Senior IT Systems & Security Analyst

The Senior IT Systems & Security Analyst is a key technical role responsible for ensuring the secure, reliable, and efficient operation of core IT systems, infrastructure, and user support services within a security-focused, intelligence-led environment.

The role focuses on advanced endpoint management, proactive systems monitoring, and efficient escalation handling, while maintaining a strong emphasis on security, automation, and operational resilience. This individual will act as the primary escalation point within IT, overseeing day-to-day support activities and ensuring high standards of service delivery.

Working closely with the IT & Security Manager and CISO, the role plays a critical part in supporting the systems that underpin data collection, processing, and reporting across the organisation. The position contributes to the strategic development of the IT function through continuous improvement, automation, and modern cloud-based practices across Microsoft 365, Azure, and selected AWS services., * Provide senior Tier 2 (second line) support for escalated technical issues, ensuring timely resolution and minimal disruption to business-critical operations.

• Act as the primary escalation point within IT, overseeing support activities and ensuring consistent, high-quality service delivery.
• Oversee and coordinate the day-to-day workload of first-line technicians/service desk operatives, ensuring effective prioritisation, workflow management, and adherence to service standards.
• Monitor, maintain, and optimise automated systems including patch management, software deployment, and device compliance, ensuring secure and resilient environments.
• Administer endpoint management platforms (e.g., Intune, PDQ, or similar) to ensure systems remain secure, up-to-date, and fully operational.
• Oversee user onboarding and offboarding processes across M365 and Azure, including secure user provisioning, role-based access, and conditional access controls.
• Deliver and continuously improve IT induction processes for new starters, ensuring users are effectively onboarded, equipped, and aligned with organisational systems, tools, and security practices from day one.
• Contribute to IT systems documentation, user guides, and internal knowledgebase articles, ensuring accuracy and accessibility.
• Support IT asset lifecycle management, ensuring accurate tracking, compliance, and governance of devices and software assets.
• Assist with systems reporting, usage analytics, and continuous improvement initiatives across the IT landscape.
• Collaborate on the delivery of IT projects including infrastructure improvements, migrations, and deployments.
• Provide technical support for data warehousing environments, assisting with data pipelines, scheduled data refreshes, and integrity checks.
• Work alongside data analysts and stakeholders to ensure reliable access to reporting systems and dashboards, including troubleshooting data source issues, performance concerns, and user access.
• Proactively identify areas for automation and process efficiency across recurring technical support and operational tasks, leveraging scripting (e.g. PowerShell).
• Maintain and improve the organisation's security posture across endpoints, identity, and access controls, ensuring adherence to best practices.
• Support and contribute to compliance initiatives aligned to ISO 27001, ISO 9001, Cyber Essentials, and Cyber Essentials Plus, ensuring controls and processes are maintained and evidenced.
• Act as deputy for the IT Manager where required and contribute to departmental planning, prioritisation, and technical decision-making.

Do you have experience in macOS?, * Minimum 5 years' experience in a systems-focused IT support, infrastructure, or engineering role.

• Strong knowledge of Microsoft 365 administration including Azure AD, Exchange Online, and MS Teams, within a security-conscious environment.
• Demonstrable experience with device and endpoint management tools (e.g., Microsoft Intune, PDQ Deploy, or equivalent).
• Proficiency in managing Windows 11 environments; experience with macOS or Linux is advantageous.
• Familiarity with automation techniques and scripting (e.g., PowerShell or Python), with the ability to streamline operational processes.
• Understanding of IT security best practices, including identity management, access control, and device compliance within regulated or security-focused environments.
• Exposure to cloud platforms beyond Microsoft (e.g. AWS), particularly in environments supporting scalable or data-driven systems.
• Strong analytical and troubleshooting skills with the ability to work independently and prioritise effectively.
• Customer-oriented mindset with excellent communication skills and the ability to support both technical and non-technical users.

Desirable

• Experience contributing to ISO 27001, ISO 9001, Cyber Essentials, or Cyber Essentials Plus frameworks or audits.
• Exposure to cloud-based file management, device enrolment processes, and conditional access policies.
• Experience with Amazon Web Services (AWS), particularly services such as EC2, S3, Lambda, or data-related platforms.
• IT certifications such as CompTIA Network+, Microsoft Certified: Modern Desktop Administrator Associate, or similar.
• Experience with helpdesk ticketing platforms and basic reporting/metrics tracking.
• Experience supporting data platforms, reporting tools, or analytics environments.

Pulled from the full job description

• Referral programme
• Financial planning services
• Employee discount
• Sick pay
• Bereavement leave
• Store discount
• Company pension, * Bereavement leave
• Casual dress
• Company events
• Company pension
• Employee discount
• Enhanced maternity leave
• Enhanced paternity leave
• Financial planning services
• Free flu jabs
• Referral programme
• Sick pay
• Store discount
• Transport links
• Work from home