{"id":2211158,"url":"https://alion.io/job/worley-principal-process-engineer-us-mining-metals-and-minerals","title":"Principal Process Engineer- US Mining, Metals, and Minerals","company":{"id":1818849,"name":"Worley","domain":"worley.com","url":"https://alion.io/company/worley-com","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Eightfold","truth_index":{"grade":"B","score":78,"open_postings":211,"ghost_share":0,"stale_share":0.872,"repost_share":0,"time_to_fill_p50_days":35,"computed_at":"2026-10-26T05:57:25Z"}},"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":["Mesa, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":102000,"max_usd":206000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":1961},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Microsoft Office","optional":false}],"status":"live","first_seen_at":"2026-06-09T18:29:43Z","employer_posted_date":"2026-06-09","last_verified_at":"2026-10-26T08:38:26Z","board_verified":true,"closed_at":null,"days_open":138,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":138},"description":"About us\nWorley is a global company of energy, chemicals and resources experts headquartered in Australia. We partner with our customers to deliver projects and create value across the life of their assets. We specialize in consulting, engineering, procurement and construction across the project lifecycle, with services extending through to operations and decommissioning. Leveraging extensive experience and AI-enabled delivery, we support customers in navigating complexity as they meet today's needs and transition to more sustainable solutions.\nSummary\nWe are seeking a Principal Process Engineer with mining and minerals experience for supporting process engineering front end studies and design development. The ideal candidate will also be expected to move into detailed engineering, commissioning, and start-up activities, if required. The purpose of this role is to support delivery of successful projects and programs. You will provide process engineering services to Worley and its customers, including technical support and supervision within the process engineering team.\nResponsibilities\nAssists with development, planning and coordination of complex engineering designs entailing technical specifications and detailed planning in the early phases of projects conceptual through feasibility studies.\n\nDevelops solutions to complex problems that require a high degree of innovation and ingenuity.\n\nAct as a lead discipline engineer on projects or studies.\n\nImplements, modifies, and maintains processes related to the extraction of base and precious metals.\n\nCalculates and organizes data for process flow sheets including instrumentation and control considerations.\n\nModels processes and unit operations.\n\nPrepares specifications and operating instructions for processing equipment.\n\nDevelops process flow diagram to define heat and material balance.\n\nDevelops process specifications such as comminution, flotation, dewatering, pressure oxidation, heap leaching, etc.\n\nParticipates in planning, cost development and management, and scheduling for assigned projects.\n\nDirects activities to ensure that construction, installation, and operational testing conform to functional specifications, recognized codes and standards, and customer requirements.\n\nMaintains effective communication with project team members and with the customer.\n\nExcellent oral and written communication skills required.\n\nQualifications\nRequired\nBachelor’s degree in Metallurgical Engineering, Mineral Processing, Chemical Engineering or equivalent.\n\nPrincipal/Lead level (12+) years of mining and minerals experience.\n\nHydrometallurgy experience especially in the following areas; comminution, ion exchange, thickeners/clarifiers, filtration, and other solid-liquid separation operations, slurry pumping, precipitation, flotation, drying/calcining, heat exchangers, solvent extraction, electrowinning, refining, leaching, crystallization, pumping/piping, instrumentation and process control, and simulation software, etc.\n\nSenior experience of combined process engineering and operations experience with large flotation concentrators, high-pressure autoclaves, solvent-extraction, electrowinning, soda ash or potash operations, and precious metal heap leaching.\n\nProven experience delivering process engineering in an EPCM/Engineering Services environment.\n\nExperience across conceptual studies, PFS, FS and detailed engineering, including commissioning support.\n\nPreferred\nLicensed Professional Engineer in Arizona (or able to obtain one in short term).\n\nAdvanced MS Office skills (Word, Excel, PowerPoint) preferred.\n\nAdditional Skills\nExcellent verbal and written communication skills, with the ability to interact effectively with diverse clients.\n\nStrong analytical and problem-solving abilities to address complex technical and operational challenges.\n\nDemonstrated leadership in managing critical projects with a focus on safety, efficiency and value optimization.\n\nMoving forward together\nWe want our people to be energized and empowered to drive sustainable impact. So, our focus is on a values-inspired culture that unlocks brilliance through belonging, connection and innovation. We're building a diverse, inclusive and respectful workplace. Creating a space where everyone feels they belong, can be themselves, and are heard.\nAnd we're not just talking about it; we're doing it. We're reskilling our people, leveraging transferable skills, and supporting the transition of our workforce to become experts in today's low carbon energy infrastructure and technology. Whatever your ambition, there's a path for you here.\nAnd there's no barrier to your potential career success. Join us to broaden your horizons, explore diverse opportunities, and be part of delivering sustainable change.","description_format":"text","description_chars":4786,"description_truncated":false,"requirements":{"experience_years_min":null,"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":["Energy & Utilities","Financial Services","Science & Engineering"],"lifecycle":[{"event":"open","at":"2026-10-10T03:00:00Z"}],"visa":[],"liveness":{"score":10,"band":"cold","label":"Long shot","p_open":1,"p_active":0.341,"p_room":0.28,"age_days":138,"expected_fill_days":35,"reasons":["conf:1","stale_co","velocity","win:tail","crowd:brand"],"computed_at":"2026-10-26T05:57:25Z"},"pay":null,"html_url":"https://alion.io/job/worley-principal-process-engineer-us-mining-metals-and-minerals","json_url":"https://alion.io/job/worley-principal-process-engineer-us-mining-metals-and-minerals.json","meta":{"generated_at":"2026-10-26T10:22:10Z","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":13992,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-27T00:00:00Z"}},"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":1818849},"rest":"https://alion.io/mcp/rest/get_company?id=1818849"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fworley-principal-process-engineer-us-mining-metals-and-minerals"},{"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%2Fworley-principal-process-engineer-us-mining-metals-and-minerals"},{"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%2Fworley-principal-process-engineer-us-mining-metals-and-minerals"},{"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/worley-principal-process-engineer-us-mining-metals-and-minerals\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fworley-principal-process-engineer-us-mining-metals-and-minerals"}]}