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Mechanical Completion Engineer Jobs (NOW HIRING)

ON.energy

Product Quality Engineer

Alpharetta, GA · On-site

$70K - $90K/yr

Energy, contractual, and industry standards before mechanical completion and commissioning. Key ... or Quality Engineering (or related technical field) • 5+ years of experience in quality ...

Intellectt INC

CQV Engineer

Holly Springs, NC · On-site

Support startup, troubleshooting, FAT/SAT, walkdowns, and mechanical completion. * Review P&IDs, vendor documents, and system assessments. * Collaborate with engineering, automation, quality, and ...

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Mechanical Completion Engineer information

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$45.5K

$102.9K

$166.5K

How much do mechanical completion engineer jobs pay per year?

As of Jun 30, 2026, the average yearly pay for mechanical completion engineer in the United States is $102,878.00, according to ZipRecruiter salary data. Most workers in this role earn between $81,500.00 and $126,500.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Mechanical Completion Engineer, and why are they important?

To thrive as a Mechanical Completion Engineer, you need a solid background in mechanical engineering, experience with commissioning processes, and a relevant engineering degree or certification. Familiarity with project management software, completion management systems (CMS), and industry standards such as ASME or API is typically required. Strong attention to detail, problem-solving skills, and effective communication are vital soft skills for coordinating multidisciplinary teams and ensuring quality standards. These skills are crucial for delivering projects on time, verifying system integrity, and ensuring safety and compliance during the handover phase.

What are the main challenges Mechanical Completion Engineers face when coordinating with multiple stakeholders on large projects?

Mechanical Completion Engineers often work on complex projects involving multiple contractors, suppliers, and internal teams. One common challenge is ensuring that all parties are aligned with project timelines and quality standards, as delays or miscommunication can impact the overall completion schedule. Effective communication, strong organizational skills, and proactive issue resolution are essential for managing documentation, punch lists, and handover processes. Collaborating closely with commissioning teams and construction managers also helps to identify and resolve issues early, ensuring a smooth transition to the next project phase.

What does a Mechanical Completion Engineer do?

A Mechanical Completion Engineer is responsible for ensuring that all mechanical systems and components of a project are installed, tested, and completed according to specified standards before commissioning begins. They oversee inspections, coordinate with different teams, and verify that construction meets design and safety requirements. Their role is crucial in identifying and resolving any technical issues that could impact project delivery or operation. Mechanical Completion Engineers also document compliance and facilitate the handover process to operations or commissioning teams.

What is the difference between Mechanical Completion Engineer vs Mechanical Supervisor?

AspectMechanical Completion EngineerMechanical Supervisor
Primary RoleEnsures mechanical systems are completed, tested, and ready for commissioningOversees daily mechanical work, manages teams, and ensures safety and quality during construction
CertificationsMechanical engineering degree, relevant certificationsMechanical trade certifications, supervisory training
Work EnvironmentProject sites, commissioning phasesConstruction sites, workshop environments
ResponsibilitiesVerification of completion, punch list clearance, documentationSupervising mechanical crews, safety compliance, work planning

The Mechanical Completion Engineer focuses on verifying that mechanical systems are completed and ready for startup, while the Mechanical Supervisor manages daily construction activities and team supervision. Both roles require mechanical certifications and work closely within the same industry environment, but their responsibilities differ in scope and focus.

More about Mechanical Completion Engineer jobs
What cities are hiring for Mechanical Completion Engineer jobs? Cities with the most Mechanical Completion Engineer job openings:
What job categories do people searching Mechanical Completion Engineer jobs look for? The top searched job categories for Mechanical Completion Engineer jobs are:
Mechanical Completion Engineer jobs near you
Mechanical Engineer - Capital Projects

Mechanical Engineer - Capital Projects

Lubrizol Corporation

Painesville, OH • On-site

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 27 days ago

Key responsibilities

  • Lead and direct mechanical and piping design activities, developing statements of work and ensuring integration across equipment and systems.

  • Apply process safety and risk management practices, including Management of Change, hazard review, and pre-startup safety checks throughout design and execution.

  • Define, witness, and approve critical quality assurance activities and performance verifications in factory and field settings.

Lubrizol rating

8.7

Company rating: 8.7 out of 10

Based on 54 frontline employees who took The Breakroom Quiz

14th of 91 rated chemical manufacturers

Job description

Shape the Future with Us.
At Lubrizol, we're bringing to life the chemistry behind clean water, efficient transportation, reliable infrastructure, critical medicines, and the products people rely on every day through science, sustainability, and a culture of inclusion.
As part of our global team, you'll be empowered to make a real impact - on your career, your community, and the world around you.
Location: Painesville, OH
Job Type: Full-time; On-site 5 days per week or 9/80 schedule.
How You'll Make an Impact
As a Mechanical Engineer - Capital Projects, you will play a key role in supporting capital projects and plant improvements within a complex industrial manufacturing environment. Acting as the mechanical and piping discipline engineer, you will serve as a trusted technical authority for mechanical systems; owning design, review, and performance verification from concept through commissioning. You'll collaborate closely with cross-functional teams to develop and implement safe, reliable, and fit-for-purpose solutions that support operational excellence across the asset lifecycle. By applying industry codes and engineering best practices, you will ensure designs are efficient, constructible, maintainable, and aligned with safety and asset integrity requirements.
In this role, you will:
  • Lead and direct mechanical and piping design activities, developing comprehensive statements of work and ensuring integration across static equipment, rotating equipment, piping, structural systems, and original equipment manufacturer packaged systems.
  • Apply process safety and risk management practices, including Management of Change, hazard review, and pre-startup safety checks throughout design and execution.
  • Define, witness, and approve critical quality assurance activities and performance verifications in both factory and field settings.
  • Own mechanical completion checklists and verify installed assets meet design intent and are safe to start up.
  • Serve as the accountable owner for site mechanical technical documentation including piping and instrumentation diagrams, equipment datasheets, and relief device documentation.
  • Interpret and apply company and industry codes and standards to resolve technical conflicts and embed constructability, operability, maintainability, and lifecycle cost considerations into designs.
  • Influence project outcomes through sound technical judgment, risk-based decision making, and continuous improvement of mechanical standards.

Required Qualifications that Enable Your Success
  • Bachelor of Science in Mechanical Engineering or a related field.
  • 4+ years' experience in mechanical engineering, design, or project support within manufacturing or related environments.
  • Experience supporting equipment design, installation, or system improvements (e.g. rotating equipment, piping, or industrial systems).
  • Experience with industrial codes and standards (e.g., ASME B31.3, ASME Section VIII, API or comparable standards).
  • Experience reviewing engineering deliverables and supporting projects through installation and startup.
  • Working knowledge of Process Safety Management and Mechanical Integrity requirements including Management of Change and Pre-Startup Safety Reviews.
  • Strong collaboration skills and ability to work across teams and with external partners.
  • Proficiency with two-dimensional and three-dimensional computer-aided design tools such as AutoCAD, Inventor, or Plant 3D.
  • Strong field presence with the ability to translate design intent into safe, constructible, and maintainable installations.

Preferred Qualifications that Drive You Forward
  • Professional Engineer (PE) license or progress toward licensure.
  • Reliability or Mechanical Integrity exposure including inspection standards, fitness-for-service, risk-based inspection, or condition monitoring.
  • Capital project lifecycle experience from front-end loading through start-up and stage-gate processes.

Your Work Environment
At Lubrizol, we're committed to providing a safe, inclusive, and empowering environment where you can do your best whether in a lab, on the production floor, or in a hybrid office setting. Depending on your role, your work environment may include:
  • Standing, walking, or operating equipment for extended periods
  • Working in a lab or manufacturing setting with appropriate PPE provided
  • Use of computers and digital tools in an office or hybrid environment
  • Occasional lifting or movement of materials
  • Adherence to rigorous safety protocols and ergonomic standards

We continuously invest in our facilities and technologies to ensure they support your well-being, productivity, and growth. If you require reasonable accommodation, we are committed to working with you to ensure an inclusive and accessible experience.
Benefits that Empower You
  • Competitive salary with performance-based bonus plans
  • 401(k) match + Age-Weighted Defined Contribution
  • Comprehensive medical, dental & vision coverage
  • Health Savings Account (HSA)
  • Paid holidays, vacation, and parental leave
  • Flexible work environment
  • Learning and development opportunities
  • Career and professional growth
  • Inclusive culture and vibrant community engagement

Learn more at https://benefits.lubrizol.com/
Lubrizol: Imagined for Life. Enabled by Science. ™ Delivered by You.
For nearly 100 years, The Lubrizol Corporation, a Berkshire Hathaway company, has been at the forefront of innovation to enhance everyday life, advance mobility, and make the modern world work better. Our specialty chemistry solutions-from engine oils, performance coatings, and skincare to medical devices and plumbing systems -are powered by the expertise, passion, and commitment of people like you.
We tackle the world's toughest challenges with science-based solutions, deeply understanding our customers to deliver innovative chemistry and differentiated value. Our inclusive culture, dedication to safety, and incredible global talent drive our success. Our solutions meet the evolving needs of the modern world-brought to life by science and, most importantly, delivered by you.
Whether you're in the lab, on the production floor, or in the office, you'll be part of a team around the world that empowers you to think boldly, drive results, and contribute to solutions that shape a better, more sustainable future.
We win because of you. Let's build the future together.
#LI-CS1

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About Lubrizol

Sourced by ZipRecruiter

The Lubrizol Corporation, a Berkshire Hathaway company, is committed to enabling a sustainable future. Our unmatched science unlocks immense possibilities at the molecular level, driving sustainable and measurable results to help the world Move Cleaner, Create Smarter and Live Better. Our solutions are used by people every day, improving billions of lives around the world.

Industry

Chemical manufacturing

Company size

10,000+ Employees

Headquarters location

Wickliffe, OH, US

Year founded

1928

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