Senior SME WWTP Manager

About Mace and the Project

Mace combines construction expertise with consultancy to deliver projects and redefine ambition. The company is a delivery partner for one of the largest programs in Saudi Arabia, located in Riyadh. This unique project involves major mixed-use development, including sports facilities, entertainment, arts, and associated infrastructure. Mace is seeking high-calibre and experienced professionals to lead integrated teams throughout each project phase.

The Role of Senior SME WWTP Manager

The Senior SME WWTP Manager will act as the Subject Matter Expert (SME) for all Wastewater Treatment Plant (WWTP) assets across the program. This full-time role involves providing technical leadership throughout the design, construction, commissioning, and handover phases of these critical infrastructure projects. The position requires 5-10 years of experience.

Key Responsibilities

• Acting as the Subject Matter Expert (SME) for all Wastewater Treatment Plant (WWTP) assets across the program, providing technical leadership throughout design, construction, commissioning, and handover.
• Reviewing and assuring wastewater treatment process designs, including biological treatment, tertiary treatment, sludge handling, odour control, and TSE reuse systems.
• Leading technical reviews of consultant and contractor deliverables to ensure compliance with project requirements, regulations, and international best practices.
• Providing expert advice on treatment technologies such as MBR, MBBR, SBR, activated sludge, and advanced wastewater reuse solutions.
• Supporting the utilities and infrastructure teams in managing technical risks, resolving complex engineering issues, and developing mitigation strategies.
• Overseeing construction quality, testing, commissioning, and performance validation activities to ensure facilities achieve operational and regulatory requirements.
• Coordinating with designers, contractors, operators, utility providers, and client stakeholders to ensure seamless integration of WWTP assets within the wider development.
• Reviewing technical submittals, method statements, RFIs, commissioning plans, and handover documentation.
• Supporting operational readiness activities, including O&M strategy development, operator training requirements, and asset handover to end-users.

Qualifications and Experience

• Degree qualified in Civil, Environmental, Chemical, or Water Engineering, with significant experience delivering wastewater and water infrastructure projects.
• Proven expertise in the design, delivery, commissioning, and operation of large-scale WWTP facilities.
• Strong technical knowledge of wastewater treatment, TSE reuse, sludge management, and utility integration.
• Experience within PMC, Client, Delivery Partner, or Programme Management environments on major infrastructure programs.
• Excellent stakeholder management skills, with the ability to influence and collaborate across complex project teams.
• Ability to meet necessary visa criteria for the Kingdom of Saudi Arabia and possess relevant work experience on high-valued projects/programs for a project management consultancy business, as required for immigration and client approval.

Work Location

This role is based in Riyadh, Saudi Arabia, and is a full-time position within a dynamic project environment.