Project Engineer I/II - Water/Wastewater

Gonzalez Companies, LLC; Dayton (OH); On-site; USD 60,000 - 75,000; Full time

Benefits offered by this job

Competitive salary

Major medical, dental and vision insurance

Flexible Spending Account

Health Savings Account

401K

Bonus program

Paid holidays and generous paid time off

Professional development

Job summary

A leading engineering firm is seeking a Project Engineer I/II in Dayton, OH, for the water and wastewater sector. This entry-level role involves assisting in planning and designing infrastructure and requires a Bachelor's degree in a relevant field. Candidates should have strong analytical and communication skills along with familiarity with hydraulic modeling tools. The position offers a competitive salary and benefits such as medical insurance, 401K, and professional development opportunities.

Qualifications

• 0–4 years of experience in water/wastewater design, permitting, or construction support.
• Ability to obtain EI/EIT certification within 12 months; PE track preferred.
• Basic understanding of pump systems, process equipment, and utility design.

Responsibilities

• Assist in the planning, design, and analysis of water and wastewater treatment facilities.
• Prepare engineering calculations, technical reports, design drawings, and specifications.
• Conduct field investigations and site assessments.

Skills

Water/Wastewater design

Hydraulic modeling tools

AutoCAD

Communication skills

Organizational skills

Education

Bachelor’s degree in Civil, Environmental, or related engineering field

EI/EIT certification

Tools

WaterGEMS

SewerGEMS

Civil 3D

Job description

Project Engineer I/II – Water/Wastewater
Location: Dayton, OH

Gonzalez Companies is a partner‑managed firm that provides comprehensive Planning, Design, and Construction Management Services to large and small Water, Sewer and Utility Districts, Departments of Transportation, and municipalities. We are currently seeking a Project Engineer (I/II) – Water/Wastewater to help serve our clients and community. If you’re hungry for knowledge, ready to make a difference, and dedicated to providing personalized attention to our clients, we want you on our team.

Responsibilities

• Assist in the planning, design, and analysis of water and wastewater treatment facilities, pump stations, pipelines, and related infrastructure.
• Prepare engineering calculations, technical reports, design drawings, and specifications under guidance from senior engineers.
• Perform hydraulic modeling for water distribution and sewer collection systems.
• Conduct field investigations, site assessments, and occasional construction observation.
• Support project scopes, cost estimates, schedules, and proposals.
• Coordinate with multidisciplinary teams to integrate project design elements.
• Review design standards, regulatory requirements, and permitting needs.
• Participate in client and internal project meetings; communicate technical information clearly.
• Support quality control processes and ensure adherence to company and industry standards.

Qualifications

• Bachelor’s degree in Civil, Environmental, or related engineering field.
• EI/EIT certification required or ability to obtain within 12 months; PE track preferred.
• 0–4 years of experience in water/wastewater design, permitting, or construction support.
• Familiarity with hydraulic modeling tools (WaterGEMS, SewerGEMS, InfoWater, SWMM, etc.).
• Proficiency with AutoCAD or Civil 3D; experience with BIM/Revit is a plus.
• Basic understanding of pump systems, process equipment, and utility design.
• Strong analytical, organizational, and communication skills.
• Ability to work collaboratively in a team environment and manage multiple tasks.

Benefits

• Competitive salary
• Major medical, dental and vision insurance
• Flexible Spending Account
• Health Savings Account
• 401K
• Bonus program
• Paid holidays and generous paid time off
• Professional development
• A team of creative and talented individuals to work alongside

Equal Opportunity Employer
Gonzalez Companies, LLC provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.

Seniority level: Entry level
Employment type: Full‑time
Job function: Engineering and Information Technology
Industry: Civil Engineering