Design Assistant Jobs in Waco, TX (NOW HIRING)

STV is seeking a Water/Wastewater Engineer / Assistant Project Manager to join our growing Water practice in Waco, Texas. This role is ideal for a licensed PE with approximately 6+ years of experience who is ready to take the next step in project management while continuing to contribute technically to municipal water and wastewater projects.

The selected candidate will support the planning, design, and delivery of water and wastewater infrastructure projects, including treatment, conveyance, lift stations, pump stations, pipelines, and related civil infrastructure. This position will work closely with senior project managers and technical leaders while assisting with client coordination, design oversight, schedule management, and project delivery.

Key Responsibilities

• Support the planning, design, and delivery of municipal water and wastewater infrastructure projects.
• Serve as a technical lead or design engineer on water/wastewater projects, including pipelines, pump stations, lift stations, treatment facilities, and utility improvements.
• Assist project managers with scope, schedule, budget tracking, staffing coordination, and client communication.
• Prepare and review engineering reports, technical memoranda, construction plans, specifications, cost estimates, and permit applications.
• Coordinate with internal design teams, subconsultants, clients, contractors, and regulatory agencies.
• Support quality control reviews and ensure project deliverables meet STV standards and client requirements.
• Participate in client meetings, project status updates, and design coordination meetings.
• Assist with construction phase services, including RFIs, submittal reviews, site visits, and field observations.
• Support business development efforts through proposal input, project approach development, and client relationship support.
• Mentor junior engineers and EITs by providing technical guidance and review.

Required Qualifications

• Bachelor's degree in Civil, Environmental, or related Engineering discipline.
• Professional Engineer license in Texas
• Approximately 6+ years of experience in water/wastewater engineering.
• Experience with municipal water and wastewater infrastructure design.
• Working knowledge of project delivery, design standards, permitting, specifications, and construction documents.
• Strong communication, organization, and coordination skills.
• Ability to manage multiple tasks and support project delivery in a deadline-driven environment.
• Experience working with municipalities, water districts, or public sector clients preferred.

Preferred Qualifications

• Experience with water/wastewater pipelines, lift stations, pump stations, treatment plant improvements, or utility rehabilitation projects.
• Prior experience supporting project management responsibilities such as budgets, schedules, client updates, and team coordination.
• Familiarity with TCEQ requirements and Texas municipal utility standards.
• Experience with AutoCAD Civil 3D, hydraulic modeling, or related design software.
• Interest in growing into a full Project Manager role.

Compensation Range:

STV offers the following benefits Health insurance, including an option with a Health Savings Account Dental insurance Vision insurance Flexible Spending Accounts (Healthcare, Dependent Care and Transit and Parking where applicable) Disability insurance Life Insurance and Accidental Death & Dismemberment 401(k) Plan Retirement Counseling Employee Assistance Program Paid Time Off (starting at 16 days) Paid Holidays (9 days) Back-Up Dependent Care (up to 10 days per year) Parental Leave (up to 80 hours) Continuing Education Program Professional Licensure and Society Memberships

STV is committed to paying all of its employees in a fair, equitable, and transparent manner. The listed pay range is STV's good-faith salary estimate for this position. Please note that the final salary offered for this position may be outside of this published range based on many factors, including but not limited to geography, education, experience, and/or certifications.

Not sure this role is the perfect match? We encourage you to apply if STV's work and values resonate with you. We know great candidates don't always meet every qualification, and research shows women and people of color are less likely to apply unless they do. At STV, we believe strong talent comes from a wide range of backgrounds, and your skills and experience may align with this or another opportunity as we continue to grow.