Network Security Engineer F5

Brussel
|Brussel
|Network Security Engineer
|Freelance |Payroll (consultancy)
# INW28269

Function

We’re looking for a Senior Network & Security Engineer to join our client’s team and take ownership of the security, administration and continuous evolution of critical network security infrastructure. This is a highly autonomous, hands-on role for an experienced security professional who can combine strong technical expertise with a structured approach to risk management, vulnerability remediation and incident response.

Role & Responsibilities

  • Install, configure, administer and continuously improve F5 / Advanced Web Application Firewall (AWAF) infrastructure, including APM, ASM, LTM, Identity Provider and SSL VPN technologies.

  • Develop, document and monitor the implementation of security policies and standards.

  • Continuously assess the security posture of IT systems and identify potential threats, vulnerabilities and weaknesses.

  • Conduct technical risk assessments across different IT environments and provide actionable recommendations.

  • Implement remediation measures to address identified vulnerabilities and improve the overall security posture.

  • Advise on secure technical solutions for internal and external partner connectivity, including intranet and internet connections.

  • Contribute actively to security incident and crisis management, including coordinated attacks, network intrusions, malware/virus incidents and other critical security events.

  • Produce clear and rigorous technical documentation, security assessments and incident/crisis reports.

Technical Profile

The ideal candidate has extensive experience in network and IT security, with strong expertise in:

  • F5 / AWAF installation, configuration, administration and troubleshooting.

  • Application and network security technologies, including APM, ASM, LTM, Identity Provider and SSL VPN.

  • Network and application firewalls, particularly technologies such as Palo Alto, Forcepoint and Panorama.

  • VPN and Web Proxy solutions.

  • Network security protocols and technologies including TCP/IP, HTTP/HTTPS, SSL and SNMP.

  • Security monitoring, log analysis and correlation tools such as Splunk, Nessus and Elastic SIEM.

  • Wireless network security, including Wi-Fi, WEP, WPA/WPA2 and encryption principles.

  • Remote-access and site-to-site VPN solutions, Web Proxy technologies and terminal-server environments such as Citrix.

Experience & Soft Skills

  • 7+ years of relevant experience, with approximately 10 years or more in IT security strongly preferred.

  • Proven ability to work independently under general direction and take ownership of complex technical security matters.

  • Demonstrated experience handling security incidents and operating effectively under pressure during crisis situations.

  • Strong analytical, risk-assessment and problem-solving capabilities.

  • Excellent written and verbal communication skills, with the ability to produce high-quality technical documentation and communicate effectively with both technical teams and management.

  • Team-oriented, methodical, precise and client-focused.

  • English is essential for technical communication; knowledge of French and/or Dutch is highly valued, with bilingual proficiency in French and Dutch considered an advantage.

  • Degree in Computer Science, Electronics, IT or a related field, or equivalent professional experience.

Contactperson & Reference

Back Print
Pieter Messely
Pieter Messely
pieter.messely@i4m.be
Cell phone:
(0) 470 026 712

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Network Security Engineer F5
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