Senior Security Analyst

  • Mentmore Recruitment
  • Newport Pagnell, Buckinghamshire
  • Sep 11, 2025
Full time Telecommunications

Job Description

Are you ready to take the lead in shaping the security landscape of a global organization? Our client is a market-leading company operating across the UK, Ireland, and the US East Coast, currently undergoing a major transformation to build a Group Shared Services model.

This is your opportunity to step into a strategic, hands-on role where your expertise will directly impact the company's security posture across multiple geographies and business models.

What You'll Do

  • Lead Incident Response across the organization, coordinating investigations and remediation.
  • Conduct Security Gap Analysis and recommend improvements, especially in third-party and franchisee environments.
  • Manage Vulnerability Detection & Remediation using tools like Tenable, Nessus, Microsoft Defender.
  • Create clear technical documentation and executive-level summaries.
  • Engage with internal teams, vendors, and franchisees to drive security initiatives.
  • Contribute to the development of security programs and frameworks.
  • Apply deep technical knowledge of Microsoft Sentinel, Azure 365, and other security platforms.

Requirements

  • Hands-on experience in incident response and vulnerability management.
  • Strong proficiency in Microsoft Defender, Sentinel, Azure 365, Tenable, Nessus.
  • Excellent analytical and documentation skills.
  • Strong communication and stakeholder engagement abilities.
  • Ability to work independently in a fast-paced, evolving environment.
  • Experience in Microsoft-centric and distributed/franchise-based environments is a plus.

Why You'll Love It

  • Be part of a maturing security function with global impact.
  • Tackle modern security challenges in a collaborative, cross-functional setting.
  • Enjoy a hybrid work model that supports work-life balance.
  • Receive a competitive salary and benefits package.
  • Make a real difference in a company that values innovation and proactive thinking.

If you're passionate about cybersecurity and want to lead meaningful change in a global organization, we'd love to hear from you.