Drainage Manager Jobs (NOW HIRING)

We are seeking a highly motivated and experienced Drainage Engineer with an active Florida Professional Engineer (PE) license to join our growing transportation and infrastructure team. This position will play a key role in the planning, analysis, design, and delivery of drainage and stormwater management projects throughout Florida. The ideal candidate will have experience supporting roadway, highway, municipal, and transportation projects, with a strong understanding of Florida drainage criteria and permitting requirements.

This role offers the opportunity to work on complex infrastructure projects while collaborating with multidisciplinary teams to develop innovative and sustainable drainage solutions.

Key Responsibilities

• Lead and perform drainage engineering analyses and design for transportation, municipal, and land development projects.
• Prepare drainage reports, calculations, plans, specifications, and supporting technical documentation.
• Design stormwater management systems, culverts, retention/detention facilities, conveyance systems, and roadway drainage infrastructure.
• Conduct hydrologic and hydraulic modeling using industry-standard software.
• Coordinate with project managers, roadway engineers, environmental specialists, and regulatory agencies.
• Prepare permit applications and support agency coordination efforts with:
• Florida Department of Transportation (FDOT)
• St. Johns River Water Management District (SJRWMD)
• South Florida Water Management District (SFWMD)
• Local municipalities and regulatory agencies
• Ensure project deliverables comply with FDOT standards, Florida regulations, and client requirements.
• Provide technical guidance and mentoring to junior engineering staff.
• Participate in client meetings, project presentations, and business development activities.
• Support project budgeting, scheduling, and quality control efforts.

Required Qualifications

• Bachelor's degree in Civil Engineering from an accredited university.
• Active Professional Engineer (PE) license in the State of Florida, or ability to obtain Florida PE through reciprocity within a reasonable timeframe.
• 5+ years of drainage engineering experience supporting transportation, municipal, or civil infrastructure projects.
• Strong knowledge of:
• FDOT Drainage Manual
• FDOT Design Manual (FDM)
• Florida stormwater regulations
• Water management district permitting requirements
• Experience preparing drainage reports and hydraulic/hydrologic calculations.
• Proficiency with one or more of the following:
• ICPR
• HEC-RAS
• HY-8
• GeoHECRAS
• MicroStation
• AutoCAD Civil 3D
• Strong communication, organization, and problem-solving skills.
• Ability to manage multiple projects and deadlines simultaneously.

Preferred Qualifications

• 8+ years of drainage design experience in Florida.
• FDOT project experience.
• Experience as Engineer of Record (EOR) for drainage design components.
• Knowledge of resiliency, flood mitigation, and coastal stormwater design.
• Prior experience leading project teams and coordinating with clients.

Orlando or Jacksonville area residency preferred.

General Characteristics

• Applies broad knowledge of principles and practices in a specific practice area.
• Independently evaluates, selects, and adapts standard techniques, procedures, and criteria.
• Leads tasks and projects of moderately complex scopes.
• Develops plans, specifications, and other project documents.
• Selects appropriate principles of engineering economics, and probability and statistics to analyze risk in a complex engineering problem.

Minimum Years of Experience

• 8+ Years of Experience

Education

• B.S. or M.S. Engineering

Certification/Licensure

• Professional Engineer (P.E.) License, reciprocity in multiple states.

Technical Responsibilities

• Develops and reviews complete project documents for conformity and quality assurance.
• Keeps informed of updates to standards, regulations, and best practices.
• Analyzes complex engineering projects to determine design requirements, uncertainties, and constraints.

Project and Task Management

• Assigns tasks to other technical and non-technical staff.
• Predominantly plans and coordinates detailed aspects of the engineering work.
• Prepares scopes, budgets, and schedules for assignments.
• Assists with proposals to provide professional services or obtain funding for engineering projects or projects.

Management Responsibility

• Receives supervision and guidance relating to overall objectives, critical issues, new concepts, and policy matters.
• Receives direction on unusual conditions and developments.
• Mentors' direct reports and other engineers.
• Demonstrates professional attitudes relevant to the practice of engineering, including creativity, curiosity, flexibility, and dependability.

Communication Skills

• Possesses advanced oral and written communication skills, including interpretation of complex technical and contractual language.
• Considers the needs of diverse project stakeholders.
• Leads project meetings and represents the organization in communications pertaining to broad aspects of engineering assignments.
• Analyzes and selects principles of formal communication, effective teamwork, and various pathways to developing leadership.

Why GAI?

GAI offers an exceptional place to do meaningful work, grow your career, and make a real impact in communities nationwide. You'll join a collaborative, multidisciplinary firm bringing together engineering, planning, and environmental expertise to deliver projects across transportation, infrastructure, power, and energy markets. Working alongside accomplished colleagues, you'll help move projects from vision through construction, creating solutions that keep people moving, power essential systems, and support responsible development.

At GAI, you'll work in a team-driven environment grounded in integrity, respect, and shared success, with the flexibility, resources, and career support that reflect a real and lasting commitment to our people. That commitment includes comprehensive benefits, wellness programs, and employee discounts. With opportunities across the U.S., GAI offers the collaboration and client focus of regional teams, supported by the stability, resources, and career-development opportunities of an established and growing firm.

Benefits To Working at GAI Include:

Competitive Pay & Recognition

• Market based, competitive compensation
• Performance driven recognition and development bonuses

Comprehensive Health & Wellness

• Medical, dental, and vision plans
• Company-paid short-term and long-term disability
• Company-paid life insurance
• Employee Assistance Program and wellness resources

Meaningful Work-Life Balance

• Generous paid time off + 7 paid holidays
• An additional floating holiday-use it for what matters to you
• Paid maternity, paternity, and adoption leave

Growth, Learning & Financial Security

• 401(k) with company match
• Tuition reimbursement
• Support and rewards for professional development and certifications

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