Job title: Senior Information Security Officer
Job location: Brussels, Belgium
Job duration: 2026-04-27 to 2026-10-31
Job weekly hours: 40 hrs./week
Job language required: Fluency in Dutch & English
Job salary range: 700 to 750 euros a day
Senior Information Security Officer
Are you passionate about AI or cybersecurity? You love working with high‑profile teams with a sure taste for challenge and variety? You dream to join a fast‑growing company with start‑up mentality? Eager to learn continuously? Join Proximus Ada!
Within the Proximus’ Centre of Excellence for AI and Cybersecurity, the mission of the Security Management and CSIRT teams is to protect Proximus, its customers, its business, its operations and reputation against external and internal threats. You will be fascinated by a highly dynamic environment, the strong collaboration and some deep technical aspects.
Your Role:
* Provide CISO‑as‑a‑Service (CISOaaS) to entities of the Proximus Group to assist with the overall reinforcement of their security posture.
* Help maintain or prepare for ISO27001 certification and achieve NIS2 compliance.
* Perform cybersecurity assessments (NIS2, ISO27001, security maturity, risk) to identify gaps, define a baseline, As‑Is state, To‑Be desired state and establish a roadmap.
* Create information security policies, procedures, guidelines and processes.
* Evaluate the existing architecture for threats and risks and make recommendations.
* Advise on cybersecurity risk and governance program.
* Assist in reaching or maintaining compliance with information security legal, contractual, or internal requirements.
* Assist IT teams with the implementation of projects acting as interim security officer and execute risk assessments.
* Define, test, and manage crisis management, business continuity, and disaster recovery plans.
* Set up reporting activities related to the status of information security.
* Organize security awareness programs.
* Respond to customer due diligence requests for the products that Proximus offers to its customers by completing security questionnaires within established SLA.
* Support direct sales with security expertise in conversations with customers.
Your Profile:
* Bachelor’s or master’s degree in cyber security or computer science.
* 5+ years of experience in a combination of audit, risk management, information security and IT roles.
* Knowledge of information security management frameworks such as ISO 27000 series, NIST, ISF, CIS and NIS2 Directive.
* Experience in multiple security domains (Risk Management, Governance, Network and Application security, Vulnerability Management, IAM, etc.), experience with various security technologies and tools and Cloud platforms.
* Experience with ISMS ISO 27001 implementations, conducting or supporting audits, risk assessments.
* Certified ISO 27001 Lead Auditor/Implementer and other certifications such as NIS2 Lead Implementer, ISO 9001 LA/LI, CISSP, CISM.
* Excellent knowledge and hands‑on experience with Microsoft Azure.
* Previous experience and knowledge in the telco domain is a plus.
* Excellent written and verbal communication skills and a high level of personal integrity.
* Can operate with a great deal of autonomy, results‑oriented and able to deliver within preset deadlines.
#J-18808-Ljbffr