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Job Title


Senior Mechanical Site Inspector


Company : ProSidian Consulting


Location : Richland, WA


Created : 2026-03-16


Job Type : Full Time


Job Description

Senior Mechanical Site Inspector PR0134 ProSidian is a Management and Operations Consulting Services Firm focusing on providing value to clients through tailored solutions based on industry-leading practices. ProSidian services focus on the broad spectrum of Enterprise Service Solutions for Risk Management | Compliance | Business Process | IT Effectiveness | Engineering | Environmental | Sustainability | and Human Capital. We help forward-thinking clients solve problems and improve operations. Launched by former Big 4 Management Consultants; our multidisciplinary teams bring together the talents of nearly 190 professionals globally to complete a wide variety of engagements for Private Companies, Fortune 1,000 Enterprises, and Government Agencies. Our solution-centric services are deployed across the enterprise, target drivers of economic profit (growth, margin, and efficiency), and are aligned at the intersections of assets, processes, policies, and people delivering value. ProSidian clients represent a broad spectrum of industries including but not limited to Aerospace And Telecommunications | Consumer Products, Services, And Retail | Development And Sustainability | DOD/Military | Energy, Resources, & Industrials | Financial Services | Government & Public Services | Information Technology, Media, And Telecommunications | Life Sciences & Health Care | Manufacturing And Operations | Nuclear and Environmental | Professional Services, etc. Learn More About ProSidian Consulting at Job Description The U.S. Department of Energy (DOE), Office of River Protection, Waste Treatment and Immobilization Plant (WTP) requires support from qualified full-time general support services contractors (GSSC). The Waste Treatment Plant Performance Assurance (WPA) manager will oversee and provide direction for this work. The successful contractor will have responsibility for execution of the itemized work scope below: Perform detailed construction-related inspections at the DOE Hanford WTP construction site, focusing on work in progress, special activities, identified problem areas, and adequacy of WTP construction contractor corrective actions, as performed by direct observation and involvement in activities such as quality assurance reviews, testing, acceptance inspections, and safety surveys. (Mechanical Site Inspectors) Perform owner's inspector verifications as specified in ASME B31.3. (Mechanical Site Inspectors) Review welding procedures, procedure qualification records, and personnel qualification records for compliance with ASME Section IX or AWS codes as applicable. Conduct periodic inspection team meetings to discuss WTP construction activities, areas to be inspected, status of open items to be reviewed, assigned WTP assessments status Provide input to the periodic inspection reports of all WPA site inspection activities Perform/document inspections of in-process and completed contractor installation activities as assigned to ensure site construction is conducted in accordance with contract, Authorization Basis (AB), applicable codes and standards, and Dangerous Waste Permit requirements. Ensure corrective actions are implemented when the provisions are not met. Services include continuous on-location inspections; results are documented in surveillance report using heating ventilation and air conditioning (HVAC), piping, instrumentation and controls, civil, and electrical subject matter experts Support monitoring of contractor construction activities focusing on ongoing construction by direct observation and involvement in acceptance inspections, and safety surveys Review nuclear safety, industrial health and safety, fire protection, QA, material control and accountability, welding, electrical, concrete, and structural work activities Recommends corrective actions to applicable DOE staff, including stop work if necessary, to address contractor non-compliance with requirements. Maintain national inspection accreditations in related inspection expertise such as welding, civil, or electrical. Inspection activities shall also include: Assessments of the safety performance of the WTP construction contractor. Inspecting the WTP construction contractor's conformance with the provisions of the AB requirements and ensuring corrective actions are taken when the provisions are not met. Work may include nightshift coverage on an as needed basis or as part of a rotation with other inspectors. Verify procedures and specifications meet AB requirements, including related codes and standards, material meet requirements, construction and inspection staff is suitably qualified, work is performed within prescribed controls, and completed documentation of work is in accordance with requirements. SCOPE DELIVERABLES Provides support to senior level federal project managers in the performance of construction site inspections and oversight with a focus on work-in-progress, special activities, identified problem areas, and adequacy of construction contractor corrective actions, as performed by direct observation and involvement in activities such as quality assurance reviews, testing, acceptance inspections, and safety surveys. Recommends corrective actions to applicable DOE staff, including stop work if necessary, to address contractor non-compliance with requirements. Complete on-site (and supplier shop, as requested) inspections of construction work for WTP facilities, structures, systems and components. Develop and submit inspection reports on a frequency determined by WPA of all ORP WTP site and supplier inspection activities. Inspection tasks and activities are not limited to those listed above and may be expanded by WPA based on projected construction progress. Reports are to meet the requirements of TRS-OA-IP-01 Integrated Oversight Process. Monthly reports of construction site inspection services provided. CONTRACTOR DELIVERABLES Work products shall be thorough, accurate, appropriately documented, and comply with established criteria. The Contractor shall ensure that duties are performed in a competent and professional manner that meets milestones/delivery schedules as outlined below: Weekly Report. This report will address work accomplished, and deliverable progress to be provided to the technical monitor. Monthly Report. This report will be a combination of the weekly status reports and shall be submitted with the monthly invoice. The report shall also include: Deliverable progress, and date(s) submitted if applicable, submitted within this invoice period. Work schedule for Contractor employees, to include any leave taken. Qualifications QUALIFICATION REQUIREMENTS The contractor shall ensure that GSSC personnel supporting this task possess the following qualifications: Experience Minimum of twenty (20) years of substantive experience and knowledge inspecting various construction activities, plus an additional 5 years of specialized experience performing construction site inspections on large and/or highly complex industrial federal nuclear and/or chemical processing facility construction projects. (Mechanical Site Inspectors only) Must meet the qualifications for Owner's Inspector as define in ASME B31.3i.e., not less than 10 years' experience in the design, fabrication, or inspection of industrial pressure piping. Each 20% of satisfactorily completed work toward an engineering degree recognized by the Accreditation Board for Engineering and Technology shall be considered equivalent to 1 year of experience up to 5 years total; or be an AWS CWI or SCWI with 5 years of experience in the design, fabrication, or examination of industrial pressure piping. Possess related national inspection accreditation credentials in areas such as welding, civil, or electrical construction inspection areas, and have a demonstrated ability to clearly document inspections performed and accurately describe issues identified in terms of contract, authorization basis, and dangerous waste permit requirements. Knowledge of Hanford Site mission, activities, and priorities. Excellent verbal and written communications skills. Working level knowledge of knowledge of Hanford Site mission, activities, and priorities. Working level of knowledge of DOE program and project management practices, policies, and procedures (e.g., ASME NQA-1, 10 CFR 830 Subpart A, and DOE O 414.1C, National Electric Code, and NFPA 70E, etc., as appropriate) REQUIRED TRAINING Maintaining proficiencies in the following through periodic training: Hanford General Employee Training (better known as HGET). WTP site access. TRAVEL Travel as coordinated with the technical point of contact and approved in writing by the contracting officer in advance, is allowed, in accordance with federal travel regulations. LOCATION Work shall be conducted at the Department of Energy government offices, The Hanford Site, and Richland, WA. This position is also telework eligible at the discretion of the Technical Monitor (TM) and Contracting Officer's Representative (COR) in consultation with