Senior Stormwater Engineer
Confirmed on the employer's own hiring board on Oct 12, 2026. First seen by Alion on Oct 3, 2026.
Overview
Carollo Engineers is an internationally recognized environmental engineering firm that specializes in the planning, design, and construction of water and wastewater facilities. We are seeking an Architect with interest in the impact architecture can make in the water and wastewater industry to join our Phoenix based team.
At Carollo you’ll make an impact at an organization that does meaningful work, fosters a collaborative team culture, and creates a diverse, inclusive environment where you feel like you belong. You’ll work alongside a collaborative and dynamic team of professionals that is truly passionate about our work. Carollo’s vision is to be the BEST water consulting firm and you’ll find that Carollo is also the best place for you to build your career. You will be a key contributor across all phases of design from early concepts through detailed documentation and construction.
Responsibilities
- Serving in the role of senior project engineer or assistant to a project manager.
- Validating model assumptions and outputs with field data, interpreting and analyzing modeling results, as well as identifying and troubleshooting discrepancies during model validation.
- Translating complex modeling results into actionable insights for planning, design, and stakeholder decision-making through technical memoranda, master plan reports or presentations.
- Maintaining a customer-oriented mindset from project start to delivery.
- Supporting development of work proposals, including scopes of work and fee estimates for modeling projects.
Qualifications
- Bachelor’s degree in Civil or Environmental Engineering
- Strong expertise in hydrology and hydraulics, including building and validating models and preparing floodplain maps.
- 8-10 years of experience with stormwater and flood system planning and utilizing commonly used hydraulic modeling software from vendors (e.g., InfoWorks ICM, XPSWMM, etc.) or open-source platforms like HEC-HMS, HEC-RAS, etc.
- Experience leading technical tasks and executing stormwater system assessments that involve capacity analyses, risk & resiliency evaluations, capital and life-cycle cost analyses, and CIP prioritization.
- Intermediate proficiency in ESRI GIS.
- Thrives in a collaborative environment with a willingness to mentor other staff, as well as able to work independently.
Preferred Qualifications
- Professional Engineering Certification in California and/or Hawaii is preferred.
- Master’s degree in Civil/Environmental Engineering is desired, but selection will be based on cumulative project experience and skillset.
- Ability to manage multiple priorities and deadlines.
- Ability to process engineering calculations accurately with minimal oversight and prepare reports.
- Able to mentor junior level staff on modeling and master planning tasks.
- Experience working on Storm Drain Master Plans, flood studies, scour analyses, and regulatory compliance for stormwater are appreciated.
- Experience working on water and wastewater collection systems modeling is a plus.
- Proficiency in AI/ML and data science related scripting tools (e.g., R, Python, etc.) are a plus.
- Familiarity with dynamic data visualization software such as PowerBI is a plus.
- Active participation in professional organizations, local, and nationwide is desired.
- Experience with business development activities including proposal writing, conference abstract submission, and networking is desired.
Compensation Range
$130,000 to $155,000 annually. This is the lowest to highest salary we in good faith believe we would pay for this role at the time of this posting. We may ultimately pay more or less than the posted range, and the range may be modified in the future. An employee’s pay within the salary range will be based on several factors including, but limited to, relevant education, qualifications, certifications, experience, skills, seniority, geographic location, performance, and business or organizational needs.
Other Compensation and Benefits
Carollo is committed to providing employees with a competitive, comprehensive benefits program that provides the support employees and their families need to lead healthy, productive lives. Carollo’s benefits package includes paid time off and holidays, comprehensive health insurance coverage, pre-tax savings account options for healthcare, dependent care and commuter expenses, disability insurance and life insurance options for you and your dependents. We also offer free Caregiver Support, Travel Assistance, counseling services, discount programs, and a Lifestyle Reimbursement Account. Other compensation that may be available includes: 401(k) company contribution matching, tuition reimbursement, discretionary bonuses, career advancement bonuses, professional registration bonuses, employee referral bonuses, and compensatory time for exempt employees. Flexible work arrangements may also be available. Eligibility for benefits varies based on employment status.