Senior Network Engineer

Company: Assala Energy
Apply for the Senior Network Engineer
Location: London
Job Description:

Location: Hammersmith, London

Department: IT

Assala Energy is a dynamic Oil and Gas Exploration and Production company committed to the sustainable development of its assets in Gabon. We value a collaborative approach, promote diversity, and prioritize safety and integrity in all our operations.

We are looking for a Senior Network Engineer to join our IT team, playing a key role in maintaining and enhancing our global network infrastructure. You will ensure network stability security, and efficiency across our operations while driving improvements and innovation.

Responsibilities

  • Contribute to the design and implementation of Assala’s global networking roadmap
  • Maintain, monitor and troubleshoot Assala’s global network;
  • Be the focal point for all issues relating to the global network and networking security events;
  • Analyse and resolve alerts from Security Events, Information Management tools, Network Behaviour Analytics, and network monitoring incidents.
  • Create/modify configurations on switches, routers and firewalls;
  • Ensure quality assurance for Incident and Change requests, oversee the implementation of changes, and guarantee that information is accurately captured and maintained;
  • Use packet-capture tools, analyse packet flows and utilise network-based User Behaviour Analytics to understand breaches and track the propagation of malware;
  • Use Threat Intelligence Services to identify potential new threats and develop new mitigations;.
  • Actively engage with our colleagues in Gabon to enhance our shared understanding of security threats and discover innovative ways to elevate the IT function.

Essential

  • 5+ years of network design and implementation experience (Data Centre, Campus, Wi-Fi, Security).
  • Expertise in routing, switching, and network architecture.
  • Experience in PaloAlto
  • Industry certifications – Any of the following – (Arista ACE 3-7, CCNA, CCNP, CCIE, PCNSA, PCNSE).
  • Experience with network security architecture (Zones and Policy)
  • Strong communication and problem-solving skills.
  • Enjoys research into emerging threats in the security landscape and identifying and analysing real-world threats

Desirable

  • Experience in Azure networking and security
  • A strong desire to utilise your skills in ways that contribute to the improvement of the global IT function.
  • Proficiency in both written and spoken French is a plus

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Posted: May 21st, 2026