{"id":4239520,"url":"https://alion.io/job/valero-principal-process-engineer-fractionation","title":"Principal Process Engineer - Fractionation","company":{"id":1806372,"name":"Valero","domain":"valero.com","url":"https://alion.io/company/valero","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Oracle","truth_index":null},"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":["San Antonio, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":50000,"max":null,"currency":"USD","period":"year","gross":null,"usd_annual":50000},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[],"status":"live","first_seen_at":"2026-11-10T00:00:00Z","employer_posted_date":"2026-11-10","last_verified_at":"2026-11-13T12:21:50Z","board_verified":true,"closed_at":null,"days_open":3,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":3},"description":"Valero is looking for a Principal Process Engineer - Fractionation to join the Process Optimization & Support team at the Valero Headquarters in San Antonio, Texas. The Principal Process Engineer - Fractionation serves as Fractionation Subject Matter Expert providing best in class support for refinery optimization and project support.\nResponsibilities may also include:\nReports to Technology Advisor, Fractionation and Crude units\nSupports day-to-day routine optimization and troubleshooting distillation and Crude and Vacuum unit issues across the Refinery sites as needed.\nProvides higher level troubleshooting and debottlenecking capability.\nResponds to refinery requests for assistance.\nProvide technical leadership to further develop Valero’s Process Chemical treatment program. \nAssists plants with investigation and implementation of strategic projects.\nAssists in the development and application of distillation and Crude and Vacuum unit technologies across the Refinery sites.\nStays abreast of emerging technology in in Distillation, Crude and Vacuum units.\nAssists with establishing Key Processing “Best Practices” to improve profitability, including: operating conditions, feedstock processing, hardware change recommendations, monitoring process conditions, and unit performance reporting/comparison (benchmarking).\nSupports capital development process in technology selection and front-end engineering as requested.\nConducts regular site visits to assist in evaluation, monitoring, troubleshooting, process design, performance tests, and optimization.\nConducts site visits during turnarounds/outages to assist with tower inspections, scope development, and solution evaluations.\nProvides training for Valero early career engineers; Crude/Vacuum, Intro/Advanced Distillation, Intern, and selected onsite training (Operations support and Installation/Inspection).\nManages projects ranging from $50k - $5M.\nActs as primary contact with and monitors performance of Consultants, Vendors, Construction Contractors, and Subcontractors, etc. employed for the projects.\nCommunicates formally and informally to management at the refinery.\nDevelops and releases monthly Progress Reports.\nResolves technical/commercial/schedule issues and conflicts.\nControls project changes and directs communication with the refinery management regarding changes and change control.\nThis position is salaried exempt status, which means you are not eligible for overtime pay.\nValero is looking for a Principal Process Engineer - Fractionation to join the Process Optimization & Support team at the Valero Headquarters in San Antonio, Texas. The Principal Process Engineer - Fractionation serves as Fractionation Subject Matter Expert providing best in class support for refinery optimization and project support.\nResponsibilities may also include:\nReports to Technology Advisor, Fractionation and Crude units\nSupports day-to-day routine optimization and troubleshooting distillation and Crude and Vacuum unit issues across the Refinery sites as needed.\nProvides higher level troubleshooting and debottlenecking capability.\nResponds to refinery requests for assistance.\nProvide technical leadership to further develop Valero’s Process Chemical treatment program. \nAssists plants with investigation and implementation of strategic projects.\nAssists in the development and application of distillation and Crude and Vacuum unit technologies across the Refinery sites.\nStays abreast of emerging technology in in Distillation, Crude and Vacuum units.\nAssists with establishing Key Processing “Best Practices” to improve profitability, including: operating conditions, feedstock processing, hardware change recommendations, monitoring process conditions, and unit performance reporting/comparison (benchmarking).\nSupports capital development process in technology selection and front-end engineering as requested.\nConducts regular site visits to assist in evaluation, monitoring, troubleshooting, process design, performance tests, and optimization.\nConducts site visits during turnarounds/outages to assist with tower inspections, scope development, and solution evaluations.\nProvides training for Valero early career engineers; Crude/Vacuum, Intro/Advanced Distillation, Intern, and selected onsite training (Operations support and Installation/Inspection).\nManages projects ranging from $50k - $5M.\nActs as primary contact with and monitors performance of Consultants, Vendors, Construction Contractors, and Subcontractors, etc. employed for the projects.\nCommunicates formally and informally to management at the refinery.\nDevelops and releases monthly Progress Reports.\nResolves technical/commercial/schedule issues and conflicts.\nControls project changes and directs communication with the refinery management regarding changes and change control.\nThis position is salaried exempt status, which means you are not eligible for overtime pay.\nBachelors of Science (B.S.) degree or higher degree in Chemical Engineering required.\n15 years of process engineering experience in a refining or petroleum industry, including field experience with startups and operating plant troubleshooting required.\nField experience in P&IDs review, Instrument Identification, Unit operations, and troubleshooting-data acquisition required.\nField experience in troubleshooting fractionating towers and separators and in optimization of operating distillation columns required.\nExperience with process design of fractionating internals and their hydraulic ratings required.\nAbility to quickly assess unit/tower/separator performance issues, arrive at actionable recommendations and provide clear communications to operations, refinery leadership and corporate leadership required.\nAble and willing to work on-site, in-person at the Valero San Antonio location, required.\nStrong written and presentation skills is highly preferred.\nExperience in primary crude fractionation operation, including desalting and vacuum systems preferred.\nExperience with leading unit startups, including revamps and new units preferred.\nAll successful candidates must be eligible to obtain a TWIC card (Transportation Worker Identification Credential). It is Valero’s policy that employees must wear this card at all times while working at the refinery. Please review eligibility criteria at https://www.tsa.gov/for-industry/twic.\nPosition level and salary will be commensurate with qualifications and experience.\nValero's employees are the heart of its success, and there is a reason why the company is an employer of choice in the fuels manufacturing and marketing industry. It’s not just the excellent benefits package, or the opportunities for personal growth, it’s also the caring and committed culture of the organization that makes everyone feel like they’re truly part of a team. For more information, visit Valero.com.\nValero is an EEO/AA Employer. All qualified applicants are encouraged to apply and will receive consideration for employment without regard to legally protected status, including race/ethnicity, color, religion, sex (including pregnancy, gender identity and sexual orientation), national origin, age, disability, protected veteran or any other status protected by applicable federal, state or local laws.\nPlease be advised, if you are viewing this position on a website that lists an estimated salary rate/range, it was not provided by Valero. Valero’s market specific salary rate/range will be provided during the recruiting process and tends to be higher than what is estimated by such websites.\n*LI-LP1\nBachelors of Science (B.S.) degree or higher degree in Chemical Engineering required.\n15 years of process engineering experience in a refining or petroleum industry, including field experience with startups and operating plant troubleshooting required.\nField experience in P&IDs review, Instrument Identification, Unit operations, and troubleshooting-data acquisition required.\nField experience in troubleshooting fractionating towers and separators and in optimization of operating distillation columns required.\nExperience with process design of fractionating internals and their hydraulic ratings required.\nAbility to quickly assess unit/tower/separator performance issues, arrive at actionable recommendations and provide clear communications to operations, refinery leadership and corporate leadership required.\nAble and willing to work on-site, in-person at the Valero San Antonio location, required.\nStrong written and presentation skills is highly preferred.\nExperience in primary crude fractionation operation, including desalting and vacuum systems preferred.\nExperience with leading unit startups, including revamps and new units preferred.\nAll successful candidates must be eligible to obtain a TWIC card (Transportation Worker Identification Credential). It is Valero’s policy that employees must wear this card at all times while working at the refinery. Please review eligibility criteria at https://www.tsa.gov/for-industry/twic.\nPosition level and salary will be commensurate with qualifications and experience.\nValero's employees are the heart of its success, and there is a reason why the company is an employer of choice in the fuels manufacturing and marketing industry. It’s not just the excellent benefits package, or the opportunities for personal growth, it’s also the caring and committed culture of the organization that makes everyone feel like they’re truly part of a team. For more information, visit Valero.com.\nValero is an EEO/AA Employer. All qualified applicants are encouraged to apply and will receive consideration for employment without regard to legally protected status, including race/ethnicity, color, religion, sex (including pregnancy, gender identity and sexual orientation), national origin, age, disability, protected veteran or any other status protected by applicable federal, state or local laws.\nPlease be advised, if you are viewing this position on a website that lists an estimated salary rate/range, it was not provided by Valero. Valero’s market specific salary rate/range will be provided during the recruiting process and tends to be higher than what is estimated by such websites.\n*LI-LP1","description_format":"text","description_chars":10223,"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","Professional Services"],"lifecycle":[{"event":"open","at":"2026-11-13T11:57:31Z"}],"visa":[],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":3,"expected_fill_days":27,"reasons":["conf:1","win:early"],"computed_at":"2026-11-13T14:17:55Z"},"pay":{"stated_usd_annual":50000,"is_top_pay":false},"html_url":"https://alion.io/job/valero-principal-process-engineer-fractionation","json_url":"https://alion.io/job/valero-principal-process-engineer-fractionation.json","meta":{"generated_at":"2026-11-13T14:17:55Z","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":28601,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-14T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.1,"usd":0.01,"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":1806372},"rest":"https://alion.io/mcp/rest/get_company?id=1806372"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fvalero-principal-process-engineer-fractionation"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"free","price":{"credits":0,"usd":0},"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%2Fvalero-principal-process-engineer-fractionation"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.1,"usd":0.01},"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%2Fvalero-principal-process-engineer-fractionation"},{"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/valero-principal-process-engineer-fractionation\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fvalero-principal-process-engineer-fractionation"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":4239520}},{"tool":"search_jobs","arguments":{"company":"valero.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":4239520},"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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