20 of 20 Security Hardening Jobs in London

Senior Security Engineer (Enterprise Security)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
hiring a Senior Security Engineer to lead and raise the bar for enterprise security at Spotify. In this role, you'll be hands‐on across core security domains, IAM, endpoint management, networking, and shaping how we secure an increasingly AI‐enabled enterprise. You'll build tooling … across IT, infrastructure, legal, and beyond to keep Spotify moving fast without compromising on security. The ideal candidate brings solid professional experience in enterprise security, strong technical foundations, and a genuine comfort with AI, both as a tool to augment their own work and as a surface area ...

Networking & Security Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
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 ...

windows engineer

Hiring Organisation
Peregrine
Location
London, United Kingdom
Employment Type
Permanent
Salary
£1/annum
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 ...

Site Reliability Engineer (SRE) / Platform Engineer

Hiring Organisation
Adecco
Location
City of London, London, United Kingdom
Employment Type
Contract
securing, and operating cloud-native platforms that support innovative AI-driven applications. This is a key role focused on cloud infrastructure development, platform reliability, security hardening, and operational excellence . You will work closely with software engineers, platform teams, and technical stakeholders to design, deploy, and maintain resilient … production systems capable of supporting complex and scalable workloads. You will be responsible for the reliability, performance, scalability, and security of cloud-based applications and infrastructure, ensuring services are delivered efficiently and operate effectively in production environments. Key Responsibilities: Design, build, and maintain cloud infrastructure within Google Cloud Platform ...

Staff Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
applications. Resilience & Performance: Design solution‐wide UI resilience (graceful degradation, back‐pressure, retry strategies) and own performance standards across web and mobile. Quality, Security & Compliance: Own threat modelling and security hardening for tribe front‐end products; maintain high standards through code review, secure coding practices, and risk … observability, performance budgets). Experience with Azure development and cloud‐based infrastructure , including CI/CD and pipeline observability. Experience owning threat modelling and security hardening for front‐end products; strong grasp of OWASP and secure coding practices. Track record of originating and shepherding cross‐team initiatives ...

Senior Network Engineer Cloud, Security & Infra (Architect II - Cloud Infrastructure Services)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
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 ...

Technical Program Manager, AI Delivery for Public Sector & Defence, UK

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Cohere is the leading security-first enterprise AI company. We build cutting-edge foundation AI models and end-to-end products that are designed to solve real-world business problems. We’re training and deploying frontier models for enterprises who are building AI systems. We believe that our work … bridge between our cutting-edge AI capabilities and the specific needs of UK Government and defence organisations. You'll navigate complex procurement processes, stringent security requirements, data sovereignty concerns, and regulatory compliance while ensuring our customers successfully deploy and scale our AI solutions. In this role, you'll collaborate ...

Senior Infrastructure Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
enhance networking technologies including routing, switching, firewalls, VPNs, and load balancing. Manage virtualization and container platforms including VMware, Proxmox, Docker, and Kubernetes. Lead infrastructure security initiatives including patching, vulnerability remediation, and platform hardening. Deliver infrastructure projects from design through implementation. Contribute to technology strategy, platform architecture, and continuous improvement … initiatives. Strong Linux administration and engineering experience in production environments. Platform design and implementation OS lifecycle management Performance tuning and troubleshooting Security hardening Automation and orchestration using Ansible or similar tools Scripting with Bash, Python, or equivalent languages Infrastructure as Code and configuration management practices Solid networking knowledge ...

Vice President, Head of Messaging & Collaboration

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
core infrastructure and end-user technology function.DES is responsible for delivering secure, resilient and scalable technology capabilities across the enterprise, including Infrastructure, Cloud, Network, Security Operations, Service Management and Digital Workplace services. Within DES, the Client Services function is responsible for delivering modern workplace technologies that enable secure communication … over 6,000 users across more than 15 EMEA locations. The team is responsible for enterprise messaging, Microsoft 365 collaboration services, Teams Telephony, email security, compliance and collaboration technologies that underpin the organisation’s digital workplace.The Head of Messaging & Collaboration plays a critical leadership role in defining the future ...

Server Engineer

Hiring Organisation
VIQU IT
Location
London, Vintry, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £600/day Inside IR35
Responsibilities Build, configure, deploy, maintain, and decommission both physical and virtual Windows Servers. Manage and support enterprise Microsoft Windows Server environments, ensuring high availability, security, and performance. Develop and maintain PowerShell scripts to automate server administration and improve operational efficiency. Administer core Microsoft technologies including Active Directory, DNS, DHCP … Group Policy. Support and maintain VMware vSphere infrastructure (Hyper-V experience also considered). Carry out Windows Server patching, upgrades, security hardening, and vulnerability remediation. Investigate and resolve server and infrastructure incidents, performing root cause analysis where required. Support infrastructure projects including migrations, upgrades, and server refresh activities. ...

Infrastructure Engineer

Hiring Organisation
VIQU IT
Location
London, Holborn, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £600/day Inside IR35
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 ...

Infrastructure Engineer

Hiring Organisation
VIQU IT Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £600 per day
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 ...

Cassandra Database Engineer - NoSQL

Hiring Organisation
Adecco
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 700 - 745 Daily
Prometheus/Grafana, OpsCenter, or equivalent. Support CQL query development and advice application teams on best-practice access patterns. Collaborate with infrastructure and security teams on hardening, encryption (at rest/in transit) and authentication/authorisation (RBAC) Produce technical documentation including data models, runbooks, and operational procedures. … multi deployments. Strong Linux administration and scripting skills (Bash/Python). Experience working in regulated or financial services environments with awareness of security hardening, encryption (at rest/in transit) and RBAC. Exposure to the Actimize platform, messaging middleware (IBM MQ/IIB, Kafka). Or Oracle ...

IT Infrastructure Solutions Architect

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
readiness patterns.* Define hybrid cloud architecture and operating model across Azure and AWS (connectivity, identity/access concepts, monitoring/logging, backup/security baselines).* VDI/RDS architecture and standards: define operationally supportable architectures and standards for Omnissa Horizon, Workspace ONE, and Microsoft RDS (availability, scalability, security … enterprise image/template strategy, including repeatable build pipelines with Packer, template/content distribution using VMware Content Library, validation gates, versioning, rollback, and security hardening baselines.* Lead solution design and implementation for major infrastructure programmes, migrations, and technology refresh initiatives, ensuring designs are scalable, secure, cost-effective ...

ServiceNow GRC Architect

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Expertise Provide architectural guidance across multiple ServiceNow modules, including: Integrated Risk Management (IRM): Policy Management, Compliance & Audit Management, Vendor Risk Management, Business Continuity Management. Security Operations (SecOps): Vulnerability Response, Security Incident Response, and Security Dashboards. IT Service Management (ITSM). IT Operations Management (ITOM). Customer Service … leadership role. Proven success in designing and delivering large-scale ServiceNow implementations across multiple modules. Deep understanding of ServiceNow platform architecture, data model, and security framework. Expertise in platform governance, performance tuning, and security hardening. Hands-on experience with complex integrations and enterprise-wide deployments. Strong analytical, problem ...

Senior AI Agentic Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
deployed agents. Translate operational process descriptions into agent designs — including with input from Business Analysts and operations subject-matter experts. Own production readiness: SLOs, security review, regulatory alignment (DORA, MiFID II, GDPR, NIS2), and acceptance criteria for client-facing pilots. Cross-functional engagement Work alongside the ProfileOne Product Manager … architectural separation between unifying layer and agentic platform. Partner with the AWS infrastructure/DevOps function on production deployment, scaling and security hardening. Represent the agentic platform in client technical discussions, internal SteerCo updates and Group-level architectural reviews. What You Will Bring: 8+ years in software engineering, including ...

Senior Network Security Architect - SDA & Data Center Revamp

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
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 ...

Infrastructure Engineer

Hiring Organisation
Language Matters Recruitment Consultants Ltd
Location
London, United Kingdom
Employment Type
Temporary
Salary
GBP 50,000 Annual
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 ...

Infrastructure Engineer

Hiring Organisation
Language Matters Recruitment Consultants Ltd
Location
London, Canary Wharf, United Kingdom
Employment Type
Temporary
Salary
£50000/annum
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 ...

Infrastructure Engineer - Immediate Start, Canary Wharf (6m+)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
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 ...