Senior Project and Transition Manager

As a Keystone Solutions consultant, you will be engaged on a consultancy mission with our client as a Senior Project & Transition Manager – CISO. This critical leadership role is responsible for the end-to-end delivery of cybersecurity initiatives and their successful transition into operations within the client's Cyber and Information Security Team. You will ensure that projects are delivered on time and within scope, and are fully integrated, stabilized, and sustainable within the operational environment, operating under Keystone Solutions' consultancy model.

This is a consultancy role where you will work on-site with the client as part of Keystone Solutions' team. You will collaborate closely with client stakeholders while benefiting from Keystone's community, coaching, and knowledge-sharing culture. The engagement requires a minimum of 2 days per week on-site with the client, with additional flexibility as needed by the mission.

• →Lead the end-to-end management of CISO initiatives, from initiation through delivery, transition, and stabilization.
• →Ensure alignment with the client's cybersecurity, compliance, and business objectives.
• →Manage scope, timelines, budget, risks, issues, and dependencies across project and transition phases.
• →Ensure service readiness, including processes, documentation, tooling, and operational capabilities.
• →Coordinate knowledge transfer and handover activities from delivery teams to operations.
• →Define and validate acceptance criteria for operational handover.
• →Collaborate closely with business, IT, security, and operational stakeholders.
• →Ensure compliance with security frameworks, ITIL practices, and regulatory requirements.
• →Drive service stabilization and performance monitoring post-implementation.
• →Ensure high-quality documentation, reporting, and communication throughout the lifecycle (via JIRA, Confluence, Microsoft 365).
• →Establish and enforce governance, policies, and best practices across delivery and transition activities.
• →Drive continuous improvement of project and transition processes.
• →Maintain full accountability for delivery success, operational readiness, and service continuity.

• 20+ years of experience in IT, including large enterprise environments.
• At least 10+ years of experience in project, program, or transition management.
• Proven track record delivering large-scale transformation programs/projects and associated service transitions.
• Demonstrated experience managing complex initiatives with budget oversight exceeding 20M€.
• Proven ability to deliver tangible results in critical operational and high-risk environments.
• Certification in a project or service management methodology (e.g., PRINCE2, PMI, PMBOK, PM2, ITIL) — at least one required.
• Min. 2 days/week onsite.
• Dutch or French: C2 level (native or near-native proficiency in at least one). English: C1 level (advanced working proficiency).

Higher scores will be awarded for:

• Experience exceeding the minimum conformity requirements;
• Delivery of large-scale and complex transformation initiatives;
• Successful transition of solutions into operational environments;
• Experience in cybersecurity and critical operational environments;
• Exposure to senior business, IT and executive stakeholders.

1. Project & Transition Management Experience Demonstrated experience managing end-to-end initiatives, including project delivery, operational transition, service readiness, stabilization and business adoption.

2. Cybersecurity & Operational Readiness Expertise Experience delivering projects within cybersecurity environments, including knowledge of Identity & Access Management (IAM), operational handover, service continuity, compliance and security best practices.

3. Stakeholder & Executive Management Proven ability to align business, IT, security and operations stakeholders, manage governance structures, and provide reporting and decision support at senior management and executive level.

4. Governance, Methodology & Service Management Practical application of project, transition and service management frameworks such as Agile, Scrum, SAFe, Waterfall/Hybrid, ITIL and COBIT in complex enterprise environments.

5. Communication, Documentation & Tool Proficiency Ability to produce high-quality documentation, reporting, transition plans, operational readiness documentation and executive presentations, supported by experience with Microsoft Project, Jira, Confluence and Microsoft 365.

Higher scores will be awarded for:

• Experience exceeding the minimum conformity requirements;
• Delivery of large-scale and complex transformation initiatives;
• Successful transition of solutions into operational environments;
• Experience in cybersecurity and critical operational environments;
• Exposure to senior business, IT and executive stakeholders.

1. Project & Transition Management Experience Demonstrated experience managing end-to-end initiatives, including project delivery, operational transition, service readiness, stabilization and business adoption.

2. Cybersecurity & Operational Readiness Expertise Experience delivering projects within cybersecurity environments, including knowledge of Identity & Access Management (IAM), operational handover, service continuity, compliance and security best practices.

3. Stakeholder & Executive Management Proven ability to align business, IT, security and operations stakeholders, manage governance structures, and provide reporting and decision support at senior management and executive level.

4. Governance, Methodology & Service Management Practical application of project, transition and service management frameworks such as Agile, Scrum, SAFe, Waterfall/Hybrid, ITIL and COBIT in complex enterprise environments.

5. Communication, Documentation & Tool Proficiency Ability to produce high-quality documentation, reporting, transition plans, operational readiness documentation and executive presentations, supported by experience with Microsoft Project, Jira, Confluence and Microsoft 365.

The following qualifications are considered an asset and may contribute to a higher score under the relevant evaluation criteria:

• CISSP certification;
• ISO/IEC 27001 certification or equivalent;
• Experience with quantitative risk analysis techniques (e.g. Monte Carlo analysis).

• Proven ability to lead, inspire, and align cross-functional teams in both delivery and transition contexts.
• Strong organizational, coordination, and prioritization skills across multiple workstreams.
• Results-oriented, proactive, and highly structured approach.
• Strong leadership, coaching, and conflict resolution capabilities.
• High level of autonomy, professionalism, and integrity.
• Ability to navigate ambiguity and drive clarity in complex transformation environments.

As a Keystone Solutions consultant, you will tackle diverse cybersecurity and transition challenges across client environments, working closely with business, IT, security, and operations stakeholders. This mission offers exposure to large-scale transformation programs with significant budget oversight and complex governance.

Keystone Solutions supports your growth with continuous learning, knowledge sharing, and access to best practices across Agile, SAFe, Waterfall/Hybrid, ITIL, and COBIT. You will enhance your proficiency with tools such as Microsoft Project, Jira, Confluence, and Microsoft 365 while gaining hands-on experience in service readiness, operational handover, and stabilization.

Through varied client engagements, Keystone Solutions enables accelerated career progression. You will build a track record in delivering tangible results in critical operational and high-risk environments, with visibility to senior and executive stakeholders.

Being a K-Stone means bringing integrity, accountability, and excellence to every client engagement. You will uphold governance, compliance, and service management best practices while driving continuous improvement and service continuity in partnership with our client.

• Consultancy engagement with our client through Keystone Solutions.
• Minimum 2 days/week on-site at the client.
• Languages: Dutch or French at C2 level (native or near-native proficiency in at least one) and English at C1 level (advanced working proficiency).

If you are ready to tackle technical and strategic challenges in a dynamic consultancy environment, apply today at Keystone Solutions Career Portal.