Infrastructure Engineer | London (1 day per quarter on-site)

Tech Junction Ltd; Greater London; Hybrid; GBP 63,000 - 77,000; Full time

Job summary

Tech Junction Ltd in London seeks an experienced Infrastructure Engineer to manage a predominantly on-premises estate while accelerating cloud adoption. The role blends hands-on server, AD, storage and network administration with Azure cloud services and IaC automation in a hybrid work model with quarterly on-site presence.

You will design, provision, and optimize hybrid cloud infrastructures using Terraform, ARM templates, and Bicep; implement IaC scripts with PowerShell or Python; and

Qualifications

• Bachelor's degree in a technical field and 4+ years in IT infrastructure.
• Hands-on experience with on-prem and cloud (Azure) environments.
• Proficient IaC authoring using Terraform, ARM/Bicep, PowerShell and Python.
• Strong networking, AD, DNS, DHCP, and security fundamentals.

Responsibilities

• Administer, secure, and maintain on-premise server, storage, and network.
• Architect and manage hybrid cloud services on Microsoft Azure.
• Design IaC solutions using Terraform or Bicep to automate provisioning.
• Lead modernization of legacy infrastructure toward hybrid/cloud-native models.
• Monitor performance, security, and SLAs across on-premise and cloud.
• Troubleshoot complex incidents with cross-functional teams.
• Document architecture, runbooks, and migration procedures.
• Collaborate with software, security, and IT operations teams.

Skills

Azure administration

Hybrid cloud

Infrastructure automation

Active Directory management

Education

Bachelor's degree in Computer Science or related field

Tools

Terraform

ARM templates

Bicep

PowerShell

Python

Job description

Position Summary

We are actively seeking an experienced, high-caliber, and technical Infrastructure Engineer with strong, traditional hands-on infrastructure experience and modern cloud exposure to join a growing London-based business on a full-time permanent basis. In this critical infrastructure modernization role, you will be responsible for supporting, maintaining, and modernizing a heavily on-premise infrastructure environment while championing cloud adoption and automation. You will leverage your deep specialist expertise in traditional server administration, enterprise networking, Microsoft Azure cloud services, and Infrastructure as Code (IaC) to deliver uncompromised system resilience, security, and operational excellence. This opportunity offers competitive compensation (up to £70,000 per year), executive technical visibility, and exceptional career growth prospects within a dynamic UK enterprise embarking on an exciting digital transformation journey.

Detailed Job Description

As an Infrastructure Engineer supporting our London-based business operations (with remote flexibility requiring just 1 day per quarter on-site), you will take full operational, tactical, and technical ownership of on-premise infrastructure estate management, hybrid cloud integration, migration planning, and automation workflows. Your day-to-day responsibilities include administering physical and virtual servers, managing Active Directory, storage arrays, and network hardware, designing and provisioning Azure cloud resources, authoring Infrastructure as Code (IaC) scripts (such as Terraform or ARM templates), executing hardware and software lifecycle upgrades, troubleshooting complex performance bottlenecks under strict enterprise service level agreements, and collaborating closely with software development, security, and IT support squads. You will utilize your proactive troubleshooting and analytical problem-solving skills to resolve complex technical anomalies while driving the business's modernization roadmap. You will manage application requirements by ensuring strict compliance with the salary expectations and hybrid work terms.

Key Responsibilities

• Administer, configure, secure, and maintain heavily on-premise server, storage, and networking infrastructure.
• Architect, deploy, and manage hybrid cloud infrastructure services on Microsoft Azure.
• Design and implement Infrastructure as Code (IaC) solutions utilizing tools such as Terraform or Bicep to automate environment provisioning.
• Lead the modernization of legacy on-premise infrastructure estates toward scalable hybrid and cloud-native architectures.
• Monitor system performance, resource utilization, and security posture across on-premise and cloud environments.
• Troubleshoot and resolve complex hardware, operating system, network, and virtualization incidents under strict SLAs.
• Collaborate seamlessly with software engineering, cybersecurity, and IT operations squads to support project deliverables.
• Author meticulous technical documentation, infrastructure architecture diagrams, disaster recovery runbooks, and migration procedures.

Required Qualifications & Skills

• Bachelor's degree in Computer Science, Information Technology, Systems Engineering, or a related technical discipline.
• Minimum of 4+ years of progressive professional experience in IT infrastructure administration, systems engineering, and cloud operations.
• Strong, demonstrable hands-on operational experience managing traditional on-premise data center hardware, virtualized environments, and enterprise networks.
• Deep practical proficiency in Microsoft Azure cloud platform administration, identity management (Azure AD/Entra ID), and hybrid integration.
• Solid practical experience authoring Infrastructure as Code (IaC) templates and automation scripts (PowerShell, Python, Terraform).
• Proven operational knowledge of server operating systems (Windows Server, Linux/RHEL), Active Directory, DNS, DHCP, and group policies.
• Exceptional analytical, troubleshooting, debugging, and problem-solving capabilities under mission-critical enterprise conditions.
• Excellent written and verbal English communication skills with strong cross-functional collaboration and stakeholder abilities.
• Mandatory legal work eligibility and physical availability for required quarterly on-site meetings in London (1 day per quarter).

Nice-to-Have Skills

• Professional certifications such as Microsoft Certified: Azure Administrator Associate, Azure Solutions Architect Expert, or Terraform Associate.
• Prior professional working experience in businesses undergoing digital transformation from legacy on-premise to hybrid cloud models.
• Hands-on familiarity with containerization platforms (Docker, Kubernetes) and CI/CD deployment pipelines.
• Advanced knowledge of enterprise backup solutions, disaster recovery planning, and cybersecurity hardening standards.

Application Information

• Contact Name: Ryan Daly (Recruitment Consultant) [cite: ryan-daly]
• Email: [e-mail] [cite: ryan-daly]
• Salary/Rate: Up to £70,000 per annum [cite: ryan-daly]
• Deadline: Open until filled (Urgent London Modernization Opening)
• Notice Period: Immediate to 30 Days Preferred
• Contract Duration: Permanent / Full-Time Engagement (London - 1 day per quarter on-site) [cite: ryan-daly]