Senior Infrastructure Engineer

JR United Kingdom; Barnsley; On-site; GBP 60,000 - 80,000; Full time

Job summary

An established industry player is looking for a hands-on IT Technical Infrastructure Manager to oversee the planning, delivery, and security of enterprise IT systems. This pivotal role involves managing core infrastructure components such as Windows Server, Active Directory, and security tools while ensuring compliance and driving continuous improvement. The ideal candidate will possess strong technical expertise in the Microsoft stack and have a solid understanding of IT security frameworks. Join a forward-thinking team where you can make a significant impact on the organization's IT capabilities and resilience.

Qualifications

• 5+ years in IT infrastructure leadership roles.
• Strong technical expertise across Microsoft stack and cloud environments.

Responsibilities

• Lead strategy, design, and management of IT infrastructure and cloud migration.
• Ensure system integrity, security, and compliance.

Skills

IT Infrastructure Leadership

Microsoft Stack (AD, Entra, Exchange, SQL, O365)

Cloud Migrations

ITIL Practices

Cybersecurity (ISO27001:2022, Cyber Essentials Plus)

Troubleshooting Skills

Stakeholder Management

Vendor Coordination

Job description

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We’re seeking a hands-on IT Technical Infrastructure Manager to lead the planning, delivery, and security of our enterprise IT systems. You’ll oversee core infrastructure including Windows Server, Active Directory, Entra ID, networking, and security tools, while driving system resilience, compliance, and continuous improvement.

Responsibilities

• Lead strategy, design, and management of IT infrastructure and cloud migration.
• Ensure system integrity, security (ISO27001:2022, Cyber Essentials Plus), and compliance.
• Provide expert 3rd-line technical support and guide solution architecture.
• Work with internal teams and external suppliers to deliver reliable, secure services.
• Drive innovation, service improvement, and future-proofing of IT capabilities.
• Manage vendor relationships and contract performance.
• Engage stakeholders and translate business needs into technical solutions.
• Proactively assess and mitigate infrastructure risks.

Skills / Experience

• 5+ years in IT infrastructure leadership roles.
• Strong technical expertise across Microsoft stack (AD, Entra, Exchange, SQL, O365).
• Experience with cloud migrations and hybrid environments.
• Solid grasp of ITIL practices and IT security frameworks (NIST, NCSC, CIS).
• Cybersecurity experience including ISO27001:2022 and Cyber Essentials Plus.
• Excellent troubleshooting, stakeholder management, and vendor coordination skills.