Information Technology Security Analyst, London (City of London)Client:

InterQuest GroupLocation:

London (City of London), United KingdomJob Category:

OtherEU work permit required:

YesJob Views:

3Posted:

22.08.2025Expiry Date:

06.10.2025Job Description:

Job purpose:The security analyst will join a small security team for one of our clients in Central London. You will be a subject matter expert on all aspects of security, including mail security, web security, infrastructure security, and end-user device security.The security analyst plays a key role in driving and improving technology security at the organization, providing expert advice and reliable guidance to a broad range of colleagues and stakeholders to achieve this.Key Accountabilities:

Proactively assess device and application logs for security vulnerabilities, investigate causes, and resolve or mitigate those vulnerabilities.Lead and investigate security breaches and cyber incidents, providing timely resolution to meet service level agreements/expectations.Install security updates/measures in line with best practices to protect against the latest cyber threats.Collaborate with third parties and internal teams to schedule proactive penetration tests, ensuring vulnerabilities are addressed.Support the delivery of security training to all end users.Monitor potential security risks externally and internally, providing expert advice and guidance.Manage regular security assessments of key services.Assess third-party suppliers to ensure security compliance.Work with operational and delivery teams to evaluate and adopt security design principles.Provide guidance to end users on cybersecurity topics.Collaborate with internal teams on cybersecurity audits and action resolutions.Manage creation and updates of security policies.Promote a respectful and inclusive working environment.Knowledge, Skills, and Experience:

Relevant experience as a Security Analyst.Strong understanding of mail filtering technologies.Knowledge of Cloud infrastructure technologies, including encryption.Experience with Microsoft Sentinel, Defender, and Purview.Understanding of security frameworks (NIST and Cyber Essentials).Ability to lead third-party providers.Knowledge of incident response processes and methodologies.Experience with root cause analysis and documentation.Proven experience in configuring security for devices to prevent unauthorized access.Proficiency with SIEM, IDS/IPS, vulnerability scanners, and Azure security tools.Experience conducting vulnerability assessments and penetration testing.Experience testing and reviewing security solutions.Commitment to diversity, inclusion, respect, and dignity in the workplace.

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