Cyber Security Manager / Senior Manager

Job Title: Cyber Security Manager / Senior Manager
Posting Start Date: 11/03/2026
Company: Deloitte Tax \& Consulting
Job Function: Technology \& Cyber Security
Level of Experience: Experienced
Contract Type: Open\-term
Req ID: 13741
Job Description:
Your future team

Deloitte provides a broad range of cyber security services to respond to a fast\-paced and ever\-changing environment.

Our cyber security leaders bring hands\-on experience not only in assessing complex networks and systems, but also in shaping and steering information security governance and transformation programs.

As a Cyber Security Manager / Senior Manager, you will lead and develop diverse teams of professionals, drive the design and delivery of strategic cyber security solutions, and take ownership of engagements that address some of today’s most complex security challenges for our clients.

The advantages of joining us

• Inclusive, Flexible Culture


• Innovative Work That Matters


• Build Your Network


• Career Growth, Your Way


• Lead and Help Shape the Cyber Agenda

• Lead clients in defining and driving cyber security strategies and multi\-year implementation and remediation programs aligned to business priorities, risk appetite and regulatory expectations


• Shape and oversee security governance frameworks and target operating models, ensuring clear ownership, decision\-making structures and integration with broader business and IT governance


• Direct the design, implementation and continuous improvement of ISMS and broader security management frameworks based on industry standards, ensuring they are pragmatic, risk\-based and auditable


• Act as a senior advisor to executives and senior stakeholders on addressing security challenges arising from digital transformation (e.g. AI, Cloud, Zero Trust, Identity ), translating technical risks into business impact


• Provide strategic guidance on the selection, integration and optimization of security technologies and architectures, ensuring solutions are scalable, cost\-effective and aligned with enterprise architecture


• Oversee the delivery of complex cyber engagements, ensuring quality, timeliness, and value, while managing risks, budgets and client expectations


• Drive the development and scaling of new cyber offerings and the enhancement of existing services, contributing to go‑to‑market strategies, thought leadership and eminence in the marketplace


• Build, lead and coach diverse, high\-performing teams, proactively addressing inclusion, well\-being and engagement, and role\-modelling the firm’s commitment to an inclusive and respectful culture

• Count with at least 5 years of Cyber Security experience within corporate organizations


• Demonstrate excellent interpersonal skills and a track record of developing strong client relationships


• Demonstrate relevant experience in delivering client engagements, ideally in Luxembourg.


• Take responsibility for budgets, and client deliverables


• Have the experience and ability to inspire, guide, and influence your more junior colleagues toward a common goal


• Demonstrate ability to understand and assess Cyber security from both a technical and business perspective


• Demonstrate strong Cyber security skills, ideally in the following domains: Security Governance and Management, Identity \& Access Management, Cyber Risk Management, Network and Infrastructure Security, Cloud Security, , etc.


• Have significant knowledge of Information Security standards and framework such as ISO/IEC 27001:2013, NIST Cybersecurity Framework, CIS Controls, etc.


• Demonstrate broad range of security experience, e.g. cyber strategy, security target operating models, security transformation programs, security change initiatives, security technologies and standards


• Certifications such as CISSP, CISM, GIAC certifications,etc. are considered as a strong asset.


• Speak English and French fluently. German is considered as a strong asset

Get to know more about Deloitte; LinkedIn page (\#DeloitteLU), Instagram page, YouTube page or website.

With more than 2,600 employees and 98 nationalities, Deloitte Luxembourg is one of the Grand Duchy's largest, strongest and oldest professional services firms. For 75 years, our talented teams have been serving clients in various industries delivering high added\-value offerings to national and international clients in audit and assurance, consulting, financial advisory, risk advisory, tax, and related services. Deloitte Luxembourg is part of the global Deloitte network.

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