Infrastructure Security Analyst

As a leading business in secure financial transaction processing, security is at the core of Isabel Group. The Infrastructure Security Analyst plays an important role in our Operational Security team to ensure the confidentiality, integrity and availability of all Isabel information.


Your role

The Infrastructure Security Analyst will:

  • provide specialist support within the security team for all matters relating to the monitoring, detecting, and reporting of cyber security related events coming from Isabel’s networks, our partners, and customers.
  • take on an advisory role in matters of cyber security to the organization and will have a supporting role in the development, issuance and maintenance of the detailed security strategies and policies.
  • support incident handling activities throughout the incident response and forensic analysis process (handling compromised machines and/or supporting HR/Ethics/Legal cases).
  • be responsible for successfully leveraging security data from internal (logs, firewalls, hosts, etc.) and external (Industry portals, mailing lists, newsgroups, etc.) sources in an effort to implement effective mitigations to protect Isabel’s network perimeter.
  • provide specialist support for monitoring, detecting, and reporting of security related events coming from a large variety of sensors.
  • ensure 24/7 security event analysis activities.
  • perform technical coordination internally and externally as required.
  • provide technical support to forensic investigations.
  • develop and maintain customized sensor and correlation filters and signatures to address Isabel-specific threats and vulnerabilities.
  • monitor all detection capabilities to ensure their expected performance.
  • conduct and direct technical aspects of trend and threat analysis in order to optimize Isabel’s sensors and to propose modifications to audit policies.
  • provide technical expertise on the operational processes of the different areas of cyber security


Your profile

This position requires an understanding of networking, cloud, system administration, architectures, and security elements to include firewalls, intrusion detection systems, routers and proxies.

You will be required to produce cohesive technical intelligence reports and an ability to adhere to the highest standards of ethics and professional conduct are an absolute must.



  • Educated to degree level with a specialization in information security or information technology or have relevant experience in the domain.
  • Proven information security background with at least 3 years’ experience in a similar role or 3 years with a Master’s Degree in a relevant field.


Generic skills required are:

  • Fluency in English AND Dutch or English AND French
  • Strong communication skills - both written and verbal
  • Ability to work independently and work well under pressure


Technical skills required are:

  • Deep understanding of information security tools and processes
  • Hands on knowledge of cloud security of one of AWS, Azure, or GCP.
  • Good understanding of networking, system administration, architectures, and security elements
  • System and Network Vulnerability Assessment
  • Experience with host and network based forensics
  • Programming/scripting experience
  • Experience with managing network equipment, routers, switches, firewalls (at least one of the following: Palo Alto, Cisco, Checkpoint)
  • Technical knowledge in network security products, cryptographic suites


Desired Skills

  • Knowledge of vulnerability management tools like Qualys suite or Tenable
  • Experience working in SOC
  • Experience working in DevOps environment
  • Secure Development Life Cycle knowledge and code review tools like Fortify, …
  • Setting web proxy policies/configurations (e.g. Palo Alto, Bluecoat, F5 …)
  • Open source tools like Nmap, Netcat, Metasploit
  • Security Scanners like: Nessus, Nmap, HP nCircle
  • Physical/Data Link Layer, Dynamic routing (BGP, MPLS…)
  • Scripting skills: Python, bash, powershell …
  • Log management solutions (Splunk, Logjam, Syslog, ArcSight)
  • Enterprise DNS management (Infoblox)


Why us ?

  • You will work for Isabel Group, the first & leading Fintech of Belgium (°1995). We are experts and know our stuff and we can rely on an eco-system of strategic partners to work with…
  • …and we look ahead and think about our customers’ future needs when developing new features and solutions
  • You will receive a competitive salary package accompanied by fringe benefits
  • You will have flexible hours and the possibility to work from home
  • It takes about 42 steps from Brussels Central Station to our front door
  • We have a team of volunteers who make it their mission to spoil us with game nights, banana pie, weekly fruit baskets, massages, monthly breakfast and much (much) more


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