Part Time Chemical Engineer Jobs in California (NOW HIRING)

Communities everywhere share the need for clean water. And as they work to meet that need, they're facing new, more complex challenges every day. Our water professionals collaborate to contribute innovative ideas, guided by scientific rigor and a vision for sustainable growth. Every day, we're helping communities improve, reuse, and protect our world's most precious resource.
Join our team to deliver transformational projects that will benefit future generations. Grow with us, H2O+U.
Your Opportunity
Stantec's Water practice is seeking a highly motivated Senior Process Engineer to join our highly successful water team working on iconic projects in California. Primary responsibilities include client service management, project delivery, and project management for water treatment projects. We are looking for someone with experience or interest in the evaluation, planning, design and construction administration of water and recycled water infrastructure projects including proposal, scope, and fee development; alternatives analysis; treatment plant, pump station, and pipeline design; and engineering services during construction. This position offers the right candidate the ability to make a major career advancement. This is an opportunity to improve and grow leadership skills and become a recognized technical resource for a growing northern California water practice. If you are a project engineer or project manager looking for a chance to contribute to significant projects in one of the largest engineering markets in the country, this may be the right time to make a career move.
Your Key Responsibilities

• Manage and execute work involving conventional types of civil and utility engineering principles and other related activities for new and existing water, recycled water, and conveyance projects.
• Provide technical guidance and leadership in the development of innovative technical solutions for treatment process work.
• Develop and prepare reports, planning studies, specifications, detailed design drawings, and construction submittal reviews calculations, models and other technical deliverables for treatment, conveyance, and infrastructure related projects.
• Lead project teams in planning and/or designing a major engineering project and coordinate special planning and engineering studies.
• Direct the work of, communicate effectively, and coordinate with project teams including other disciplines (drafters, designers, and other engineers).
• Communicate effectively and coordinate with clients on projects during planning, design, and construction.
• Lead project coordination meetings with internal team members and/or external consultants, owner and contractor, subcontractors, and vendors.
• Assist with business development pursuits, as requested.
• Local travel and off-site field visits to client treatment plants.
• Become engaged in active project delivery as a client-facing Project Leader in the Municipal Water and utilities markets in California, particularly Northern California.
• Develop and foster strategic client relationships throughout the region.
• Support Stantec's reputation for innovation and research through bench/pilot/demo-scale testing and participation in local and national conferences, professional associations, and academic partnerships.
• Mentor young professionals in the Walnut Creek office and across the region.

Your Capabilities and Credentials

• Experience with design of water infrastructure.
• Experience with engineering services during construction.
• Strong client service, project management, and/or design management skills.
• Must have a good driving record and valid driver's license

Education and Experience

• B.S. degree in civil, environmental, or chemical engineering, M.S. preferred
• Minimum of 15 years of water treatment experience
• Valid California Professional Engineering license, or Professional Engineering license in another state with ability to obtain California license within 1 year of employment required.

This description is not a comprehensive listing of activities, duties or responsibilities that may be required of the employee and other duties, responsibilities and activities may be assigned or may be changed at any time with or without notice.
Stantec is a place where the best and brightest come to build on each other's' talents, do exciting work, and make an impact on the world around us. Join us and redefine your personal best
Pay Range:
• Locations in NYC & CA (Bay Area) & NJ (RP)-$190,500.00 - $295,300.00 Annually
Pay Transparency: In compliance with pay transparency laws, pay ranges are provided for positions in locations where required. Please note, the final agreed upon compensation is based on individual education, qualifications, experience, and work location. At Stantec certain roles are bonus eligible. Actual compensation for part-time roles will be pro-rated based on the agreed number of working hours per week.
Benefits Summary: Regular full-time and part-time employees (working at least 20 hours per week) have access to medical, dental, and vision plans, a wellness program, health saving accounts, flexible spending accounts, 401(k) plan, employee stock purchase program, life and accidental death & dismemberment (AD&D) insurance, short-term/long-term disability plans, emergency travel benefits, tuition reimbursement, professional membership fee coverage and paid family leave. Regular full-time and part-time employees will receive ten paid holidays in each calendar year. In addition, employees will be eligible to accrue vacation between 10 and 20 days per year and eligible for paid sick leave (and if more generous, in accordance with state and local law).
Temporary/casual employees have access to 401(k) plans, employee stock purchase program, and paid leave, in accordance with state and local law.
The benefits information listed above may not apply to union positions because benefits for such positions are governed by applicable collective bargaining agreements
Primary Location: United States | CA | Walnut Creek
Organization: BC-1840 Water-US Pacific
Employee Status: Regular
Business Justification: New Position
Travel: No
Schedule: Full time
Job Posting: 16/06/2026 09:06:15
Req ID: 1006355
Stantec provides equal employment opportunities to all qualified employees and applicants for future and current employment and prohibit discrimination on the grounds of race, colour, religion, sex, national origin, age, marital status, genetic information, disability, sexual orientation, gender identity or gender expression. We prohibit discrimination in decisions concerning recruitment, hiring, referral, promotion, compensation, fringe benefits, job training, terminations or any other condition of employment. Stantec is in compliance with laws and regulations and ensures equitable opportunities in all aspects of employment. At Stantec we are committed to ensuring our recruitment process is accessible to all. If you require reasonable adjustments to be made during the recruitment process then please inform a member of our Talent Acquisition team.