Menuka Wijayananda

Chartered Mechanical Engineer with 12+ years of experience in mechanical and MEICA design for water and wastewater infrastructure projects. Experienced in pumping systems, treatment process equipment, chemical dosing, sludge handling, P&IDs, design calculations, specifications, BOQs, and commissioning support. Proven track record delivering projects from feasibility and detailed design through to construction and commissioning.

Full right to work in the UK until February 2028 with no sponsorship required. Based in Glasgow and willing to relocate anywhere within the UK. Currently working towards UK CEng registration.

UK Relocation & Professional Development - Self-directed - Glasgow, UK

(2024-02)

• Relocated to the UK with full right to work and no sponsorship required.
• Continuing professional development in UK water industry standards, design practices, and engineering regulations.
• Actively seeking opportunities in Mechanical Design, MEICA, Water and Wastewater Infrastructure projects.

Senior Mechanical Engineer - National Water Supply and Drainage Board, Sri Lanka - Western Production Regional Support Center, Sri Lanka

(2018-02 - 2024-02)

• Delivered mechanical and MEICA design for water treatment plants, pumping stations and transmission systems including rehabilitation and capacity enhancement projects.
• Developed and reviewed P&IDs, GA drawings, mechanical layouts, technical specifications, BOQs and design calculations for treatment process systems.
• Performed hydraulic calculations, intake and pumping system design, pump sizing and pipework design for water infrastructure projects.
• Designed pumping, intake, chemical dosing and sludge handling systems including equipment selection and integration.
• Prepared technical reports, procurement documentation and tender documentation for mechanical systems; liaised with equipment suppliers and manufacturers to review specifications and tender responses.
• Led mechanical design reviews and M&E approval activities and design coordination.
• Delivered FAT, SAT, commissioning and performance verification activities across WTP projects.
• Worked with multidisciplinary teams including process, civil and EICA teams for compliant project delivery.
• Coordinated CAD drawing production including mechanical layouts, schematics and engineering drawings to project standards.
• Managed operation and maintenance of the 74,250 m³/day Kethhena Water Treatment Plant serving approximately 500,000 consumers, supporting long-term asset reliability and operational efficiency.

Mechanical Engineer - National Water Supply and Drainage Board, Sri Lanka - Sabaragamuwa Regional Support Centre, Sri Lanka

(2016-02 - 2018-02)

• Delivered mechanical and process design for water treatment plant rehabilitation, upgrade and new build projects across seven regional facilities.
• Prepared technical specifications, BOQs, P&IDs, mechanical layouts, engineer's estimates and design calculations for treatment systems and pumping infrastructure.
• Designed and sized pumping systems, chemical dosing installations and treatment process equipment for multiple concurrent regional water treatment schemes.
• Performed hydraulic assessments and pump sizing calculations for treatment plant upgrades.
• Led design and delivery of the 7,000 m³/day Eheliyagoda Water Treatment Plant — covering full mechanical design package from P&IDs through to commissioning support.
• Coordinated with contractors, consultants and multidisciplinary engineering teams across civil, electrical and process disciplines during design and project delivery.
• Provided mechanical design input for SCADA-integrated treatment facilities and automated pumping systems.
• Conducted site inspections and technical assessments to inform design decisions and ensure construction compliance with specifications.

Mechanical Engineer - National Water Supply and Drainage Board, Sri Lanka - Greater Ratnapura Water Supply Project, Sri Lanka

(2014-12 - 2016-02)

• Contributed to mechanical design of coagulation, flocculation, sedimentation, filtration and chemical dosing systems for the USD 23.5 million 13,500 m³/day Greater Ratnapura Water Supply Project.
• Provided mechanical designs for pneumatic systems, sludge handling equipment, valves and associated pipework in accordance with project standards.
• Prepared and reviewed design calculations, technical specifications and equipment selection documentation for water treatment and pumping infrastructure.
• Assisted integration of PLC systems, MCC panels and instrumentation supporting electromechanical operation of treatment facilities.
• Gained site-based design knowledge through FAT, SAT, commissioning and construction supervision — directly informing mechanical design decisions.

BSc Eng. - Mechanical and Manufacturing Engineering - University of Ruhuna, Sri Lanka (2011)

PG Diploma - Environmental Engineering and Management - University of Moratuwa, Sri Lanka (2023)