Senior Infrastructure Engineer — On‑Prem & Azure Lead

Free-Work; Wallasey; On-site; GBP 50,000 - 58,000; Full time

Job summary

Acorn is seeking a Senior Infrastructure Engineer to lead a hands-on IT infrastructure team supporting on-premises systems and Azure-based services. The role focuses on delivering robust, secure, and recoverable infrastructure with 3rd line escalation support.

You will partner with the Cloud Platform, DevOps and SecOps teams to implement best practices, maintain security, and ensure compliance across environments. Excellent opportunity for senior engineers.

Qualifications

• Minimum 4 years' Infrastructure experience with senior duties or equivalent leadership in a team of engineers.
• Excellent Active Directory and related services skills.
• Experience across networking, Windows Server, storage, virtualization, security, and mail.
• Hybrid Office 365 / Exchange experience is a plus.
• Scripting with PowerShell or Ansible.
• Familiarity with ITIL processes.

Responsibilities

• Lead a hands-on infrastructure team and promote technical excellence and knowledge transfer.
• Manage on-premises infrastructure with monitors, alerts, backups and recovery plans.
• Collaborate with cloud platform team for Azure-related tasks and deployments.
• Support the 3rd line function to resolve incidents within SLA.
• Develop and maintain disaster recovery plans and operational resilience.
• Evaluate and deploy new infrastructure technologies and designs.
• Work with SecOps to remediate vulnerabilities within remit.
• Document infrastructure designs and outcomes for governance.

Skills

Active Directory

Office 365

Microsoft Exchange

PowerShell

Azure

Ansible

ITIL

Hybrid Cloud

Tools

Jira

Confluence

Terraform

Job description

Acorn is seeking a Senior Infrastructure Engineer to lead a hands-on IT infrastructure team supporting on-premises systems and Azure-based services. The role focuses on delivering robust, secure, and recoverable infrastructure with 3rd line escalation support.

You will partner with the Cloud Platform, DevOps and SecOps teams to implement best practices, maintain security, and ensure compliance across environments. Excellent opportunity for senior engineers.