51 to 75 of 85 Security Hardening Jobs in the UK

Senior Infrastructure Engineer

Location
England, United Kingdom
virtualised infrastructure Configuring directory services, trust relationships, group policies and authentication mechanisms Integrating IAM components with existing infrastructure and third-party systems Supporting security hardening, compliance and infrastructure automation Monitoring, troubleshooting and optimising IAM, AD and Exchange services Producing technical documentation and handover materials Working closely with infrastructure ...

IT Infrastructure Solutions Architect

Location
Cambridge, 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 ...

IT Infrastructure Solutions Architect

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 ...

Full Stack Engineer - Must be DV Cleared

Hiring Organisation
VIQU IT Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
platform engineers so models, pipelines and infrastructure land as one product rather than three. Improving the day to day: CI/CD, observability, security hardening, documentation. Sitting in front of customers and partners and turning what they need into something buildable. What You Will Need Python. Serious commercial … delivered against customer deadlines that do not slip, and you get methodical rather than frantic when something breaks. Secure environment fit. Happy following strict security and handling procedures, and getting to UK customer sites when the programme needs you there. Communication. Clear with engineers and with customers ...

Full Stack Engineer - Contract - Long Term

Hiring Organisation
VIQU IT
Location
London, United Kingdom
Employment Type
Contract
platform engineers so models, pipelines and infrastructure land as one product rather than three. Improving the day to day: CI/CD, observability, security hardening, documentation. Sitting in front of customers and partners and turning what they need into something buildable. What You Will Need Python. Serious commercial … delivered against customer deadlines that do not slip, and you get methodical rather than frantic when something breaks. Secure environment fit. Happy following strict security and handling procedures, and getting to UK customer sites when the programme needs you there. Communication. Clear with engineers and with customers ...

Senior Infrastructure Engineer

Hiring Organisation
Adecco
Location
Newbury, Berkshire, United Kingdom
Employment Type
Full-Time
Salary
£650.00 per day
only apply if you hold DV Clearance** About Our Client: An esteemed organisation in the public services sector, dedicated to enhancing infrastructure resilience and security, is seeking a talented Senior Infrastructure Engineer. This is a fantastic opportunity for a professional eager to make a significant impact by deploying cutting … standards during upgrades and patches. - Engage in migration testing and service validation. Monitoring Platform Infrastructure: - Provision new virtual servers for network monitoring applications. - Apply security hardening and patching in line with best practises. - Validate platform readiness alongside local ICT resources. Public Key Infrastructure (PKI) Design and Deployment: - Design ...

Senior Infrastructure Engineer

Hiring Organisation
Adecco
Location
Newbury, Berkshire, United Kingdom
Employment Type
Temporary
Salary
£650/day
only apply if you hold DV Clearance** About Our Client: An esteemed organisation in the public services sector, dedicated to enhancing infrastructure resilience and security, is seeking a talented Senior Infrastructure Engineer. This is a fantastic opportunity for a professional eager to make a significant impact by deploying cutting … standards during upgrades and patches. - Engage in migration testing and service validation. Monitoring Platform Infrastructure: - Provision new virtual servers for network monitoring applications. - Apply security hardening and patching in line with best practises. - Validate platform readiness alongside local ICT resources. Public Key Infrastructure (PKI) Design and Deployment: - Design ...

DevOps Engineer

Hiring Organisation
Brio Digital
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550/day
live digital health platform. You will own infrastructure, environments and pipelines through tenant migration, the next phase of Azure migration and ongoing platform hardening, in a regulated and secure environment. Key Responsibilities Complete the remaining tenant migration work, including infrastructure alignment, DNS and environment configuration. Prepare the platform … access the database. Maintain and test the disaster recovery model, including failover, static fallback pages and Front Door routing during outages. Deliver outstanding platform hardening and act on penetration testing findings. Manage IAM, deployment permissions, DNS records and user offboarding within the subscription. Produce clear infrastructure documentation in line ...

Infrastructure Engineer

Location
Manchester, England, United Kingdom
identity infrastructure platforms that underpin the organisation's Identity and Access Management (IDAM) services. The successful candidate will be responsible for the administration, support, security, and continuous improvement of the Active Directory, PKI, DNS, Group Policy, and authentication infrastructure. They will work closely with the wider IDAM team, supporting … strong understanding of enterprise identity technologies and authentication services. The position is based within secure facilities in either Inverness or Manchester, working closely with security, engineering, and IDAM teams to ensure the availability, resilience, and security of critical identity platforms. Key Responsibilities Active Directory Infrastructure Administer and maintain ...

Senior IT Systems Administrator (Linux & HPC)

Location
Leatherhead, England, United Kingdom
Senior IT Systems Administrator (Linux & HPC).**The Opportunity:**The Senior IT Systems Administrator (Linux & HPC) is responsible for the administration, maintenance, security and operational reliability of Linux-based enterprise and high-performance computing platforms. The role will provide hands-on technical ownership across Linux operating systems, HPC compute … repositories, filesystems, logging and scheduled services.* Automate repeatable administration using shell scripting and configuration-management or orchestration tooling.* Monitor Linux performance, availability, capacity and security, and resolve complex operating-system and application integration issues.* Maintain build standards, technical documentation, operational procedures and recovery runbooks.**HPC Platform & Workload Scheduling*** Operate ...

DV Cleared IT Systems Engineer

Hiring Organisation
Synergize Consulting Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Daily
Synergize Consulting is currently seeking a DV Cleared Systems Engineer to join a small, specialist team responsible for the design, build, security and documentation of distributed and scalable infrastructure. This is a hands-on and design-oriented role for a technical specialist who can work autonomously while contributing across … Life planning. Evaluate, design and deploy hypervisor solutions to support system requirements. Create secure Windows 10/11 Gold Image builds , with security as the primary consideration. Harden operating systems by disabling non-essential services and telemetry to reduce the potential attack surface. Apply appropriate vendor, NCSC and equivalent ...

Senior Platform Engineer (12 month FTC)

Location
Teddington, England, United Kingdom
remain secure, reliable and robust even if global navigation satellite systems fail. Key Responsibilities As a Senior Platform Engineer specialising in Virtualisation, Windows, and Security, you will support and maintain critical infrastructure across multiple customer environments, with a strong focus on automation and DevOps practices. Working as part … vCenter and vSAN environments. Supporting and developing VDI platforms. Managing Windows Server environments, including Active Directory, Trusts, DNS, Group Policy, PKI, certificate services, and security hardening. Designing, implementing, and supporting resilient, highly available infrastructure solutions, while troubleshooting complex infrastructure, platform, and network issues. Delivering upgrades, migrations, patching, and lifecycle ...

IAC Engineer

Location
England, United Kingdom
month on onsite and the remainder of time remotely. Key Responsibilities Automate the creation of golden OS images using Packer with pre-installed configurations, security hardening, and agents. Windows are our main target currently. Manage image lifecycle and deploy standardized images to platforms like VMware vSphere . … Ensure systems are operationally ready post-deployment. Integrate with monitoring platforms and define automation triggers. Enforce compliance with CIS benchmarks , encryption policies, and other security standards using policy-as-code tools. Skills Required IAC Tools Packer GitHub/GitHub Actions Terraform Ansible VMware vSphere CyberArk and HashiCorp Vault Scripting ...

Global Cyber Security Programme Lead

Location
United Kingdom
Reapit is seeking a Cyber Security Project Manager for a 6-month FTC in the United Kingdom. You’ll report to the Technical Operations Director and work with the CISO to lead our global Security Hardening program, coordinating with vendors, engineering and product teams. You will manage … portfolio of security initiatives across cloud and on-prem environments, define use cases, track milestones, and ensure delivery within time, scope and budget. #J-18808-Ljbffr ...

Platform Engineer

Location
United Kingdom
issues. Incident response: node failure management, network issues, driver issues, troubleshooting common issues and then working with vendor support to resolve any critical issues. Security and access control: Manage user permissions, RBAC, security hardening, data protection. Required Skills & Experience: Experience supporting HPE PCAI or other AI/… like RHEL/CentOS, Ubuntu, tuning Linux kernel. Proficiency with Ansible, Nvidia and CUDA toolkits, Kubernetes and container orchestration. Understanding of automation, monitoring and security with GPU as a service. Extensive experience in system engineering, platform operations or SRE. Experience with GPU resource allocation (across instances, GPUs count ...

Senior Platform Engineer: VMware, VDI & Automation

Location
Teddington, England, United Kingdom
operate VMware, VDI, Windows Server, and related services to ensure resilience and security. You will drive automation using scripting and IaC, contribute to security hardening and documentation, and support disaster recovery and business continuity. Occasional site travel may be required. #J-18808-Ljbffr ...

Industrial OT Cyber Security Project Lead

Location
Warrington, England, United Kingdom
Bilfinger UK Limited is seeking an experienced OT Cyber Security Systems Engineer to join the Automation team on a project-based contract. You will design, develop, build and test networks and cyber security controls for an Industrial Control Systems (ICS) environment, ensuring system availability, safety and compliance with … industry standards. The role requires hands-on design and testing, collaboration with project management, and guidance on security hardening for OT/ICS environments. #J-18808-Ljbffr ...

Horizon VDI Engineer: Security & Endpoint Specialist

Location
Manchester, England, United Kingdom
experienced Infrastructure Engineer to own and secure the Omnissa Horizon/Vmware Horizon VDI environment across the UK. This hands-on role requires strong security hardening, patch management and end-user computing expertise, with collaboration across infrastructure, security and audit teams. You will design and maintain gold ...

Hosting Platform Engineer (Unix/Linux)

Location
City Of London, England, United Kingdom
description Manage and execute operating system, middleware, application server, and Java platform patching, upgrades, and lifecycle maintenance across UNIX/Linux environments. Perform security hardening, vulnerability remediation, configuration management, cluster patching, rolling upgrades, rollback planning, disaster recovery validation, and post-patch testing while ensuring compliance with enterprise security … role UNIX/Linux (RHEL, Solaris, AIX) Red Hat Satellite Ansible Oracle WebLogic OPatch JBoss EAP Java (JDK/JRE) JVM Tuning Security & Vulnerability Management Change Management Disaster Recovery Smoke Testing #J-18808-Ljbffr ...

Hosting Platform Engineer (Unix/Linux)

Hiring Organisation
ARM
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£475 - £550/day Inside IR35
description Manage and execute operating system, middleware, application server, and Java platform patching, upgrades, and lifecycle maintenance across UNIX/Linux environments. Perform security hardening, vulnerability remediation, configuration management, cluster patching, rolling upgrades, rollback planning, disaster recovery validation, and post-patch testing while ensuring compliance with enterprise security … role UNIX/Linux (RHEL, Solaris, AIX) Red Hat Satellite Ansible Oracle WebLogic OPatch JBoss EAP Java (JDK/JRE) JVM Tuning Security & Vulnerability Management Change Management Disaster Recovery Smoke Testing Disclaimer: This vacancy is being advertised by either Advanced Resource Managers Limited, Advanced Resource Managers IT Limited ...

Senior Manager, Databricks Architect, AI&Data, FS

Location
Greater London, England, United Kingdom
Databricks environment. Translate business needs into robust data products that support real-time decision-making and predictive modeling. Lead performance tuning, cost optimization, and security hardening of Databricks on Azure. To qualify for the role, you must have A track record of delivering large Databricks data transformations & appropriate ...

Business Development, Mission Innovation, Public Sector (UK, Germany and International Organisations) (AWS)

Location
Greater London, England, United Kingdom
shown early, and refined through customer feedback, producing a growing set of proof points. Adoption narratives span all levels of sensitivity, adding service accreditation, hardening, and additional assurance requirements when needed. Customers should experience AWS as a quiet enabler that has placed capacity, compute, silicon, infrastructure, and power … points. Develop evidence-based adoption narratives, taking them from the commercial world and translating them for public sector at every level of sensitivity, adding security hardening as required. Map the decision makers who hold influence within key accounts, alongside understanding the formal and informal power structures that surround ...

Founding DevOps Engineer

Hiring Organisation
LinuxRecruit
Location
London, UK
Employment Type
Full-time
Establish and scale the infrastructure that powers cutting-edge AI innovation. You'll take charge of both cloud and on-prem environments, implement automation, security frameworks, and device management, and collaborate with top-tier hardware and software engineers to push boundaries. It's a role for someone who thrives … autonomy, problem-solving, and making high-impact decisions. If Kubernetes, Terraform, security hardening, and automation are your bread and butter—and you're ready to be the go-to DevOps expert in a fast-growing company—this is your moment. No bureaucracy, no micromanagement, just the chance ...

Unix/Linux Hosting Platform Engineer – Patch, DR & Security

Location
City Of London, England, United Kingdom
seeking a Hosting Platform Engineer (Unix/Linux) for a 6-month contract in London. The role covers patching, lifecycle maintenance, and security hardening across UNIX/Linux environments with a focus on enterprise standards. You will handle OS and middleware patching, Oracle WebLogic, JBoss EAP, and Java ...