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Api 579 Engineer Jobs (NOW HIRING)

Leading Integrity Engineers and Technical Specialists, the role provides oversight of integrity ... Extensive knowledge and experience with API 510 and API 579-1/ASME FFS-1 inspection codes ...

Leading Integrity Engineers and Technical Specialists, the role provides oversight of integrity ... Extensive knowledge and experience with API 510 and API 579-1/ASME FFS-1 inspection codes ...

Leading Integrity Engineers and Technical Specialists, the role provides oversight of integrity ... Extensive knowledge and experience with API 510 and API 579-1/ASME FFS-1 inspection codes ...

... 579 fitness-for-service assessments of fixed equipment and lead metallurgical failure analyses ... API 510, 570, 653, Certified Weld Inspector (CWI), National Association of Corrosion Engineers or ...

Perform advanced engineering evaluations employing stress analysis, solid and fluid mechanics ... API-579, ASME B31, NFPA-13, SMACNA, ASME AG-1, IBC, and AISC. Candidate must have the ability to ...

... engineering practice (RAGAGEP). * Ensure that all repairs to fixed PSM Critical Equipment is ... Comprehensive working knowledge of API 510, 570, 653, 579, 580, ASME B31.1, B31.3, Section V, VIII ...

... engineering practice (RAGAGEP). * Ensure that all repairs to fixed PSM Critical Equipment is ... Comprehensive working knowledge of API 510, 570, 653, 579, 580, ASME B31.1, B31.3, Section V, VIII ...

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How much do api 579 engineer jobs pay per hour?

As of Jun 18, 2026, the average hourly pay for api 579 engineer in the United States is $53.63, according to ZipRecruiter salary data. Most workers in this role earn between $43.27 and $62.26 per hour, depending on experience, location, and employer.

What are API 579 Engineers?

API 579 Engineers are professionals who specialize in the application of the API 579-1/ASME FFS-1 standard, which provides guidelines for Fitness-For-Service (FFS) assessments in the oil, gas, and petrochemical industries. These engineers evaluate the structural integrity of equipment, such as pressure vessels and piping, that may be affected by flaws, damage, or aging. Their expertise ensures equipment can safely continue operating or determines if repairs or replacements are needed. API 579 Engineers play a critical role in maintaining plant safety, reliability, and regulatory compliance.

What are the key skills and qualifications needed to thrive as an API 579 Engineer, and why are they important?

To thrive as an API 579 Engineer, you need a strong background in mechanical or materials engineering, knowledge of pressure vessel codes, and practical experience with fitness-for-service (FFS) assessments, often supported by an engineering degree and relevant industry certifications. Proficiency with FFS assessment software, familiarity with inspection data analysis tools, and a solid understanding of the API 579 standard are crucial. Strong analytical thinking, attention to detail, and effective communication skills help in interpreting complex data and conveying findings to stakeholders. These skills are vital to ensure the integrity, safety, and reliability of critical equipment in industries like oil, gas, and petrochemicals.

What is the difference between Api 579 Engineer vs API 510 Pressure Vessel Inspector?

AspectApi 579 EngineerAPI 510 Pressure Vessel Inspector
CertificationsAPI 579, NDE, engineering licensesAPI 510, NDE, API 653 (if applicable)
Work EnvironmentDesign review, risk assessment, integrity evaluationInspection, testing, and certification of pressure vessels
Industry UsageEngineering firms, plant design, integrity managementRefineries, chemical plants, maintenance

Api 579 Engineers focus on assessing and managing pressure vessel integrity through engineering analysis, while API 510 Inspectors perform on-site inspections and certifications. Both roles require API 510 certification, but their daily tasks and responsibilities differ significantly, with engineers emphasizing analysis and design, and inspectors focusing on compliance and safety checks.

What are the typical challenges faced by an API 579 Engineer during a Fitness-for-Service (FFS) assessment?

API 579 Engineers often encounter challenges such as interpreting complex damage mechanisms, integrating diverse data sources (e.g., inspection reports, material properties), and ensuring compliance with strict industry standards. Working closely with inspection teams and plant personnel is crucial to gather accurate information and validate findings. Balancing thorough technical analysis with practical recommendations for continued operation or repair requires strong communication and problem-solving skills. Additionally, staying current with evolving codes and best practices is vital for delivering reliable FFS evaluations.
Infographic showing various Api 579 Engineer job openings in the United States as of June 2026, with employment types broken down into 100% Full Time. Highlights an 87% Physical, 5% Hybrid, and 8% Remote job distribution, with an average salary of $111,552 per year, or $53.6 per hour.

Mechanical Integrity Engineer | 15+ Years

Wje

Houston, TX

Full-time

Medical, Retirement

Posted 15 days ago


Job description

Bring your problem-solving mindset, entrepreneurial spirit, andestablishedexpertisetoWJE's Metallurgy & Applied Mechanics practice.

Wiss, Janney, Elstner Associates, Inc. (WJE) is seeking anexperiencedMechanical Integrity Engineerwith15+ years of experience*for an opportunity to be an integral part of our growing FitnessForService (FFS) practicebased in Houston, Texas.

With an in-depth knowledge of process equipment damage mechanisms, fixed-equipment mechanical integrity (FEMI), and safety-critical FFS evaluations, you will support our established clients, while also pursuing clients and projects from your existing professional network.

As an employee-owner atWJE,you will have the day-to-day autonomy and flexibility to direct this next chapter of your career, combined with the resources and support of working for a well-established organization: stability and benefits, administrative project support, a collaborative environment, thecompany'scollective interdisciplinary knowledge, andstate-of-the-art laboratory and testing capabilities.

Responsibilities:

  • Technical project execution for the day-to-day success of multiple concurrent projects, including:

    • Acting as the primary point of contact for clients, contractors, and project teams

    • Leveraging a principles-first approach to develop practical solutions for challenging engineering problems in combination with a deep understanding of codes, standards, and historical industry practices

    • Self-performing and advising others in complex, nonlinear analysis, hands-on fieldwork, and preparation of technically excellent client deliverables

    • Providing high-quality technical reviews of work completed by others

    • Sealing project documents as the Engineer of Record, as appropriate

  • Project management,including client development;project initiation,scoping, andassemblingappropriate projectteams;andmanaging internal and external client expectations,deliverables, and financials

  • Contributions to practice development and company-wideobjectives,including providing technical consultation to interdisciplinary project teams;fostering new and existing client relationships;collaborating with other WJE practice leaders for in-house knowledge-sharing and training initiatives; and engaging in meaningful involvement in industry-related professional organizations, conferences, and technical committees

  • Mentorship, including exemplifying WJE's culture of shared destiny and knowledge sharing to better the team around you: locally and company-wide,formallyand informally, on-and-off projects, for technical topics and overall career development

Qualifications:

  • Licensed Professional Engineer (PE)or ability to obtain

  • Bachelor's degree or higherin aerospace, civil/structural, mechanical engineering, or related field;master's degree or PhDa plus

  • Minimum fifteen years* of relevant industry experience within petrochemical, refining, power generation, upstream, midstream, mining, or other heavy industrial markets with demonstrated expertise in:

    • Level 3 assessment in accordance with API 579 / ASME FFS-1 Fitness-For-Service Standard

    • Fracture mechanics, fatigue, and failure mechanisms

    • Nonlinear finite element analysis for steel, concrete, and other construction materials; ABAQUS (Abaqus FEA) preferred

    • Design, repairs/alterations, and reliability of fixed equipment, pressure vessels, and piping

    • Dedicated self-starter,motivated to contribute to the growth of an expanding consulting practice based on a "principles first" problem-solving approach

    • Excellent technical, graphical, written, and verbal communication skills

    * The minimum years of experience may be flexible for candidates who can clearlydemonstratethat they are already performing at or above the level of responsibility expected for this position.

    Physical Requirements:

    The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job, with or withouta reasonableaccommodation. This position requires visual acuity and listening ability. Individuals must have the dexterity to be able tooperatecomputers, printers, copiers, telephones, voicemail, and other office and field equipment. Requirements may also include:

    • Ability to travel and attend meetings at variousoffice,field, andplantsites

    • Ability to perform inspections ofprocess equipmentand other structures, both visually and with instruments

    • Ability to safely work at heights, in confined spaces, and in a variety of occupationally hazardous locations, including outdoors with exposure to temperature extremes

    • Ability to safely use and/oroperateladders, scaffolds, lifts, and other access equipment

    • Ability to lift and carry materials, tools, and other heavy equipment up to 50 lbs.

    • Medically fit toutilizerespiratory protection devices and other forms of Personal Protective Equipment

    • Ability to drive and safelyoperatea motor vehicle

    • Ability to obtain a Transportation Worker Identification Credential (TWIC) and authorization to work and travel throughout the United States without restrictions

    Culture, Compensation, and Benefits:

    Wiss, Janney, Elstner Associates, Inc. (WJE) is a global firm of engineers, architects, and materials scientists. Clients worldwide seek our expertise to solve the most significant, interesting, and challenging problems in the built world. Our applied experience from more than 175,000 projects combined with unparalleled laboratory and testing capabilities have made WJE a leader in providing innovative yet practical solutions to the clients we serve.

    Working at WJE is a team endeavor characterized by a culture of trust and personal responsibility. We encourage open communication, continuous learning, innovative thinking, ongoing mentoring, and free-flowing collaboration. We seek highly talented and hard-working individuals who want to be challenged, who want hands-on work, who want to set a higher standard, and who want to be mentored by the industry's most accomplished experts. People with outstanding Character, unwaveringCommitment to our core and culture, strongExpertise, and genuineEnthusiasm for their work.

    Learn more about the Extraordinary People we hire at WJE at www.wje.com/careers

    WJE offers a robust, total compensation structure composed of base salary, incentive pay, and industry-leading benefits:

    • Base salary is determined through consideration of a candidate's qualifications, skills, competencies, and proficiency for the role while remaining mindful of our commitment to internal equity.

    • Employees receive variable compensation based on personal and company performance, typically resulting in above-market total compensation.

    A good faith estimate of the annual starting base salary (gross) is in the following range:

    $115,650.00 - $192,750.00

    WJE's industry-leading, total rewards package enables our employees to grow and thrive with comprehensive health and financial benefits, including:

    • Robust and affordable health plans for employees and their families, including HSA as well as low and high-deductible PPO options

    • Generous 401(k) matching of 110% for the first 6% of eligible pay, vesting immediately

    • Time off to care for yourself and others

    • Investments in employees' educational assistance and professional development

    Learn more about WJE's total rewards package here.

    WJE is an Equal Opportunity Employer as to all protected groups, including protected veterans and individuals with disabilities.

    WJE will consider qualified applicants with criminal histories in a manner consistent with the requirements of Fair Chance Ordinances.