Environmental Engineer - Water / Wastewater

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Join Us! CDM Smith – where amazing career journeys unfold.

Imagine a place committed to offering an unmatched employee experience. Where you work on projects that are meaningful to you. Where you play an active part in shaping your career journey. Where your co-workers are invested in you and your success. Where you are encouraged and supported to do your very best and given the tools and resources to do so. Where it’s a priority that the company takes good care of you and your family.

Our employees are the heart of our company. As an employer of choice, our goal is to provide a challenging, progressive and inclusive work environment which fosters personal leadership, career growth and development for every employee. We value passionate individuals who challenge the norm, deliver world-class solutions and bring diverse perspectives. Join our team, and together we will make a difference and change the world.

At CDM Smith, you’ll work on meaningful water and wastewater projects that directly support community health, environmental stewardship, and sustainable infrastructure. Our Manchester team is seeking a mid‑level engineer ready to take ownership of technical work, collaborate with experienced professionals, and grow into increasing responsibility.

You will contribute to the planning, design, and delivery of water and wastewater infrastructure projects, including treatment facilities, pipelines, pump stations, water and sewer systems, and solid waste facilities. You will be involved across the full project lifecycle, from early planning and design through permitting, construction support, and client engagement while ensuring technical excellence and regulatory compliance.

Key Responsibilities

• Developing engineering designs, calculations, reports, and technical documentation to meet project and client requirements.
• Reviewing and contributing to design packages to ensure compliance with federal, state, and local regulations, as well as CDM Smith standards.
• Performing site visits, field reviews, and technical studies to confirm designs align with real‑world conditions.
• Conducting water quality analyses and modeling to support system performance and regulatory objectives.
• Supporting proposal development and collaborating with project managers and sales staff on client pursuits.
• Participating in meetings with existing and prospective clients to understand needs and help shape solutions.
• Contributing to CDM Smith’s technical knowledge base through white papers, technical memoranda, and publications.
• Staying current with industry trends by attending conferences, symposia, and professional events.

As A Mid-Level Engineer, You Will

• Play a key role in team development by providing technical guidance and mentorship to junior engineers.
• Review the work of junior staff and supporting their professional growth.
• May supervise portions of project work and coordinating task‑level efforts.

Why CDM Smith? 

• Work on high‑impact water and wastewater projects that serve communities across New England and beyond!
• Collaborate with recognized technical experts in a supportive, team‑oriented environment. 
• Gain exposure to a diverse mix of project types, clients, and regulatory environments. 
• Grow your career with clear pathways for technical and leadership advancement.

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• Proficiency in computer‑aided design and drafting (CADD), including 3D and 4D modeling tools, digital workflows, and industry best practices.
• Solid understanding of engineering design principles, with the ability to apply sound judgment, technical standards, and innovative problem‑solving across complex projects.
• Strong proficiency with Microsoft 365 and business productivity tools, including Excel, Word, and related applications, for technical documentation, analysis, and reporting.
• Excellent written and verbal communication skills, with the ability to clearly convey technical concepts to diverse audiences, including project teams, clients, and regulators.
• In‑depth knowledge of federal, state, and local regulations, with demonstrated experience ensuring compliance throughout project planning, design, and execution.

• Bachelor's degree in Civil, Environmental or Chemical Engineering or related discipline.
• Equivalent additional directly related experience will be considered in lieu of a degree.
• Professional engineering (PE) license.
• 7 years of related experience. Domestic and/or international travel may be required.
• The frequency of travel is contingent on specific duties, responsibilities, and the essential functions of the position, which may vary depending on workload and project demands.