Senior Project Manager – Microsoft Cyber Security Software Apps

Company: Lorien
Apply for the Senior Project Manager – Microsoft Cyber Security Software Apps
Location: Greater London
Job Description:

Overview

Senior Project Manager / Programme Manager – Microsoft Cyber Security Software Applications

Our top corporate client has a major cyber transformation programme underway to consolidate legacy and non‑Microsoft cyber security solutions into a modern, unified Microsoft security ecosystem.

They are looking to recruit a Senior Project Manager for Microsoft Cyber Security Software Applications, you will lead the delivery of this transformation, managing multiple enterprise‑scale projects focused on Microsoft’s security suite and driving the migration away from legacy platforms such as Splunk, Siebel, and other historic SIEM technologies.

This is a fast‑paced, high‑visibility delivery role working across a global, highly regulated environment governed by SOX, GDPR, and GxP controls.

Key Responsibilities

  • Migration & Transformation Delivery: Lead end‑to‑end delivery of migrations from legacy and non‑Microsoft security tools into the modern Microsoft security stack.
  • Oversee implementation and integration across: Microsoft Sentinel; Microsoft Defender for Cloud; Microsoft Defender for Endpoint & Servers; Microsoft Purview; Microsoft DLP; Microsoft 365 email security.
  • Manage multiple major in‑flight Microsoft security projects concurrently.
  • Produce high‑quality project artefacts: execution plans, design documents, RAID logs, sprint plans, governance packs, and schedules.
  • Own and maintain end‑to‑end RAID management.
  • Proactively identify, track, escalate, and resolve risks, issues, assumptions, and dependencies.
  • Provide reporting to senior Cyber, Technology, and Programme leadership.
  • Ensure compliance with SOX, GDPR, GxP, and internal controls.

Technical & Cyber Alignment

  • Collaborate with Cyber Architecture, Security Engineering, SOC & Threat Intelligence, Cloud & Platform teams, Identity & Access Management, Data Protection & Privacy.
  • Ensure new solutions meet target-state requirements for security, monitoring, compliance, and incident response.
  • Support integrations between Microsoft products and CSPM tools such as Wiz.
  • Build strong relationships with stakeholders across Cyber Security, Technology, Risk, Data Protection, and global business teams.
  • Communicate clearly with technical and non‑technical audiences.

Experience & Qualifications

  • Large‑scale cyber security transformation experience in global organisations.
  • Expertise with Microsoft Sentinel, Defender for Cloud, Defender for Endpoint & Servers, Purview, Microsoft 365 email security.
  • Experience with Splunk, Siebel, legacy SIEM, CrowdStrike, Wiz.
  • Understanding of SOX, GDPR, GxP.
  • Experience with Waterfall, Agile/Scrum, Hybrid.
  • Proficient with JIRA, Azure DevOps, Microsoft Project.
  • Governance, documentation, tracking, and reporting skills.

Highly Desirable

  • Experience in CPG, Retail, Pharma/Life Sciences.
  • Certifications: PMP, Prince2, MSP, SAFe, Microsoft Security.
  • Familiarity with NIST, ISO, CIS Controls.

Guidant, Carbon60, Lorien & SRG – The Impellam Group Portfolio are acting as an Employment Business in relation to this vacancy.

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Posted: March 30th, 2026