Client Service Manager - Water​/Wastewater Industry - Connecticut

Job Summary The Client Service Manager (CSM) s a mid-level client leader who demonstrates consistent success in growing client relationships, advancing strategic positioning, and delivering measurable business outcomes. A CSM has progressed beyond relationship maintenance and is actively shaping client strategy, leading coordinated account growth, and driving profitable portfolio performance. This role requires demonstrated capability in relationship expansion, pursuit leadership, and cross-functional team alignment.

The CSM develops and executes client growth strategies while continuing to contribute to project delivery excellence. For this key role in Connecticut, there will also be Project Management responsibilities. At times, this CSM will work closely with other project managers and will lead other team members to execute work involving engineering principals and other related activities for infrastructure projects. This person will contribute to project delivery and client service teams in winning and executing innovative planning, evaluation, design, permitting and construction support services for a variety of advanced treatment plants, biosolids, pumping stations, pipeline, and integrated water resources projects for municipal clients in the areas of water, wastewater, and stormwater.

This hybrid role connected to our Rocky Hill, CT office.

Responsibilities Own and execute a multi-year client growth strategy aligned with BC and client business objectives. Develop and advance the client business case, including revenue targets, service expansion, and positioning milestones. Secure and deliver profitable work while managing risk exposure. Lead the performance of the full client portfolio (projects and pursuits) to achieve revenue, margin, and backlog targets. Maintain utilization aligned with portfolio expectations.

Provide regular performance calibration with Business Unit and Area/Market leadership. Build and lead an engaged, high-performing Client Service Team (CST) with clear accountability. Coordinate resources across business lines and engage SMEs to expand service breadth. Mentor developing team members and model effective client leadership. Expand relationships across client functional areas and leadership levels. Translate client insights and market intelligence into actionable growth strategies.

Execute structured client engagement plans (minimum 20% client-facing time). Serve as Sales Leader on key pursuits; evaluate opportunities and develop win strategies. Maintain accurate client data and apply governance between CSM and PM roles to ensure unified client messaging and delivery alignment. Flexibility to adapt and execute various additional assignments based on evolving needs. Mentorship May provide mentorship, guidance, support, and knowledge-sharing to help less experienced team members develop their skills and grow within their roles.

Skills and Competencies Proficiency in managing client portfolios to achieve revenue, margin, and growth outcomes. Advanced professional acumen in balancing project oversight with strategic client leadership. Demonstrated ability to identify, evaluate, and scope new business opportunities in coordination with business leaders. Proficiency in go/no-go decision support and development of effective pursuit win strategies. Experience serving as Sales Leader for key proposals.

Ability to identify and engage appropriate teaming partners to strengthen competitive positioning. Advanced proficiency in developing, expanding, and leveraging client relationships across multiple organizational levels. Strong ability to research and translate client business drivers into actionable growth strategies. Capability to identify emerging client needs and align BC capabilities to capture new market opportunities. Demonstrated ability to motivate and align multidisciplinary teams to execute business plans.

Advanced facilitation, interview, and executive communication skills (written and oral). Working proficiency in risk identification, mitigation, and performance management. Familiarity with governance principles, decision-support models, and change leadership practices. Proficiency in leveraging digital tools, data systems, and AI-enabled platforms to support client and business performance. Advanced leadership skills with the capability to inspire and guide a team. Experience Typically, a minimum of 10 years of experience in environmental engineering and consulting industry with…