Network Security Engineer

Viatel
Belfast, United Kingdom
5 days ago

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Languages
English
Compensation
£ 47K

Job location

Belfast, United Kingdom

Tech stack

Complex Networks
CompTIA Security+
Network Address Translation
Internet Protocol Security (IP SEC)
Virtual Private Networks (VPN)
Network Security
Network Diagrams
Routing
Remote Access Technology
TCP/IP
Virtual Local Area Networks
Firewalls (Computer Science)
Juniper
Palo Alto Networks
Fortinet
SSL VPN

Job description

The Network Security Engineer will be responsible for the design, implementation, support, and troubleshooting of network security solutions for customers primarily using Palo Alto Networks, Fortinet, Check Point, and Juniper security products within our Cyber division. The role involves working as part of a technical team delivering security projects, operational support, and security improvements across multiple customer environments.

  • Design, implement, and support network security solutions across customer environments.

  • Configure, manage, and troubleshoot Palo Alto, Fortinet, Check Point, and Juniper firewalls.

  • Perform firewall rule reviews, policy optimisation, and security hardening. Support VPN technologies including IPsec and SSL VPN.

  • Assist with network security incidents and troubleshooting.

  • Work with customers to gather requirements and implement security solutions.

  • Participate in change management processes.

  • Produce technical documentation and network diagrams.

  • Provide 2nd/3rd line support for network security issues.

  • Work collaboratively within a team supporting multiple customers.

Requirements

  • Experience with Palo Alto Networks, Fortinet, F5, Check Point, and Juniper SRX firewalls.

  • Strong networking knowledge (TCP/IP, VLANs, NAT, routing, VPNs).

  • Troubleshooting complex network and firewall issues.

  • Experience in customer-facing or managed services environments.

  • Knowledge of network security principles and best practices.

  • Good documentation and communication skills.

  • Palo Alto PCNSE

  • Fortinet NSE4/NSE7

  • Check Point CCSA/CCSE

  • Juniper JNCIA/JNCIS Security

  • CompTIA Security+

  • Strong problem-solving skills

  • Ability to work independently and in a team

  • Good communication skills

  • Attention to detail

  • Ability to manage multiple tasks

Benefits & conditions

  • Pension Scheme
  • Healthcare Spending Plan
  • Employee Assistance Programme
  • Employee Referral Scheme
  • Extra Holiday Purchase
  • Enhanced Family Leave
  • Sick Leave
  • Summer Flextime

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