Network Security Engineer at MCS Group

Position Network Security Engineer
Posted 03 Jul 2026
Expired 02 Aug 2026
Company MCS Group
Location Belfast | GB
Job Type Full Time

Job Description:

Latest job information from MCS Group for the position of Network Security Engineer. If the Network Security Engineer vacancy in Belfast matches your qualifications, please submit your latest application or CV directly through the updated Jobkos job portal.

Please note that applying for a job may not always be easy, as new candidates must meet certain qualifications and requirements set by the company. We hope the career opportunity at MCS Group for the position of Network Security Engineer below matches your qualifications.

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


WHJS1_NI

Job Info:

  • Company: MCS Group
  • Position: Network Security Engineer
  • Work Location: Belfast
  • Country: GB

How to Submit an Application:

After reading and understanding the criteria and minimum qualification requirements explained in the job information Network Security Engineer at the office Belfast above, immediately complete the job application files such as a job application letter, CV, photocopy of diploma, transcript, and other supplements as explained above. Submit via the Next Page link below.

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