Assistant Manager Environmental Services Jobs in Riverside, CA

Grounded in safety, quality, and ethics, our experts lead their fields with dedication, a creative spirit, and a vision for growth. We draw from more than 20 technical specialties worldwide and are devoted to fostering a community of diverse talents, backgrounds, and expertise. Here, you can apply your passion and collaborate with top environmental professionals on work that's vital to our clients and the communities they serve.
Join a team that's naturally committed to the environment.
This role can be based in any Environmental Services office location in North America. The position requires regular in-office presence in support of our flexible work practice and may require travel to a variety of offices throughout North America.
YOUR OPPORTUNITY
We are seeking a Commercial Manager to join our Environmental Services Business Operating Unit (ES BOU). This senior leadership role partners with operations, growth, pursuit, and project teams to guide business and legal decisions across pursuits, contracts, negotiations, and project delivery, driving successful outcomes while minimizing financial risk.
Reporting to the Business Operating Unit Operations Leader (BOU OL), this role will engage directly on pursuits, client contractual negotiations, and projects with elevated risk profiles, including multinational clients and others spanning multiple geographic regions. By bridging legal, commercial, and execution priorities, the Commercial Manager will play a critical role in delivering win-win outcomes for both Stantec and its clients.
KEY RESPONSIBILITIES

• Oversee, guide and where necessary, participate in or lead negotiations with clients, teaming partners, and subconsultants, regarding contract terms & conditions, scoping and commercial aspects including pricing and change orders on the identified elevated risk profile pursuits and projects.
• Mentor and develop project pursuit teams and project teams on projects identified by the BOU to improve commercial, contracting and negotiating acumen.
• Work with the Directors of Project Management and the ES leadership team to promote implementation of multiple delivery models across our portfolio of projects
• Work with the Directors of Project Management and Account Managers to offer guidance for projects with higher risk profiles to enhance performance through effective change management, including identifying and documenting changes conditions and their impacts on Stantec, pursuing change order and contract amendments, and maintaining appropriate communication with clients. Independently or by selecting or advising suitable personnel, provide direction and support for complex and high-risk projects to safeguard Stantec's interests.
• Develop and mentor staff and succession candidates.
• Develop high trust relationships with business leadership, project managers, pursuit leads and functional service teams and become a sought-after resource to teams seeking project success.
• Foster a success-oriented, accountable environment.
• Uphold a corporate culture that promotes ethical practices, encourages individual integrity, and focuses on customer and service delivery.
• Provide support through ongoing interface with BOU Leaders regarding diagnosis and resolution of operational issues and continual improvement opportunities.
• Be an advocate for and promote a positive Health, Safety, Security and Environment (HSSE) culture, compliance with HSSE requirements, and lead by example.

YOUR CAPABILITIES AND CREDENTIALS:

• Bachelor's degree with a minimum of twenty years of related work experience; or an equivalent combination of education and related experience. Strong proven commercial acumen. Experience in contract law, risk management and the A-E industry strongly preferred.
• Strong commercial awareness and negotiating skills including pricing strategies and both contractual and non-contractual risk mitigations.
• Strong understanding of enterprise risks and able to exercise good judgment as to which risks can be mitigated, and which risks must be avoided.
• Extensive knowledge of items that may have a significant impact on projects or Stantec including project schedules, regulatory landscape, technical risks, contractual terms, or client behaviors.
• Strong contractual knowledge and understanding of project delivery for multiple delivery models (e.g. design-build, APD, EPC, P3).
• High attention to detail, strong analytical skills, excellent communicator.
• Ability to work collaboratively in a team while seamlessly transitioning to a leadership role where the situation requires it.
• Strong client liaison skills.

This description is not a comprehensive listing of 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.
About Stantec
Stantec is a global leader in sustainable engineering, architecture, and environmental consulting. The diverse perspectives of our partners and interested parties drive us to think beyond what's previously been done on critical issues like climate change, digital transformation, and future-proofing our cities and infrastructure. We innovate at the intersection of community, creativity, and client relationships to advance communities everywhere, so that together we can redefine what's possible.
Pay Range:
• Locations in MN, OH, VT, & Various CA, NY Areas-$158,000.00 - $244,900.00 Annually
• Locations in CO, HI, IL, MD & Various CA, NJ Areas-$173,800.00 - $269,400.00 Annually
• Locations in WA, DC & Various CA, MA areas-$186,400.00 - $289,000.00 Annually
• Locations in NYC & CA (Bay Area) & NJ (RP)-$199,100.00 - $308,600.00 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 | CO | Denver
Other Locations: United States | CA | Irvine
Organization: BC-2557 EnvSvcs-US Management
Employee Status: Regular
Business Justification: New Position
Travel: Yes
Schedule: Full time
Job Posting: 03/04/2026 04:04:50
Req ID: 1005184
#additional
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.