Network Security Analyst

Network Security Analyst - Belfast

Permanent | Full-Time

My client, a leading global professional services firm with a major tech presence in Belfast, is seeking a Network Security Analyst to join their expanding Technology Services team.

If you're looking to step into a role where security is treated as a true business priority-not an afterthought-this is a rare opportunity to join a high-calibre team operating at enterprise scale.

About the Team

Information security sits at the heart of the organisation's global technology strategy. With full senior leadership backing, the security function is continuously evolving to meet emerging threats and maintain the firm's reputation as a trusted partner to high-profile international clients.

The in-house security team operates to recognised industry frameworks and standards, with a strong emphasis on proactive defence, secure configuration, and continuous improvement. You'll work alongside seasoned security, infrastructure, and compliance professionals-along with specialists who advise global clients on cybersecurity risk and incident response.

What You Will Do

Network Security Operations

• Support the maintenance and secure configuration of firewalls and network security appliances.

• Contribute to defining and implementing firewall rules, policies, and configurations.

• Monitor key network security indicators to spot risks and potential compromises.

• Carry out firmware upgrades and configuration changes with guidance from senior colleagues.

• Play an active role in network security enhancement initiatives aligned to wider business objectives.

Security & Compliance

• Work closely with Technology, IT, and Security teams to strengthen network infrastructure posture.

• Assist with incident response activities involving network-layer security events.

• Support audit, compliance, and client-related queries surrounding network security.

Documentation & Governance

• Help develop and maintain technical documentation, standards, procedures, playbooks, and diagrams.

• Ensure accurate records of changes, incidents, and configurations to support compliance requirements.

Development & Advocacy

• Learn from senior security engineers and contribute to team knowledge-sharing.

• Promote robust security practices and encourage risk awareness across the organisation.

• Participate in training to enhance both technical and governance capabilities.

What You Will Bring

• Strong experience in network security engineering or a related IT infrastructure/security role.

• Practical knowledge of networking fundamentals: TCP/IP, BGP, OSPF, VLANs, VPNs, etc.

• Hands-on experience with network monitoring and management tools.

• Excellent communication skills and ability to collaborate across teams.

Desirable Skills

• Degree in Computer Science, IT, Cybersecurity, or a similar field.

• Certifications such as CCNP, Azure Network Engineer Associate, or equivalent.

• Experience with cloud networking (Azure, AWS, or Google Cloud).

• Familiarity with frameworks such as ISO 27001.

What's on Offer

A comprehensive benefits package including:

• Pension and income protection

• Private healthcare

• Access to well-being and mental health resources

• Enhanced leave options and flexible support services

• Lifestyle benefits, discounts, and career development opportunities

The organisation is committed to creating an inclusive, accessible recruitment process, with adjustments available on request.

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 02896935520 or s.kennedy@mcsgroup.jobs.

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.