F5 Network & Security Engineer

• Design and implement F5 BIG-IP solutions for application delivery and network traffic management.
• Develop load balancing and high-availability architectures for enterprise applications.
• Configure and administer:
• Virtual Servers
• Pools
• Nodes
• Health Monitors
• iRules
• SSL Profiles
• Traffic Policies
• Manage SSL/TLS certificates, SSL offloading, encryption, traffic inspection, and reporting.
• Deploy and maintain F5 Advanced Web Application Firewall (AWAF) policies.
• Integrate authentication and access management using F5 APM and enterprise identity services.
• Perform performance tuning, capacity planning, and service optimization.
• Support incident, problem, and change management activities.
• Execute security patching, software upgrades, and lifecycle management of F5 infrastructure.
• Troubleshoot application delivery, connectivity, and performance issues, performing root cause analysis.
• Produce technical documentation, operational procedures, and knowledge transfer documentation.
• Collaborate with infrastructure, security, networking, and operations teams to deliver secure and reliable services.

• Bachelor’s or Master’s degree in Electronics, ICT, Telecommunications, or equivalent professional experience.
• Strong experience with F5 BIG-IP solutions in enterprise environments.
• Experience designing and implementing load balancing and high-availability architectures.
• Hands-on experience with:
• F5 LTM
• F5 APM
• F5 AWAF / ASM
• iRules
• SSL Profiles
• Traffic Policies
• Experience managing SSL/TLS certificates and encryption.
• Strong knowledge of IP networking in enterprise, multi-site, and data center environments.
• Experience with enterprise firewall technologies such as:
• Check Point
• Palo Alto
• Fortinet
• Juniper
• Experience troubleshooting network connectivity and application delivery issues.
• Understanding of network security concepts and architectures.
• Ability to work independently and manage operational priorities.
• Strong communication and stakeholder management skills.
• Professional proficiency in English.
• Good working knowledge of Dutch and French.
• Must be legally authorized to work in Belgium.

Technical Skills:

• F5 BIG-IP
• F5 LTM (Local Traffic Manager)
• F5 APM (Access Policy Manager)
• F5 AWAF / ASM (Web Application Firewall)
• Load Balancing
• High Availability (HA)
• SSL/TLS Certificate Management
• SSL Offloading
• iRules
• Virtual Servers
• Pools
• Nodes
• Health Monitors
• Traffic Policies
• IP Networking
• Data Center Networking
• Network Security
• Check Point Firewalls
• Palo Alto Firewalls
• Fortinet
• Juniper
• VPN Technologies
• Authentication & Identity Management
• Performance Optimization
• Capacity Planning
• Incident Management
• Problem Management
• Change Management
• Root Cause Analysis
• Technical Documentation

Nice-to-Have:

• Experience working in utility, energy, or critical infrastructure environments.
• Experience with large-scale enterprise networking projects.
• Knowledge of data center infrastructure and application delivery optimization.
• Experience supporting highly available production environments.
• Familiarity with Agile or ITIL practices.

Nish Tech BV is a global IT consulting and staffing company specializing in connecting skilled technology professionals with leading organizations across Europe. We deliver high-quality talent and innovative technology solutions across networking, cybersecurity, cloud infrastructure, digital transformation, and enterprise IT, helping our clients achieve their business objectives through expertise and innovation.