Mid-Level Systems Engineer (Fully Remote)

Our client, a fast-growing technology organisation with global operations, is seeking a proactive Infrastructure & Systems Engineer to join their high-performing technical operations function. This person will take ownership of both on-premise and cloud-based infrastructure, playing a key role in modernising legacy systems while maintaining the performance and resilience of existing services. The organisation maintains a demanding operational environment with 24/7 availability standards and a commitment to service excellence. The successful candidate will be instrumental in maintaining core IT infrastructure, contributing to long-term strategy, and supporting the stability of mission-critical systems. This role is well-suited to someone with strong technical problem-solving capabilities and the ability to balance hands-on engineering with strategic thinking. Key Responsibilities Lead the development and support of enterprise-wide systems infrastructure, including servers, storage, networks, and virtualisation layers. Build and maintain secure, high-availability environments across cloud and physical platforms, ensuring performance, capacity, and security align with business demands. Deliver both project-based infrastructure implementations and BAU support, contributing to disaster recovery, capacity planning, and technical documentation. Support a broad ecosystem of technologies-ranging from Windows/Linux servers and Active Directory to storage arrays, network devices, and cloud environments. Contribute to the migration of legacy infrastructure to more modern frameworks, using automation and scripting to optimise deployment and configuration. Liaise with senior engineers, architects, and security professionals to troubleshoot and resolve complex infrastructure issues. Implement and monitor backup strategies, patching, performance tuning, and system upgrades. Document processes, changes, and designs thoroughly to ensure repeatability and compliance. Monitor infrastructure systems to detect anomalies, enforce uptime standards, and support audit readiness. What We're Looking For Degree in Computer Science, Engineering, or related field (or equivalent hands-on experience). 2 years' experience in a hybrid infrastructure environment (on-premise and cloud). Hands-on proficiency with: Windows and Linux server administration Active Directory, DNS, DHCP, DFS, Group Policy Virtualisation technologies such as Hyper-V and VMware (vSphere/ESXi) Layer 2/3 networking: switching, routing, VLANs, VPN, DNS Some experience with scripting (PowerShell, Bash, Python preferred) Familiarity with patching, endpoint protection, and systems monitoring tools Strong documentation, planning, and organisational skills Ability to manage competing priorities with minimal supervision in a fast-paced setting Team-oriented approach with excellent communication skills Nice to Have - Exposure to cloud platforms such as Azure and AWS - Familiarity with infrastructure automation tools like Ansible - Experience with multi-site clustering or distributed failover setups This is an exciting opportunity for someone looking to build their expertise in a dynamic environment while supporting enterprise-grade infrastructure. You'll work alongside a knowledgeable team and have access to the latest tools and technologies as part of a company that values initiative, technical curiosity, and continuous improvement. Skills: Infrastructure IT Systems Engineer Azure Cloud