Professional Services Jobs in Orange, CA

AECOM is currently seeking a highly motivated and focused Geology Engineering Practice Leader to build develop and support Geo-Civil projects for AECOMs Southern California (SoCal) practice Responsibilities of the role will include:Building and maintaining long-term relationships with clients in civ...

AECOM is seeking a Bridge Design CADD Technician III to work on a Part Time basis based in Orange CA. to work on exciting local regional and national projects. This Part Time position can work up to 19 hours per week in a as needed basis. Ideal for a retired or semi-retired Bridge Design Professiona...

AECOM is seeking a Structural Engineer to join our team based in Orange CA. This Structural Engineer will support a wide range of projects across industries including entertainment commercial industrial government detention and parking structures. This role offers the opportunity to develop analytic...

AECOM has an opening for an experienced Electrical Engineer to be based in Orange CA.The Electrical Engineer will join a multidisciplinary collaborative team with a range of expertise supporting the expansion of their knowledge base with the ability to travel and gain field experience.Join a practic...

Position: Senior Audit & Assurance Manager (Partner-Track)Company: Talley LLPLocation: Orange California (Hybrid)About the FirmTalley LLP and its affiliated entitiesTalley Law Group LLP (TLG) Talley Capital Group LLC (TCG) and Talley Wealth Management LLC (TWM) (collectively Talley)is a full-service...

AECOM is seeking a High School Intern to work in the AECOM offices located in Downtown Los Angeles or in the City of Orange. The internship will begin in mid-June 2026 and is expected to end by August 2026 hours vary during the summer period.Students will complete assignments focused on their specif...

AECOM Technical Services Inc. is seeking a Principal Dam Engineer in Orange CA.Job Responsibilities:Review designs technical specifications and drawings for civil and geotechnical aspects of dams and hydropower projects levees and flood control systemsDevelop resource plans proposals bid schedules a...

AECOM is seeking an AVP Dams Growth Leader in our West Region Water Business Line. This senior-level position will be based in Denver Colorado.With a proud history spanning over 85 years and thousands of successful projects our expertise in dam and reservoir engineering is unmatched. From feasibilit...

Talley LLPOfficial Title: Legal Assistant (AI-Enabled)Location: Orange CaliforniaFull Time/Onsite Monday FridayAbout the FirmTalley LLP and its affiliated entitiesTalley Law Group LLP (TLG) Talley Capital Group LLC (TCG) and Talley Wealth Management LLC (TWM) (collectively Talley)is a full-service...

Title: Audit & Assurance PartnerFirm: Talley LLPLocation: Orange California (Hybrid)About the FirmTalley LLP and its affiliated entitiesTalley Law Group LLP (TLG) Talley Capital Group LLC (TCG) and Talley Wealth Management LLC (TWM) (collectively Talley)is a full-service financial tax legal and cons...

AECOM is seeking an Associate Principal in Infrastructure & Asset Management to support and expand our Asset Management practice across the West Coast and adjacent markets. As part of AECOMs West Region Asset Management practice under the leadership of our Denver-based team this role will lead compl...

The Water Business Line of AECOM is actively seeking a creative highly talented Water/Wastewater Conveyance Technical Leader/Senior Project Manager with a focus on water/wastewater infrastructure design with in-depth design engineering experience in municipal public right-of-way conveyance and pumpi...

AECOM is seeking a Senior Project Manager to be based in one of our Southern California offices. Offices this hire can be seated in our Los Angeles CA; Orange CA; San Diego CA; offices.As a people manager the Senior Project Manager will be responsible for mentoring and guiding the Federal design tea...

AECOM is currently seeking Engineering Geologist candidates to support Geo-Civil projects from our Orange California office.Responsibilities of the role will include:Perform geologic field reconnaissance and mapping for the identification of geologic hazards and site characterization.Provide support...

AECOM is seeking an experienced Project Controls Analyst /Scheduler to be based out of our Orange CA office to support our Southern California Water practice.This role is responsible for overseeing construction and engineering design scheduling providing essential support for the timely and accurate...

AECOM is seeking a Proposal Specialist III to assist in writing water business line proposals. This role will work closely with the West marketing team business operations and support staff to bring strong leadership sharp compliance skilled writing and creativity to some of our must-win West pursui...

AECOM has an opening for an experienced Electrical Engineer to be based in Orange CA.The Electrical Engineer will join a multidisciplinary collaborative team with a range of expertise supporting the expansion of their knowledge base with the ability to travel and gain field experience.As part of our...

AECOM is seeking a Senior CADD/BrIM Technician /Bridge Designer  to be based in AECOMs San Francisco office to work on exciting local regional and national projects.The responsibilities of this position include but are not limited to:Performs a variety of tasks in support of the engineering staff.Pr...

AECOM is seeking a Design Intern to be based in Orange California.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 infrastructure projects...

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...