End-User Security Engineer - Email & Web Protection Lead

Netrio; Belfast City District; On-site; GBP 60,000 - 85,000; Full time

Job summary

Netrio in Belfast seeks an experienced IT Support professional to lead technical deployments and provide expert support for security platforms (INKY, Proofpoint, Umbrella, Mimecast). You will troubleshoot complex issues, mentor juniors, and coordinate with clients and internal teams to deliver secure, reliable services.

The role requires strong Windows/macOS skills, 365 security, and deep knowledge of cloud identity, MDM, email security, and network services.

Qualifications

• Minimum 5 years of IT support experience in an MSP environment.
• Expert-level knowledge of Microsoft 365: security, administration, deployment, and migration.
• Strong skills in Microsoft Windows, macOS, Microsoft Entra ID, Intune, Exchange, Defender, and endpoint protection.
• Solid understanding of Azure infrastructure: cost optimization, performance, security, and Azure Landing Zones.
• Proficiency in Intune MDM: policy creation, device enrollment, and management.
• SharePoint administration and migration strategy knowledge.
• Experience with DNS, DHCP, Active Directory, and Group Policy.
• Knowledge of email and security tools (Umbrella 365, INKY, Proofpoint) and email protocols (SPF, DMARC, DKIM).
• Patching, software packaging, and modern device setup methods.

Responsibilities

• Communicate effectively with clients to understand their technology needs and provide tailored recommendations.
• Lead the implementation, configuration, and ongoing support of email and web security platforms including INKY, Proofpoint, Cisco Umbrella, and Mimecast.
• Troubleshoot complex technical issues and perform Root Cause Analysis (RCA) in email filtering, phishing protection, and secure web access.
• Mentor junior team members and share knowledge.
• Work within a ticketing system ensuring timely updates to clients and internal teams.
• Lead system deployments independently or with team members.
• Document completed work and train support staff on client-specific systems and configurations.

Skills

Microsoft 365 Security

Intune MDM

Azure Administration

Exchange Admin

Active Directory

Email Security Tools

DNS & DHCP

Policy & GPO

Endpoint Protection

Security Troubleshooting

Tools

INKY

Proofpoint

Umbrella 365

Mimecast

Job description

Netrio in Belfast seeks an experienced IT Support professional to lead technical deployments and provide expert support for security platforms (INKY, Proofpoint, Umbrella, Mimecast). You will troubleshoot complex issues, mentor juniors, and coordinate with clients and internal teams to deliver secure, reliable services.

The role requires strong Windows/macOS skills, 365 security, and deep knowledge of cloud identity, MDM, email security, and network services.