14 of 14 Security Hardening Jobs in London

seeking a hands‐on Infrastructure & Security Engineer with deep expertise across security architecture, server, and network domains. Security is the core priority of this role. The successful candidate will take a leading part in strengthening and evolving the firm's security posture in response … increasingly sophisticated threat landscape, including emerging risks associated with AI. This is a technically demanding role that combines proactive security ownership with infrastructure delivery. The successful candidate will act as a security‐first thinker across everything they touch, from day‐to‐day operations through to strategic infrastructure design ...

design, implement, support, and maintain enterprise Windows infrastructure. The successful candidate will be responsible for Windows Server administration, Active Directory services, virtualization platforms, automation, security compliance, and infrastructure modernization projects while ensuring high availability and operational excellence. Key Responsibilities Manage and support enterprise Windows Server environments (Windows Server … Build, configure, maintain, and decommission physical and virtual servers. Administer Active Directory, DNS, DHCP, Group Policy, and related Microsoft technologies. Perform system patching, upgrades, security hardening, and vulnerability remediation. Support virtualization platforms such as VMware and Hyper-V. Develop and maintain automation scripts using PowerShell. Troubleshoot infrastructure incidents ...

technical issues for internal or external partners or customers. Experience in either system design or reading code (e.g., Java, C++, Python). Preferred qualifications Security and Identity Mastery: Direct experience resolving complex integration hurdles in Identity Orchestration (OAuth 2.0, OIDC, SAML) and cross-tenant security hardening … Time Engineering Unblocking: Resolve critical, time‐sensitive hurdles in Identity Orchestration (OAuth/OIDC), Data Gravity (BigQuery Zero‐Copy/AlloyDB AI), and enterprise security hardening (VPC‐SC) on the fly to ensure live workshop prototypes achieve production‐grade status. Executive Technical Advisory: Advise partner CTOs and CPOs ...

Role Description Senior Network Engineer – Cloud, Security & Infrastructure Location: London (Hybrid) Employment Type: Permanent/Fixed-Term Contract Start Date: ASAP Build, Secure and Transform Enterprise Networks What You'll Be Doing: Network & Cloud Infrastructure Design, implement, and support enterprise and cloud networking solutions across AWS, Azure, and GCP. … Load Balancers (LTM, GTM, ASM) to deliver high availability and performance. Manage Infoblox DNS, DHCP, and IPAM services to support efficient network operations. Security, Compliance & Risk Management Configure and manage security policies across Palo Alto, Check Point, Cisco ASA, and ForeScout platforms. Support the implementation of Zero Trust ...

secure an existing AD environment and move to best practice to maintain hygiene of the environment and reduce risk. . Working alongside cyber security, infrastructure and service delivery teams, you will lead practical remediation activity across on-premise AD and Microsoft Entra environments, prioritising quick wins while establishing … clear, iterative plan for longer-term identity security improvement. This is an excellent opportunity to contribute to a large-scale transformation programme within a complex and diverse environment supporting thousands of users across a range of functions. Key Responsibilities In conjunction with others, Identify and remediate Active Directory infrastructure ...

limited to: Exchange Online Teams SharePoint Online Intune OneDrive Microsoft Defender Manage identity and access processes within Entra ID. Contribute to cloud governance, security hardening, and compliance initiatives. Collaborate with Group Security and Shared Services teams to implement best practices across cloud and endpoint environments. Networking & Connectivity … networking across multi-site environments. Support and troubleshoot LAN, WAN, Wi-Fi, DNS, and secure access services. Support Zscaler SASE environments and associated network security controls. Work collaboratively with third-party network and telecom providers. Assist with network upgrades, refreshes, and optimisation initiatives. Projects Support infrastructure and cloud transformation ...

strong focus on Ubuntu-based systems . The Role As an SRE, you will play a key role in ensuring the availability, performance, security and resilience of production systems. Working in a small, collaborative team, you’ll take ownership of day-to-day platform operations, incident response and continuous … Python Monitor system health using tools such as Prometheus, Grafana, Zabbix or Nagios Investigate and resolve production incidents (on-call rota involved) Implement security hardening and infrastructure best practices Manage backup and disaster recovery processes and regular testing Support and improve CI/CD pipelines and deployment processes ...

decommission physical and virtual servers as required. Administer core Microsoft technologies including Active Directory, DNS, DHCP, and Group Policy. Perform server patching, upgrades, security hardening, and vulnerability remediation in line with best practice. Support VMware vSphere and/or Microsoft Hyper-V virtualisation platforms and contribute to infrastructure … automation. Hands-on experience supporting VMware vSphere and/or Microsoft Hyper-V. Knowledge of Windows Server patch management, operating system lifecycle management, and security best practices. Experience monitoring, troubleshooting, and maintaining enterprise infrastructure, with strong analytical and problem-solving skills. Familiarity with Microsoft Azure, MECM/SCCM, Intune ...

decommission physical and virtual servers as required. Administer core Microsoft technologies including Active Directory, DNS, DHCP, and Group Policy. Perform server patching, upgrades, security hardening, and vulnerability remediation in line with best practice. Support VMware vSphere and/or Microsoft Hyper-V virtualisation platforms and contribute to infrastructure … automation. Hands-on experience supporting VMware vSphere and/or Microsoft Hyper-V. Knowledge of Windows Server patch management, operating system lifecycle management, and security best practices. Experience monitoring, troubleshooting, and maintaining enterprise infrastructure, with strong analytical and problem-solving skills. Familiarity with Microsoft Azure, MECM/SCCM, Intune ...

Implement observability—metrics, logs, traces, dashboards, alerting Lead incident response, root-cause analysis and reliability improvements Drive cloud cost optimisation and capacity planning Implement security hardening, secret management and compliance controls Partner with development teams to improve developer experience and reduce friction (For Senior/Lead) Set platform … Observability stack experience (Prometheus, Grafana, Datadog, ELK, OpenTelemetry, New Relic) Scripting and automation in Bash, Python or Go Linux fundamentals, networking basics and cloud security concepts Familiarity with secret management (Vault, AWS Secrets Manager, KMS) and policy-as-code (OPA, Sentinel) is a plus Engineering & Soft Skills: Automation-first ...

Databricks environment. Translate business needs into robust data products that support real‐time decision‐making and predictive modelling. Lead performance tuning, cost optimisation, and security hardening of Databricks on Azure. Qualifications A track record of delivering large Databricks data transformations & appropriate Databricks industry certifications A deep understanding ...

Zensar Technologies is seeking an experienced Network Security & Infrastructure Architect to lead enterprise network transformation and security hardening. You will assess, design, and implement secure, scalable solutions across data center, hosted, and edge environments. The role focuses on SDA optimization, firewall policy alignment, Check Point replacement, and routing ...

Engineer to join their team in their offices in Canary Wharf. You will be part of a dynamic and friendly team of infrastructure and security engineers, supporting their IT server environment. This is a temporary position with an immediate start for an expected duration of 6 months, with … financial services industry to work for a multinational, professional and renowned bank. Your responsibilities will include, among others: Administering and supporting the server environments. Security hardening. Patch and Vulnerability remediation. Monitoring, Incidents and Operations. Supporting virtualized environments and platforms. About you: In order to succeed, the right applicant will ...

Engineer to join their team in their offices in Canary Wharf. You will be part of a dynamic and friendly team of infrastructure and security engineers, supporting their IT server environment. This is a temporary position with an immediate start for an expected duration of 6 months, with … financial services industry to work for a multinational, professional and renowned bank. Your responsibilities will include, among others: Administering and supporting the server environments. Security hardening. Patch and Vulnerability remediation. Monitoring, Incidents and Operations. Supporting virtualized environments and platforms. About you: In order to succeed, the right applicant will ...