Senior​/Principal Drainage Engineer

Job Description

We are seeking an experienced Drainage Engineer to join our team to address the growing demand for sustainable drainage, coal tip remediation, and flood alleviation schemes in South Wales. You will work closely with ecologists, infrastructure, geotechnical and structural engineers in a multidisciplinary environment that supports community impact.

Working as part of the Infrastructure Drainage team, focused on the delivery of services to Rhondda Cynon Taff, Bridgend and Merthyr Tydfil County Borough Councils, you will support the new contract beginning in April 2025.

• Oversee complex drainage schemes from conception through to delivery.
• Conduct quality assurance checks.
• Develop drainage solutions for highways, infrastructure, and site development schemes through feasibility, planning, tender, detailed design, and construction support.
• Design sustainable drainage systems (SuDS) following current standards and guidelines.
• Ensure health, safety and welfare of yourself and team members.
• Take responsibility for your own personal development and support the development of others.

• Relevant professional qualifications or working towards a professional qualification.
• Strong experience from feasibility to detailed design delivery and oversight compliant with SuDS, CDM
  2015, BIM, and local design specifications.
• Experience with Manual, Sewers for Adoptions, DMRB, Local Design Specifications, and construction support.
• Preparation and approval of contract documents and specifications.
• Clear evidence of successful delivery of projects or programmes meeting quality and commercial targets.
• Skilled in the use of Civil 3D, Causeway Flow, or Micro‑Drainage.
• Knowledge and understanding of the SAB process.
• Ability to discuss and review proposed solutions with contractors, clients and external bodies such as SAB, LLFA, Statutory Undertakers, EA, NRW, etc.
• Experience with construction support, survey supervision, and S19 reports; knowledge of S38/278 highway schemes and S104/106 drainage schemes.

• Hybrid working policy – work from home up to two days a week.
• Focus on work‑life balance with flexible hours and “WSP My Hour” personal time allowance.
• Commitment to inclusivity and belonging – employee resource groups and support for all backgrounds.
• Health & wellbeing support: virtual GP service, Gymflex scheme, and comprehensive menopause support package.
• Opportunities for development and training, including mentorship and chartership pathways.

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.