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.

Description

Lumos & Associates is currently seeking an accomplished Water/Wastewater Project Manager to help lead our growing team of water/wastewater design professionals. This position requires a Professional Engineer (P.E.) license in California.    

This is a fantastic opportunity for a motivated leader to help build, direct, and advance this technical focus group in northern California. This position will work out of our Roseville, California office.

The Project Manager is responsible for leading and supporting projects for our water and wastewater clients throughout our current service territory. These projects will include water distribution systems, sanitary sewer collection systems, booster pump stations, lift stations, storage facilities, master plans, water/sewer modeling, and water/wastewater treatment facilities.

As a leadership position within the company, the Project Manager promotes and develops new and repeat business opportunities that are in alignment with Lumos & Associates’ strategies and goals.

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 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.
• Serve as the primary contact with clients.
• Provide leadership in the development of new business and promoting repeat and referral business.
• Prepare and review project proposals, qualification statements, promotional materials.

Requirements

• Bachelor's degree from four-year College or University with emphasis in Civil or Environmental Engineering.
• 8+ years of related water/wastewater engineering design and related management experience.
• California P.E. license
• Experience working in and managing a team of technical staff in multiple disciplines.
• Excellent oral and written communication skills including public/client presentations.
• Valid driver’s license and driving record with 3 or less demerit points. 

ESA seeks a highly motivated Junior Coastal Engineer with 0-3 years' experience to join our team of hydrologists, geomorphologists, ecologists, landscape architects and engineers in the Northern California region. This position will support a variety of multi-objective tidal wetland and coastal restoration design projects in the San Francisco Bay Area, Sacramento/San Joaquin Delta, California Coast, and throughout California. We are looking for a dedicated and enthusiastic team member with a passion for ecosystem restoration and the desire to learn and grow.  This is a full-time salary exempt role with hybrid work expectations.  Candidates must be able to work in office hybrid in one of the following office locations: San Francisco, Oakland, Sacramento, or Petaluma and be available as needed to travel to other ESA office locations for in-person team collaboration. 

Who You Are 

• You have a Bachelor’s degree in Civil/Environmental Engineering or a related degree and directly relevant qualifications, and EIT certification or the ability to obtain it within one year;
• You have education, training, and/or work experience in one or more of the following: coastal zone or estuarine habitat restoration, land management, geomorphology and/or ecology; coastal engineering; estuarine hydraulics and hydrology.
• Experience in design and modeling software (AutoCAD Civil 3D, ArcGIS, HEC RAS, HEC HMS, XBeach, SWAN etc.) and programming (MATLAB, Python) are desirable but not required.
• You are an effective team member with excellent oral and writing skills who can work independently and collaboratively in a multi-disciplinary environment.
• You can communicate basic technical information clearly and concisely to individuals and small groups.
• You are adept at using various communication tools to effectively combine in-person and remote teamwork.
• You are able to work hybrid in office in San Francisco, Oakland, Sacramento, or Petaluma.  

What You Will Do for ESA

• Support design and analysis for ecosystem restoration, climate change resilience, habitat enhancement, engineering with nature, flood management, and other water resources and civil engineering projects under direct supervision of a more senior engineer or hydrologist.  
• Assist in the preparation of engineering analyses, design plans and cost estimates, reports, permit applications, and other project documentation. Apply hydrologic and hydraulic models, GIS, and other tools to evaluate design alternatives. Using GIS or other software platforms to evaluate habitat conversion in both the near and long-term accounting for climate change. Have the opportunity to collect hydrographic, topographic, and related field data to support engineering analysis and design.  
• Consistently demonstrate your solid writing and attentive listening skills, contributing to complex environmental reports, and participating in meetings with ESA staff and with our clients. This position will lead to project management experience over time. 
• Thrive in a fast-paced, challenging environment and be able to balance multiple responsibilities and deadlines, while working on a team or independently. Provided the appropriate direction, resources and support, you will independently solve simple to complex problems. 
• Please note, as a part of the interview process, you may be asked to prepare a presentation and/or provide a writing sample.

What’s Special About Our Team

Our EH&D team includes engineers, engineers, hydrologists, geomorphologists and landscape architects. Much of our work is oriented toward the restoration of habitat and ecosystem function, often as part of multi-benefit projects. As a highly-integrated team, we value creative thinking, teamwork, and multi-disciplinary and cross-disciplinary engagement and integration. 

To read about some of our exciting projects, check out these links Dutch Slough, Lower Walnut Creek, Heron's Head Park Shoreline Resilience, Tomales Bay Living Shoreline, and Surfers' Point. 

What’s Special About ESA

Joining ESA means becoming part of a close-knit team of environmental professionals who contribute to outstanding projects, improve environmental stewardship, and advance a more sustainable and resilient future for our communities and wild places.

At ESA, we provide benefits such as medical, dental, and vision insurance (paid at 70% for you AND your family), annual allocations of company share through our ESOP, a 401(k) plan with company match, and paid vacation, sick leave, and holidays, to name a few.

We also provide specific programs whether you want to further your technical expertise, sharpen your business acumen, or help lead the next generation of employee-owners. We want to support you in reaching your career goals through tuition reimbursement, professional development bonuses, and attendance at conferences.