# Senior Engineer in Water/Wastewater - Company: [Lumosassociates]() - Location: Sacramento, California - Team: Engineering - Salary: $130K – $165K - Posted: April 13, 2026 ## Job description 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. **Pay Transparency Statement** The compensation range reflects the Company’s reasonable expectation at the time of posting. We consider a number of factors when making individual compensation decisions including, but not limited to, skill sets, experience and training, and other business needs. California salary pay range $130,000—$165,000 USD **Benefits offered to eligible****full-time employees include:** * Competitive salary and annual bonus * Competitive Health, Dental, and Vision insurance plans * Generous company matched 401(k) plan with a Roth provision * Paid Time Off (PTO) * Eight (8) paid holidays * Life insurance (company paid) * Short and long-term disability insurance (company paid) * Flexible Spending Account and/or Health Savings Accounts * Culture that provides work-life balance, and professional development and is community driven * And much more! ## Apply [Apply on Lumosassociates]() Canonical job page: