Senior Process Engineer

Stantec is seeking a senior-level Process Engineer to support the continued growth of our Renewable Natural Gas (RNG), industrial wastewater, and municipal treatment practices. This role is ideal for a technically strong, client-facing engineer who brings hands-on experience in biogas/RNG systems, wastewater process design, and project delivery, and who is motivated to grow into a technical leadership and Project Technical Lead (PTL) role. You will play a key role in delivering complex projects, supporting business development, mentoring staff, and serving as a trusted advisor to clients across the Mountain West and beyond. Your Key Responsibilities Technical Leadership & Project Delivery - Serve as a lead process engineer on renewable energy, industrial wastewater, and municipal treatment projects, with a focus on anaerobic digestion, biogas upgrading, and RNG systems - Lead or contribute to conceptual, preliminary, and detailed process design, including development of PFDs, P&IDs, mass and energy balances, and process specifications - Provide technical oversight and mentorship to project teams, including junior engineers and designers - Support Project Managers and PTLs in delivering projects on scope, schedule, budget, and quality Renewable Natural Gas & Energy Systems - Act as a technical resource and subject matter expert for biogas and RNG projects, including pipeline injection systems, gas conditioning, compression, and regulatory compliance - Support feasibility studies, evaluations, optimization, and troubleshooting of existing RNG and digestion facilities - Collaborate with multidisciplinary teams to integrate wastewater treatment and energy recovery solutions - Assist with operations, optimization, and performance improvement initiatives for existing facilities Client Engagement & Business Development - Serve as a client-facing technical lead, supporting proposal development, technical interviews, and project pursuits - Participate in seller-doer activities by identifying opportunities with existing and new clients in RNG, industrial, and municipal markets - Support conference presentations, technical publications, and thought leadership related to RNG, wastewater treatment, and energy recovery - Build and maintain strong working relationships with clients, regulators, utilities, and project partners Leadership & Growth - Support the development of Stantecu2019s RNG and industrial wastewater capabilities through knowledge sharing, standards development, and internal collaboration - Contribute to staff development through mentoring, technical training, and coaching - Grow toward a Project Technical Lead (PTL) role, with increasing responsibility for technical quality, risk management, and client satisfaction Qualifications - Bacheloru2019s degree in Chemical Engineering, Environmental Engineering, or related discipline - Professional Engineer (PE) license (Colorado or ability to obtain through reciprocity) - 12+ years of progressive experience in wastewater process engineering, industrial treatment, or renewable energy systems - Demonstrated experience with anaerobic digestion, biogas, or RNG systems - Strong understanding of wastewater treatment processes, including industrial applications - Proven ability to lead technical work and collaborate across multidisciplinary teams - Excellent written and verbal communication skills, including client presentations Why Stantec At Stantec, we value flexibility, collaboration, and professional growth. We offer the opportunity to work on impactful projects at the intersection of wastewater treatment and renewable energy, while supporting work-life balance and career development. This role provides a clear pathway to technical leadership and expanded responsibility within a growing and nationally connected practice. Pay Range: u2022 Locations in CO, HI, IL, MD & Various CA, NJ Areas-$141,500.00 - $212,200.00 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 Organization: 1813 Water-US Southwest-Denver CO Employee Status: Regular Business Justification: New Position Travel: No Schedule: Full time Job Posting: 31/03/2026 08:03:10 Req ID: 1005170Stantec 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.

Created: 2026-04-02