Infrastructure Support Specialist

Job Descriptionhackajob is collaborating with DXC Technology to connect them with exceptional professionals for this role.Infrastructure Support Specialist – JobSpecificationJOB TITLE: Infrastructure Support SpecialistLOCATION: Client Site – Onsite 5 days per week (occasional WFH), Primary location:AldermastonSECURITY CLEARANCE: DV or willing to undergo vettingROLE OVERVIEW:The Infrastructure Support Specialist plays a critical role within a highperformance, fastpacedEnterprise IT environment that supports a major publicsector client. The position is responsiblefor delivering advanced 3 rd and 4 th line support across a wide range of technologies includingWindows Server, Enterprise storage platforms, HyperV, VMware, networking, and workstationenvironments. The role demands a deep technical understanding of OnPremise datacentreoperations, as well as the ability to manage complex infrastructure estates with a focus onstability, resilience, and security.You will be a key member of the OnPrem Infrastructure Team, providing expert troubleshooting,solution implementation, and performance optimisation across server, storage, andvirtualisation layers. Daily duties include performance monitoring, patch management, capacityplanning, image deployment, system builds, BAU operational support, and proactiveidentification of risks and service improvements. Alongside BAU tasks, you will work extensivelyon a wide variety of projects covering infrastructure upgrades, platform enhancements,obsolescence remediation, data centre improvements, HyperV cluster lifecycle activities, andrelated transformation initiatives.The role requires an individual who can confidently operate in controlled datacentreenvironments, managing configuration changes, cabling, hardware replacements, andenvironmental troubleshooting to ensure maximum service uptime. You will collaborate closelywith Networking, Storage, Security, Desktop, and Application teams—requiring strongcommunication skills, the ability to explain technical concepts clearly, and the professionalism towork with internal stakeholders and external suppliers alike.Candidates should demonstrate the ability to manage multiple workstreams concurrently,respond rapidly to critical incidents, and apply strong analytical skills to diagnose complexinfrastructure issues across interconnected systems. The position also demands a proactivemindset—anticipating potential failures, contributing to root cause analysis, and drivingimprovements to prevent recurring issues. Your ability to document infrastructure designs,

create operational guides, and support rigorous ITSM practices (Incident, Problem, and Change

• Management) will be essential to the success of this role.
• This is a strategically important position within the wider Enterprise Server Management
• function, ensuring continuity of critical services and supporting the ongoing evolution of the
• client’s IT capabilities. The successful candidate will be enthusiastic, resilient, comfortable
• working autonomously or as part of a team, and committed to continuous professional
• development within a rapidly evolving technological landscape.
• We are looking for a highly motivated, customer-focused and enthusiastic individual to join the
• On-Prem Infrastructure team. Responsibilities include delivering excellent 3rd/4th line support
• across Server, Storage, Networking, and Desktop environments, and managing complex
• enterprise infrastructure. Duties include Hyper-V administration, troubleshooting, BAU support,
• project delivery, and collaboration across support teams.
• KEY RESPONSIBILITIES:
• Manage and support Windows Server, Storage, HyperV, Clustering, HCI
• platforms, backups, and monitoring systems.
• Perform performance monitoring, patching, image deployment, and system
• optimisation across infrastructure services.
• Troubleshoot issues across servers, storage, virtual machines, authentication
• paths, and workstations.
• Support enterprise networking across Extreme, Cisco, Dell, and HPE switching,
• including configuration and fault resolution.
• Assist with Juniper and Palo Alto firewall environments and resolve network
• connectivity issues.
• Apply core networking principles including VLANs, routing basics, STP, ARP, link
• aggregation, and network segmentation.
• Maintain DNS, DHCP, and domain communication services across multinetwork
• environments.
• Perform datacentre operations such as cabling, hardware installation, config
• changes, and proactive health checks.
• Contribute to infrastructure and network projects, upgrades, and continuous
• improvement initiatives.
• Create and maintain documentation including HLDs, LLDs, build guides, and
• operational procedures.
• Participate in Incident, Change, and Problem Management processes following
• ITIL practices.

ESSENTIAL SKILLS/QUALIFICATIONS

• Strong experience with Windows Server, including OS
• installation, configuration, Active Directory fundamentals, Group Policies, DNS,
• DHCP, DFS, and domain communication paths.
• Proven expertise supporting and administering HyperV environments, including
• cluster management, system builds, virtual networking, and troubleshooting.
• Experience providing planning, installation, configuration, and upgrade support
• for VMware ESXi and vCenter Server.
• Strong knowledge of enterprise storage solutions, including HPE/Dell arrays and
• Microsoft Storage Spaces Direct, with experience in performance monitoring,
• optimisation, and capacity planning.
• Advanced PowerShell scripting capability for automation
• Experience supporting HCI and converged infrastructure platforms, including
• Dell/HP systems.
• Proficiency with backup and security solutions such as Symantec NetBackup and
• Symantec MFA.
• Strong understanding of systems management tools including RDS, WSUS, SCCM,
• SCOM, and their deployment/monitoring processes.
• Handson experience supporting BAU operational activities across Windows,
• Storage, Backup, and workstation environments, including troubleshooting,
• patching, and software upgrades.
• Ability to create and interpret HLDs, LLDs, and Build Guides, ensuring clear
• documentation of infrastructure solutions.
• Experience working within controlled data centre environments, including
• system builds, cabling, proactive monitoring, and physical hardware
• management.
• Strong working knowledge of Extreme, Cisco, Dell, and HPE switching platforms,
• including configuration, troubleshooting, and performance monitoring.
• Understanding of enterprise firewall concepts with exposure to Juniper and Palo
• Alto firewall technologies.
• Ability to diagnose complex network issues impacting servers, storage, virtual
• machines, authentication paths, and workstation connectivity.
• Solid understanding of networking fundamentals: VLANs, trunking, routing
• basics, ARP, STP, link aggregation, segmentation, and multinetwork secure
• architectures.

Demonstrated ability to support domainintegrated services including DNS, DHCP,

• and domain structure in secure, multitiered environments.
• Strong analytical, diagnostic, and problemsolving ability across all infrastructure
• layers.
• DESIRABLE SKILLS:
• Experience with Azure Cloud and/or Oracle Cloud platforms for hybrid
• infrastructure integration.
• Exposure to VMware technologies including ESXi, vCenter, and virtual
• networking (beneficial but not essential).
• Knowledge of enterprise storage platforms such as Left-Hand Storage, EMC
• Networker/Unity, HPe 3PAR, SAN, MSA, and StoreOnce solutions.
• Experience supporting SAN/NAS storage networking, including fibre channel and
• iSCSI fabrics.
• Industry certifications such as CCNA/CCNP for networking or relevant vendor
• qualifications (HPE, Dell, Cisco).
• Exposure to Juniper and Palo Alto firewall technologies and understanding of
• enterprise firewall behaviour and policy structures.
• Familiarity with softwaredefined networking concepts, segmentation models,
• and secure multinetwork designs.
• Experience working with complex datacentre networking topologies including
• VLAN design, LACP/link aggregation, spanningtree management, and multilayer
• switching.
• Linux operating system knowledge and administrative capability.
• Experience using monitoring or orchestration tools for network or infrastructure
• automation (PowerShell, Python, Ansible, or similar).
• Project management experience with the ability to run or contribute to technical
• workstreams.
• ITIL Foundation certification and exposure to ITIL Transition processes.

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