1 to 25 of 30 Security Hardening Jobs in England

Product Security Engineer - Defence & Government Location: Luton - 90% onsite Rate: £80-£90 per hour Security Clearance: Active SC Clearance required Nationality: UK Eyes Only/Sole British National required Contract: 12 Months + The Role We are seeking an experienced Product Security Engineer to support the development … maintenance of bespoke security capabilities for Defence and Government customers. You will take responsibility for security across the full product lifecycle , from design and development through verification, deployment and ongoing maintenance. The role will focus on security risk assessment, security requirements, risk mitigation, security assurance ...

powered extended managed detection and response (MXDR) services, Ontinue is on a mission to be the most trusted, 24/7, always-on security partner that empowers customers to embrace the future by using AI to operate more strategically, at scale, and with less risk. We believe that … combination of AI and human expertise is essential for delivering effective managed security that is tailored to a customer’s unique environment, operational constraints, and risks. Our MXDR service combines powerful proprietary AI with a one-of-a-kind collaboration model to continuously build a deep understanding ...

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 ...

excellent opportunity to join a high-profile project, working within secure Operational Technology (OT) environments and helping to deliver key infrastructure and cyber security initiatives. This is an initial 3-month contract with a strong likelihood of extension and requires candidates to hold active SC Clearance . Locations Available … Role As an OT Infrastructure Engineer, you will be responsible for deploying, enhancing and securing OT infrastructure environments, working closely with engineering teams, cyber security specialists and programme stakeholders. You will support the implementation of infrastructure and security technologies, produce technical documentation and contribute to knowledge transfer activities ...

primary focus on the UK region, and for acting as the senior technical lead within the UK IT team. This is an infrastructure-first, security-minded role: the postholder ensures the infrastructure is secure, scalable, resilient and aligned with business needs, whilst taking a leading role in strengthening … organisations cyber security posture. The Senior IT Infrastructure Engineer line manages two UK-based engineers, leads infrastructure projects and major escalations, and collaborates closely with the Senior IT Infrastructure Lead (US) and Senior IT Infrastructure Engineer (Italy) to ensure consistency across global operations. Principal Duties and Responsibilities: Senior Technical ...

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 ...

protect themselves from attacks. Doing so requires not just a one-time effort but spans the complete system lifecycle in a changing environment as security posture may evolve over time adapting to emerging threats or changing systems utilisation. The Cyber Assurance Lead role holder is responsible to ensure that … assurance is carried out professionally fulfils its role as last line of defence. They will oversee cyber security controls implementation, from definition in line with risks assessments to operation and maintenance. The Cyber Assurance Lead post holder will conduct assessments and audits, sharing findings and mitigations actions with ...

then spend time working on a project to improve or modernise part of the Linux platform. This could involve developing automation, improving platform security, refining operational standards, or implementing infrastructure changes using Infrastructure as Code and configuration management tooling. As part of the team responsible for supporting business-critical … Requirements The CNI Platform operates within a secure, air-gapped environment supporting business-critical services. This presents a unique range of operational, engineering, and security challenges. As a Senior Linux Engineer, you will be responsible for the support, reliability, security, and continuous improvement of the Linux platform. Working ...

specialists whose diversity of expertise enables us to deliver secure, high quality engineering solutions across complex environments. This role spans Linux, Windows, hardware, security, cloud technologies, and automation. You will contribute to the design, deployment, support, and improvement of enterprise grade infrastructure platforms that form the backbone of mission … Kickstart, PXE, and cloud init for cloud image builds. General Linux skills including shell scripting and automation. Server patching, lifecycle management, and performance optimisation. Security hardening experience (CIS benchmarks, SELinux, OpenSCAP). Familiarity with Puppet/Foreman for configuration management and an interest in migrating to Ansible ...

specialists whose diversity of expertise enables us to deliver secure, high quality engineering solutions across complex environments. This role spans Linux, Windows, hardware, security, cloud technologies, and automation. You will contribute to the design, deployment, support, and improvement of enterprise grade infrastructure platforms that form the backbone of mission … Kickstart, PXE, and cloud init for cloud image builds. General Linux skills including shell scripting and automation. Server patching, lifecycle management, and performance optimisation. Security hardening experience (CIS benchmarks, SELinux, OpenSCAP). Familiarity with Puppet/Foreman for configuration management and an interest in migrating to Ansible ...

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 ...

Internet of Things. Reply’s services include Consulting, System Integration, and Digital Services. Role Overview: We are looking for a hands-on Cloud Security Engineer to join our growing cybersecurity practice. This is an engineering-first role so we are looking for someone who builds, configures, and secures cloud … embedded within financial services and public sector client engagements, working directly alongside engineering and platform teams to design and implement secure cloud architectures, integrate security into delivery pipelines, and improve cloud security posture across primarily AWS -based environments. You will bring a strong cloud engineering background with ...

with deep experience configuring, managing, and troubleshooting hardware and software. You're fluent in MacOS, Windows, Google Workspace, Microsoft O365, WiFi networks, and current security protocols. You'll provide direct support to team members while driving long-term operational IT projects. Position Responsibilities Infrastructure & Project Leadership Own and drive … long-term IT infrastructure projects from scoping through delivery including network upgrades, cloud migrations, security hardening, and tooling improvements Develop and maintain technical roadmaps aligned with business goals, collaborating with leadership to prioritize initiatives Design, implement, and continuously improve automated provisioning and systems management pipelines (CI/ ...

Oxford Dynamics is at an inflection point. We operate in some of the most complex and high‐stakes environments in the world defence - national security, AI and robotics. The decisions we make now will define not just how fast we grow, but who we become. You will work closely … ordnance disposal. The same brain reasons across the screen and the machine. We work where wrong decisions can be catastrophic, partnering with defence and security organisations internationally to help protect nations, infrastructure and lives What you will be doing here/why this role matters Oxford Dynamics ...

Outside IR35 Contract Length: 6 months Clearance : Active SC or DV Clearance required I’m looking for an experienced, security-focussed SeniorInfrastructure Engineer to design, implement and support secure Microsoft infrastructure across complex enterprise environments. This is a hands-on role focused on Microsoft infrastructure, identity, security, automation … PowerShell and Ansible automation experience Experience designing and supporting secure Microsoft infrastructure services Knowledge of identity, authentication and privileged access management (PAM) Experience with security monitoring, SIEM and logging Experience supporting Exchange/Exchange Online, DNS and core infrastructure services Strong troubleshooting skills across infrastructure and security environments ...

Directory, DNS, DHCP, and Group Policy. Administering VMware vSphere environments, with Hyper-V experience viewed as an advantage. Delivering server patching, operating system upgrades, security hardening, and vulnerability remediation. Diagnosing and resolving infrastructure issues, carrying out root cause analysis where appropriate. Assisting with infrastructure change projects, including server … beneficial). Strong understanding of Active Directory, DNS, DHCP, and Group Policy. Experience with Windows patch management, operating system lifecycle management, and server security best practices. Excellent troubleshooting skills and experience supporting business-critical infrastructure. Strong communication skills with the ability to produce clear technical documentation. Desirable Experience ...

policymakers who can act on what they learn. Tasks About the role You will own all of AIWI's technology: architecture, implementation, deployment, security, and maintenance. Delivery will be hands-on and you will manage a budget for executing items defined on your roadmap. You will work closely with … founders, Head of Security, and translate requirements from our operations, research, and advocacy teams into working systems. The work is demanding, sensitive, and consequential; conviction in our mission is essential. Areas of Ownership Internal tooling. We operate in a highly sensitive environment. Many commercial SaaS products, and hosted ...

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 ...

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 ...

/ESXi infrastructure Develop and maintain automation using Ansible Troubleshoot OS, networking, storage and performance issues Support Windows Server integrations where required Deliver patching, security hardening and compliance activities Maintain technical documentation and operational procedures Provide technical guidance to other engineers What you'll need to succeed Strong ...

Linux administration experience (RHEL, Rocky Linux or similar) VMware vSphere/ESXi administration Ansible automation Bash/Shell scripting Infrastructure troubleshooting and performance monitoring Security hardening and patch management Networking, storage and permissions management Experience with Docker or Podman beneficial Familiarity with Git and CI/CD practices ...

Linux administration experience (RHEL, Rocky Linux or similar) VMware vSphere/ESXi administration Ansible automation Bash/Shell scripting Infrastructure troubleshooting and performance monitoring Security hardening and patch management Networking, storage and permissions management Experience with Docker or Podman beneficial Familiarity with Git and CI/CD practices ...

Inverness with five days onsite. You will administer and optimize Active Directory, PKI, DNS, and Group Policy, delivering L2/L3 operational support and security hardening to ensure availability, resilience and trusted #J-18808-Ljbffr ...

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 ...