Intern Investigator Jobs in Riverside, CA (NOW HIRING)

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.
We believe transportation is more than movement, it's the foundation of connected, thriving communities. As part of HDR's Transportation Business Group, you'll help shape the systems that move people and goods safely, efficiently, and sustainably. From designing resilient highways and iconic bridges to advancing transit, passenger and freight rail, aviation, federal transportation ports and marine infrastructure, your work will directly support economic vitality, public safety, sustainable and resilient communities and quality of life. We bring together planners, engineers, architects, construction management staff, environmental, strategic communications, economists, management consultants and specialists across disciplines to solve complex mobility challenges with innovation, technical excellence, and a deep understanding of community needs. Whether you're modernizing aging infrastructure or pioneering next-generation transportation solutions, your contributions will help define the future of mobility. This isn't just a job, it's a chance to lead progress, drive meaningful impact, and leave a legacy of smarter, more connected transportation networks. We are all employee-owners at HDR, which is the foundation of our collaborative culture that connects employees around the world.

In the role of Geotechnical Intern, we'll count on you to:

• Assist in performing geotechnical calculations and analysis for small- and large-scale projects
• Assist in planning and conducting geotechnical investigations and site assessments
• Assist with geotechnical drilling, logging and preparing boring logs
• Gain real-world experience on exciting projects
• Connect with recent college graduates and our company leaders through mentoring and young professionals programs
• Apply standard engineering techniques and procedures
• Perform assignments under the direct supervision of a professional or Project Manager
  

Preferred Qualifications

• Willingness and ability to go to the field as needed
• Ability to effectively work independently and in a team environment
• Proficient in Microsoft Word, Excel, PowerPoint, Familiarity with Geotechnical software.
• Prefer 2 years completed toward degree with 3.0+ GPA
• Demonstrated knowledge of software packages related to field of study/industry
• Local candidates preferred

The ideal candidate will commit to working approximately 20 hours per week on-site. This position does not offer remote work.

Required Qualifications

• Currently enrolled in an undergraduate or graduate Engineering program
• Attention to detail
• Possess strong problem-solving and communication skills
• Basic Microsoft Office skills
• An attitude and commitment to being an active participant of our employee-owned culture is a must

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.

We provide a comprehensive benefits package that promotes employee ownership, employee health, performance, and success, which includes medical, dental, vision, short and long-term disability, life insurance, an employee assistance program, paid time away, parental leave, paid holidays, a retirement savings plan with employer match, employee referral bonus and tuition reimbursement. The expected compensation range for this position is $22-$26/hr and depends upon skills, experience, education and geographical location. (Stated benefits are for full-time regular positions. Temporary and part-time roles eligible for limited benefits.) Primary Location: United States-California-Irvine Industry: Highway + Road Schedule: Part-time Employee Status: Temporary BusinessClass: Geotechnical Job Posting: Jun 26, 2026