Cloud & Unified Communications Infrastructure Engineer

Berkley Group; Dublin; Hybrid; EUR 85,000 - 110,000; Part time

Job summary

Berkley Group in Dublin is seeking an Infrastructure & Cloud Operations Engineer on a 6-month contract to join a global team. The role requires 7+ years in infrastructure engineering and cloud operations, with deep expertise in Microsoft 365, Teams, Exchange Online, Entra ID and Cisco CUCM.

Work will be hybrid, involving on-site collaboration with internal IT teams and MSPs. You will lead initiatives to modernise voice, monitoring, security posture and disaster recovery across core

Qualifications

• Bachelor's degree in Computer Science, IT or related field.
• 7+ years' experience in infrastructure engineering, cloud operations or similar role.
• Proven enterprise Unified Communications/telephony experience with Cisco CUCM, Unity Connection, SIP and Teams Phone.
• Experience migrating on-prem voice to cloud-based telephony.
• Strong WAN/LAN networking across routing, switching, firewalls, SD-WAN and Wi-Fi.
• Knowledge of VMware/virtualisation, storage, backups and monitoring tools.
• Infrastructure security knowledge: patching, Zero Trust and device compliance.
• Familiarity with ITIL Incident/Problem/Change processes and MSP collaboration.
• Excellent analytical and communication skills.

Responsibilities

• Maintain and support Microsoft 365 suite including Teams, Exchange Online, OneDrive and Entra ID.
• Manage on-premises servers, storage, VMware, backups and core compute environments.
• Provide senior-level troubleshooting and escalation support for complex infra issues.
• Administer and support Unified Communications and telephony (CUCM, Unity, SIP, Teams Phone).
• Support cloud-based transformation of voice services from on-prem to cloud.
• Oversee WAN/LAN, SD-WAN, internet circuits, firewalls, Wi‑Fi and cloud connectivity.
• Implement infra security controls including MFA and Zero Trust principles.
• Deliver infrastructure, cloud, network and communications projects with runbooks and docs.
• Collaborate with IT teams and MSPs; follow ITIL processes and contribute to automation.

Skills

Microsoft 365

Teams

Exchange Online

Entra ID

Intune

Windows Server

Active Directory

Group Policy

DNS

DHCP

VMware

Storage

Backup

Networking

SD-WAN

Firewalls

Zero Trust

ITIL

Cisco CUCM

Unity Connection

SIP

Teams Phone

Microsoft 365 Certification

CCNA/CCNP/CLCOR

MS-720/721/700

Education

Bachelor's degree in Computer Science or Information Technology

Tools

VMware

Intune

Cisco CUCM

Job description

Berkley Group in Dublin is seeking an Infrastructure & Cloud Operations Engineer on a 6-month contract to join a global team. The role requires 7+ years in infrastructure engineering and cloud operations, with deep expertise in Microsoft 365, Teams, Exchange Online, Entra ID and Cisco CUCM.

Work will be hybrid, involving on-site collaboration with internal IT teams and MSPs. You will lead initiatives to modernise voice, monitoring, security posture and disaster recovery across core