H-1B Visa Plant Engineer Jobs
Plant Engineer roles qualify for H-1B visa sponsorship as specialty occupations requiring at least a bachelor's degree in mechanical, chemical, or industrial engineering. Manufacturing, petrochemical, and utility employers file LCAs with the DOL before sponsoring, and many have established H-1B filing histories you can verify before applying.
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Get Access To All JobsINTRODUCTION
Airgas is Hiring for a Plant Engineer in Kent WA!
We are looking for you!
- Pay: $95,000-$110,000 + Bonus
- Work Schedule: Primarily Monday–Friday, 8:00 AM – 4:00 PM, with a requirement to be on-call as business needs dictate.
- Travel: 10% to 20% travel required to support regional facilities and attend technical training
- Comprehensive Family Benefits: Airgas offers a full benefits package designed to support your whole life, including Medical, Dental, Vision, Life, AD&D, and Disability Insurance.
- Support for Parents: We offer a 14-week paid child birth benefit to support growing families.
- Future Security: 401(k) Retirement Plan with company match, Tuition Assistance, Paid Holidays, Vacation, and Sick time.
- Early Access: Your benefits start after just 30 days of employment
ROLE AND RESPONSIBILITIES
The Plant Engineer provides hands-on technical expertise, mechanical engineering support, and operational oversight for the Kent Air Separation Unit (ASU) and regional nitrogen production plant. This role is responsible for maximizing plant reliability, optimizing energy efficiency, executing capital expenditure (CapEx) projects, and maintaining strict regulatory compliance. The ideal candidate will blend analytical deep-dives with physical troubleshooting to keep critical cryogenic processing systems operating safely and efficiently. This role requires a high degree of situational awareness, sound practical judgment, and the ability to prioritize multiple competing tasks in a fast-paced environment.
- Act as the primary onsite technical expert for all processing equipment, including multi-stage compressors, cryogenic pumps, expansion turbines, storage vessels, and the distillation (coldbox).
- Lead the plant's Root Cause Analysis (RCA) and failure investigations to eliminate critical asset downtime and establish long-term preventative fixes.
- Monitor and interpret plant performance data, key performance indicators (KPIs), and diagnostic readouts to identify efficiency degradation or mechanical strain before failures occur.
- Understand process control variables (purity, flow, thermal gradients) to maintain equilibrium inside the cryogenic coldbox.
- Ensure full plant compliance with OSHA, EPA, FDA, cGMP, and internal EHS guidelines, relating to pressure relief devices, hazardous fluid handling (liquid oxygen/nitrogen), gas detection systems, etc.
- Oversee and execute engineering plans for complex operational windows, such as plant maintenance outages, equipment overhauls, or plant restarts/thaws.
- Serve as a core technical contributor to PHA studies (including HAZOP reviews). Identify potential process safety hazards, evaluate risk mitigation safeguards, and track the timely resolution of action items.
- Design and execute minor-to-midsize capital projects targeting efficiency and modernizing plant infrastructure, including design, design approval, quotation process, and execution.
- Manage contractors, third-party consultants, and vendor technicians during installation, checkout, and final commissioning phases.
- Lead and manage the site's MOC process. Ensure all technical, equipment, and procedural modifications undergo rigorous engineering review, safety assessment, documentation updates, and pre-startup safety reviews (PSSR) prior to implementation.
- Interpret, review, and update plant documentation, including Piping and Instrumentation Diagrams (P&IDs), process logic sheets, interlock matrices, and equipment specifications.
- Proven ability to manage multiple concurrent tasks, shifting priorities effectively between long-term engineering projects and immediate daily plant operational needs.
BASIC QUALIFICATIONS
- B.S. in Engineering (Chemical or Mechanical) preferred.
- 3-5+ years of operational or project engineering experience required
- Ability to provide on-call technical assistance to plant personnel.
- Technical Knowledge: Proven familiarity with high-pressure fluid systems, rotating equipment, thermodynamics, and PLC-controlled automation frameworks.
- Physical Capabilities: Ability to move around an active industrial site, stand or walk for long periods, scale vertical structures, and lift up to 25 lbs.
PREFERRED QUALIFICATIONS
- Specific expertise operating or maintaining cryogenic air separation units (ASUs) and dealing with bulk liquid nitrogen/oxygen systems.
- Demonstrated experience using Maximo, SAP, or similar CMMS (Computerized Maintenance Management Systems) for predictive maintenance workflows.
- Proficiency reading logic maps (Allen-Bradley or Siemens platforms) and diagnosing control loop discrepancies.
BENEFITS
We care about and support our Airgas Families. This is evident not only through our competitive compensation but also through a comprehensive benefits package that includes medical, dental, and vision plans, short-term and long-term disability, life and accidental death and dismemberment (AD&D) insurance, Employee Assistance Program (EAP), pre-tax commuter transportation benefit, parental leave, vacation, sick time, floating holidays, jury duty and funeral/bereavement leave, and paid holidays for all eligible full-time employees.
Additionally, we offer our eligible employees a 401k plan with company matching funds, tuition reimbursement, discounted college tuition for eligible employees’ dependents, and an Airgas Scholarship Program for dependent children.
Associates who are members of collective bargaining units should review their bargaining agreement to determine whether they are eligible for some or all of the benefits described here and to see any special terms or conditions for eligibility.
LOCATION
Kent, WA - S. 222nd St. - ASU
Equal Employment Opportunity Information
We are an equal opportunity employer. We welcome all qualified applicants regardless of race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, or any other protected characteristic.
Airgas, an Air Liquide Company is a Government contractor subject to the Vietnam Era Veterans’ Readjustment Assistance Act of 1974 and Section 503 of the Rehabilitation Act of 1973.
Airgas does not discriminate against qualified applicants with disabilities, and is committed to providing reasonable accommodations to the known disabilities of such individuals so as to ensure equal access to benefits and privileges of employment. If you are an individual with a disability and would like to request a reasonable accommodation as part of the employment selection process, please contact us by email at us-accommodationrequest@airgas.com.
INTRODUCTION
Airgas is Hiring for a Plant Engineer in Kent WA!
We are looking for you!
- Pay: $95,000-$110,000 + Bonus
- Work Schedule: Primarily Monday–Friday, 8:00 AM – 4:00 PM, with a requirement to be on-call as business needs dictate.
- Travel: 10% to 20% travel required to support regional facilities and attend technical training
- Comprehensive Family Benefits: Airgas offers a full benefits package designed to support your whole life, including Medical, Dental, Vision, Life, AD&D, and Disability Insurance.
- Support for Parents: We offer a 14-week paid child birth benefit to support growing families.
- Future Security: 401(k) Retirement Plan with company match, Tuition Assistance, Paid Holidays, Vacation, and Sick time.
- Early Access: Your benefits start after just 30 days of employment
ROLE AND RESPONSIBILITIES
The Plant Engineer provides hands-on technical expertise, mechanical engineering support, and operational oversight for the Kent Air Separation Unit (ASU) and regional nitrogen production plant. This role is responsible for maximizing plant reliability, optimizing energy efficiency, executing capital expenditure (CapEx) projects, and maintaining strict regulatory compliance. The ideal candidate will blend analytical deep-dives with physical troubleshooting to keep critical cryogenic processing systems operating safely and efficiently. This role requires a high degree of situational awareness, sound practical judgment, and the ability to prioritize multiple competing tasks in a fast-paced environment.
- Act as the primary onsite technical expert for all processing equipment, including multi-stage compressors, cryogenic pumps, expansion turbines, storage vessels, and the distillation (coldbox).
- Lead the plant's Root Cause Analysis (RCA) and failure investigations to eliminate critical asset downtime and establish long-term preventative fixes.
- Monitor and interpret plant performance data, key performance indicators (KPIs), and diagnostic readouts to identify efficiency degradation or mechanical strain before failures occur.
- Understand process control variables (purity, flow, thermal gradients) to maintain equilibrium inside the cryogenic coldbox.
- Ensure full plant compliance with OSHA, EPA, FDA, cGMP, and internal EHS guidelines, relating to pressure relief devices, hazardous fluid handling (liquid oxygen/nitrogen), gas detection systems, etc.
- Oversee and execute engineering plans for complex operational windows, such as plant maintenance outages, equipment overhauls, or plant restarts/thaws.
- Serve as a core technical contributor to PHA studies (including HAZOP reviews). Identify potential process safety hazards, evaluate risk mitigation safeguards, and track the timely resolution of action items.
- Design and execute minor-to-midsize capital projects targeting efficiency and modernizing plant infrastructure, including design, design approval, quotation process, and execution.
- Manage contractors, third-party consultants, and vendor technicians during installation, checkout, and final commissioning phases.
- Lead and manage the site's MOC process. Ensure all technical, equipment, and procedural modifications undergo rigorous engineering review, safety assessment, documentation updates, and pre-startup safety reviews (PSSR) prior to implementation.
- Interpret, review, and update plant documentation, including Piping and Instrumentation Diagrams (P&IDs), process logic sheets, interlock matrices, and equipment specifications.
- Proven ability to manage multiple concurrent tasks, shifting priorities effectively between long-term engineering projects and immediate daily plant operational needs.
BASIC QUALIFICATIONS
- B.S. in Engineering (Chemical or Mechanical) preferred.
- 3-5+ years of operational or project engineering experience required
- Ability to provide on-call technical assistance to plant personnel.
- Technical Knowledge: Proven familiarity with high-pressure fluid systems, rotating equipment, thermodynamics, and PLC-controlled automation frameworks.
- Physical Capabilities: Ability to move around an active industrial site, stand or walk for long periods, scale vertical structures, and lift up to 25 lbs.
PREFERRED QUALIFICATIONS
- Specific expertise operating or maintaining cryogenic air separation units (ASUs) and dealing with bulk liquid nitrogen/oxygen systems.
- Demonstrated experience using Maximo, SAP, or similar CMMS (Computerized Maintenance Management Systems) for predictive maintenance workflows.
- Proficiency reading logic maps (Allen-Bradley or Siemens platforms) and diagnosing control loop discrepancies.
BENEFITS
We care about and support our Airgas Families. This is evident not only through our competitive compensation but also through a comprehensive benefits package that includes medical, dental, and vision plans, short-term and long-term disability, life and accidental death and dismemberment (AD&D) insurance, Employee Assistance Program (EAP), pre-tax commuter transportation benefit, parental leave, vacation, sick time, floating holidays, jury duty and funeral/bereavement leave, and paid holidays for all eligible full-time employees.
Additionally, we offer our eligible employees a 401k plan with company matching funds, tuition reimbursement, discounted college tuition for eligible employees’ dependents, and an Airgas Scholarship Program for dependent children.
Associates who are members of collective bargaining units should review their bargaining agreement to determine whether they are eligible for some or all of the benefits described here and to see any special terms or conditions for eligibility.
LOCATION
Kent, WA - S. 222nd St. - ASU
Equal Employment Opportunity Information
We are an equal opportunity employer. We welcome all qualified applicants regardless of race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, or any other protected characteristic.
Airgas, an Air Liquide Company is a Government contractor subject to the Vietnam Era Veterans’ Readjustment Assistance Act of 1974 and Section 503 of the Rehabilitation Act of 1973.
Airgas does not discriminate against qualified applicants with disabilities, and is committed to providing reasonable accommodations to the known disabilities of such individuals so as to ensure equal access to benefits and privileges of employment. If you are an individual with a disability and would like to request a reasonable accommodation as part of the employment selection process, please contact us by email at us-accommodationrequest@airgas.com.
See all 607+ H-1B Visa Plant Engineer Jobs
Sign up for free to unlock all listings, filter by visa type, and get alerts for new H-1B Visa Plant Engineer Jobs.
Get Access To All JobsTips for Finding H-1B Visa Sponsorship as a Plant Engineer
Align your credentials to specialty occupation standards
USCIS requires your degree field to directly relate to plant engineering duties. A mechanical or chemical engineering degree maps cleanly, but an unrelated degree with coursework gaps can trigger an RFE before your petition is even adjudicated.
Search LCA filings for plant engineering roles
Use the OFLC Wage Search to filter Labor Condition Applications by SOC code 17-2112 (Industrial Engineers) or 17-2141 (Mechanical Engineers). Employers with recent certified LCAs have already cleared the DOL filing step and are actively sponsoring.
Target process-intensive industries with filing history
Petrochemical plants, semiconductor fabs, and large food-manufacturing facilities sponsor H-1B plant engineers more consistently than smaller job shops. Their capital-intensive operations justify long-term headcount planning, which translates to repeat H-1B filings year over year.
Find verified H-1B sponsors on Migrate Mate
Filter plant engineering roles by employers with confirmed H-1B filing history on Migrate Mate. You'll see which companies have sponsored this occupation before, so you're not guessing about sponsorship willingness mid-interview process.
Clarify the LCA wage level before negotiating
Your employer must certify your salary at or above the prevailing wage for your location and experience level. Check the OFLC Wage Search for Level I through Level IV wages under SOC 17-2112 or 17-2141 in your metro area before any offer conversation.
Confirm premium processing availability before your start date
Plant engineer roles often come with fixed onboarding schedules tied to outage cycles or capital project timelines. If your start date is firm, ask whether the employer will file premium processing with I-129, which USCIS adjudicates within 15 business days.
H-1B Visa Plant Engineer: Frequently Asked Questions
Does a plant engineer role qualify as a specialty occupation for H-1B purposes?
Yes. Plant engineer positions typically qualify because they require a bachelor's degree or higher in a directly related field such as mechanical, chemical, industrial, or process engineering. USCIS evaluates the job duties and the employer's own job postings to confirm the degree requirement is genuine and field-specific, not just a preference listed to meet visa criteria.
Which employers sponsor H-1B visas for plant engineer positions?
Large manufacturers, petrochemical companies, utility operators, semiconductor fabrication facilities, and food and beverage producers are among the most consistent H-1B sponsors for plant engineering roles. You can confirm which employers have certified LCAs in this occupation by searching the OFLC Wage Search, or browse verified sponsoring employers directly on Migrate Mate.
How does the prevailing wage requirement affect plant engineer H-1B petitions?
Your employer's LCA must certify a salary at or above the DOL prevailing wage for your specific location, experience level, and SOC code. Plant engineer wages vary significantly between rural manufacturing sites and urban industrial hubs, so the prevailing wage for the same title can differ by tens of thousands of dollars depending on the plant's zip code.
Can a plant engineer on OPT transition to H-1B with the same employer?
Yes, and this is one of the cleaner H-1B transition paths. If your employer filed your H-1B petition before your OPT expired and it was selected in the lottery, the cap-gap rule extends your work authorization through September 30 of the fiscal year your H-1B takes effect. Confirm your I-20 reflects the cap-gap extension through your DSO before your OPT end date passes.
What does the O*NET profile for plant engineers tell you about H-1B eligibility?
O*NET classifies industrial and mechanical engineers in Job Zone 4 and 5, requiring a four-year degree as the standard entry-level education. USCIS adjudicators reference this classification when evaluating specialty occupation petitions. If your specific plant engineer job duties align with those listed under the relevant O*NET code, it strengthens the employer's case in the I-129 petition.