CAD Engineering Tech

The Opportunity

Tetra Tech is looking to add CAD Designers to our team in Irvine, CA. If you enjoy bringing civil designs to life using AutoCAD Civil 3D, collaborating with engineers and project managers, and seeing your work directly impact infrastructure projects in local communities, we'd love to meet you.

Why Tetra Tech

At Tetra Tech, we are Leading with Science to solve the world's most complex challenges. Our industry‑leading experts in engineering and consulting are committed to driving positive change in communities around the world. For over 50 years, we have been at the forefront of innovation and sustainability. Today we stand as a market leader, offering cutting‑edge solutions in water, environment, energy, and international development. Our work has improved more than 625 million lives around the world.

Your Impact

Join Tetra Tech to make a real difference. Our work leverages cutting‑edge technologies, advanced analytics, and the expertise of world‑class scientists and engineers to create meaningful change around the world. Discover your full potential – join us to advance your career while leaving a lasting legacy.

Position Summary

As a CAD Designer, you'll play a key role in transforming engineering concepts into buildable, high‑quality plans. You'll support the design and documentation of water, wastewater, and civil infrastructure projects, working alongside engineers and project managers to deliver accurate, detailed drawings that align with both client and Tetra Tech standards. This position offers exposure to a variety of project types – from pipelines and site grading to drainage and roadway improvements – giving you the opportunity to apply your technical skills in AutoCAD Civil 3D while contributing to impactful community projects.

Essential Functions

Collaborate with Project Managers and Engineers to set up, prepare, and manage construction drawings.

Prepare dimensional drawings and modify base files using AutoCAD Civil 3D.

Revise and update existing drawings to reflect design changes.

Create and maintain electronic file structures and naming conventions in accordance with company standards.

Prepare project documents from start to finish with professional‑quality output.

Manage multiple active projects and meet deadlines efficiently.

Adhere to CAD standards (Tetra Tech or client‑specific).

Work collaboratively on drawings that meet and exceed client requirements during bid and submittal phases.

Required Qualifications

Associate degree in CAD Drafting or a related field, or completion of a certified Autodesk Civil 3D training program, plus at least five years of relevant work experience.

Proven proficiency in AutoCAD Civil 3D for civil design, including feature lines, grading objects, survey points, profiles, surfaces, and pipe networks.

Experience using Civil 3D labels.

Excellent communication skills – interpersonal, listening, oral, and written.

Skilled in Microsoft Office, Adobe Acrobat, and general PC usage.

Knowledge of standard drafting practices and procedures.

Ability to work independently, exercise sound judgment, and manage time effectively.

Strong analytical, organizational, and problem‑solving skills.

Preferred Qualifications

Experience designing ADA curb ramps, utilities, drainage, and roadway elements.

Familiarity with ADA design parameters for roadways, streets, and site grading.

Ability to generate layout drawings from sketches or specifications.

Physical Requirements

Ability to work at a computer for extended periods of time.

Occasional site or office visits may be required to coordinate with project teams or review design documentation.

Work Environment/Environmental Factors

Work is typically performed in a professional office environment using a computer for extended periods, with a moderate noise level.

CA Salary: 26-30/hour based on experience.

Life at Tetra Tech

The perks of working at Tetra Tech include:

Comprehensive and market‑competitive benefits.

Merit‑based financial rewards.

Flexibility and company‑wide commitment to work/life balance.

Collaborative team atmosphere that values the contributions of all employees.

Learning and development opportunities for ongoing professional growth.

About Tetra Tech

Tetra Tech is the leader in water, environment, and sustainable infrastructure, providing high‑end consulting and engineering services for projects worldwide. With 30,000 employees working together, Tetra Tech provides clear solutions to complex problems by Leading with Science to address the entire water cycle, protect and restore the environment, design sustainable and resilient infrastructure, and support the clean energy transition.

Tetra Tech is proud to be an Equal Opportunity Employer. All qualified candidates will be considered without regard to race, color, religion, national origin, age, disability, sexual orientation, gender identity, status as a protected veteran, or any other characteristic protected by law. Tetra Tech is a VEVRAA federal contractor and we request priority referral of veterans.

Additional Information

Organization: 200 IEW

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