Portfolio manager - defence & Security We are currently looking for a Principal Portfolio Manager to strengthen our team and lead portfolio management initiatives within the Defence & Security sector. This senior role requires strong leadership in portfolio design, project execution, and continuous improvement to ensure alignment with strategic objectives and long-term transformation goals. Key responsibilities Design and implement a portfolio & program management framework aligned with division strategy Enhance and improve portfolio management processes and foster a culture of adaptability and change Define priorities within the portfolio to ensure optimal resource allocation Drive the execution of programs and projects, ensuring quality, timely delivery, and stakeholder satisfaction Monitor and report progress using KPIs and performance indicators Identify, evaluate, and mitigate risks across the portfolio Stay informed about industry standards, methodologies, and best practices Required skills & experience Master's degree and a minimum of 5 years' experience in related fields Solid expertise in portfolio and project management Experience in complex systems and IT programmes (defence, Telecom, intelligence, surveillance, or related areas) Proven track record in progress tracking and reporting Project Management certification (PMP, Prince2, or equivalent) Nice-to-have qualifications Portfolio Management certification (e.g. Management of Portfolios - MOP) Certification in Risk Management Experience in long-term IT portfolio planning Strong skills in developing KPIs and quality frameworks Soft skills Excellent communication and stakeholder management Collaborative team player Proactive and solutions-driven Additional information Languages: English (mandatory) Location: South of Brussels area (easy access from the capital) Work setup: On-site role with limited remote flexibility Start date: Mid-November 2025 Contract: 6 months, with possible extensions into 2026-2027 Interested or know someone who might be a good fit? Let's connect!