Infrastructure SME

Luxoft; Greater London; Hybrid; GBP 90,000 - 150,000; Full time

Job summary

Luxoft is seeking an experienced Infrastructure SME to lead security patch planning, deployment, and governance across a bank's core infrastructure. You will provide technical leadership across Windows, Linux, virtualization, cloud, middleware, and storage, coordinating patch cycles while minimising risk and ensuring service availability.

The role requires deep enterprise infrastructure expertise, experience in highly regulated environments, and strong collaboration with Cyber Security and IT

Qualifications

• Must have SME experience in security patch deployment within infrastructure.
• Deep knowledge of Windows Server and Linux administration.
• Experience with enterprise virtualization (VMware/Hyper-V).
• Strong understanding of AD, DNS, DHCP, PKI, identity infrastructure.

Responsibilities

• Lead planning, scheduling, deployment and governance of security patches across core infrastructure.
• Coordinate monthly and emergency patch cycles across technology domains.
• Provide technical leadership on Windows, Linux, virtualization, cloud and storage platforms.
• Collaborate with Cyber Security and Vulnerability Management to prioritise remediation.
• Lead Change & Release Management for infrastructure changes with minimal disruption.
• Identify automation opportunities to improve patch deployment and monitoring.

Job description

Project description

We are seeking an experienced Infrastructure SME to strengthen the teams responsible for the planning, coordination, deployment, and governance of security patches across the bank's core infrastructure estate. The role will provide technical leadership to ensure critical security updates are delivered efficiently while minimising operational risk and maintaining service availability.The successful candidate will possess deep infrastructure expertise across Windows, Linux, virtualisation, cloud, middleware, networking, storage, and enterprise platforms, with extensive experience managing large-scale patching programmes within highly regulated environments.

Responsibilities

• 1. Security Patch ManagementLead the planning, scheduling, deployment, and governance of security patches across the bank's core infrastructure.Assess security vulnerabilities and determine patching priorities based on risk, criticality, and regulatory requirements.Coordinate monthly and emergency patch cycles across multiple technology domains.Validate patch deployment success and ensure remediation of failed or incomplete installations.Support vulnerability remediation programmes and ensure timely closure of security findings.2. Core Infrastructure SMEProvide technical leadership across enterprise infrastructure including:Windows ServerLinux / UNIXVMware / Hyper-V virtualisationActive DirectoryDNS / DHCPStorage platforms (SAN/NAS)Enterprise backup and recoveryMiddleware and supporting infrastructureCloud platforms (Azure, AWS)Network infrastructure supporting core services3. Infrastructure Operations & ReliabilityMaintain high availability and operational stability throughout patch deployment activities.Develop rollback and recovery strategies for infrastructure changes.Perform impact assessments and risk analysis before production deployments.Support major incidents arising from infrastructure changes and security patching activities.4. Vulnerability & Security ManagementWork closely with Cyber Security and Vulnerability Management teams to prioritise remediation activities.Analyse vulnerability scan results and recommend appropriate remediation strategies.Ensure compliance with internal security policies, patch SLAs, and regulatory requirements.Support security audits and infrastructure compliance assessments.5. Change & Release ManagementLead infrastructure changes through established Change Management processes.Prepare implementation plans, technical documentation, rollback procedures, and post-implementation reviews.Coordinate deployment activities across infrastructure, application, security, and operations teams.Ensure changes are delivered with minimal disruption to business services.6. Automation & Continuous ImprovementIdentify opportunities to automate patch deployment and infrastructure maintenance activities.Improve operational processes through scripting, orchestration, and infrastructure automation.Enhance infrastructure monitoring, reporting, and compliance dashboards.Drive continual improvements in patching efficiency, quality, and operational resilience.7. Stakeholder ManagementCollaborate with Infrastructure, Cyber Security, Operations, Architecture, Application Support, and Change Management teams.Provide technical guidance during security reviews, infrastructure projects, and major incident investigations.Communicate infrastructure risks, patch status, and remediation plans to technical and management stakeholders.

SKILLS

Must have

• MUST HAVE: SME experience in security patch deployment within InfrastructureCore Infrastructure ExpertiseStrong experience supporting enterprise infrastructure within banking or other highly regulated environments.Deep knowledge of Windows Server and Linux administration.Experience with VMware, Hyper-V, and enterprise virtualisation technologies.Strong understanding of Active Directory, DNS, DHCP, PKI, and identity infrastructure.Experience with storage, backup, disaster recovery, and high-availability solutions.Infrastructure SecurityExtensive experience delivering enterprise security patching programmes.Strong understanding of vulnerability management and remediation processes.Familiarity with CVSS scoring, vulnerability assessment, and risk-based patch prioritisation.Experience with endpoint and server hardening aligned to security best practices.Cloud & Modern InfrastructureExperience supporting Azure and/or AWS infrastructure.Understanding of hybrid cloud environments and cloud security controls.Knowledge of Infrastructure as Code (IaC) concepts and automation tooling.Automation & ToolingExperience with one or more of:Microsoft SCCM / MECMMicrosoft IntuneWSUSRed Hat SatelliteAnsiblePuppetChefPowerShellBashPythonVMware vCenterAzure Update ManagerAWS Systems Manager (SSM)Infrastructure TechnologiesNetwork infrastructure (TCP/IP, firewalls, load balancers, switches, routing)Storage technologiesVirtualisation platformsMonitoring tools (SolarWinds, SCOM, Dynatrace, Splunk or equivalent)Backup and recovery platformsIT Service ManagementITIL Change, Incident and Problem ManagementProduction support within 24x7 enterprise environmentsMajor incident managementRoot Cause Analysis (RCA)

Nice to have

Microsoft Certified: Windows Server / Azure AdministratorRed Hat Certified Engineer (RHCE)VMware Certified Professional (VCP)AWS or Azure Cloud CertificationsITIL Foundation or higherCISSP, CompTIA Security+, or equivalent security certification (desirable)y