Senior Construction Inspector (Civil/Mechanical)

Orange County Sanitation District; Riverside (CA); On-site; USD 134,000 - 147,000; Full time

Job summary

Orange County Sanitation District (OC San) is seeking a Senior Construction Inspector (Civil/Mechanical) to oversee construction inspections on complex plant and collection facilities. You will advise contractors, coordinate with project teams, and ensure compliance with plans, regulations, and safety standards.

Responsibilities include supervising inspection activities, evaluating methods, maintaining daily reports, and supporting change orders, pay estimates, and as-built records.

Qualifications

• High school diploma or GED required, plus specialized training in engineering technology or construction inspection.
• Five (5) years of increasingly responsible work experience performing construction inspections on large public works projects.
• Valid California Class C Driver’s License.

Responsibilities

• Inspect highly complex plant and collection facilities construction work to ensure compliance with plans, specs, codes, and safety requirements.
• Coordinate inspection activities with project managers and engineers.
• Maintain daily construction reports, field test results, and photo logs; oversee documentation and records.

Skills

Construction inspection

Public works

Contractor coordination

Education

High school diploma or GED

Job description

What doyou value in your next job?

At the Orange County Sanitation DistrictourCore Valuesform the framework of our organization and reinforce our professional work ethic. If the following values ring true with you, we'd love to invite you to explore our career opportunities further.

Integrity, Inclusion, Honesty, and Respect

We aspire to the highest degree of integrity, inclusion, honesty, and respect in our interaction with each other, our suppliers, our customers, and our community. We strive to demonstrate these values in our actions, commitments, and service.

Leadership, Teamwork, and Problem Solving

We lead by example, acknowledging the value of our resources and using them wisely to achieve our mission. We strive to reach OC San goals through cooperative efforts and collaboration with each other and our constituencies. We work to solve problems in a creative, cost-effective, and safe manner, and we acknowledge team and individual efforts.

Customer Service, Transparency, and Accountability

We are committed to acting in a timely, accurate, accessible, and transparent manner through excellent customer service. We are committed to act in the best interest of our internal and external stakeholders.

Resiliency, Innovation, and Learning

We continuously develop ourselves, enhancing our talents, skills, and abilities. We recognize that only through personal growth and development will we progress as an agency and as individuals.

Safety

We are committed to providing a safe work environment. We will demonstrate leadership, promote individual accountability, and participate actively in the advancement of our health and safety practices.

OC San is currently looking to fill the role of a Senior Construction Inspector (Civil/Mechanical).

Under direction, inspects highly complex plant and collection facilities construction work performed by contractors to ensure contractual compliance with plans, specifications, codes, regulations, and OC San and Occupational Safety and Health Administration (OSHA) safety requirements; serves as an advisor to contractors, project teams, management, and staff in area of specialty and on OC San construction inspection and workplace safety requirements and standards; coordinates with project managers and engineers on inspection activities; performs basic research and completes special projects; and performs duties as assigned.

Specifically, this Senior Construction Inspector inspects construction of highly complex collection, Treatment Plant and Pump Station facilities construction work performed by contractors to ensure OC San compliance with plans, specifications, codes, regulations and OC San and Occupational Safety and Health Administration (OSHA) safety requirements; coordinates construction requirements with OC San process control and safety requirements; and performs research for and completes special projects. Exercises technical and functional direction and provides training and guidance to lower-level construction inspection staff as assigned.

This Senior Construction Inspector will participate in assigned design projects and demonstrate an ability to effectively identify and correct constructability and quality control errors in the project documents and follow through on lessons learned to initiate corrective actions. Other duties will include maintaining files of all daily construction related reports such as daily inspection reports, field test results, field change orders, extra work requests, and photo logs.

In addition, the successful candidate will provide technical input and support to project management on change orders, pay estimates, design and submittal review, as well as maintain inspection copies of as-built drawings, as required by Quality Assurance measures of the Engineering Department. The successful candidate will inspect all types and phases of construction in the sewer Collections system, and Treatment Plant work including trunk lines, siphons, force mains, cured in place piping, pipe jacking, tunnels, micro-tunnels, reinforced concrete, masonry, coatings, wood and structural steel framing, piping and mechanical systems, linings and architectural finishes, pump stations, earthwork and paving. The selected candidate will also attend meetings, schedule start-ups, shutdowns, and tie-ins of facilities with contractors and Operations and Maintenance, evaluate contractors’ methods, and witness required tests.

Required:

1. High school diploma or G.E.D. supplemented by specialized training or coursework in engineering technology, construction inspection or a related field.
2. Five (5) years of increasingly responsible work experience performing construction inspections on large public works projects.
3. Valid California Class C Driver’s License.

Desirables:

• Possession of certifications from ACI (Concrete Technician Grade 1), ACIA (Division 4), APWA (CPII), International Code Council (Building, Plumbing, and Mechanical), NASSCO ITCP Certification (manhole rehabilitation, cure in place pipe) NACE CIP (1, 2, or 3), American Welding Society, are desired.
• Experience and knowledge of in-process inspection protocol (mechanical piping, coatings, welding, reinforced concrete and vitrified clay pipe, valves, etc.) and sewage treatment process equipment (pumps, blowers, package equipment, etc.)
• Ability to work well alone and in a team environment, communicate effectively with staff, agency stakeholders, and the public.

Vacancies: 1 (an eligible list may be established for future vacancies)

APPLICATION FILING DEADLINE: Wednesday, September 23, 2026, 5:00 P.M. (or until a sufficient number of qualified applications have been received)

Hiring Salary Range: $64.23 - $70.78/Hour (starting salary will be within this range based upon qualifications)

Physical Demands

• Mobility to work in a standard office setting and use standard office equipment, including a computer; to operate a motor vehicle and visit various OC San sites, projects, and/or meetings; primarily a sedentary office classification although standing in work areas and walking between work areas may be required; occasionally bend, stoop, kneel, reach, push, and pull drawers open and closed to retrieve and file information; ability to lift, carry, push, and pull materials and objects up to 35 pounds.
• Mobility to work in changing site conditions; to sit, stand, and walk on level, uneven, or slippery surfaces; to reach, twist, turn, kneel, and bend, to climb and descend ladders.
• Perform light to medium physical work; lift, carry, push, and pull materials and objects averaging a weight of 51 pounds, or heavier weights, in all cases with the use of proper equipment and/or assistance from other staff; crawl in limited or confined spaces.
• Vision to read printed materials and a computer screen.
• Vision to inspect site conditions, construction materials, and work in progress.
• Hearing and speech to communicate in person and over the telephone.
• Finger dexterity is needed to access, enter, and retrieve data using a computer keyboard or calculator and to operate standard office equipment.
• Field work requiring frequent walking in operational areas to identify problems or hazards with exposure to hazardous materials in some site locations.

Environmental Elements

• Office environment with moderate noise levels, controlled temperature conditions, and no direct exposure to hazardous physical substances.
• Field work with exposure to loud noise levels, cold and hot temperatures, inclement weather conditions, road hazards, vibration, confining workspace, chemicals, mechanical and/or electrical hazards, hazardous physical substances and fumes, dust, and air contaminants.
• Employees may interact with upset staff and/or public and private representatives in interpreting and enforcing departmental policies and procedures.

Disaster Service Workers

All OC San employees are designated Disaster Service Workers through state law (California Government Code Section 3100-3109). Employment with the OC San requires the affirmation of a loyalty oath to this effect. Employees are required to complete all related training as assigned, and to return to work as ordered in the event of an emergency.

Other Requirements

• May be required to work extended hours, including nights, weekends, and holidays when necessary.
• Probationary Period: All OC San employees, except classifications considered “at-will”, are subject to the probationary period provisions as specified in the applicable Memorandum of Understanding, policies, and/or resolutions. Employees who have not yet successfully completed their initial probationary period serve “at-will” and may be released from employment without cause or recourse to any appeal or grievance procedures.
• Pre-Employment: All employment offers are contingent upon successful completion of OC San’s pre-employment process, which includes a background investigation, a physical examination, and a drug screen.
• Work Location Assignment: Employees will be assigned to a work location based on business needs which may be located at any/all of OC San locations; this work location may be changed at any time.

Other Information

For the full range of duties, responsibilities, and essential job functions please review the Classification Specification for this position found on our website.

Applicants must clearly demonstrate, through their application materials, that they meet the minimum requirements as outlined in the job announcement and class specification to receive further consideration. However, meeting the minimum requirements does not guarantee an interview. All properly completed applications will be reviewed, and the most appropriately qualified individuals will be invited to continue in the selection process.

False statements may be cause for disqualification, removal from the eligible list, or discharge from employment. All statements made on applications are subject to investigation and verification.

To ensure your application is accurate and complete, please review the Job Application Guide.

Employment is contingent upon successful completion of OC San’s pre-employment process, which includes a background investigation and a physical examination. For some positions, this may include a drug screen. False statements may be cause for disqualification, removal from the eligible list, or discharge from employment. All statements made on applications are subject to investigation and verification.

Reference Checks will be conducted by OC San to verify employment related information for all potential employees once a contingent job offer is made during the background investigation process. This is done to ensure that individuals who join OC San are well qualified and have a strong potential to be successful in their employment. The extent of the inquiry will depend on the position being applied for, but will at least include:

• Verification/Reference from current and past employers
• Confirmation of necessary licenses, certificates, and degrees.

Please have all necessary documentation ready. Additional inquiries may be necessary depending on the position for which you are applying. Human Resources will also schedule a post-offer physical examination once a job offer has been made.

OC San only accepts applications submitted via our online application system. Applications submitted via mail, fax or email will not be accepted.

The provisions of this announcement do not constitute an expressed or implied contract. Any provision contained in this announcement may be modified or revoked without notice.