Cyber Security Analyst

South West Water Limited; Exeter; Hybrid; GBP 35,000 - 45,000; Full time

Benefits offered by this job

Attractive Salary & Benefits Package

Annual Bonus Scheme

Pension Scheme

Hybrid Working

Employee Assistance Programme

Employee Discounts

Annual Leave Allowance

Annual Leave Buy & Sell Scheme

Career Development Opportunities

Job summary

South West Water Limited in Exeter is seeking a Security Design & Engineering Analyst to strengthen cyber security across IT and OT. You will design, implement and improve security controls and translate requirements into practical technical solutions.

In this hybrid role, you’ll work with infrastructure, cloud, networking and governance teams to deliver secure, resilient environments and develop your career in a collaborative, forward-thinking team.

Qualifications

• Experience in Security Engineering or related security domains.
• Hands-on experience implementing, configuring and supporting security technologies.
• Experience translating security requirements into practical solutions.
• Experience managing or supporting vulnerability tooling and reporting.
• Experience conducting security assessments and stakeholder reporting.
• Strong troubleshooting across security tooling and integrations.
• Scripting experience (PowerShell or Python).

Responsibilities

• Configure, implement, integrate and support security technologies up to business as usual.
• Act as SME for designated security platforms and controls, driving improvements.
• Produce technical designs, standards, plans and support docs.
• Translate security requirements into operational controls and procedures.
• Validate monitoring, logging and access controls; ensure vulnerability visibility.
• Support proof-of-concept activities, product evaluations and testing.
• Develop runbooks, standards and build documentation.
• Investigate tooling, integration and reporting issues.
• Support OT security requirements including remote access and resilience.

Skills

Security Engineering

Security Operations

Vulnerability Management

Scripting: PowerShell

Scripting: Python

Documentation

Stakeholder Engagement

Education

Security Clearance eligibility (SC)

Tools

SIEM Tools

Vulnerability Scanning Tools

Network Monitoring

Job description

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.

Security Design & Engineering Analyst

Location: Exeter, Devon (Hybrid Working)

Salary: £35,000 - £45000 + excellent benefits

Are you an experienced cyber security professional with a passion for designing, implementing and improving security technologies? We're looking for a Security Design & Engineering Analyst to help strengthen and evolve our cyber security capabilities across both IT and Operational Technology (OT) environments.

This is an exciting opportunity to work on a wide range of security technologies, supporting the delivery of security controls, integrations and tooling that protect critical business services and infrastructure. You'll play a key role in translating security requirements into practical technical solutions, ensuring our security capabilities remain effective, proportionate and aligned with industry best practice.

What you'll be doing

• Configure, implement, integrate and support a range of cyber security technologies through to business-as-usual operation.
• Act as a technical subject matter expert for designated security platforms and controls, driving continual improvement and optimisation.
• Produce technical designs, configuration standards, implementation plans and support documentation.
• Translate security requirements into operational controls, configurations and procedures.
• Validate security monitoring, logging, alerting, access controls, system hardening and vulnerability visibility.
• Support proof-of-concept activities, product evaluations, technical testing and implementation projects.
• Develop operational runbooks, technical standards, build documentation and support procedures.
• Investigate and resolve tooling, integration, reporting and data-quality issues.
• Support vulnerability management activities, including tooling administration, remediation tracking and exception management.
• Produce technical assessments, control reviews, gap analyses, management information and audit evidence.
• Support security requirements within Operational Technology (OT) environments, including monitoring, segmentation, remote access and resilience initiatives.
• Work collaboratively with infrastructure, cloud, networking, identity, operational, project and governance teams to deliver secure solutions.

What we're looking for

Essential Experience

• Experience within Security Engineering, Cyber Security Operations, Technical Security or Infrastructure Security environments.
• Hands-on experience implementing, configuring and supporting security technologies and controls.
• Experience supporting security projects through design, configuration, testing, documentation and operational transition.
• Ability to translate security requirements into practical technical solutions.
• Experience managing or supporting vulnerability management tooling, remediation tracking and reporting.
• Experience conducting technical control reviews, security assessments and producing stakeholder reporting.
• Strong troubleshooting and problem-solving skills across security tooling and integrations.
• Experience using scripting or automation technologies such as PowerShell or Python.
• Ability to produce high-quality technical documentation and operational procedures.
• Strong stakeholder engagement skills and the ability to work across multiple technical teams.

Essential Knowledge

• Security engineering principles and best practices.
• Knowledge of NCSC Cyber Assessment Framework (CAF), NIS Regulations, ISO 27001 and NIST frameworks.
• Understanding of identity and access management, network security, endpoint security, logging and monitoring, vulnerability management, cloud security and secure configuration.
• Must hold, or be eligible to obtain and maintain, UK Security Check (SC) Clearance.

Desirable

• Experience within utilities, critical national infrastructure, water, energy or other highly regulated sectors.
• Awareness of Operational Technology (OT) and Industrial Control Systems (ICS).
• Knowledge of OT security concepts including network segmentation, remote access, monitoring, resilience and vulnerability visibility.
• Relevant industry certifications such as CISSP, CCSP, GIAC, Microsoft Security certifications or equivalent vendor certifications.

What's in it for you?

If you're passionate about cyber security engineering and enjoy designing, implementing and improving technical security controls that protect critical services, we'd love to hear from you.

Come and help us build secure, resilient and future-ready technology environments while developing your career within a collaborative and forward-thinking team.

We believe in rewarding our people for their hard work and dedication. As our

What We Offer

• Attractive Salary & Benefits Package
• Annual Bonus Scheme – Recognising company performance
• Pension Scheme – Helping you plan for your future
• Hybrid Working – A blend of office and home working, supporting flexibility while maintaining collaboration with your team
• Employee Assistance Programme – Supporting your wellbeing
• Employee Discounts – Access to discounts on a range of products and services
• Annual Leave Allowance – Giving you time to rest and recharge
• Annual Leave Buy & Sell Scheme – Flexibility to purchase additional holiday or sell unused leave to suit your lifestyle
• Career Development Opportunities – Supporting your ongoing growth and development

Closing Date: 30th October 2026

We may close this vacancy early if we receive a high volume of applications.

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.