About the role

Cyber Security Specialist designing and implementing security controls for Squarcle clients. Supporting compliance with regulations and best practices in a digital environment.

Responsibilities

Define and implement security architectures for applications, infrastructure, and cloud environments.
Conduct security design reviews and provide assurance across projects and programmes.
Ensure alignment with standards such as ISO 27001, NIST, NCSC and Cyber Essentials Plus.
Identify, assess, and manage cyber security risks across systems and suppliers.
Support risk assessments, threat modelling, and vulnerability management.
Ensure compliance with UK GDPR, data protection regulations, and organisational policies.
Hands-on Azure cloud security experience, including implementation and operation of Microsoft Defender security tools (e.g., Defender for Cloud, Defender for Endpoint, Defender for Identity, Defender for Office 365) and security monitoring.
Implement identity and access management (IAM), Privileged Identity Management (PIM) encryption, and network security controls.
Design and run SIEM/SOAR use-cases in Microsoft Sentinel (data connectors, analytics rules, workbooks, automation playbooks) to support SOC operations, threat detection, and incident response.
Support DevSecOps practices and secure software development.
Develop and maintain security policies, standards, and procedures.
Provide guidance and training to project teams and stakeholders.
Promote a strong security culture across Squarcle.

Experience in cyber security roles across enterprise or complex environments, including SOC delivery and/or SIEM operations.
Strong understanding of: Network security, identity management, and endpoint protection
Cloud security (AWS, Azure, or similar)
Security frameworks (ISO 27001, NIST, CIS)
Proven experience with Azure Security tools, including Microsoft Sentinel (SIEM) and the Microsoft Defender suite, covering onboarding, configuration, alert tuning, and day-to-day monitoring.
Experience with security posture management in Azure (e.g., Defender for Cloud, Secure Score, Azure Policy/initiatives), including identifying misconfigurations and driving remediation.
Experience in risk assessment, threat modelling, and vulnerability management.
Ability to communicate security concepts to both technical and non-technical stakeholders.
Experience of managing and influencing stakeholders.
Flexibility to travel as needed to client site.

Generous leave package 26 days of annual leave (including your birthday!) plus UK bank holidays - increasing to 27 days after three years, and 28 after seven years
You’ll also get five extra days for your five and 10-year anniversaries
Additional leave for members of the Reserve Forces and CFAV.
Private medical insurance Provided once you’ve completed your probation.
Recognition and rewards £1,000 referral bonus for successful hires
Performance-related awards
Milestone and life-event hampers to celebrate life’s big moments
Development & learning Annual training week abroad
Funding for qualifications that benefit both you and the business
Travel & wellbeing Cycle to work scheme
Discounted travel through funded railcards
Pension Our pension provider is NOW Pensions, pension contributions are 3% employer and 5% employee