Network Security Engineer

Europe, United Kingdom, London
Job ID: 2119

Job Description

[c. £150-200k Comp Package | Onsite Working]

Our client, a leading global investment management firm, is seeking a highly skilled Network Security Engineer to join their Information Security team. The successful candidate will play a crucial role in engineering, automating, implementing, and operating new and emerging technologies across infrastructures supporting perimeter security, DMZs, firewalls, proxies, vulnerability scanning, and Network Access Control (NAC).

Key Responsibilities:

  • Lead, implement, and manage key monitors for network security controls across perimeter networks
  • Certify and assure network security best practices through auditing and monitoring
  • Provide security consultancy and engineering support for the Security Operations InfoSec team
  • Implement automation for perimeter security technologies to remediate vulnerabilities and identify gaps
  • Liaise with stakeholders to create and enforce Network Security policies
  • Perform system audits and vulnerability assessments, managing remediation efforts
  • Develop and maintain documentation of Security products, tools, technologies, and processes
  • Participate in Information Security Incident Response activities

Key Requirements:

  • 5+ years' experience in a technical role, with 3+ years' focus on network and information security, preferably in finance
  • Hands-on experience with at least 2-3 of the following:
    • Firewall configuration management and auditing (RedSeal, FireMon)
    • Next-Generation Firewalls (Palo Alto, Cisco)
    • Load-Balancers (F5, NetScaler)
    • Intrusion Detection/Prevention Platforms (SourceFire, Palo Alto)
    • Network Detection and Response (Extrahop, Darktrace, Zeek)
    • Network Access Control (Cisco ISE, ForeScout)
  • Strong knowledge of TCP/IP and infrastructure (DNS, Wi-Fi, virtualisation)
  • Experience with network sniffers and packet capture tools (tcpdump, Wireshark, ngrep)
  • Knowledge of routing protocols (BGP, EIGRP, OSPF) and cloud services (AWS, GCP, Azure) preferred
  • Development and scripting skills (Python, PowerShell, Shell)
  • Knowledge of SIEM platforms (Qradar, Splunk, ELK) preferred
  • Ability to prioritise in a fast-paced, constantly changing environment
  • At least one security certification (CISSP, GCIA, CISM, etc)

Apply for this role

All fields marked with * are required.

I confirm I have a pre-existing Right to Work in this location *

Back to Job Listings