Senior Cyber Security Analyst page is loaded## Senior Cyber Security Analystlocations: Worthingtime type: Full timeposted on: Posted Todaytime left to apply: End Date: April 14, 2026 (13 days left to apply)job requisition id: JR7920**Closing Date**2026-04-14**Job Title:** Senior Cyber Security Analyst**Location:** Durrington, hybrid**Contract Type:** Permanent**Hours:** 37 per week**Salary:** to be discussed at screening stageThere has never been a more exciting time to join Southern Water’s Digital Directorate. We are in the midst of a bold transformation modernising how we protect our critical infrastructure, strengthening our cyber resilience and embedding digital innovation at the heart of everything we do.**About the role**As our new Senior Cyber Security Analyst, you will play a pivotal role in shaping and maturing the Cyber Security Operations function. This is a senior, high‐impact position with direct influence over how we detect, investigate and respond to cyber threats across both IT and OT environments. Your work will safeguard millions of customers, protect essential services, and directly contribute to our long‐term digital resilience strategy.**What you will be responsible for**You will lead the maturity, delivery and continuous enhancement of our Digital Forensics, Incident Response (DFIR), threat detection and security monitoring capabilities—bringing deep technical authority, strategic insight and operational leadership to our cyber defence.**Key responsibilities include:*** Owning and uplifting DFIR and security monitoring capability maturity, including strategy, tooling optimisation and roadmap delivery. [* Leading complex digital forensic investigations, ensuring evidential integrity, quality analysis and actionable resilience improvements.* Directing proactive threat intelligence and threat‐hunting activities to shape risk understanding and future security investment.* Driving governance, reporting and assurance aligned to frameworks such as CAFv4, providing clear operational performance insights.* Developing, mentoring and technically guiding cyber analysts and SOC partners, acting as a senior escalation point where needed.* Enhancing SIEM, EDR, SOAR and log management performance through new use cases, automation and advanced correlation.**Additional requirements specific to this role*** Occasional work during major incident activity to support cyber response leadership.* Engagement across IT, OT, Digital and external partners, including regulated environments and critical infrastructure operations.* Alignment to regulatory frameworks including ISO 27001, NIS Regulations, NIST CSF, MITRE ATT\&CK and CAFv4.**What you’ll bring to the role****Essential*** Deep expertise in DFIR, incident lifecycle management, threat detection methodologies and forensic evidence handling.* Significant hands‐on experience with SIEM, EDR and SOAR platforms such as Splunk, Defender for Endpoint, CrowdStrike Falcon or similar.* Ability to lead complex investigations from detection through to recovery, reporting and improvement planning.* Strong understanding of cloud, hybrid and OT environments, including identity and access security models.* Degree‐level education or equivalent experience in Cyber Security, Digital Forensics or related fields, alongside recognised certifications (e.g., GCIH, GCFA, GCFE, CISSP).* Excellent communication skills, with the ability to translate complex technical findings into clear, business‐ready insights.**Desirable*** Experience within critical national infrastructure or utilities sectors.* Exposure to developing SIEM detections, dashboards and automation workflows.* Passion for continuous learning, innovation and embedding a strong cyber‐aware culture.Southern Water is at the forefront of transforming Britain’s water industry, investing significantly to enhance resilience, sustainability, and service excellence. With £7.8bn planned investment for 2025-30, this is an unparalleled opportunity to join a business committed to delivering a generational shift in the way water services are managed.You will be joining at a time of significant change, working alongside a highly skilled leadership team with a clear vision for the future. We offer an environment where senior professionals can make a meaningful impact, influence major strategic decisions, and drive long-term value creationAt Southern Water, we believe diverse perspectives drive innovation. If you’re passionate about making a positive impact and think you can bring value to our team, we’d love to hear from you—even if you don’t tick every box. Your unique skills and experiences could be exactly what we need.If this role isn’t quite what you’re looking for but are keen to be contacted about opportunities at Southern Water, you can register your details here: Introduce Yourself (myworkdaysite.com- )**Our Commitment to Diversity**We welcome applicants from all backgrounds, identities, and experiences. We do not discriminate based on race, ethnicity, gender, sexual orientation, age, disability, religion, or any other protected characteristic. If you need reasonable adjustments during the recruitment process, please let us know.#LI-HM2#LI-Hybrid* We reserve the right to close this advertisement early if we receive a high volume of suitable applications, so if you are interested in the position please do send your application over today to ensure consideration.* We truly appreciate every application. Please note, that due to the volume of interest, we may not be able to provide personalised feedback to all applicants.### Our Benefits* Company and performance-related bonus* Generous pension with up to 11% company contribution* Life assurance payment equal to four times your annual salary* Health benefits through a Cash Plan* Two paid community volunteering days a year* 25 days annual holiday* Occupational health service* Retail discount app* We offer competitive maternity leave, and flexible return to work options
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