IT Security Analyst Location: Hybrid - Buckinghamshire Salary: £50,000 - £55,000 + Benefits 83zero are partnered with a market-leading software company who are on a mission to transform the construction and related industries through their end-to-end digital solutions. With teams across the UK, Europe, USA and India, they are delivering large-scale transformation projects on a global scale and are continuing to expand. We are now looking for a highly organised and detail-driven IT Security Analyst to join their growing security function. This role plays a key part in securing customer trust and supplier integrity, ensuring compliance with recognised frameworks, and supporting wider security initiatives. The Role Own and manage responses to customer security questionnaires (SIG, CAIQ, bespoke). Work cross-functionally with Legal, Compliance, Procurement, Product and Security teams. Maintain the security assurance matrix in line with ISO 27001, Cyber Essentials, and SOC 2. Act as the key point of contact for security assurance queries. Conduct vendor risk assessments against ISO 27001, NIST, and CIS Controls. Manage the third-party due diligence programme, including onboarding and periodic reviews. Track and publish key security metrics such as risk severity, SLA adherence, and turnaround times. Provide audit artefacts and support internal/external audits. Contribute to broader security initiatives and continuous ...