Senior / Principal Drainage Engineer in Mold

About Pell Frischmann Pell Frischmann is a specialist advisory and technical consultancy operating across the built and natural environment, helping to shape a better future for the communities in which we work. We offer consultancy services, with access to specialist sister companies and partners, to support both public and private-sector clients. We work across sectors encompassing buildings, infrastructure, and regeneration.

Main Purpose of the Job Based in our Luton office, you’ll join a hardworking and expanding team of Transport & Infrastructure Engineers and Consultants. As part of a national, multidisciplinary Transport & Infrastructure team, you’ll collaborate with colleagues across the country to deliver high‑quality outcomes and uphold our core business values. This cross‑office approach gives you exposure to a wide range of projects, clients, and technical challenges.

Your role will involve preparing detailed designs, feasibility studies, and scheme reports across this varied project portfolio. You’ll also have the opportunity to take on responsibilities such as project management, budgeting, cost estimating, and producing bills of quantities—giving you genuine breadth and progression in your day‑to‑day work. Strong planning, scheduling, and time‑management skills will be essential, as you will be trusted to manage your workload and deliver to deadlines. You will also play an important part in supporting and guiding junior team members, helping them grow while ensuring consistent, high‑quality project delivery.

Main Duties And Responsibilities:

• Implement project requirements to fully meet the client brief in accordance with relevant standards
• Collate project information, liaise and engage with clients and third parties as required
• Supervise site‑based projects as required
• Assist / lead with project delivery & supervise and delegate to more junior members of staff and others as required
• Review and approve your own work and that of others, including third‑party design proposals
• Collaborate effectively within an established team and contribute to a positive team culture

What Qualifications, Experience & Skills are required?

Qualification:

• BEng in Civil Engineering (or equivalent)

Experience:

• 3+ years experience as a civil engineer in the design of civil projects and drainage design in residential and commercial projects
• Good working knowledge of software such as Microdrainage, Causeway Flow, AutoCAD
• Detailed knowledge of drainage design standards, construction practices, asset management, and relevant legislation
• Experience preparing drainage strategies, FRA’s S104/S106 Agreements
• Understanding of Health and Safety including CDM responsibilities
• Day‑to‑day management and leadership of project design, overseeing designs produced by consultants and managing input from other disciplines
• Excellent interpersonal, written and verbal communication skills
• Client liaison and management
• Experience in managing project workloads, finances, and ensuring compliance with briefs and financial constraints
• Utility coordination and clash detection
• Experience mentoring and developing less experienced staff, and the ability to build effective working relationships

Skills:

• The ability to work under pressure, with good organisational skills and the ability to plan, organise and manage a complex workload, with shifting deadlines to meet specific targets
• Experience of working in a complex fast‑paced design and project/programme management environment, ideally in infrastructure or a related field and evidence of delivering sustainable results in a large organisation
• Strong analytical and problem‑solving skills to identify and deliver outcomes‑focused solutions to complex situations
• Ability to design highway engineering solutions, analyse complex information, and use relevant software for modelling and analysis
• Development of Highways Specifications Civils 3D
• Good experience of drainage design and use of analytical modelling tools
• Clear, confident, and enthusiastic communication skills, both written and oral, to explain complex data to non‑specialist audiences and stakeholders
• A commitment to continuous professional development and embodying organisational values and behaviours

Why Pell Frischmann? We are one of the UK’s most influential and highly respected firms of infrastructure and built environment professionals. We provide a collaborative and supportive working environment, where you’ll have the freedom and flexibility to create your own pathway and make a real impact within the business and in the communities in which you will operate. We’ll support your ongoing personal and professional development as your career progresses, allowing you to reach your full potential. We are committed to providing equal opportunities for all, welcoming applications from all backgrounds and are delighted to be part of the government’s Disability Confident Scheme. We’re happy to talk about flexible working and are committed to promoting the wellbeing of all our employees.