Back to jobs
New

Sr. Engineer in Water/Wastewater

Roseville, California

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

$120,000 - $160,000 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!

Create a Job Alert

Interested in building your career at Lumos & Associates? Get future opportunities sent straight to your email.

Apply for this job

*

indicates a required field

Resume/CV*

Accepted file types: pdf, doc, docx, txt, rtf

Cover Letter

Accepted file types: pdf, doc, docx, txt, rtf

Select...
Select...
Select...
Select...

For example, Indeed (job search site), or John Smith (employee name), or LinkedIn Ad (social media ad)

Voluntary Self-Identification

For government reporting purposes, we ask candidates to respond to the below self-identification survey. Completion of the form is entirely voluntary. Whatever your decision, it will not be considered in the hiring process or thereafter. Any information that you do provide will be recorded and maintained in a confidential file.

As set forth in Lumos & Associates’s Equal Employment Opportunity policy, we do not discriminate on the basis of any protected group status under any applicable law.

Select...
Select...
Race & Ethnicity Definitions

If you believe you belong to any of the categories of protected veterans listed below, please indicate by making the appropriate selection. As a government contractor subject to the Vietnam Era Veterans Readjustment Assistance Act (VEVRAA), we request this information in order to measure the effectiveness of the outreach and positive recruitment efforts we undertake pursuant to VEVRAA. Classification of protected categories is as follows:

A "disabled veteran" is one of the following: a veteran of the U.S. military, ground, naval or air service who is entitled to compensation (or who but for the receipt of military retired pay would be entitled to compensation) under laws administered by the Secretary of Veterans Affairs; or a person who was discharged or released from active duty because of a service-connected disability.

A "recently separated veteran" means any veteran during the three-year period beginning on the date of such veteran's discharge or release from active duty in the U.S. military, ground, naval, or air service.

An "active duty wartime or campaign badge veteran" means a veteran who served on active duty in the U.S. military, ground, naval or air service during a war, or in a campaign or expedition for which a campaign badge has been authorized under the laws administered by the Department of Defense.

An "Armed forces service medal veteran" means a veteran who, while serving on active duty in the U.S. military, ground, naval or air service, participated in a United States military operation for which an Armed Forces service medal was awarded pursuant to Executive Order 12985.

Select...

Voluntary Self-Identification of Disability

Form CC-305
Page 1 of 1
OMB Control Number 1250-0005
Expires 04/30/2026

Why are you being asked to complete this form?

We are a federal contractor or subcontractor. The law requires us to provide equal employment opportunity to qualified people with disabilities. We have a goal of having at least 7% of our workers as people with disabilities. The law says we must measure our progress towards this goal. To do this, we must ask applicants and employees if they have a disability or have ever had one. People can become disabled, so we need to ask this question at least every five years.

Completing this form is voluntary, and we hope that you will choose to do so. Your answer is confidential. No one who makes hiring decisions will see it. Your decision to complete the form and your answer will not harm you in any way. If you want to learn more about the law or this form, visit the U.S. Department of Labor’s Office of Federal Contract Compliance Programs (OFCCP) website at www.dol.gov/ofccp.

How do you know if you have a disability?

A disability is a condition that substantially limits one or more of your “major life activities.” If you have or have ever had such a condition, you are a person with a disability. Disabilities include, but are not limited to:

  • Alcohol or other substance use disorder (not currently using drugs illegally)
  • Autoimmune disorder, for example, lupus, fibromyalgia, rheumatoid arthritis, HIV/AIDS
  • Blind or low vision
  • Cancer (past or present)
  • Cardiovascular or heart disease
  • Celiac disease
  • Cerebral palsy
  • Deaf or serious difficulty hearing
  • Diabetes
  • Disfigurement, for example, disfigurement caused by burns, wounds, accidents, or congenital disorders
  • Epilepsy or other seizure disorder
  • Gastrointestinal disorders, for example, Crohn's Disease, irritable bowel syndrome
  • Intellectual or developmental disability
  • Mental health conditions, for example, depression, bipolar disorder, anxiety disorder, schizophrenia, PTSD
  • Missing limbs or partially missing limbs
  • Mobility impairment, benefiting from the use of a wheelchair, scooter, walker, leg brace(s) and/or other supports
  • Nervous system condition, for example, migraine headaches, Parkinson’s disease, multiple sclerosis (MS)
  • Neurodivergence, for example, attention-deficit/hyperactivity disorder (ADHD), autism spectrum disorder, dyslexia, dyspraxia, other learning disabilities
  • Partial or complete paralysis (any cause)
  • Pulmonary or respiratory conditions, for example, tuberculosis, asthma, emphysema
  • Short stature (dwarfism)
  • Traumatic brain injury
Select...

PUBLIC BURDEN STATEMENT: According to the Paperwork Reduction Act of 1995 no persons are required to respond to a collection of information unless such collection displays a valid OMB control number. This survey should take about 5 minutes to complete.