Senior​/Principal Drainage Engineer

Senior Drainage Engineer – Leeds or Belfast

WSP is seeking a Senior Drainage Engineer with expertise in water, drainage and environmental engineering for transportation infrastructure projects. The role supports clients throughout the UK on high‑profile rail, highway, local authority and aviation projects, delivering drainage designs from concept to detail.

• Delivery of a wide variety of civil engineering projects, such as highway, rail, infrastructure and site development schemes.
• Delivery of projects from concept through to completion, ensuring they are delivered to a high technical standard, in a timely manner and with commercial success.
• Delivering a broad range of drainage services for the most significant transport and infrastructure projects in the UK.

• Lead client relationships and attend client progress meetings.
• Manage a team of drainage engineers, supporting their technical development and ensuring they are resourced on projects.

The national sustainable water management team is a technical leader in the sector. The successful candidate will become a key part of this team, dedicated to delivering innovative, lasting solutions to the highest‑profile challenges faced by our clients. Clients include HS2, Network Rail, National Highways and local authorities.

• Chartered or Incorporated Engineer and/or degree qualified (role dependent).
• Extensive, proven experience post‑degree in designing sustainable drainage solutions.
• Knowledge and understanding of drainage design principles and solutions to manage infrastructure drainage.
• Experience in the use of Civil 3D and/or Causeway Flow software/Micro Drainage.
• Proven knowledge of relevant technical standards, UK Building Regulations, Design Standards, Codes of Practice and Health & Safety regulations.
• Successful management of projects/programmes and teams to meet both quality and commercial targets.
• Technical experience in one or more of the following areas:
  • Highway Drainage
  • Rail Drainage
  • Airport Drainage
  • Asset Management
  • Foul water
  • Sustainable foul and surface water drainage design
  • Drainage modelling software (Causeway Flow or Micro Drainage)

• Work‑life balance: a hybrid working policy that allows working from home two days a week and collaboration in modern offices.
• Inclusivity & Belonging: a culture that welcomes applicants from varied backgrounds and encourages employees to bring their authentic selves to work.
• Health & Wellbeing: access to a virtual GP service, gymflex scheme, comprehensive menopause support package and reasonable workplace adjustments.
• Flex your time: "WSP My Hour" to take one hour each day for personal activities, with flexibility to make up time.
• Part‑time and flexible arrangements, option to purchase additional leave and use of bank holiday entitlement.

Here at WSP we positively encourage applications from suitably qualified and eligible candidates regardless of sex, race, disability, age, sexual orientation, gender reassignment, religion or belief, marital status, pregnancy or maternity/paternity. As a Disability Confident leader, we will interview all disabled applicants who meet the essential criteria. Please let us know if you require any workplace adjustments in support of your application.