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Network Security Engineer

Job in Belfast, County Antrim, G715PW, Northern Ireland, UK
Listing for: MCS Group
Full Time position
Listed on 2026-07-03
Job specializations:
  • IT/Tech
    Cybersecurity, Network Security, Systems Engineer
Salary/Wage Range or Industry Benchmark: 55000 - 65000 GBP Yearly GBP 55000.00 65000.00 YEAR
Job Description & How to Apply Below
Network Security Engineer Belfast or Glasgow | Hybrid | £55,000 - £65,000 A leading Managed Services and Cyber Security provider is looking to add an experienced Network Security Engineer to its growing team. Working within a specialist Network Security function, you'll provide 3rd Line support across a varied customer base, resolving complex firewall and security incidents while working alongside experienced Security Architects.

This is an excellent opportunity for someone with a strong security background who enjoys troubleshooting, customer interaction and working with enterprise technologies.

The Role As a Network Security Engineer, you'll be responsible for supporting, configuring and troubleshooting a range of network security solutions across multiple customer environments.

Key responsibilities include:

Providing 3rd Line technical support for network security incidents Configuring, maintaining and troubleshooting enterprise firewall solutions Supporting Palo Alto, Fortinet, Check Point, F5 and Juniper technologies Performing firewall rule reviews, policy optimisation and security hardening Troubleshooting VPN connectivity (IPSec & SSL VPN) Investigating and resolving complex network and security issues Working directly with customers to deliver technical solutions Producing technical documentation and supporting change management Collaborating with Security Architects on customer projects when required About You You'll have experience working within a Network Security or Infrastructure Security role, ideally within an MSP or customer-facing environment.

You'll have experience with some of the following:
Palo Alto Firewalls Fortinet Check Point F5 Juniper SRX TCP/IP, Routing, VLANs and NAT VPN technologies (IPSec & SSL) Firewall troubleshooting and policy management Network Security best practices Security certifications such as PCNSE, NSE4/7, CCSA/CCSE or Security would be beneficial but aren't essential. What's On Offer Salary between £55,000 - £65,000 Hybrid working from either the Belfast or Scotland office Exposure to enterprise Network Security technologies Work alongside experienced Security Architects Ongoing technical training and certification support Excellent career progression within a growing Cyber Security practice To speak in absolute confidence about this opportunity please send an up-to-date CV via the link provided or contact Senior Recruitment Consultant Stuart Kennedy at MCS Group on or .

Even if this position is not right for you, we may have others that are. Please visit MCS Group to view a wide selection of our current jobs.

Skills:

Network Security Engineer Benefits:
Hybrid Progression
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