In a world of possibilities, pursue one with endless opportunities. Imagine Next! When it comes to what you want in your career, if you can imagine it, you can do it at Parsons. Imagine a career working with exceptional people sharing a common quest. Imagine a workplace where you can be yourself. Where you can thrive. Where you can find your next, right now. We’ve got what you’re looking for. **Job Description:** **Join Our Team: Principal Mechanical Engineer – Water Group** _Location: Pasadena, CA (with initial assignment in Orange County, CA)_ Are you a seasoned Mechanical Engineer passionate about creating solutions that improve communities? Parsons’ Water Group in Pasadena, CA, is seeking a dynamic **Principal Mechanical Engineer** to lead and innovate in the design of cutting-edge wastewater treatment facilities. Join an established engineering team that values collaboration, creativity, and technical excellence. This role offers an exciting opportunity to contribute directly to impactful infrastructure projects while working in Orange County, CA, during the initial assignment phase. **Why Join Parsons?** + **Make an Impact:** Be at the forefront of designing essential wastewater treatment systems that enhance environmental sustainability and community well-being. + **Grow with Us:** Lead a team of skilled engineers and designers, guiding technical excellence and driving professional growth within the team. + **Engage in Innovation:** Use the latest tools and technologies to create efficient, state-of-the-art designs. **Your Key Responsibilities** As a Principal Mechanical Engineer, you’ll: + **Design Excellence:** + Develop detailed designs for mechanical piping systems, reclaimed water systems, lift stations, and wastewater treatment facilities. + Create and review technical specifications, detailed drawings, and scopes of work. + Perform quality assurance and control (QA/QC) reviews for comprehensive, multi-discipline design projects. + **Project Leadership:** + Lead project teams on medium to large-scale projects, ensuring designs meet client expectations and compliance standards. + Mentor and guide engineers and designers to achieve technical and professional growth. + **Construction Support:** + Address engineering bid questions, respond to contractor inquiries, and verify equipment compliance with design specifications. + Support site investigations and develop operation and maintenance (O&M) plans, including on-site training for personnel. + **Technical Expertise:** + Conduct hydraulic calculations, system head curves, and pump and motor sizing. + Oversee the design of processes such as headworks, aeration basins, disinfection systems, anaerobic digestion, and more. + Ensure designs align with industry standards, including ASME, ASTM, ANSI, NFPA, and OSHA. **What You’ll Bring to the Team** **Required Skills:** + Proven leadership and ability to perform in a lead capacity. + Expertise in wastewater treatment system design, including piping layouts, chemical storage systems, HVAC, and pumping systems. + Proficiency in engineering software and tools, including AutoCAD and Revit. + Strong communication skills, both written and oral. + Working knowledge of safety standards, including Cal OSHA regulations. + Bachelor’s degree in Mechanical Engineering. + Licensed Mechanical Engineer (PE) in the State of California. + Minimum of 10 years of experience in wastewater treatment or similar industrial facility design. **Desired Skills:** + Familiarity with interdisciplinary design processes. + Advanced knowledge of mechanical engineering codes and standards. + Proactive problem-solving skills and a self-starter attitude. **What We Offer** + Competitive salary and benefits package. + Opportunities to work on meaningful, high-impact projects. + A supportive and inclusive team environment where innovation thrives. **Take the next step in your career and make a difference with Parsons.** Apply today to become part of a team that’s shaping the future of water infrastructure. **Minimum Clearance Required to Start:** Not Applicable/None This position is part of our Critical Infrastructure team. For more than 75 years, our experts have designed and delivered the critical infrastructure that connects and protects communities around the world. We work in collaborative teams, both within the company and with our partners and customers, to plan, design, build, and modernize infrastructure. We take special pride in projects and solutions that improve communities as well as people’s quality of life by promoting economic growth, enhancing mobility, and increasing sustainability and resiliency. Powered by our people, we provide the imagination necessary to support our customers’ visions—and to help them see new possibilities. Salary Range: $96,400.00 - $168,700.00 We value our employees and want our employees to take care of their overall wellbeing, which is why we offer best-in-class benefits such as medical, dental, vision, paid time off, Employee Stock Ownership Plan (ESOP), 401(k), life insurance, flexible work schedules, and holidays to fit your busy lifestyle! We truly invest and care about our employee’s wellbeing and provide endless growth opportunities as the sky is the limit, so aim for the stars! Imagine next and join the Parsons quest—APPLY TODAY!About Us Parsons is a digitally enabled solutions provider focused on the defense, security, and infrastructure markets. With nearly 75 years of experience, Parsons is uniquely qualified to deliver cyber/converged security, technology-based intellectual property, and other innovative services to federal, regional, and local government agencies, as well as to private industrial customers worldwide. Parsons is an equal opportunity, drug-free employer committed to diversity in the workplace. Minority/Female/Disabled/Protected Veteran/LGBTQ+. For more about Parsons, visit parsons.com and follow us on Facebook, Twitter, LinkedIn, and YouTube.