Red River Area Careers
April 30, 202640th Annual Environmental Permitting Summer School
July 10, 2026Southern California Area
Kleinfelder’s team of engineers, planners, designers, construction managers, and laboratory technicians are shaping the future of engineering in Southern California, and we are looking to grow! At Kleinfelder, we provide sustainable, innovative solutions to public and private sector clients that shape the communities and infrastructure where we live and work. With more than 3,300 professionals across more than 100 offices, we are poised to deliver results to our clients and meaningful careers to our employees.
Read on to learn more about our team, and check out some of the priority positions below. The office location of many of our open positions is flexible between our various SoCal offices.
As a responsive, cross-disciplinary team of bright, curious, and innovative problem-solvers, we are dedicated to doing the right thing, every day, on every project from over 100 offices across the U.S., Canada, and Australia.
Connecting great people to the best work is our purpose – together, we deliver.
In the News
Kleinfelder Recognized as a Forbes Top-Tier Engineering Employer
Kleinfelder has been ranked among Forbes’ 2026 Top 175 employers for engineers in North America, a recognition made more meaningful by the fact that employee feedback played a central role in the evaluation. This honor reflects the strong culture Kleinfelder’s teams have built and underscores the company’s commitment to developing top talent, fostering innovation, and providing rewarding opportunities.
For the Professional Services category, Kleinfelder stands alongside globally recognized firms. While many firms in this space are focused on IT, consulting, or digital transformation, Kleinfelder remains rooted in infrastructure, engineering design, environmental science, and construction management.
San Diego International Airport New Terminal 1 Celebrates Grand Opening
Kleinfelder played a key role in the transformation of New T1, serving as landside development bridge designer and civil engineering lead, geotechnical engineer, and sustainability lead for this $3.4-billion alternative delivery project. New Terminal 1 (New T1) officially opened on September 22, 2025, with the first flights and passengers welcomed the following day.
Helping Communities Heal from the Los Angeles Wildfires
To support recovery efforts, Kleinfelder’s Southern California Area (SoCal Area) — spearheaded by Area Business Manager Crystal Duran — identified two charitable organizations making a significant impact: the American Red Cross and Best Friends Animal Society. Through these coordinated efforts, Kleinfelder donated nearly $8,200, along with fostering displaced pets and donating blankets and clothing.
CWEA San Diego Recognizes Kleinfelder Project with Engineering Achievement Award
Kleinfelder provided multidisciplinary water and infrastructure engineering design services for the chlorine contact tank to optimize disinfection performance. The improvements increased tertiary treatment capacity from 5.0 to 6.5 million gallons per day, supporting California Title 22 regulatory compliance and long‑term recycled water reliability.
Let’s Connect
Work With Us
Kleinfelder has been connecting great people to the best work since 1961. We are engineers, scientists, and construction professionals providing solutions that improve our clients’ water, transportation, energy, and other private infrastructure. Our employees are the backbone of an integrated company that provides innovative, dependable, and sustainable solutions for our clients.
At Kleinfelder, we provide opportunities for each person to use their expertise and talents, grow professionally, and make an impact each and every day. We know our employees’ commitment, pride, and passion contributes to the success of the company and to the successes of our clients.
Maximize your career possibilities at Kleinfelder through:
- Comprehensive and competitive medical, dental, vision, and life insurance benefits; 401(k) plan; and paid holidays
- Flexible and hybrid work options
- Meaningful and challenging project work
- Training and financial assistance for professional registrations, professional society participation, and technical paper submissions
- Community volunteering and enrichment activities
Open Positions – Apply Today!
Interested in what Kleinfelder has to offer in other areas across the country?
Check out more open positions across our teams at the link below.