Entry-Level CADD Operator​/Phase ESA Specialist; Hybrid

The Opportunity:

Tetra Tech is adding an Entry-Level CADD Operator / Phase I ESA Specialist to support our environmental investigation and remediation practice in California, with potential expansion into other regions across the United States. This position may be remote or hybrid
, with access to our California offices.

This role offers an excellent opportunity for early-career professionals to gain hands‑on experience in CADD drafting and Phase I Environmental Site Assessments (ESAs) within a collaborative consulting environment. Training for Phase I ESA work can be provided, as needed.

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.

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.

The Entry‑Level CADD Operator / Phase I ESA Specialist will support senior geologists, scientists, and engineers by preparing technical drawings and assisting with environmental site assessments in accordance with current ASTM standards. The position involves a mix of office‑based technical work and field activities, including site visits throughout California.

• Conduct Phase I Environmental Site Assessments (ESAs) in accordance with current ASTM standards
• Perform site visits at subject properties throughout California, including documentation through notes and photographs
• Create figures, drawings, and plans using CADD software (AutoCAD Civil 3D)
• Assist with data evaluation and preparation of technical reports
• Support environmental investigation and remediation projects
• Maintain strong organization while managing multiple assignments
• Work collaboratively with project teams and senior technical staff
• Adapt to a variety of tasks and project needs in a dynamic consulting environment
• Conduct activities in line with internal procedures, legislation, and industry standards.
• Pursue continuous professional development and maintain a high degree of discipline knowledge and awareness.
• Work in a safe manner at all times and report all health and safety incidents and concerns.
• Additional duties as assigned

• Bachelor’s degree from an accredited college or university in Environmental Engineering, Geology, Hydrogeology, Environmental Science, or a related field
• 0‑3 years of directly relevant experience (1 year of environmental consulting experience preferred)
• Proficiency with AutoCAD Civil 3D (2025)
• Strong written and verbal communication skills
• Strong analytical, organizational, and problem‑solving skills
• Ability to manage multiple projects with minimal supervision
• Ability to work effectively under pressure and meet deadlines
• Must possess a valid driver’s license with a clean driving record without restrictions.

• Prior experience with Phase I ESAs
• Familiarity with ASTM environmental standards
• Experience supporting environmental investigation or remediation projects
• Interest in developing a long‑term career in environmental consulting

• Ability to perform site visits at active or undeveloped properties
• Ability to walk, stand, bend, and navigate uneven terrain during fieldwork
• Ability to lift and carry light equipment and materials (up to approximately 25 lbs.)
• Ability to take detailed field notes and photographs during site visits

• Combination of office, remote, and field‑based work
• Fieldwork may include travel throughout California with potential for overnight stays
• Exposure to varying…