50 Best author Jobs in Waterlooville (March 2026)

Senior OT Network Engineer

4 days ago

Havant

We’re making a difference: Together, we can ensure that there is enough water for everyone, now and in the future. Portsmouth Water are delighted to have an opening for a Senior OT Network & Security Engineer to support the Digital Transformation of our Production Department. In this critical role, you will help shape the future of OT at Portsmouth Water by taking responsibility for designing, developing, maintaining and optimising OT network and cyber security solutions. You will deliver eCAF technical objectives while working closely with both operational and technical teams to improve site connectivity, cyber security, Network Information Systems (NIS) compliance, and data acquisition. All of which will elevate the business into an exciting and high performing technological future. What will you be doing? Key Responsibilities • Manage and maintain OT network and network security assets., • Ensure continuous compliance with manufacturer, company and regulatory standards., • Proactive monitoring of OT cyber security equipment and systems., • Lead OT network security workstreams., • Design, install and commission network and control upgrades and improvements., • Commission OT works to company and regulatory compliant standards where required., • Author, manage and review engineering documentation., • Design and develop OT cyber security and systems solutions including Intrusion Detection, SIEM integration, vulnerability monitoring & management and threat hunting., • Design & install systems from and to architecture drawings., • Configuration of managed switches and firewalls including patching & backup management., • Manage and facilitate network Penetration Testing., • Produce security improvement plans where appropriate., • Security improvements including design, build and management of servers, virtual environments, Domain Controllers, Active Directory etc., • Implement and maintain disaster recovery, business continuity and change control systems., • Develop project documentation for project lifecycle., • Develop Standard Operating Procedures., • Promote Cyber Security culture across the business to normalise as BAU. What do you need? Skills, Qualifications & Competencies • Batchelors Degree in a relevant technical field., • Experienced in managing digital network security and governance., • Experienced in managing firewalls, routers and switches., • Expert understanding of networking & network management., • Expert understanding of physical and logical networking methods including virtual environments., • Expert understanding and experience in managing of Domain Controllers and Active Directory., • Experienced in managing virtual environments., • Conceptual understanding of PLC/HMI/SCADA systems., • System maintenance including patch management and disaster recovery., • Working to and developing project/engineering documentation., • Working knowledge of cyber security policies and equipment., • Recognised cyber security qualification. 💬 We recognise people want to work in a variety of different ways, and that’s why we’re happy to consider flexible working arrangements. Please feel free to talk to us at interview about the flexibility you may be looking for. 📌 Please note, we may close this advert early if we receive a high volume of applications — so we encourage you to apply as soon as possible to avoid missing out. 🌍 We’re committed to equality, diversity and inclusion, and we actively encourage applications from all sections of society. 🛂 Please be aware, the Company has a responsibility to ensure that all employees are eligible to live and work in the UK. 📬 Due to the high volume of applications we may receive, we’re unable to respond to every applicant individually. If your application is of interest, we’ll usually be in touch within 4 weeks of receiving it. What can Portsmouth Water offer you? At Portsmouth Water, we believe in rewarding our people. Here’s just a taste of what’s waiting for you when you join the team: 🌴 Holidays Made Better Enjoy 27 days of annual leave, plus bank holidays, giving you plenty of time to relax, recharge, and explore. 💰 A Pension That Works for You We’ll help secure your future with a generous pension scheme, contributing up to 15% – because your tomorrow matters as much as your today. 💸 Performance Pays Off You could earn a non-contractual bonus of up to 6% of your basic salary, linked to company performance – because when we succeed together, you should benefit too. 🍼 Family Comes First Whether you’re welcoming a new arrival through birth or adoption, we’ve got your back with enhanced maternity, paternity, and adoption leave and pay. 🎉Social Events All expenses covered summer and winter social events 🛡️ Peace of Mind, Always Our life assurance scheme gives your loved ones extra security, with a 4x salary lump sum benefit in case the unexpected happens. 🩺 Comprehensive Wellbeing Support Whether you need confidential mental health and wellbeing advice 24/7 through our Employee Assistance Programme, or physical health support via our Virtual GP service (available 8am–10pm, 7 days a week for you and your immediate family), help is always close at hand with the HealthHero app. 🧠 Additional Support When You Need It We know life has its ups and downs. That’s why we offer Private Medical Insurance - provided by Bupa giving you access to expert healthcare and 24/7 confidential support. 🎁 PW Perks – Treat Yourself! Enjoy exclusive discounts at thousands of retailers, plus exciting benefits like: • 🚗 Electric Vehicle Scheme (after 1 year), • 🚴 Cycle to Work Scheme, • 💊 Health Cash Plan, • …and so much more!

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