Cyber Security Manager (DLP, Data Protection & Insider Risk Management)

Grant Thornton Advisors LLC and Grant Thornton Ireland (GT) have recently come together to form a powerful multinational, multidisciplinary platform that delivers premier advisory, tax, and independent audit services. With $2.7 billion in revenues and nearly 60 offices across the U.S., Ireland, the UAE, and other territories, our combined platform brings enhanced solutions and capabilities supported by cutting-edge technologies and a team of nearly 13,000 quality-driven professionals.

Grant Thornton Ireland contributes nearly 3,000 people across 9 offices in Ireland, the Isle of Man, Gibraltar, and Bermuda, and is part of a global network of over 68,000 professionals spanning more than 149 countries. Together, we offer a truly global reach backed by deep local knowledge and national expertise.

By joining forces, we strengthen our ability to act as trusted advisors who make business more personal — investing in relationships and empowering clients to make the right decisions for their organisations today and into the future. Whether working with the public sector to build thriving communities, partnering with regulators and financial institutions to build trust, or supporting diverse businesses to achieve their goals, Grant Thornton now provides a singular, seamless client experience grounded in collaboration, innovation, and a shared commitment to the issues that matter most.

At GT Ireland we don’t just predict your future, we build it.

A Career at GT

Looking for a more fulfilling role in professional services? One where fresh thinking, collaboration and diversity are valued? At Grant Thornton we do things differently.

What does this mean for you?

A career in a more inclusive working environment, a more collaborative work culture, a more supported, flexible working role, more possibilities to grow and more opportunities to help shape the future for your clients. We respect and value your experience. And we want you to bring your authentic self to work and be at your best. It is how it should be.

Grow with us

At Grant Thornton, we care about our people and work hard to make you feel valued. If you are looking to deepen and develop your skills, knowledge, and experience throughout your career, then that is what you will get, and more.

Position Overview

We are seeking a highly skilled and experienced Cybersecurity Manager to lead our Data Loss Prevention (DLP), Data Protection, and Insider Risk Management program in the EMEA region. This individual will be responsible for defining strategy, implementing controls, managing tools, and driving cross-functional initiatives to protect sensitive data, detect insider risks, and ensure compliance with global regulations. The ideal candidate will have strong technical expertise, proven leadership, and the ability to work closely with stakeholders across Security, Technology, Legal, HR, and Compliance

Roles and Responsibilities:

Program Leadership & Strategy

Lead the enterprise DLP, data protection, and insider risk management program for the EMEA region in alignment with the global multi-national platform.
Build, implement and maintain technical policies, procedures, and controls aligned to business objectives and regulatory requirements (e.g., ISO, SOC 2, NIST, GDPR, HIPAA, CCPA).
Drive a risk-based approach to protecting sensitive data across on-premises, cloud, and SaaS environments.

Technology & Operations

Lead deployment and management of DLP and insider risk solutions (e.g., Microsoft Purview, Proofpoint, etc.).
Establish data classification, handling, and protection standards.
Ensure effective coverage across endpoints, email, network, cloud services, and collaboration platforms.
Collaborate with SOC team to build incident response playbooks for data leakage and insider threat events.
Collaborate with SOC and IR teams to integrate DLP/insider alerts into SIEM and SOAR platforms.

Monitoring & Incident Response

Lead triage, investigation, and escalation of DLP and insider risk alerts.
Work closely with HR, Legal, and Business leaders to manage cases of insider misconduct or policy violations.
Reduce false positives through continuous tuning and optimization of detection rules.
Conduct root cause analysis and oversee remediation activities.

Metrics & Reporting

Define KPIs/KRIs to measure program effectiveness (e.g., incident trends, time-to-resolution, compliance status).
Deliver regular reporting and executive-level updates on risk posture and incident trends.
Recommend security investments and improvements based on threat intelligence and gap analysis.

Continuous Improvement

Monitor regulatory changes and emerging risks to ensure program alignment.
Explore opportunities for automation, AI, and advanced analytics in DLP/insider risk workflows.
Benchmark against industry best practices and frameworks (NIST CSF, MITRE Insider Threat, ISO 27001).

Skills and Attributes:

Bachelor’s degree in Cybersecurity, Information Security, Computer Science, or related field.
7+ years of experience in cybersecurity with at least 3+ years focused on DLP, insider risk, or data protection.
Strong knowledge of DLP platforms, insider threat detection, and cloud security controls.
Familiarity with regulatory compliance (GDPR, HIPAA, NIST, SOC, CCPA).
Hands-on experience with tools such as Microsoft Purview DLP, UEBA solutions, and SIEM/SOAR platforms.
Proven track record in incident response, technical policy enforcement, and cross-functional investigations.
Excellent communication and stakeholder management skills; ability to engage executives and non-technical audiences.
Relevant certifications preferred: CISM, CISSP, CIPT, CIPP, CCSP, GIAC Insider Threat Analyst (GCTI), or equivalent.

Life at GT

Reward and benefits:

Our reward and benefits are designed to create an environment where our people can flourish. We are committed to building a culture where our people have access to the necessary benefits to help promote a healthy lifestyle and thrive.

Equity, diversity and inclusion
At Grant Thornton, we provide equitable opportunities for all our colleagues. We are a responsible, sustainable business where equity, diversity and inclusion (ED&I) is at the forefront of our workplace culture agenda, and today, we continue to build and develop on our existing ED&I structure and strategy to meet our workplace culture needs. People are at the heart of our business and teams built with varied backgrounds, racial differences, cultures, sexual orientations, religious orientations, ages, gender identities, abilities and family types present diverse viewpoints, which need to be heard and valued.

We are all at our best when we are able to be ourselves and we view integrity and authenticity as integral values to bring to our day-to-day work-life at the firm. We are excited to see the personality and perspectives you will bring to our team because we know we will all benefit from them. Diversity of thought, background and experience enables better decision-making, improves the quality of our delivery, and helps us to meet the needs of our clients. Our firm is built on people and their ideas, so we want to hear all the new perspectives and fresh thinking you have to offer. You form the bedrock of our firm’s best-practice principles and we will champion you as leaders from day one.

Recognition:

We want to create a culture of recognition and celebrating success, by saying thank you to people who surpass our expectations and recognising the right values and behaviours. Our Shout Out recognition scheme is our way of highlighting and promoting achievements. Whether you simply want to say thank you, celebrate a special occasion or give an award for doing something exceptional, you can do all of this and more through the scheme.

#LI-KS1

Cyber Security Manager (DLP, Data Protection & Insider Risk Management)

Job Description