Continuous learning","Equity","Flexible schedule","Hybrid work","Professional development"],"hiring_locations":[{"name":"Australia","iso":"AU","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Civil & Structural Engineering","Urban Planning","Architecture","Engineering Services"],"lifecycle":[{"event":"open","at":"2026-10-30T06:55:06Z"}],"visa":[],"liveness":{"score":63,"band":"ok","label":"Likely open","p_open":1,"p_active":0.632,"p_room":1,"age_days":1,"expected_fill_days":35,"reasons":["conf:0","stale_co","velocity","win:early","comp:brand"],"computed_at":"2026-11-01T06:10:25Z"},"pay":null,"html_url":"https://alion.io/job/aecom-principal-associate-director-mechanical-engineer-buildings","json_url":"https://alion.io/job/aecom-principal-associate-director-mechanical-engineer-buildings.json","meta":{"generated_at":"2026-11-01T20:30:52Z","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":31458,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-02T00:00:00Z"}},"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-principal-associate-director-mechanical-engineer-buildings"},{"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-principal-associate-director-mechanical-engineer-buildings"},{"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-principal-associate-director-mechanical-engineer-buildings"},{"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-principal-associate-director-mechanical-engineer-buildings\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Faecom-principal-associate-director-mechanical-engineer-buildings"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3509515}},{"tool":"search_jobs","arguments":{"company":"aecom.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3509515},"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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