Assistant Structures Representative

HDR, Inc.; Irvine (CA); On-site; USD 80,000 - 110,000; Full time

Job summary

HDR, Inc. is seeking an Assistant Structures Representative in Irvine, CA to perform field inspections on Caltrans projects, ensure conformance with plans, and support contract administration.

The role involves calculations, submittal reviews, and daily record-keeping to ensure quality and compliance. Candidates should have 5+ years in structure construction inspection, a high school diploma or equivalent, and proficiency with MS Office.

Qualifications

• Requires high school diploma or equivalent; substitution allowed with 8 years of relevant inspection experience.
• Minimum 5 years of experience in structure construction inspection.
• Proficient with MS Office (Word/Excel/Outlook).
• Ability to work independently and as part of a team.
• Commitment to HDR's employee-owned culture and safety policies.
• Visa sponsorship not available for this position.

Responsibilities

• Perform field inspections to ensure materials and workmanship conform to approved plans and specs.
• Take action on non-conforming work, including removal/replacement as needed.
• Perform alignment and grade calculations and establish control lines as required.
• Review shop drawings and submittals from contractors.
• Coordinate with contractors on compliance with plans and regulatory permits.
• Prepare contract-related documents (change orders, estimates, claims, RFIs) and daily activity diaries.
• Record and file project records (daily reports, submittals, pay estimates).
• Conduct verification sampling/tests per ASTM or CTM methods.
• Be flexible with days, nights, and weekends in heavy construction as needed.

Skills

Verbal communication

Problem solving

Independent work

Teamwork

Education

High school diploma or equivalent

Education beyond 12th grade (engineering or surveying)

Tools

MS Office (Word/Excel/Outlook)

Job description

At HDR, our employee-owners are fully engaged in creating a welcoming environment where each of us is valued and respected, a place where everyone is empowered to bring their authentic selves and novel ideas to work every day. As we foster a culture of inclusion throughout our company and within our communities, we constantly ask ourselves: What is our impact on the world?

Watch Our Story: ' https://www.hdrinc.com/our-story'

Each and every role throughout our organization makes a difference in our ability to change the world for the better. Read further to learn how you could help make great things possible not only in your community, but around the world.

HDR will be assisting and supporting Caltrans and perform consultation, research, professional, technical and field services required for Structure Construction Engineering and Inspection and Construction Contract Administration Services for Caltrans Structure Construction, District 59, for projects in Districts 8 and 9 (San Bernardino, Riverside, Inyo and Mono Counties).

The typical scope of services under this Contract include, but not limited to, performing construction engineering and inspection, general contract administration, preparing and administering contract change orders, providing engineering support to resolve construction potential claims, providing support on contract acceptance, preparing final construction estimate and preparing final report, on an "as-needed" basis while working at construction project site and/or field office.

In the role of Assistant Structures Representative, you will be responsible for:

• a) In a field setting, performing construction inspections to assure materials and workmanship incorporated into each highway construction project and appurtenances are in conformity with the requirements of the approved plans and specifications, including approved changes.
• b) Taking appropriate action when materials and workmanship are non-conforming which may include ordering removal and replacement of non-conforming work.
• c) In a field setting, performing calculations related to the proper alignment and placement of bridge and structures elements, establishes surveying control line and grade (elevation control) as required by established Caltrans Structure Construction Practices & Procedures.
• d) Assisting the Structures Representative with calculations related to and the review of shop drawings, informational and action submittals received from the Construction Contractor.
• e) Conferring with the Construction Contractors regarding compliance with plans, quality of work, construction activity and California Occupational Safety and Health Administration (Cal/OSHA) regulations. Collaborating with other project personnel regarding the Construction Contractor's compliance with regulatory permit agencies requirements.
• f) The Consultant Assistant Structure Representative assists in identifying the need for and the preparation of contract related documents, e.g. change orders, contract quantities and estimates, potential claim reports, letters, response to Construction Contractor's potential claims, and RFI's (request for information). Completes daily diaries of Construction Contractor's construction activities being performed, inspections performed, tests taken, and materials placed. Develops contract quantity estimate documents at least once monthly and as materials are placed.
• g) Assisting Structures Representative and Resident Engineer in recording and filing project related records pertaining to construction progress including daily reports, submittals, shop drawings, monthly pay estimates, and job expenditures.
• h) In a field setting performing verification sampling and/or tests to verify the acceptability of construction materials in accordance with American Society for Testing Materials (ASTM) or California Test (CT) methods.
• i) Able to be flexible and working days, nights, and/or weekends in heavy construction requiring walking, bending, lifting and carrying inspection / surveying tools and equipment’s at elevated heights, confined spaces, extreme weather conditions, remote work sites, environmentally sensitive areas and over water-ways, if needed.

Preferred Qualifications

• A minimum of 2 years of education equivalent to completion of a curriculum beyond the 12th grade in either (1) engineering which includes courses in trigonometry and algebra or higher, drafting, computer science, and physics, chemistry, or a comparable physical science; or (2) surveying which includes courses in trigonometry and algebra or higher, drafting, surveying, and computer science.
• A minimum of 4 years of demonstrated experience in structure construction inspection of highways or major public works projects, performing the duties described above.
• A valid Driver's License, possess a valid Standard First Aid Certificate at all times, possess a valid American Society for Testing Materials (ASTM) or California Test Methods (CTM), Certification in the sampling and testing of fresh Portland cement concrete.
• Construction surveying knowledge and experience necessary for control lines and grades as required by established Structure Construction Practices Policies and Procedures.
• Proven problem-solving and documentation abilities
• Proficient verbal communication skills

Required Qualifications

• Requires high school diploma or equivalent. (Candidates with 8 years of relevant construction inspection experience may substitute experience for a high school diploma)
• A minimum of 5 years experience
• Proficient with MS Office (Word/Excel/Outlook)
• Ability to work independently and as part of a team
• An attitude and commitment to being an active participant of our employee-owned culture is a must
• HDR's Drug and Alcohol Policy supports our commitment to employee safety and exceeding client requirements. The Drug and Alcohol Policy prohibits the use of drugs or alcohol while on HDR or client premises, or while otherwise engaged in HDR business. This position may require a successful drug-screen prior to hire and thereafter, based on client requirements and applicable country, state and/or provincial laws and regulations.
• Sponsorship (visa) for US employment authorization is not available now or in the future for this position.

What We Believe

HDR is our company. Together, we build on each other's life experiences and perspectives to make great things possible every day. This shapes our collaborative culture, encourages organizational trust and connects us closer to the clients and communities we serve.

Our Commitment

As employee owners, we all have a role in creating an inclusive environment where each of us is welcomed, valued, respected and empowered to bring our authentic selves to work every day.

Our eight Employee Network Groups (Asian Pacific, Black, Hispanic/Latino(a), LGBTQ+, People with Disabilities, Veterans, Women, Young Professionals) help create a sense of belonging and foster a supportive environment where everyone is empowered to engage and contribute. Each group has an executive sponsor and is open to all employees.

Primary Location

United States-California-Irvine

Other Locations

United States-California

United States-California-Riverside

Industry

Construction, Project Controls & Design/Build

Schedule

Full-time

Employee Status

Regular

BusinessClass : Field Services

Job Posting

Oct 30, 2026

At HDR, we are committed to the principles of employment equity.

We are an affirmative Action and Equal Opportunity Employe r.

We consider all qualified applicants, regardless of criminal histories, arrest and conviction records.