Senior Water Resources Engineer

Creativity. Innovation. A desire to effect positive change. That's what it takes to work at Fuss & O'Neill – because that's what we do for the communities in which we work: we create, innovate, and design long-lasting improvements that improve quality of life. Quality of life is also important on the job, so we've prioritized work-life balance by offering flexible/remote work opportunities, part-time benefits, and generous PTO. We believe that each day is an opportunity to support one another, to support our clients, and to support our communities. If you feel the same, then you've found your future.

Fuss & O'Neill is seeking a Senior Water Resources Engineer to join our Manchester, NH office. This is an exciting opportunity for an experienced engineer to lead technically challenging and impactful projects focused on climate resilience, water quality, and ecological restoration.

You will be part of a collaborative team delivering creative, sustainable solutions to water-related challenges — from flood mitigation and stormwater management to stream and shoreline restoration. As a technical expert and mentor, you'll guide engineers and scientists in hydrologic and hydraulic modeling, design, and permitting, while ensuring our clients receive exceptional quality and service.

• Lead, plan, and oversee all phases of water resources projects including - flood response and mitigation, stormwater and watershed management, stream and river restoration, bank and shoreline stabilization, and dam repairs and removals
• Conduct hydrologic and hydraulic analyses/design using software such as HEC-RAS, HEC-HMS, and PC-SWMM
• Perform bridge and culvert scour analyses and design stormwater infrastructure improvements
• Develop project scopes, schedules, fees, and budgets, ensuring high-quality deliverables that meet client expectations
• Prepare design plans, cost estimates, specifications, and technical reports
• Support the development of regulatory permits and funding applications; including local, state, and federal submittals
• Mentor and provide technical guidance to junior engineers in hydrologic and hydraulic modeling, design, and project execution
• Collaborate with internal and external partners, including clients, municipalities, and regulatory agencies
• Contribute to business development efforts by identifying opportunities, preparing proposals, and maintaining strong client relationships

• Bachelor's degree or higher in Civil, Environmental, or Water Resources Engineering required
• Professional Engineer (PE) license, or the ability to obtain within one year
• 8–10 years of progressive experience in water resources engineering
• Strong hydrologic and hydraulic modeling skills with experience using HEC-RAS, HEC-HMS, and/or PC-SWMM
• Proficiency with AutoCAD/Civil 3D and the Microsoft Office Suite
• Experience developing and submitting local, state, and federal permit applications and grant materials
• Excellent technical writing and communication skills
• Strong understanding of industry regulations, codes, and standards
• Proven ability to provide technical mentorship and collaborate across disciplines
• Occasional travel to client sites within New England (10%)

This is a hybrid role, offering the best of both worlds—collaborate in-office with a high-performing team and enjoy the flexibility of working remotely part of the week. We're committed to supporting work-life balance while maintaining strong team connection and project delivery.

• Schedule Flexibility: Customize your work schedule to fit your life.
• Health & Wellness: Comprehensive health benefits to keep you and your family healthy.
• Continuous Learning: Access to online courses, conferences, and learning materials to fuel your professional growth.
• Paid Time Off: Take the time you need to recharge with our generous paid time off policy.
• Career Advancement: Clear paths for promotions and the opportunity to take on new challenges.
• Fun Team Culture: Regular team-building activities, happy hours, and company outings.

Visa sponsorship is NOT available for this position

All offers are contingent upon a successful criminal background check. Fuss & O'Neill, Inc. is proud to be an Affirmative Action/Equal Opportunity Employer. Fuss & O'Neill participates in the Federal e-Verify program.

Fuss & O'Neill is a civil and environmental engineering firm that provides client-specific, forward-thinking, and holistic solutions. Since 1924, we have made it our mission to improve the built and natural environments in response to our public and private clients' evolving needs.

Stage 1: Applied

Stage 2: Initial Screening

Stage 3: 1st Interview

Stage 4: Offer

Stage 5: Hired