Senior Engineer - Water/Wastewater

Company: Ardurra Group, Inc.
Location: Fresno
Posted on: February 15, 2026

Job Description:

Job Description Job Description MKN (an Ardurra company) is seeking a Senior Engineer - Water/Wastewater to join our team ideally in Fresno, CA . We are a team-oriented and highly motivated group with offices in Irvine, Oceanside, Arroyo Grande, San Luis Obispo, Bakersfield, Fresno, San Jose, Ventura, and Santa Clarita. MKN strongly believes in and understands the importance of balancing work and personal life. Our recent awards, from Great Place to Work and Zweig Top Firms, are a testament to this value and the support we provide to our fellow team members. Our collaborative work environment and inclusive operating philosophy allow us to maintain a positive work culture while providing excellent service to our clients. Primary Function: Lead and support projects focused on water and wastewater systems. This role will play a critical part in delivering innovative engineering solutions, ensuring regulatory compliance, and contributing to sustainable water and wastewater infrastructure projects. Primary Duties: Lead the planning, design, and management of water and wastewater treatment facilities, distribution systems, and collection systems. Conduct feasibility studies, prepare technical reports, and provide recommendations for infrastructure improvements. Develop detailed engineering designs, calculations, specifications, and cost estimates. Manage and mentor junior staff, providing technical guidance and professional development support. Coordinate and collaborate with clients, stakeholders, and regulatory agencies to ensure project alignment with objectives and compliance with local, state, and federal regulations. Perform site assessments, inspections, and evaluations to identify project needs and potential challenges. Prepare proposals, budgets, schedules, and project scopes in alignment with organizational goals and client requirements. Education and Experience Requirements: Bachelor’s degree in Civil, Environmental, or related Engineering field (Master’s preferred). Professional Engineer (PE) license required, or ability to obtain within 6 months. 7 years of experience in water and wastewater engineering, with a proven track record in project design and management. Strong knowledge of water and wastewater treatment processes, hydraulic modeling, and infrastructure systems. Collaborative approach to leading and working within diverse, multidisciplinary project teams Familiarity with applicable codes, standards, and regulatory requirements. Proficiency in engineering software tools such as AutoCAD, Civil 3D, and hydraulic modeling software (e.g., WaterCAD, SewerCAD). Excellent communication, leadership, and problem-solving skills. Ability to manage multiple priorities and meet deadlines in a fast-paced environment. Compensation and Benefits: Compensation is based on experience and qualifications. The salary range for this position is $120,000 to $160,000. The firm offers a competitive salary and benefits, and most importantly, an opportunity for engagement and support from an engineering team that has led major regional and national water resource projects. Why Ardurra? While Ardurra offers competitive compensation and rich benefits programs, it is our culture that truly sets us apart from our peers. We nurture a family-like culture, striving to create a work environment that is enjoyable, challenging and rewarding but also fun. We are acutely focused on developing our staff, whether through our internal Ardurra Academy or through our industry-leading Leadership program. We have made a deliberate and focused commitment to nurture a people-centric culture where people are: valued as individuals; supported in their professional and career development with multiple, varied career paths; provided the tools and resources to be successful, engaged, and satisfied in their work; and positive benefits, time-off programs, and flexibility to help maintain a healthy balance between work and home. Ardurra is an Equal Opportunity/ Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, protected veteran status, gender identity or sexual orientation. NOTICE TO THIRD PARTY AGENCIES: Ardurra does not accept unsolicited resumes from recruiters or employment agencies. In the absence of a signed Agency Agreement, Ardurra will not consider or agree to payment of any referral compensation or recruiter fee. If a resume or candidate is submitted to any hiring manager without a previously signed agreement, Ardurra reserves the right to pursue and hire those candidate(s) without any financial obligation to the recruiter or agency. These candidates will be considered property of Ardurra. We’re not currently looking to add any more agencies to our list of approved vendors, so please do not contact any of our managers or recruitment team with sales calls or details of your candidates. LI-LN1

Keywords: Ardurra Group, Inc., Ceres , Senior Engineer - Water/Wastewater, Engineering , Fresno, California