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Templeton & Partners - Innovative & Inclusive Hiring Solutions

Network Security Engineer

Hybrid

Antwerp, Belgium

Freelance

10-02-2026

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Skills

Penetration Testing Firewalls Encryption Wireshark Product Knowledge Networking Linux Windows Azure Microsoft Azure

Job Specifications

Network & Security Engineer

Location: Antwerp / Belgium (Hybrid)

Employment Type: Full-time

Role Overview

We are looking for an experienced Network & Security Engineer to maintain and further develop the network and security infrastructure, acting as the Hero of the Day.

You will be the first point of contact for critical incidents and changes, ensuring high availability, stability, and security.

PLEASE NOTE: Strong hands-on experience with Juniper networking and Palo Alto security solutions is a key focus for this role.

Key Responsibilities

Act as first point of contact for critical incidents and outages.
Resolve network and security issues quickly to minimize downtime.
Coordinate escalations with internal teams and external vendors.
Prepare, execute, and document network and security changes with minimal production impact.
Design scalable, resilient, and fault-tolerant network architectures.
Configure and manage routers and switches (VLANs, OSPF, BGP, STP, LLDP, ARP).
Implement and maintain firewalls and load balancing solutions.
Monitor and troubleshoot using tools such as Wireshark, Tcpdump, Nagios, Flowmon, Observium, Iproute2, and Netsh.
Mitigate DDoS attacks.
Configure NGFW rules, IDPS systems, and NAC solutions.
Perform security audits and penetration testing.
Implement SSL/TLS, IPsec, and VPN technologies.
Maintain documentation and ensure compliance with ISO 27001.

Required Skills

Strong knowledge of network design, routing, switching, and firewall technologies.
Experience with load balancing and performance optimization.
Advanced troubleshooting and packet/root cause analysis skills.
Hands-on experience with NGFW, IDPS, NAC, Radius/TACACS.
Solid knowledge of encryption protocols and VPN technologies.
Stress-resistant, solution-oriented, and communicative team player with a customer-focused mindset.

Preferred Product Knowledge (Strong Focus)

Networking

Juniper Switching (EX, QFX)
Juniper MIST (LAN/WLAN)
Juniper APSTRA

Security

Palo Alto Firewalls
Palo Alto Prisma Access

Load Balancing & Application Security

F5 LTM, F5 ASM

Other Technologies

Packetlight (Darkfiber Muxponder), Infoblox, Cloudflare, Elastic

Cloud & OS

Microsoft Azure Networking
Linux & Windows fundamentals

Documentation

Microsoft Visio

If your experience aligns with the qualifications described above, please apply or email: Busra.Dogu@templeton-recruitment.com

About the Company

A global technology recruitment agency, we supply specialist IT Contractors, C-Suite Executives and entire tech teams under Statement of Work solutions, and provide tech jobs for IT professionals. Our team are 70% international and speak 25 languages. Across 8 offices in London, Paris, Amsterdam, Berlin, Zurich, Warsaw, Bangalore and New York we provide local candidates in 40 countries globally including Belgium, France, Spain, the Nordics, USA, India and China. Even in 2021, only 17% of European and 19% of UK tech special... Know more