Senior Network and Security Engineer

Overview

As a Network and Security Engineer at Publicis Re:Sources, you will support the IT Infrastructure Network and Security Operations across a global environment. You will join a cross-country team delivering Level 2–3 technical support and administration, shaping secure, high-performance networks. You’ll tackle multi-site challenges, from firewall management to intricate routing, in a fast-paced, collaborative setting. This role offers impact through scalable, enterprise-grade network solutions within a renowned media and advertising services context.

Pay / Benefits

• hybrid working pattern
• pension
• life assurance
• private medical
• annual leave 25 days + 8 bank holidays
• Birthday Day Off

Responsibilities

• Provide Level 2–3 support and administration for network and security operations across multiple sites and countries
• Lead and manage projects, balancing scope and stakeholder expectations
• Install, configure and maintain Check Point firewalls, VPNs, and perform routine upgrades
• Design and support Layer 3 networks across multi-site environments; manage switches and related devices
• Monitor security devices and applications, troubleshoot performance issues, and support clients/end users
• Coordinate with Internet Service Providers for maintenance, outages, and upgrades
• Contribute to hybrid cloud and on-premise network/security designs; adapt to multi-vendor environments
• Participate in a large integrated ecosystem with effective stakeholder engagement
• Travel as needed for project work

Key requirements

• 8+ years in Level 2 Network and Security Operations support
• 8+ years installing/configuring Check Point, VPNs, and upgrades
• 8+ years designing Layer 3 networks across multiple sites/countries
• 8+ years managing network switches and devices
• 8+ years monitoring security devices and providing troubleshooting
• Experience in media/entertainment domain is a plus
• Education: Bachelor’s degree or equivalent
• Certifications: CCNA mandatory, CCNP preferred; Check Point and Arista certifications a plus

• strong customer service orientation
• excellent communication skills
• ability to work under pressure in a multi-vendor environment
• Check Point firewalls
• Arista, Dell, Mellanox, and Cisco switches
• Linux administration

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