Senior Engineer in Water/Wastewater

Lumos & Associates · Sacramento · $130,000–$165,000 (stated in the posting)

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Lumos & Associates, a leader in civil engineering throughout northern California, Nevada, and Idaho, is seeking an accomplished Water/Wastewater Senior Engineer to join our growing team. This is an exciting opportunity for an experienced engineer to take on a key technical leadership role within our Water/Wastewater practice. The position will work out of our Roseville, California office.

The ideal candidate brings advanced expertise in water and wastewater infrastructure design, a strong sense of ownership, and a collaborative leadership style. This individual will serve in responsible charge of projects, provide high-level technical oversight, and mentor junior staff while helping grow our technical practice.

About Us:

At Lumos & Associates, we are known for our forward-thinking approach and commitment to delivering high-quality engineering solutions that strengthen the communities we serve. We foster a collaborative environment where professionals are empowered to grow, innovate, and lead. We invest in professional development and operate under five core values: Stay Moving, Dip Down, Own It, Make It Right, and Take Pride.

About the Role:

The Water/Wastewater Senior Engineer serves as a senior technical leader responsible for the design, coordination, and oversight of complex infrastructure projects across our service territory. Project types include:

• Water distribution systems
• Sanitary sewer collection systems
• Booster pump and lift stations
• Storage facilities
• Master planning and hydraulic modeling
• Water and wastewater treatment facilities

This role combines advanced technical execution, team leadership, client engagement, and business development support.

The ideal candidate will possess the following qualities and skills:

• Strong technical background in water and wastewater design and construction management experience, and have a demonstrated ability to serve in a responsible charge capacity for water and wastewater projects.
• Strong oral and written communication skills, including the ability to present technical information in public forums, as well as interpersonal communication with team members and colleagues.
• Possess a high level of creativity, organizational skills, and attention to detail, as well as a demonstrated ability to manage and oversee several tasks/projects concurrently.
• Strong business acumen necessary to maintain project budgets and develop new and repeat business with existing and new clients.
• Possess vision to help grow and direct the water/wastewater technical focus group in close coordination with the Lumos Group Manager, consistent with our strategic plan and goals.

Key Responsibilities:

• Coordinate, oversee, and direct the project design team during the execution of projects in responsible charge.
• Develop, implement, and maintain project schedules and budgets.
• Provide coaching, mentoring, and delegating responsibility to staff.
• Provide technical review (QA/QC) of projects.
• Leads the development of engineering drawings using CAD/Civil 3D software. Designs in a manner according to established industry standards and state or federal construction policies. Conducts research as needed. This position will work in coordination with the Project Manager, but will spend a significant amount of time independently.
• Prepares or guides the preparation of due diligence/site analysis reports, engineer’s opinion of probable construction costs, utility infrastructure design and computations, technical reports, and general civil design for review by a Project Manager.
• Serves as the engineer in responsible charge for production of final civil design drawings/may stamp project deliverables, including plans, specifications, reports, and calculations.
• Leads field visits and construction site visits, and provides assistance related to the aspects of construction assistance activities (verify quantities, field reports, process pay applications, etc.).
• Prepares models or guides computer modeling for analysis of water, sewer, and stormwater systems. Prepares or guides the preparation of reports based upon modeling in coordination with the team.

 Requirements

• Bachelor’s degree in civil or environmental engineering.
• 6+ years of progressive water/wastewater design experience.
• California P.E. license (or ability to obtain within 6 months).
• Advanced proficiency in AutoCAD Civil 3D.
• Experience supervising and mentoring staff.
• Valid driver’s license and driving record with 3 or fewer demerit points.

This role offers the opportunity to lead complex projects, shape technical direction, and continue building specialized expertise within a growing and respected company.

Success in this position comes from strong technical judgment, proactive leadership, and a commitment to delivering excellence for clients and communities.

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