Are you ready to elevate your career with a global leader in infrastructure solving complex problems and generating a positive outcome on people’s lives? At Ferrovial , we are not just a company; we are a community of innovators and trailblazers. Listed on three major stock markets: Nasdaq (US), Euronext Amsterdam (Netherlands) and IBEX 35 (Spain), we are also member of the Dow Jones Sustainability Index and FTSE4Good. We operate in more than 15 countries and have a workforce of over 24,000 professionals worldwide., including Highways, Airports, Construction, and Energy.
Ferrovial Construction is internationally recognized for its capacity to design and build civil engineering and construction projects, mainly in large transportation infrastructure. Its track-record to date includes more than 304 miles of tunnels, 11,930 miles of roads (including 2,485 miles of highways), 2920 miles of railroad lines (including 434 miles of high-speed railroads) and 16,994 miles of road maintenance and repair.
Why Ferrovial?
- Global presence, local impact : Be part of a company that is shaping the future of infrastructure worldwide, with challenging roles and projects that make a real difference.
- Collaborative excellence : Work alongside talented professionals in a collaborative environment where your ideas and contributions are valued.
- Inclusive Culture: Thrive in an innovative and respectful workplace that values every voice, celebrates what makes us unique and turns differences into innovation.
- Career growth : Benefit from global and cross-business unit mobility, with development processes designed to ensure your professional growth.
- Compelling benefits and employee wellbeing : Enjoy a comprehensive benefits package that rewards your hard work and dedication and take advantage of initiatives designed to support your physical and psychological health.
- Productivity tools : Utilize cutting-edge tools like Microsoft Copilot to enhance your productivity and efficiency.
Senior Project Manager – Sewage Treatment Works
Reports to: Project Director
Project: Slough - Extension of an operational sewage treatment plant (STW)
Location: First year in Central London, then in Slough.
Role Summary
We are seeking an experienced Senior Project Manager with a strong background in water/wastewater infrastructure to lead the extension of a live sewage treatment works that must maintain full operations throughout construction.
The candidate will own end-to-end delivery (scope, programme, budget, quality, safety, environmental compliance) while ensuring a seamless coordination with Thames Water’s operational team, strict adherence to Thames Water procedures and standards, and effective management of multidisciplinary engineering and delivery teams (civil, mechanical, electrical, chemical/process).
Key Responsibilities:
- Lead the full project lifecycle from project initiation, design coordination, procurement, construction, commissioning, to handover/closeout.
- Plan and sequence the works to ensure a full coordination with the existing treatment processes, avoiding any unplanned outages, including a meticulously management of the isolations and live interfaces.
- Establish and maintain the Project Execution Plan, programme, cost plan, risk register, and change control in line with client and internal governance.
- Serve as the primary point of contact for Thames Water and their operational representatives; chair progress, risk, and interface meetings.
- Coordinate permits, isolation plans, and method approvals with the Thames Water operational team to safeguard continuity of service and compliance with permit-to-work systems.
- Manage regulatory, statutory, and third-party stakeholders (e.g., local authorities, EA interfaces, utilities).
- Champion a safety-first culture; ensure compliance with CDM Regulations, RAMS, LOTO, confined space controls, temporary works, lifting operations, and process safety protocols.
- Ensure robust environmental management: pollution prevention, odour control, sludge handling, silt and noise/dust management, and wastewater discharge compliance.
- Oversee quality assurance/quality control, ITPs, and documentation to meet client acceptance criteria.
- Coordinate civil, structural, mechanical, electrical, instrumentation & control, and process/chemical engineering inputs; ensure design constructability and operability.
- Oversee integration of M/&E plant, MCCs, SCADA/telemetry, and process tie-ins with live assets, plan staged commissioning and performance testing.
- Own cost performance: forecasting, earned value, change management, early warnings, and contract administration (e.g., NEC forms).
- Lead procurement of subcontractors, OEMs, and long-lead items; manage supplier performance and technical submittals.
- Maintain a realistic, risk-adjusted programme; implement recovery plans as needed.
- Lead commissioning strategy and phased cutovers; ensure robust testing, O&M documentation, training, spares, asset tagging, and clean handover aligned to Thames Water requirements.
- Manage and mentor the project team; allocate resources effectively across planning, engineering, commercial, and site delivery functions.
- Drive high-performance collaboration, clear communications, and proactive issue resolution.
Qualification, skills and experience:
- Degree in Engineering (Civil, Mechanical, Electrical, Chemical/Process, or related discipline).
- Experience delivering water/wastewater infrastructure projects (treatment works, networks, or major AMP frameworks).
- Demonstrable experience delivering construction projects on live/operational sewage treatment plants without service interruption.
- In-depth knowledge of Thames Water procedures, standards, and permit-to-work systems (e.g., isolations, method approvals, operational interfaces, documentation and assurance expectations).
- Proven track record managing multidisciplinary teams (civil, mechanical, electrical, chemical/process) through design, construction, commissioning, and handover.
- Strong H&S leadership with excellent command of CDM Regulations, RAMS, temporary works, and process safety in water environments.
- Solid commercial acumen (NEC contract administration, cost control, risk/change management).
- Excellent stakeholder management, written and verbal communication, and meeting leadership skills.
- IOSH/NEBOSH or equivalent H&S qualification; Temporary Works Supervisor/Coordinator experience (desirable).
- Confined Space appreciation/awareness; LOTO and electrical isolation familiarity in live MCC/controls environments (desirable).
- Experience with SCADA integration, telemetry, OEM process packages, and staged commissioning on live assets (desirable).
- Familiarity with digital delivery tools (BIM, CDEs, Power BI dashboards, document control systems), desirable.
- CSCS (Manager/Professional) or equivalent.
- SMSTS.
- Please note that this job description does not represent a comprehensive list of activities and employees may be requested to undertake other reasonable duties.
Project description
The £80 million upgrade of Slough Sewage Treatment Works for Thames Water will be carried out by Ferrovial Construction and Cadagua, working together as a joint venture. This project aims to improve the resilience and sustainability of Slough STW, ensuring it meets tougher Environment Agency standards and achieves better environmental performance. Improvements include expanded treatment capacity, advanced systems for removing ammonia and phosphorus, upgraded storm-flow management, and robust new power infrastructure. The partnership combines Ferrovial Construction’s expertise in UK infrastructure projects with Cadagua’s broad experience in international water treatment.
Seize the challenge. Move the world together! Innovative, creative, respectful, and diverse are some of the ways we describe ourselves. We are motivated by challenges, and we collaborate across our business units to move the world together. Your journey to a fulfilling career starts here!
Ferrovial is an equal opportunity employer. We treat all jobs applications equally, regardless of gender, color, race, ethnicity, religion, national origin, age, disability, pregnancy, sexual orientation, gender identity and expression, covered veteran status or protected genetic information (each, a “ Protected Class ” ), or any other protected class in accordance with applicable laws.
#WeAreFerrovial
