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Third Party Inspector Jobs in Missouri (NOW HIRING)

Construction Inspector

Kansas City, MO · On-site

$30K - $55K/yr

Most of your time will be spent performing residential third party and commercial inspections throughout the greater Kansas City metropolitan area. Once you have your ACI Concrete Certification, you ...

Be Seen First

Coordinate and schedule pre-shipment or in-process inspections at manufacturing facilities through approved third-party inspection service providers. * Ensure inspection requests are submitted ...

Coordinate and schedule pre-shipment or in-process inspections at manufacturing facilities through approved third-party inspection service providers. Ensure inspection requests are submitted ...

... third-party inspection service providers. • Ensure inspection requests are submitted according to production timelines. • Maintain accurate inspection records and quality documentation. • Track ...

Welding Inspector

Chesterfield, MO · On-site

$30 - $45/hr

As a Welding Inspector, you will conduct visual inspections of welds to ensure compliance with ... any third-party agency or company that does not have a signed agreement with ENTRUST Solutions ...

GFT is seeking a Construction Inspector to join our Construction Services Team in St. Louis, MO ... Unsolicited resumes from third party agencies will be considered the property GFT. GFT does require ...

Construction Inspector

Saint Louis, MO · On-site

$20 - $29/hr

GFT is seeking a Construction Inspector to join our Construction Services Team in St. Louis, MO ... Unsolicited resumes from third party agencies will be considered the property GFT. GFT does require ...

Construction Inspector

Saint Louis, MO · On-site

$20 - $29/hr

GFT is seeking a Construction Inspector to join our Construction Services Team in St. Louis, MO ... Unsolicited resumes from third party agencies will be considered the property GFT. GFT does require ...

Coordinates inspection, tours, and visits by customer and third party personnel as required. * Maintains appropriate communication with immediate management, customers, and third parties.

Coordinates inspection, tours, and visits by customer and third party personnel as required. * Maintains appropriate communication with immediate management, customers, and third parties.

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Third Party Inspector information

See Missouri salary details

$23K

$51.5K

$92.9K

How much do third party inspector jobs pay per year?

As of Aug 27, 2026, the average yearly pay for third party inspector in Missouri is $51,533.00, according to ZipRecruiter salary data. Most workers in this role earn between $36,100.00 and $59,600.00 per year, depending on experience, location, and employer.

What is a third party inspector?

A Third Party Inspector is an independent professional responsible for evaluating products, equipment, or processes to ensure they meet regulatory, contractual, and quality standards. They work across various industries such as construction, manufacturing, and engineering, conducting inspections, audits, and tests. Their role helps ensure compliance with safety, quality, and performance requirements. Third Party Inspectors provide unbiased reports to clients, manufacturers, or regulatory bodies. This independent verification helps prevent defects, ensure safety, and maintain quality assurance.

What skills and qualifications are needed to thrive as a third party inspector?

To thrive as a Third Party Inspector, you need a solid background in quality control, technical inspection methods, and relevant industry standards, usually backed by a degree or certification in engineering or a related field. Familiarity with inspection tools, auditing software, and adherence to ISO or API certifications is often required. Strong attention to detail, integrity, and effective reporting and communication skills help distinguish top performers. These abilities are crucial for ensuring compliance, maintaining trust between parties, and delivering objective, accurate inspection results.

What are common challenges faced by third party inspectors on the job?

Third Party Inspectors often face challenges such as managing tight schedules, adapting to varying site conditions, and ensuring impartiality when assessing compliance with standards. They must interpret complex technical documentation while handling expectations from both clients and manufacturers. Additionally, inspectors sometimes need to address conflict or disagreements diplomatically if issues are identified. Being adaptable, detail-oriented, and clear in communication helps navigate these challenges and ensure successful inspections.

How much does a third party inspector make?

The average salary for a third party inspector typically ranges from $40,000 to $70,000 per year, depending on experience, industry, and location. Inspectors with specialized certifications or in high-demand sectors may earn higher wages, and some work on a contract basis with hourly rates that can vary widely.
Infographic showing various Third Party Inspector job openings in Missouri as of August 2026, with employment types broken down into 1% Internship, 1% As Needed, 78% Full Time, 14% Part Time, 5% Contract, and 1% Nights. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution, with an average salary of $51,533 per year, or $24.8 per hour.

Mechanical Integrity Inspector

Saint Louis, MO

$24.50 - $32.50/hr

Full-time

Re-posted 22 days ago


Job description

Why Us?

At Par Health, we believe great healthcare is built on getting the essentials right. We're looking for passionate, talented individuals who share our commitment to improving lives. With a global workforce, we lead with pride and purpose-prioritizing quality and safety while fostering a culture of continuous improvement, accountability, and teamwork. Elevating the Essentials isn't just our tagline, it's the higher standard we live by every day.

Job Description Summary

The Mechanical Integrity Inspector will be based at the St. Louis Site and is responsible for executing inspection and testing activities that support an established Mechanical Integrity (MI) program. This role ensures ongoing compliance with regulatory requirements (e.g., OSHA PSM, EPA RMP) and recognized and generally accepted good engineering practices (RAGAGEP), while proactively identifying opportunities to improve equipment reliability, inspection effectiveness, and program efficiency. The inspector serves as a key contributor to continuous improvement through data-driven decision-making, lessons learned, and collaboration with maintenance, engineering, and operations.

Job Description

ESSENTIAL FUNCTIONS:

Mechanical Integrity Program

  • Develop and execute inspections and tests for covered equipment (e.g., pressure vessels, piping, tanks, PRDs, heat exchangers, rotating equipment, storage vessels, structural components) in accordance with the existing MI program, regulations, manufacturers recommendations and existing RAGAGEP.
  • Provide oversight of the MI program. Create PM's and SOP's for the MI program. Ensure inspections are performed within established intervals and documented accurately and completely.
  • Verify inspection and testing activities align with applicable codes, standards, internal procedures, and RAGAGEP.
  • Support management of change (MOC) activities by reviewing inspection requirements related to equipment modifications or replacements.
  • Identify trends, recurring deficiencies, or degradation mechanisms and recommend improvements to inspection scope, frequency, or methods.
  • Oversee MI program reviews and procedure implementation and updates, audits, and self-assessments, support corrective action development and closure.
  • Contribute to lessons learned from failures, near misses, and abnormal findings to strengthen the MI program.
  • Collaborate with project managers, contracted equipment inspectors, and other contracted personnel onsite. valuate inspection effectiveness, risk ranking, and prioritization strategies.
  • Analyzes and recommends budget spending required for outside services for inspections.
  • Perform other tasks as directed by senior management.

Welding Subject Matter Expert

  • Oversee welding processes performed by contractors.
  • Function as a company owner for qualified welder program.
  • Perform visual inspection for welds performed by internal employees.
  • Serves as the sites Certified Welding Inspector.

Inspection and Reporting

  • Perform field inspections, surveillances, and walkthroughs to confirm equipment condition and compliance with design and operating requirements.
  • Review and evaluate inspection reports from internal and third-party inspectors.
  • Clearly document inspection results, deficiencies, and recommendations in the computerized maintenance management system (CMMS) or asset integrity management system.
  • Communicate inspection findings to maintenance, engineering, and operations to ensure timely remediation.
  • Coordinate with maintenance and operations to safely execute inspections without disrupting production.
  • Support planning and scheduling of inspection work during outages and routine operations.
  • Interface with third-party inspection firms, ensuring scope alignment and quality of deliverables.
  • Assist engineering with fitness-for-service evaluations, repair recommendations, and material selection.
  • Comply with existing procedures for program adherence and make recommendations for updates and improvements where gaps exist.
  • Collaborate with other Mallinckrodt process safety program owners/engineers to ensure seamless program integration through covered process boundaries and scoping, instrumented safety systems, and other process safety management areas.
  • Provide equipment data and help develop integrity operating windows (IOWs) and safe operating limits for equipment.

Compliance and Audit

  • Provide oversight and support external audits related to MI and process safety.
  • Function as an owner's representative in quality assurance reviews for deliverables received from contracted inspection personnel.
  • Serves as the sites representative and single point of contact with the St. Louis City, for jurisdictional equipment inspections.
  • Assist with regulatory inspections by providing technical documents and inspection records.
  • Ensure deficiencies are tracked, mitigated, and closed in a timely manner.

REQUIREMENTS:

Education:

  • High School Diploma or GED required.
  • Bachelor's degree in chemical, Mechanical, Maintenance Engineering or related field preferred.

Experience:

  • Minimum of 5 years' experience in the development or execution of equipment inspection, testing, and preventive maintenance plans per API or ASME industry documents.

Preferred Skills/Qualifications:

  • API 570 certification required.
  • API 510 certification required.
  • API 653 certification required. STI SP001 Adjunct Certification preferred.
  • AWS Certified Weld Inspector certification required
  • Experience in developing custom inspection plans for pressure vessels (metallic and fiberglass), piping circuits, and storage tanks.
  • Proven experience in leading teams, groups or efforts relating to process equipment maintenance activities.
  • Knowledgeable with Process Safety Management (PSM) elements, including process technology, equipment design, Mechanical Integrity, and Management of Change.
  • Familiar in application of manufacturing operations i.e. cGMP's, validation, quality systems, document control and the impact of regulatory considerations on engineering initiatives.

Skills/Competencies:

  • Experience working with enterprise CMMS software such as Maximo preferred.
  • Knowledge of national and local regulations, codes, standards, and other RAGAGEPs pertaining to process safety and covered process safety equipment
  • Ability to balance compliance requirements with operational realities
  • Attention to detail and strong documentation discipline
  • Continuous improvement mindset
  • Effective communication across disciplines
  • Advanced skills with Microsoft Office (Excel, Access, Word)
  • Advanced skills with Autodesk AutoCAD, P&IDs and other CAD software
  • Exceptional written and oral communication skills
  • Must be able to communicate with outside agencies.

EEO Statement:

We comply with all applicable federal, state, and local laws prohibiting discrimination and harassment, and provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, gender, sexual orientation, gender identity, national origin, age, disability, veteran status, or genetic information, or any other classification protected by federal, state or local law. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.