Engineer; Water​/Wastewater

Founded in Dallas in 1974,
Trinity Consultants has grown from a small air quality firm into a global environmental consulting leader with 2,800+ experts worldwide. We deliver holistic expertise across natural environmental, people, and building technology environments - blending deep scientific knowledge with a culture that genuinely supports the people who do the work. Built on a foundation of transparency, empowerment, and professional growth, our team embodies integrity in every engagement.

We reward creative problem‑solving, entrepreneurial spirit, and mastery of technical skills which creates an environment where talent thrives and clients succeed. Whether serving clients across environmental consulting, water & ecology, built environment, or life sciences, we unify rigorous science with conscious innovation. It's a culture that nurtures collaboration, values inclusion, and drives meaningful results.

Trinity is adding a Water/Wastewater Engineer to our team in Phoenix! The Water/Wastewater Engineer provides design and technical support for water/wastewater infrastructure projects. This position assists with project production and marketing, collaborating with project managers and department leaders to deliver quality engineering solutions.

• Develop water/wastewater improvement plans and/or master plans under the direction of a project manager.
• Prepare technical reports and engineering design plans.
• Use AutoCAD to design and draft engineering plans; review plans by drafters/designers.
• Assist PM and leadership with existing client coordination and marketing to new clients.
• Participate in responding to RFPs and in business development activities within the water/wastewater sector.
• Represent Trinity at industry events, conferences, and organizations as needed.
• Oversee junior EIT's and drafters for task execution.
• Maintain and track task budgets and schedules; coordinate with subconsultants.
• Respond to task-related inquiries; deliver and receive plans and meet with clients as assigned.
• Mentor junior staff and assist with their technical development.
• Pursue and complete technical training to maintain professional competency.
• Perform other duties as assigned.

• Bachelor's degree in a relevant engineering field required.
• Professional Engineer (PE) license in Arizona (or qualify to obtain a PE license in Arizona) required.
• Minimum of four (4) years of experience as an engineer required.
• Ability to manage budgets, schedules, and project documentation.
• Experience with engineering reports and land development plans.
• Familiarity with water/wastewater systems and municipal standards.
• Proficiency in AutoCAD Civil 3D.
• Modeling software experience a plus.

The wage range for this position is $95,000 – $125,000 annually.

• Comprehensive benefits package: 9 paid holidays, healthcare benefits, PTO, and 401k matching for full-time employees. Flexible work schedules and remote/hybrid possibilities for most roles.
• Multidisciplinary environment:
  Unique, creative, and challenging projects where you can develop your vision of clientele and work with industry leaders daily.
• Success-oriented environment:
  Two-way mentorship, financial incentives to publish work, tuition reimbursement, and a career-path structure to help you reach the next steps in your career.
• Collaborative work environment:
  Clear and frequent communication, shared information and ideas across teams, and a welcoming atmosphere for everyone.

Trinity is committed to creating a diverse environment and is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, age, gender identity or gender expression, national origin, disability, or veteran status. We maintain a drug‑free workplace and perform pre‑employment background checks.