Operational Technology Information Security Analyst Job at Affinity Water

Operational Technology Information Security Analyst Job at Affinity Water – Affinity Water has a exciting opportunity available to work in our Cyber Security Team as a Operational Technology Information Security Analyst.

The Role:

As a Operational Technology Information Security Analyst will be responsible for safeguarding the organisation’s Operational Technology (OT) environments from cyber threats. This role involves implementing OT security measures, monitoring the OT network for threats, leading incident response efforts, validating security controls, and ensuring the resilience of OT systems.

What you’ll be doing:

• Implement and manage OT security controls, measures, and technologies to protect critical assets and systems.
• Conduct risk assessments, vulnerability management, and security testing.
• Develop and implement incident response plans and ensure compliance with regulations.
• Conduct proactive threat hunting and reactive incident response.
• Provide regular reports on security status, including incidents, vulnerabilities, and overall health of OT systems.
• Collaborate with cross-functional teams, including network engineers, system administrators, and external cybersecurity teams.

What you’ll need:

• At least 3 years of experience in OT security engineering, incident response, or a related field.
• Ability to manage multiple assessments and projects simultaneously.
• Strong understanding of industrial control systems (ICS) and SCADA systems.
• Strong problem-solving skills and attention to detail.
• Proven experience with OT and IT security technologies, including firewalls, intrusion detection systems (IDS), vulnerability detection, network discovery, log collection systems, and security information and event management (SIEM) solutions.
• UK Driving Licence.

About Us

Affinity Water is the UKs largest water-only supplier, providing sustainable, high-quality water to 3.85million customers across the Southeast of England. We are on a mission to redefine the way water companies connect with their customers and communities, and to make better use of water and safeguard the local environment now and in the future.

Benefits:

• £50,000 – £60,000 (salary dependant on skills and experience)
• Out of hours allowance – 1 in 4 rotation (Separate payment on top of salary) To be discussed at interview.
• Hours: 08:30am – 17:00pm (Mon – Thurs) 08:30am – 16:30pm (Friday)
• Learning and development opportunities, including mentoring and a range of formal courses and open learning resources.
• Entry into the company annual bonus scheme.
• Annual leave from 23-27 rising with length of service, and the option to purchase up to 5 extra days.
• A ‘Celebration Day’ in addition to public holidays that people can use to celebrate a religious festival or other occasion that is important to them.
• A generous ‘double match pension scheme’ that doubles the contributions you make (company contribution capped at 12%)
• We offer a range of family benefits including enhanced Maternity, Adoption, Paternity, Shared Parental Leave, Fertility Support Leave and up to 5 full or 10 half days of paid Carers Leave.
• Menopause policy and Reasonable Adjustment policy to help everyone perform at their best.
• Access to our Wellbeing Centre with support for looking after your physical and mental health.
• Discounts at a Range of Retail Outlets and on Dental and Medical Insurance through our Tap4Perks scheme.
• Up to 4 Affinity days a year to volunteer in the community.
• Life Assurance.
• Disability confident: if you need to apply in a different format, please contact u

Advert Closing Date: 26/10/25