> Markdown version of [/jobs/ext/297236-it-security-expert](https://www.wearedevelopers.com/jobs/ext/297236-it-security-expert). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # IT Security Expert - **Company:** Quintet Private Bank - **Location:** Luxemburg, Belgium - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Antivirus Softwares, Cyber Security, Virtual Private Networks (VPN), Remote Access Technology, Software Vulnerability Management, In-Plane Switching (IPS), Cyber Threat Analysis, Firewalls (Computer Science), Malware Detection, CIS Benchmarks, Vulnerability Analysis - **Published:** June 17, 2026 - **Apply:** https://www.quintet.com/en-gb/vacancies/job/it-security-expert/3327 ## About the Role * 5+ years of experience in IT Security, with strong hands-on experience in enterprise network administration. * Strong knowledge of security frameworks and best practices (e.g., NIST, ISO 27001). * Proven experience in network and security operations within complex environments. * Experience with penetration testing methodologies and tools. * Familiarity with security technologies, including firewalls, IDS/IPS, and SIEM solutions. * Excellent analytical and problem-solving skills. * Strong communication skills, with the ability to present technical information clearly to diverse audiences. * Relevant certifications (e.g., CISSP, CEH, CISM, CCNP Security, etc) are highly desirable. * Ability to collaborate effectively with cross-functional teams Attributes and Qualities * Adaptability & Learning Agility * Time Management * Communication (Verbal & Written) * Client-Centric Mindset * Collaborative Teamwork Technical Skills * Strong knowledge in Security Frameworks and Standards. Knowledge of security frameworks (ISO 27001, NIST, CIS Controls) and Compliance regulations (GDPR, DORA, etc) * Strong knowledge Firewall Next Generation (VPN, IPS, Anti-malware, Sandbox, URL Filtering, ...); Mail & Web gateways; * Knowledge in VPN and Remote access solutions * Knowledge in Endpoints Security (antivirus, antimalware) * Knowledge in Threat Intelligence and Vulnerability Management - Ability to analyse threat intelligence and conduct vulnerability assessments. Familiarity with security tools (SIEM, vulnerability scanners). Languages Skills * Excellent written and oral French and English skills are essential, any other language is an advantage ## Description We are looking for a skilled IT Security Expert with strong hands-on network administration expertise to join our dynamic IT Security team. The role combines IT Security Infrastructure management with deep operational knowledge of enterprise network infrastructures, ensuring that security controls are effectively implemented, and operated across on-premises, hybrid, and cloud environments. The successful candidate will work as part of the ITS Group Function - Network & Security Team in Quintet Luxembourg., * Operate the Bank Security Infrastructure (Run the Bank) including firewall policies, VPNs, IPS/IDS, and mail gateways. * Penetration Testing Coordination: Coordinate and support penetration testing efforts, analysing findings, and working with teams to address identified security weaknesses. * Vulnerabilities Process Follow-Up: Monitor and track the status of identified vulnerabilities, ensuring that remediation efforts are executed efficiently and effectively. Manage the process and provide reporting associated * Patching Follow-Up: Manage and oversee the patch management process including EDR follow up, ensuring timely application of security updates and addressing vulnerabilities in a proactive manner. * Security Dashboard Creation: Develop and maintain security dashboards to provide real-time visibility into security metrics, vulnerabilities, and incident response efforts for stakeholders * Operate the day-to-day data leakage prevention (DLP) and data exfiltration monitoring activities, including detection, investigation, and remediation of potential data leaks across network, endpoint, cloud, and perimeter layers. * Technical Risk Analysis Support: Assist in conducting technical risk assessments and analyses to identify potential security threats and recommend appropriate mitigation strategies. * Access Validation: provide guidance for specific access request by following Access control policy principles * Maintain and secure the group network infrastructure, including Lan, Wan, SD-WAN, VPN, Bank Wireless network and cloud networking. * Ensure secure connectivity between on-premises environments and cloud platforms * Collaboration: Work closely with IT teams, including CISO, to integrate security into all aspects of the organization's IT landscape. ## Related Videos - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [Thinking Differently - How to Make Money from Cyber Attacks & Cheats](https://www.wearedevelopers.com/videos/745-thinking-differently-how-to-make-money-from-cyber-attacks-cheats) - [A practical guide to writing secure Dockerfiles](https://www.wearedevelopers.com/videos/109-a-practical-guide-to-writing-secure-dockerfiles) - [Get security done: streamlining application security with Aikido](https://www.wearedevelopers.com/videos/1638-get-security-done-streamlining-application-security-with-aikido) - [Cyber Sleuth: Finding Hidden Connections in Cyber Data](https://www.wearedevelopers.com/videos/893-cyber-sleuth-finding-hidden-connections-in-cyber-data) - [The Developer Workstation Blind Spot: Why Your Security Stack Can't See What Matters Most](https://www.wearedevelopers.com/videos/100254-the-developer-workstation-blind-spot-why-your-security-stack-can-t-see-what-matters-most) ## Related Articles - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [Best Companies to Work For in Paris: Top 25 Companies in 2023 ](https://www.wearedevelopers.com/magazine/190-best-companies-to-work-for-in-paris-top-25-companies-in-2023) - [Software Developer Salary in Switzerland [2023]](https://www.wearedevelopers.com/magazine/215-software-developer-salary-in-switzerland-2023) - [IT Salaries in Germany](https://www.wearedevelopers.com/magazine/287-it-salaries-in-germany) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers) - [9 Ways to Make Money Hacking](https://www.wearedevelopers.com/magazine/333-9-ways-to-make-money-hacking)