Senior Security Analyst

Mentmore; Newport Pagnell; Hybrid; GBP 45,000 - 65,000; Full time

Job summary

A leading organization is seeking a Senior Security Analyst to enhance its security operations across multiple regions. This role focuses on incident management, vulnerability assessment, and supportive development of security frameworks. The ideal candidate will possess extensive experience in security tools and be adept at stakeholder engagement within a collaborative environment, helping to elevate security protocols globally while enjoying a hybrid work model.

Benefits

Hybrid work model promoting work-life balance

Competitive compensation and benefits package

Qualifications

• Significant experience with incident response and vulnerability management.
• Proficiency in Azure 365 and Microsoft Defender is essential.
• Strong interpersonal skills for managing stakeholders.

Responsibilities

• Lead responder for security incidents and oversaw remediation efforts.
• Conduct security gap assessments and recommend improvements.
• Maintain detailed documentation and communicate findings.

Skills

Incident Response

Vulnerability Management

Documentation

Stakeholder Engagement

Security Tools Proficiency

Tools

Microsoft Defender

Azure 365

Sentinel

Tenable

Nessus

Job description

Senior Security Analyst

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This range is provided by Mentmore. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

Base pay range

Job Title: Senior Security Analyst – Group Shared Services

Travel: Occasional travel to Ireland/US (1–2 times per year)

Job Type: Full-Time

Company Overview

Our client is a market-leading organization operating with a regional structure across the UK, Ireland, and the US (East Coast). As part of a broader transformation to establish a Group Shared Services model, the company is looking for a proactive Senior Security Analyst to enhance its security operations and elevate its incident response capabilities.

Position Summary

This role is integral to the development of the group’s shared services security function. The successful candidate will be the primary contact for security incidents, overseeing remediation efforts and engaging with internal teams, third parties, and franchisee operations. The role demands strong technical expertise, collaborative skills, and a solutions-oriented mindset to help drive the security posture forward across multiple geographies and business models.

Key Responsibilities

• Act as the lead responder for security incidents across the organization.
• Coordinate investigation and resolution efforts across IT and business operations.

Security Gap Analysis

• Assess current security practices and identify areas for improvement, particularly in third-party and franchisee environments.
• Develop and recommend appropriate security controls and process enhancements.

Documentation & Reporting

• Maintain thorough and clear documentation of incidents and actions taken.
• Summarize complex technical issues for non-technical stakeholders and senior management.

Vulnerability Management

• Manage vulnerability detection and remediation using tools such as Tenable, Nessus, and Microsoft Defender.
• Monitor and address security weaknesses in a timely and structured manner.

Stakeholder Engagement

• Liaise with a wide range of stakeholders including IT teams, franchisees, external vendors, and regional operational leaders.
• Provide regular updates and insights on security risks and remediation progress.

Security Program Development

• Contribute to the continuous improvement and standardization of the incident response framework.
• Support broader efforts to enhance the group’s overall security maturity.

Technical Leadership

• Apply technical knowledge of tools such as Microsoft Defender, Sentinel, Azure 365, and vulnerability management platforms.
• Ensure security operations align with organizational goals and industry best practices.

Required Skills & Qualifications

• Significant hands-on experience with incident response and vulnerability management.
• Strong proficiency in Azure 365, Microsoft Defender, Sentinel, Tenable, and Nessus.
• Excellent ability to identify, analyze, and remediate security gaps and threats.
• Proven experience writing clear technical documentation and executive summaries.
• Strong interpersonal and communication skills to manage multi-functional stakeholder engagement.
• Capable of working independently in a fast-moving, evolving environment.
• Background in Microsoft-centric security environments preferred.
• Experience with distributed or franchisee-based business models is advantageous.

Why Join?

• Join a high-impact role in a maturing security function within a global organization.
• Gain broad exposure to modern security challenges including third-party and franchisee management.
• Work in a collaborative, cross-functional environment with flexibility and autonomy.
• Enjoy a hybrid work model promoting work-life balance.
• Competitive compensation and benefits package.

If you're ready to shape and lead key security initiatives within a dynamic global environment, apply now to be a part of a forward-looking and collaborative team.

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Full-time

Job function

• Job function

  Information Technology

• Industries

  Retail

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