Network Systems Administrator

2 weeks ago


City Of London, United Kingdom Onyx-Conseil Full time

**Onyx-Conseil is seeking an accomplished Network Support Analyst**

As a seasoned professional with at least 5 years of experience in network administration and support, you will be responsible for managing and delivering all aspects of our network services, including BAU tasks, design, and implementation of scalable solutions.

Your responsibilities will include:

  • Providing comprehensive network services across various domains, encompassing networks, telephony, PABX, voice recording, and desk moves.
  • Collaborating on disaster recovery planning, testing, and implementation to ensure business continuity.
  • Contributing to the design, build, and implementation of firewall solutions, ensuring robust perimeter-to-DMZ configurations.
  • Supporting the deployment of IPS systems across European sites, maintaining compliance with global security standards.
  • Interpreting network security reports, identifying vulnerabilities, and implementing improvements.
  • Coordinating the migration of our network estate to a newly adopted security framework.
  • Facilitating internal and external audits, ensuring compliance with industry best practices.
  • Maintaining industry-recognized skills through continuous learning and self-improvement.
  • Demonstrating expertise in datacentre management, including branch interconnectivity.

**Requirements and Benefits**

  • Cisco CCNA certification.
  • Strong understanding of Layer 2 switching, routing, VPN, TACACS, RADIUS, NAT/PAT, and VSS.

Estimated salary: £55,000 - £70,000 annually.



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