JOB TITLE: F5 NETWORKING AND SECURITY ENGINEERING SERVICE

LOCATION: BRUSSELS, BELGIUM

LANGUAGES REQUIRED: DUTCH, FRENCH AND ENGLISH

CONTRACT DURATION:01/09/2026 -31/12/2026

WORK MODE: FULL TIME (HYBRID AND 2-3 DAYS ONSITE PER WEEK)

JOB DESCRIPTION

Here the client is looking for F5 Networking and Security Engineer Service

ROLES AND RESPONSIBILITIES

Service description:

- The F5 BIG-IP solution is an important central component within Client’s datacenter infrastructure and is heavily used to implement application load balancing, high availability concepts, security features, …

The F5 Networking and Security Engineering Service consists of following tasks:

- Load balancing and high-availability architecture design.
- Design and implementation of F5 BIG-IP solutions for application delivery and network traffic management.
- Configuration and administration of virtual servers, pools, nodes, monitors, iRules, SSL profiles, and traffic policies.
- SSL/TLS certificate management, SSL offloading, encryption configuration, traffic inspection and reporting.
- Web Application Firewall (AWAF) deployment and policy management (depending on Client’s needs).
- Authentication and access management integration using APM and enterprise identity services.
- Performance tuning, capacity planning, and service optimization.
- Incident, problem, and change management support.
- Security patching, software upgrades, and lifecycle management of F5 infrastructure.
- Root cause analysis and troubleshooting of application delivery, connectivity, and performance issues.
- Documentation, operational procedures, and knowledge transfer activities to stakeholders

Requirements:

- Should hold a bachelor’s or master’s degree in electronics, ICT or telecommunications, or have equivalent technical experience in this field.




- Must have an all-round and in-depth conceptual, practical and operational knowledge of IP Networks and their management in multi-site environments and data centres.
- Must have advanced knowledge of F5 solutions and extended experience of designing and implementing them in complex environments.
- Should have and all-round knowledge and experience of IT security concepts, architectures and implementations (e.g. Client is using Checkpoint and Palo Alto firewall technology)
- Must be willing to continuously refine and broaden his technical knowledge.
- Needs to be able to work independently and methodically, have a sense of responsibility and can assess risks accurately.
- Needs to be customer-oriented and cope well with stress,
- Needs to be adaptable and approachable (tasks may be suddenly interrupted by urgent operational issues).
- Must have good communication skills for interacting with other colleagues, departments, suppliers, service providers, …
- You are able to speak, read and write Dutch, French and English.

SKILL MATRIX:

- Years of relevant experience?
- Level of English?
- Level of French?
- Level of Dutch?
- Is it a consultant on payroll/ contracted freelancer at your company?
- Did you have a thorough interview with the candidate to check motivation, skills and share the service description?
- Did the consultant/ freelancer already take an assignment at ELIA?
- Has the consultant/ freelancer already been presented to ELIA during the past 12 months?
- Did the consultant/ freelancer have an interview at ELIA during the past 12 months?
- Is the consultant/ freelancer currently in another selection procedure (other RFP) at ELIA?
- Within what time frame would the candidate be available to start working for ELIA if selected?
- Is the candidate available to work in line with the Telework Policy?

📌 networking and security engineering service (España)
🏢 Onesource Consulting
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