Alarm Optimisation Technical Assistant

South West Water; Greater London; On-site; GBP 30,000 - 42,000; Full time

Benefits offered by this job

Generous holiday allowance

Bonus

Competitive Pension

Share-save Scheme

Health benefits

Wellbeing support

Group Discounts

Cycle to Work Scheme

Financial support services

Job summary

South West Water is seeking an Alarm Optimisation Technical Assistant to support a major rationalisation programme across all Sewage Pumping Stations and Sewage Treatment Works. The role is fixed-term (1 year SPS phase, then 1 year STW phase) with potential extension based on project outcomes and future needs.

The role focuses on reviewing, labelling, and optimising alarms in the SCADA system, with data analysis, documentation, and engagement with operational teams to ensure alarms are

Qualifications

• HNC/HND or equivalent in Engineering, Environmental Science, CS or Information Systems.
• Strong analytical and data management skills.
• Experience working with SCADA systems or similar industrial control systems.
• Proficiency in Microsoft Excel, Power BI, and data visualisation tools.
• Excellent attention to detail and documentation accuracy.
• Strong communication and stakeholder engagement abilities.

Responsibilities

• Extract, review, and validate alarm configuration data using SCADA, Asset Data Portal, and other systems.
• Assist with the application of Alarm Prioritisation, Labelling, and Optimisation processes.
• Document configuration changes and ensure alignment with technical and operational standards.
• Produce clear, accurate reports on alarm distribution, nuisance alarms, and action rates.
• Identify anomalies and elevate technical issues to the OT Technician or Alarm Optimisation Manager.
• Provide administrative and technical support during workshops, site reviews, and training sessions.
• Maintain clear communication with Control Room and field operations staff regarding rationalisation progress.
• Maintain accurate project documentation, databases, and audit trails.
• Contribute to lessons learned and continuous improvement initiatives.

Skills

SCADA systems

Data analysis

Communication

Documentation

Data management

Attention to detail

Education

HNC/HND or equivalent in Engineering/Environmental Science/Computer Science/Information Systems

Tools

Power BI

Datamart

Strumap

Excel

Job description

Powered by Water, Driven by Purpose South West Water keeps the South West flowing with safe, reliable drinking water and wastewater services across some of the UK's most stunning landscapes. We're proud to be part of Pennon Group, a leader in the UK water sector, working towards a greener future. Our goals? As well as lowering our carbon footprint, we're working with partners to plant 300,000 trees, restore peatlands and supporting farmers and landowners to improve water quality and wildlife. Whether you're starting out or seeking a new challenge, our scale and ambition create opportunities for you to shape your own career. Ready to make a splash? Join our team today.

A unique opportunity has arisen for an Alarm Optimisation Technical Assistant to support the delivery of a major rationalisation and optimisation programme across all Sewage Pumping Stations (SPS) and Sewage Treatment Works (STW). The role is being offered on a fixed-term (initial 1-year SPS phase, followed by 1-year STW phase), with potential for extension based on project outcomes and future rationalisation needs.

About this role:

To role will support the delivery of the Alarm Rationalisation Project across all Sewage Pumping Stations (SPS) and Sewage Treatment Works (STW). The role focuses on reviewing, reprioritising, labelling, and optimising configured alarms in the SCADA system in line with the Alarm Philosophy and EEMUA standards. The Technical Assistant will play a key role in data analysis, documentation, reporting, and engagement with operational teams to ensure alarm handling is simplified, consistent, and effective.

What you'll be doing:

• Data & Technical Support -Extract, review, and validate alarm configuration data using SCADA, Asset Data Portal, and other systems.
• Assist with the application of Alarm Prioritisation, Labelling, and Optimisation processes.
• Document configuration changes and ensure alignment with technical and operational standards.
• Reporting & Analysis - Use tools such as Power BI, Datamart, and Strumap to support performance tracking and reporting.
• Produce clear, accurate reports on alarm distribution, nuisance alarms, and action rates.
• Identify anomalies and elevate technical issues to the OT Technician or Alarm Optimisation Manager.
• Stakeholder Support -Provide administrative and technical support during workshops, site reviews, and training sessions.
• Liaise with Waste Area and Treatment/Pump Managers to gather site‑specific information.
• Maintain clear communication with Control Room and field operations staff regarding rationalisation progress.
• Project Delivery - Support the delivery of rationalisation milestones across SPS and STW sites.
• Maintain accurate project documentation, databases, and audit trails.
• Contribute to lessons learned and continuous improvement initiatives.

What we are looking for:

• HNC/HND or equivalent experience in a relevant technical discipline (e.g., Engineering, Environmental Science, Computer Science, Information Systems).
• Strong analytical and data management skills.
• Experience working with SCADA systems or similar industrial control systems.
• Proficiency in Microsoft Excel, Power BI, and data visualisation tools.
• Excellent attention to detail and documentation accuracy.
• Strong communication and stakeholder engagement abilities.

We know that the support and commitment of our staff is key to our success so you will receive the opportunity for ongoing development and training for a long-term career with us. We're one of the largest companies in the South West and are proud to have been awarded Investors in People recognition. In return, we offer an excellent range of benefits including:

• Generous holiday allowance plus bank holidays
• A discretionary Bonus
• Competitive Contributory Pension
• Share-save Scheme
• Various health benefits
• Wellbeing support programmes
• A range of Group Discounts
• Cycle to Work Scheme
• Financial support services
• And plenty more!

Closing Date: 23rd September 2026

Please note that the successful candidate will be subject to a mandatory DBS check as part of the onboarding process.

Be yourself, we like it that way. Together, we will build a culture of belonging, where inclusion is instinctive. Diversity is our strength and a reflection of our communities. We care, we value everyone, we celebrate uniqueness.

Our core values which are essential to our success are:

• Be Rock Solid - Build trust and be trusted. Be the one we all look to and can depend on.
• Be You - We want you to bring your best everyday. Be yourself and make your mark in your individual way.
• Be the Future - Embrace change. Drive Progress. Own the challenge.

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