Job Description

We're making a difference: Together, we can ensure that there is enough water for everyone, now and in the future.

Portsmouth Water are looking for a proactive individual to aid in the design, development, and optimisation of Operational Technology (OT) solutions across our Production assets. This role involves close collaboration with managers, process scientists, production teams, technicians, and both internal and external stakeholders. The successful applicant will lead the delivery of eCAF technical objectives, improvements in site connectivity, cyber security, and NIS compliance.

What will you be doing?

Key Responsibilities

Lead the eCAF project delivery tasks by designing, installing and commissioning OT network and control upgrades and improvements. Commissioning Production and Investment OT works to CAF compliant standards where required. Change control of electronic documents, software packages, PLC/HMI/SCADA/GeoSCADA files. Complex fault finding and troubleshooting on Industrial Control and Automation Systems (ICAS). Delivering training, coaching and mentoring to EICA and OT Engineers. Design and develop OT cyber security and systems solutions. Installation of systems to architecture drawings. Configuration of managed switches and firewalls. Design, test and commission smart MCC control sections. Security improvements including building and maintaining Domain Controllers, Active Directory etc. Implement and maintain disaster recovery and change control systems. Upgrade and optimise OT assets. Develop project documentation for project lifecycle Develop Standard Operating Procedures for OT installations

What do you need?

Skills, Qualifications & Competencies

Expert understanding of Industrial Control Systems Advanced understanding of process instrumentation Expert understanding of hardwired control circuitry Expert in PLC, SCADA and HMI design/modification Expert in Schneider, Rockwell and Wonderware applications Experienced in Telemetry configuration Experienced in OT communication protocols Experienced in configuration and management of intelligent security devices and virtualised environments. Working to and developing project/engineering documentation Advanced understanding of OT network architectures A degree in Electronic Engineering/Control Systems Engineering A recognised OT cyber security qualification is desirable BS7671 18th Edition is desirable IOSH Managing Safely is desirable


We recognise people want to work in a variety of different ways, this means we are happy to consider flexible working arrangements. Please talk to us at the interview about the flexibility you may want.



We support equality, diversity and inclusion and encourage applications from all sections of society. The Company has a responsibility to ensure that all employees are eligible to work and live in the UK.



Due to the high volume of applications received we are unable to respond to unsuccessful candidates. If your application is of interest to us, we will normally contact you within 4 weeks of receiving your application.