Professional Services Jobs in Orange, CA

AECOM is seeking a Civil Engineer Dam Safety & Monitoring to support our Water business line in Orange CA. The successful candidate will work on dam safety projects involving the design installation and monitoring of instrumentation systems to ensure structural integrity and regulatory compliance.K...

AECOM is seeking an Electrical Engineering Intern to be based in Orange CA.This position is expected to begin in Spring/Summer 2026.The responsibilities of this position include but are not limited to:Performs a variety of assignments designed to develop professional work knowledge and abilities req...

AECOM is seeking a Mechanical Engineering Intern to be based in the Orange CA office.This position is expected to begin in Spring/Summer 2026.Internships at AECOM offer students in undergraduate and graduate programs the opportunity to gain valuable hands-on experience in engineering design and infr...

AECOM is seeking an Engineering Intern to be based in Orange CaliforniaInternships at AECOM offer students in undergraduate and graduate programs the opportunity to gain valuable hands-on experience in engineering design and infrastructure projects that make a real-world impact. Interns work with cu...

AECOM has an exciting opportunity for a Senior level Environmental Planner/Project Manager - Energy to join our Environmental Planning and Permitting (EPP) team in Southern California.  This is a hybrid role that can be based out of AECOMs Orange San Diego or Los Angeles CA offices.Our EPP team serv...

AECOM is actively seeking a Construction Sr. Manager for immediate employment in Orange CA. The responsibilities of this position include but are not limited to:Provides guidance to employees within the latitude of established policies. Establishes procedures that affect immediate organization. Work...

AECOM has an opening for a Geologist in Lake Charles Louisiana OR Lafayette OR Baton Rouge to assist with a variety of projects including data management site investigations and remediation. The successful candidate will assist with gathering and analyzing geological hydrogeological and geochemical...

AECOMis actively seeking an experienced Senior Environmental Compliance Coordinator/Deputy Project Manager to join our Environmental Planning & Permitting group in southern California. This role is an exciting opportunity to support industry leading projects and programs for a variety of client sect...

AECOM is actively seeking a Construction Inspector I for immediate employment in Orange CA.The responsibilities of this position include but are not limited to:Performs a variety of assignments designed to develop professional work knowledge and abilities requiring application of standard techniques...

AECOM is actively seeking a Construction Inspector I for immediate employment in Orange CA.The responsibilities of this position include but are not limited to:Performs a variety of assignments designed to develop professional work knowledge and abilities requiring application of standard techniques...

AECOMis seeking an experiencedSenior Environmental Compliance Managerto support southern California gas utility projects and other clients throughout southern California.Project locations could be anywhere in southern California including Riverside San Bernardino Los Angeles Orange Ventura or San Lu...

AECOM is seeking a highly talented Marketing Proposal Specialist III to join our West Specialist Team and work in collaboration with the West Region business development and operations team on pursuits including partnering in the preparation of formal and informal client solicitations including requ...