51 to 75 of 94 Security Hardening Jobs in England

core Unified Endpoint Management (UEM) platform. You will take technical ownership of mobile platforms end to end, leading on lifecycle management, security, and operational delivery, while supporting project-based initiatives across UEM, cybersecurity, and device refresh programmes. Key Responsibilities: Act as the technical authority for iOS and Android devices … across enterprise environments. Lead the deployment, configuration, optimisation, and ongoing management of Workspace ONE. Own mobile OS upgrades, application deployments, patching, and security updates. Provide escalation support and technical guidance to Service Desk and Second Line teams. Contribute to and lead technical work streams across UEM integrations, security ...

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 ...

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 ...

focus on preparation and execution for a Windows 11 migration project. Group Policy Management: Implement, maintain, and audit Group Policy Objects (GPOs) to enforce security and configuration settings across the Windows environment, including CIS hardening. Citrix Published Application Management: Oversee the design, deployment, patching, hardening, and reporting … collaborate effectively with other IT teams. Troubleshooting and Support: Provide expert-level troubleshooting for complex issues related to the Citrix and Windows environment. Security and Compliance: Implement and manage security hardening guidelines across all supported platforms and systems. Required Skills and Experience: Proven experience working ...

Cloudflare - SME 3-Month Contract | Hybrid Working | Cambridge open to remote We are looking for an experienced Cloudflare WAF Security SME to join on a 3-month contract , supporting an enterprise environment with large-scale web platforms and security requirements. The successful contractor will have extensive experience working … level WAF deployments and proxy enablement. Configure and troubleshoot DNS proxying and traffic management . Manage SSL/TLS certificates , including cipher remediation and security improvements. Work with F5 load balancers and Cloudflare integrations. Support origin security hardening and ensure secure communication between Cloudflare and origin infrastructure. ...

Commerce Decisions, part of Harris Computer Company, is seeking a Senior Infrastructure & Security Engineer to design, implement and run cloud infrastructure across Azure and OCI, spanning the UK and Canada. The role includes administering Linux and Windows servers, Docker and Kubernetes workloads, and leading automation through Terraform and Ansible. … will own patch management, security hardening to CIS benchmarks, and coordinate penetration tests, with a focus on ISO 27001 and Cyber #J-18808-Ljbffr ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

looking for an experienced Active Directory & Azure Security Engineer on a remote working basis to support a programme of remediation and modernisation across a Microsoft environment. The organisation has accumulated technical debt across its infrastructure and identity estate and now needs a contractor who can assess the current environment … test effectively, and implement improvements without creating unnecessary operational risk. Key Responsibilities Review the existing Active Directory environment and identify areas of technical debt, security risk and configuration improvement. Lead hands-on remediation and modernisation across the AD estate. Implement Microsoft recommended practices around identity, authentication, access control ...

looking for an experienced Active Directory & Azure Security Engineer on a remote working basis to support a programme of remediation and modernisation across a Microsoft environment. The organisation has accumulated technical debt across its infrastructure and identity estate and now needs a contractor who can assess the current environment … test effectively, and implement improvements without creating unnecessary operational risk. Key Responsibilities Review the existing Active Directory environment and identify areas of technical debt, security risk and configuration improvement. Lead hands-on remediation and modernisation across the AD estate. Implement Microsoft recommended practices around identity, authentication, access control ...

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 ...

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 ...

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 ...

User Services Operational Support team, you'll support and improve our modern workplace technology estate, covering end user devices, collaboration tools, endpoint security and remote working solutions.**How you'll contribute*** Deliver technical support and troubleshooting across end user devices, Microsoft 365 technologies, collaboration tools and peripherals, including … Teams Rooms, event space technology and remote working solutions to provide a seamless colleague experience.* Drive device lifecycle management activities including provisioning, deployment, patching, security hardening and endpoint management.* Identify and implement process improvements, helping to resolve recurring issues and introduce new technologies and functionality.* Contribute to governance ...

User Services Operational Support team, you'll support and improve our modern workplace technology estate, covering end user devices, collaboration tools, endpoint security and remote working solutions. #LI-Hybrid #BC1 How you'll contribute Deliver technical support and troubleshooting across end user devices, Microsoft 365 technologies, collaboration tools … Teams Rooms, event space technology and remote working solutions to provide a seamless colleague experience. Drive device lifecycle management activities including provisioning, deployment, patching, security hardening and endpoint management. Identify and implement process improvements, helping to resolve recurring issues and introduce new technologies and functionality. Contribute to governance ...

Join OneAdvanced OneAdvanced IT Services delivers managed IT, cloud and security services to large enterprise and public sector organisations across the UK. We are looking for an experienced Microsoft SQL Server DBA to join our Database team, supporting high-profile customers whose services depend on fast, secure and resilient … data platforms. This is a hands-on, third-line technical role. You will own the health, performance and security of customer SQL Server estates across on-premises and Microsoft Azure, and you will be a trusted technical voice with customers and colleagues alike. What You Will Do Performance tuning ...

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 ...

Grant Thornton is seeking an experienced Network Engineer for their Cyber Defence Centre. You will lead containment of live incidents, perform security reviews, and design security solutions across cloud and on‐premise environments, collaborating with DFIR, SOC and advisory teams. The role emphasizes hands-on incident response, security hardening, and delivering secure network design aligned with business priorities and regulatory requirements. #J-18808-Ljbffr ...

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 ...

across a range of global industries. This is an opportunity to work on technology deployed in demanding environments across sectors including healthcare, digital signage, security, retail, aviation and sports. Working across the full product life cycle, your responsibilities will include: Designing, building and maintaining Embedded Linux platforms. Creating … managing system images, releases, upgrades and patching. Implementing security hardening across Embedded Linux environments. Supporting the reliability and availability of production systems. Developing and maintaining CI/CD and build pipelines, using Azure DevOps. Supporting build and test server infrastructure, networking and associated configuration. Automating processes and improving ...

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 ...