Associate Engineer

Between $70k and $90k Per Year DOE (Depends on Experience) Associate Engineer

TRIHYDRO CORPORATION

Occupation:

Environmental Engineers

Location:

Signal Hill, CA - 90755 Positions available: 1 Job #: 19831711

Source:

CalJOBS

Posted:

12/12/2025

Updated:

02/13/2026

Expires:

04/13/2026

Web Site:

CalJOBS Onsite /

Remote:

Work onsite all of the time

Job Type:

Regular, Full Time (30 Hours or More), Permanent Employment, Day Shift Job Requirements and Properties Help for Job Requirements and Properties. Opens a new window. Work Onsite Full Time Education Bachelor's Degree Experience 60 Month(s) DL Required Schedule Full Time Job Type Regular Duration Permanent Employment Shift Day Shift Benefits Job Description Help for Job Description. Opens a new window.

Job Title:

Associate Engineer at

Trihydro Corporation Location:

Signal Hill, California Job Summary:

You will assist with engineering, investigation, and remediation projects. Your work will primarily involve supporting groundwater remediation system projects for petroleum hydrocarbons, which include assisting with client relations and project management. Additional responsibilities may include soil remediation design, implementation, and reporting; and technical/business development/marketing needs. The position requires working outdoors at petroleum refineries and other petroleum or industrial sites, and up travel to project locations. This full-time position requires approximately 40 to 45 hours per week and involves a blend of field/office work, project management, multiple stakeholder communication, and problem solving. If you thrive in a fast-paced and collaborative environment, this opportunity is ideal for you.

Key Responsibilities:

Support groundwater remediation system improvement projects, including task coordination, documentation, and design. Support soil and groundwater remediation system improvement projects, including task coordination, documentation, and design. Assist with client relations and project management. Perform soil remediation design, implementation, troubleshooting, and reporting. Assist with technical/business development/marketing.

Qualifications:

A bachelor's degree in engineering, with preference for civil/environmental focus. 5 years of relevant work experience. Commitment to safe work practices. California professional engineer (PE) registration (or working toward achieving licensure). Strong written and oral communication skills. Ability to interact effectively with clients and project team members to achieve project goals. Positive attitude. Initiative and self-motivation. Ability to produce high-quality project deliverables. Strong time management and organizational skills. Reliable, team-oriented work habits. Ability to travel to client sites and other Trihydro offices. A clean driving record. The ability to obtain a Transportation Worker Identification Credential (TWIC) Card.

What We Offer:

Industry-leading 401(k) retirement plan, including a 6% discretionary match. Paid time off including vacation, flex, sick, paid family medical leave, and holiday pay. Comprehensive health insurance program (medical, dental, vision, and prescription). Opportunities for professional development and career growth. A collaborative and inclusive work environment. Mentoring and opportunities for professional advancement. Best-in-class safety culture. The salary information shown below is a general guideline ONLY. Salaries are based on candidates' experience and qualifications, as well as market and business considerations.

Summary pay range:

$70,000 - $90,000 This position will remain open until a qualified candidate has been selected. How to

Apply:

Please submit your resume and a cover letter detailing your relevant experience and why you are interested in this role at Trihydro Corporation. Applications can be submitted via our website at https://www.trihydro.com/about-us/careers.

About Us:

Trihydro Corporation is a national engineering and environmental consulting firm. Our team values integrity and collaboration to complete meaningful projects that make a difference for our clients and communities. We are looking for a talented and hard-working individual to join us as our next Associate Engineer. Trihydro is an Equal Opportunity, Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, marital status, genetic information, disability, or because of a protected Veteran status.