About this role
Salary: £69,922 - 76,000 per year
Requirements: Relevant experience supporting security controls across IT operations, including servers, endpoints, networks and cloud servicesExperience embedding security controls across hybrid infrastructure, endpoints and operational processesStrong understanding of secure configuration standards and security baselines, with the ability to translate them into effective operational practicesWorking knowledge of identity and access controls, including multi-factor authentication, Conditional Access and privileged accessUnderstanding of network security controls, including segmentation, firewall policies, remote access and hybrid connectivityStrong stakeholder engagement skills, with the ability to influence technical and operational teams towards practical, risk-based security improvementsFamiliarity with data-platform and repository security controls and governance tools, such as Microsoft PurviewProactive mindset, with the ability to identify control gaps and use insights from vulnerabilities, incidents and audits to strengthen operational resilience Responsibilities: Work with IT Operations teams to implement and embed centrally defined security controls across servers, endpoints, networks and cloud-hosted servicesSupport the adoption and continuous improvement of security baselines, secure build standards and hardened configurations across on-premises and cloud environmentsProvide security oversight for endpoint and device controls, ensuring agreed standards and operational controls are applied consistentlyPromote the effective use of identity and access controls, including multi-factor authentication, Conditional Access, identity governance and privileged access controlsProvide security input into network architecture and controls, including network segmentation, firewall policies, secure remote access and hybrid connectivityDeliver vulnerability management activity across the operational environment, working with internal teams and third-party providers to drive remediationReport on vulnerability exposure and remediation progress in line with agreed governance and risk frameworksWork with the Service Desk, IT Operations and the managed Security Operations Centre provider to maintain appropriate logging, alerting and response capabilities across infrastructure servicesHelp embed data-platform security controls, including Microsoft Purview, ensuring infrastructure configurations, access controls and monitoring align with data protection and governance requirementsWork with Data and Infrastructure teams to strengthen access controls, encryption, auditing and monitoring for sensitive data repositoriesProvide ongoing security oversight across IT service delivery, helping ensure security controls remain effective and consistently applied Technologies: CloudFirewallSupportNetworkSecurity More:
We are A2Dominion and we are recruiting a Security Business Partner – IT Operations to join our Cyber Security team in Ealing on a hybrid basis, with some office attendance required. This is a permanent full-time role (35 hours per week, Monday to Friday) with a salary of £69,922–£76,000 depending on experience. We offer a wide range of staff benefits including 25 days holiday plus Bank Holidays rising to 28 days with 3 years of service, up to 8% contributory pension, flexible working, and an annual allowance of up to £300 for health and lifestyle benefits for you and your family. We are proud to be a Disability Confident Employer, welcome applications from people of all backgrounds, and offer an inclusive and accessible recruitment process with reasonable adjustments available. We value diversity, embrace flexibility, and are a family-friendly employer, and we want everyone to feel they belong here.
last updated 38 week of 2026