1 to 25 of 44 Security Hardening Jobs in England

Senior Security Analyst

Hiring Organisation
Arthur
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
Senior Security Analyst/Security Engineer London (City) | £80,000–£90,000 | Permanent If you’re the kind of security engineer who can spot an active threat, contain it calmly, and then harden the environment so it doesn’t happen again — this role is built for you.We … hiring a hands-on Senior Security Analyst/Security Engineer to strengthen a Microsoft-centric security posture across detection, response, tooling, and infrastructure hardening. Not a one-lane SOC role. Not governance-heavy. This role blends incident response with security engineering and hardening and ideal ...

Security Architect

Hiring Organisation
Comtecs
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£95,000
Infrastructure Security Architect Infrastructure Security, Business Continuity, Disaster Recovery, IT Security, Wintel/Azure Server Security, Operational Resilience Testing.Permanent, London, (Hybrid 3/2), £85k - £95k +Bonus +Benefits Infrastructure Security Architect required to focus on operational resilience testing and remediation ork within the disaster recovery … backup and restore and broader business continuity context surrounding Wintel/Azure infrastructure environments.Some of this work will include security hardening work in both pre-emptive and reactive capacity as part of a wider Wintel Engineering team. Working collaboratively with both BAU and Project teams your project work ...

Security Architect

Hiring Organisation
Comtecs Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£85,000 - £95,000 per annum
Infrastructure Security Architect – Infrastructure Security, Business Continuity, Disaster Recovery, IT Security, Wintel/Azure Server Security, Operational Resilience Testing. Permanent, London, (Hybrid 3/2), £85k - £95k +Bonus +Benefits Infrastructure Security Architect required to focus on operational resilience testing and remediation ork within the disaster … recovery, backup and restore and broader business continuity context surrounding Wintel/Azure infrastructure environments. Some of this work will include security hardening work in both pre-emptive and reactive capacity as part of a wider Wintel Engineering team. Working collaboratively with both BAU and Project teams your ...

DevSecOps Engineer

Hiring Organisation
RedTech Recruitment
Location
Slough, Berkshire, UK
Employment Type
Full-time
DevSecOps Engineer An exciting opportunity for an experienced DevSecOps Engineer to join a market-leading, disruptive AI software company as they strengthen their security engineering capability and embed security into their platform and development workflows. Specialising in cutting-edge artificial intelligence technology, this rapidly growing organisation offers … opportunity to work on complex cloud environments, implement secure-by-design principles, and deliver measurable improvements in overall security posture. You will work cross-functionally with Platform (SRE), Infrastructure, and Security teams, taking ownership of automation, cloud security hardening, and control implementation. This is a hands ...

DevSecOps Engineer

Hiring Organisation
RedTech Recruitment
Location
City of London, London, United Kingdom
DevSecOps Engineer An exciting opportunity for an experienced DevSecOps Engineer to join a market-leading, disruptive AI software company as they strengthen their security engineering capability and embed security into their platform and development workflows. Specialising in cutting-edge artificial intelligence technology, this rapidly growing organisation offers … opportunity to work on complex cloud environments, implement secure-by-design principles, and deliver measurable improvements in overall security posture. You will work cross-functionally with Platform (SRE), Infrastructure, and Security teams, taking ownership of automation, cloud security hardening, and control implementation. This is a hands ...

Database Security Consultant

Hiring Organisation
Stackstudio Digital Ltd
Location
East London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £500 to £600 per day
Role - Database Security Consultant Location -3 days from Canary Wharf office and 2 days from home Contract - Inside IR35 Job Description Key Responsibilities: Security Onboarding & Product Integration: Collaborate closely with Product Team to integrate and onboard product to security controls. Work with CSO to agree compliance … onboarding requirements to CSO controls. Interpret security policies and standards to define appropriate control compliance for new and existing products. Facilitate the implementation of security controls, including but not limited to: certificate management, (automation) access management and Authorisation, data encryption, and secure configuration. Work with engineering teams ...

Database Security Engineer

Hiring Organisation
Hirexa Solutions UK
Location
Canary Wharf, London, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
Responsibilities: Security Onboarding & Product Integration: Collaborate closely with Product Team to integrate and onboard product to security controls. Work with CSO to agree compliance and onboarding requirements to CSO controls. Interpret security policies and standards to define appropriate control compliance for new and existing products. Facilitate … implementation of security controls, including but not limited to: certificate management, (automation) access management and Authorisation, data encryption, and secure configuration. Work with engineering teams to implement and test security controls. Develop and maintain documentation for security onboarding processes and control implementation. Security Control Evidencing & Audit ...

Senior Network & Security Engineer

Hiring Organisation
IO Associates
Location
London, United Kingdom
Employment Type
Contract
Senior Network & Security Engineer (VCF/NSX-T/Automation) - Inside IR35 - London - Central (Hybrid) We're looking for an experienced Senior Network & Security Engineer to support the design, delivery, automation, and security hardening of a complex VMware Cloud Foundation (VCF)/NSX-T estate within … high-security environment. Role Details: Contract length: 6 months (rolling) Daily rate: £500-£600 per day (Inside IR35) IR35 status: Inside IR35 Location: Hybrid - on-site in London Start date: ASAP Clearance: SC Cleared required (DV preferred) - DV Eligible Key Responsibilities: Lead end-to-end NSX-T design within ...

Linux Systems Admin (RedHat) - DV Cleared

Hiring Organisation
Oscar Associates (UK) Limited
Location
Watford, Hertfordshire, South East, United Kingdom
Employment Type
Permanent
Salary
£75,000
Design, provision, and manage Linux systems (Red Hat preferred) within virtual infrastructures p]:pt-0 [&>p]:mb-2 [&>p]:my-0'> Apply security hardening to CIS/NIST standards, deploy patches via Satellite Server, and use security scanning for threat remediation … containerised applications and Linux OS versions p]:pt-0 [&>p]:mb-2 [&>p]:my-0'> Deploy, configure, and integrate vendor monitoring tools with OS, security, AD, and backup platforms p]:pt-0 [&>p]:mb-2 [&>p]:my-0'> Build and support network and infrastructure monitoring tools, leveraging SNMP, Syslog ...

Senior Network Engineer, Cingularity

Hiring Organisation
IMG
Location
London Area, United Kingdom
specific customer projects. Traffic Forwarding: Ensure optimal performance and data integrity for high-availability, scalable systems used for critical live content broadcasting. Network Security & Maintenance Infrastructure Security: Take ownership of network security, implementing best practices for access control and protection across the entire ecosystem. Firmware & Lifecycle Management … Manage and execute regular firmware upgrades, patching, and maintenance across all network hardware to ensure stability and mitigate vulnerabilities. System Hardening: Implement network-level security hardening to protect mission-critical transmission paths. NetOps & Monitoring Refinement Internal Tooling: Build and refine monitoring techniques where the primary "customers ...

Windows Platform Engineer

Hiring Organisation
Robert Walters
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£90,000 - £110,000 per annum
investigations post-incident. By collaborating with development teams on testing regimes and release management, you will facilitate service enhancements whilst upholding stringent standards of security and compliance. Your expertise will further be called upon for the preparation of comprehensive documentation, liaison with audit functions, identification of cost efficiencies … disaster recovery planning is crucial.* The ability to optimise network, storage, server, and virtualisation layers for peak performance evidences technical depth.* Experience interpreting CIS security hardening recommendations within regulated environments supports robust compliance measures.* Familiarity with Infrastructure as Code concepts alongside CI/CD pipelines utilising tools such ...

Service Desk Analyst

Hiring Organisation
Cooper Golding
Location
Exeter, Devon, United Kingdom
Employment Type
Permanent
Salary
£25000 - £30000/annum
manner - Your own car and a clean driving licence would be advantageous (costs will be reimbursed) - Degree-level or higher qualification in BSc Cyber Security, BSc Computer Science, BSc Software Engineering, BSc Mathematics, MSc Cyber Security is desirable - Any relevant industry certifications Must be able to demonstrate some … ideally up to Windows Server 2025 and certainly Windows 11, including Active Directory and DNS - Understanding of network topologies including wired/wireless, switching, security and VLANs. - Implementation of networking upgrades desirable - Experience of basic security hardening and penetration testing would be advantageous - Experience of conducting audits ...

Windows Site Reliability Engineer

Hiring Organisation
Intec Select Ltd
Location
London, Aldgate, United Kingdom
Employment Type
Permanent
Salary
£100000 - £110000/annum
remediate technical debt Partner with development teams to improve testing, releases, and deployments Shape cloud and hybrid migration strategies Ensure regulatory, audit, and security compliance Act as senior escalation point for high-severity incidents Identify cost and efficiency improvements; deputise for senior leadership Skills and Experience: Deep expertise … development capability (PowerShell, Python, C#) Clustering, high-availability, replication, and disaster recovery expertise Experience with Git, Terraform, Ansible, Jenkins, and TeamCity Strong understanding of security hardening (CIS) within regulated environments Deep knowledge of performance monitoring, system internals, and optimisation techniques Experience working within financial services or other regulated ...

Linux Infrastructure / Platform Engineer

Hiring Organisation
Salt
Location
Manchester, North West, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £425 per day + hybrid (manchester) outside IR35
based distributions Deploy, manage, and troubleshoot containerised applications using Docker and Kubernetes Administer and support virtual machine infrastructure Monitor system performance, availability, and security Manage system configuration, patching, updates, and hardening Implement and maintain Infrastructure as Code, particularly using Terraform, ARM, and Bicep within Azure environments Configure … networking, firewalls, and routing Experience managing PostgreSQL databases Strong troubleshooting and system performance optimisation skills Experience working in high-availability production environments Knowledge of security hardening and compliance standards Experience improving system observability and monitoring strategies *Rates depend on experience and client requirements ...

Linux System Administrator

Hiring Organisation
Gleeson Recruitment Group
Location
West Midlands, United Kingdom
Employment Type
Permanent
Responsibilities BAU & Operational Support * Administer, monitor, and maintain circa 100 Linux servers across production and non-production environments * Perform system patching, upgrades and security hardening * Manage user access, permissions and authentication services * Troubleshoot performance issues, outages and system alerts * Maintain high availability, reliability and up time standards * Manage … efficiency, performance and cost optimisation Documentation & Governance * Maintain clear technical documentation and runbooks * Follow change management and incident management processes * Work collaboratively with network, security and application teams Required Skills & Experience * Strong hands-on experience administering Linux environments (e.g., Ubuntu, CentOS, Red Hat, Debian or similar) * Solid understanding ...

PowerShell DSC Engineer ArcGIS Enterprise Automation

Hiring Organisation
Stackstudio Digital Ltd
Location
Reading, Berkshire, UK
Employment Type
Full-time
.ArcGIS Enterprise Automation Automate installation, postinstall configuration, federation, and validation of ArcGIS Enterprise components. Build automated workflows for ArcGIS Portal initialization, content management, and security setup. Integrate automation with enterprise systems such as load balancers, certificates, storage, and identity providers.VMSS Automation Design and implement automation workflows for ArcGIS Enterprise … Ansible, Chef, Puppet, or similar. Knowledge of CI/CD pipelines and Git-based workflows. Scripting experience in Python for ArcGIS automation. Understanding of security hardening and enterprise IT best practices.Employment Details Job Type: Contractor Experience Level: 10+ Department: GIS/Automation/DevOps JBRP1_UKTJ ...

PowerShell DSC Engineer ArcGIS Enterprise Automation

Hiring Organisation
Stackstudio Digital Ltd
Location
Wokingham, Berkshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
From £350 to £380 per day
ArcGIS Enterprise Automation Automate installation, postinstall configuration, federation, and validation of ArcGIS Enterprise components. Build automated workflows for ArcGIS Portal initialization, content management, and security setup. Integrate automation with enterprise systems such as load balancers, certificates, storage, and identity providers. VMSS Automation Design and implement automation workflows for ArcGIS … Ansible, Chef, Puppet, or similar. Knowledge of CI/CD pipelines and Git-based workflows. Scripting experience in Python for ArcGIS automation. Understanding of security hardening and enterprise IT best practices. Employment Details Job Type: Contractor Experience Level: 10+ Department: GIS/Automation/DevOps ...

Linux Infrastructure Engineer

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £600/day
integration of Linux operating systems - Red Hat preferred Provisioning of new systems within virtual environments OS upgrades, patching and lifecycle management via Satellite Server Security hardening to CIS and NIST standards Use of security scanning tools and threat remediation Deployment, configuration and troubleshooting of vendor monitoring tools … Integration with operating systems, container platforms, Active Directory, security tooling and backup solutions Build and deployment of network and infrastructure monitoring tools Strong troubleshooting across OS and IP networking environments Production of High and Low Level Design documentation and build guides Expected Activities Deliver against the project technical roadmap ...

Vulnerability Analyst

Hiring Organisation
Robert Half
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
partnering with a Financial Services organisation to recruit a Vulnerability Analyst on an initial 12-month contract. This role sits within a growing security function focused on strengthening vulnerability management practices, improving remediation workflows, and enhancing the organisation's overall security posture. The successful candidate will play … vulnerabilities across the business, while working closely with both technical and non-technical stakeholders. Responsibilities: Conduct threat and vulnerability assessments to identify potential security risks across systems and infrastructure. Perform vulnerability scanning and validate identified weaknesses and remediation activities. Analyse, triage, and prioritise vulnerabilities based on risk, business impact ...

Cloud Platform Engineer

Hiring Organisation
NEC Software Solutions
Location
Hartlepool, England, United Kingdom
platform components. Assist with onboarding new cloud environments and subscriptions/accounts. Documentation & Collaboration Maintain engineering documentation, runbooks, and platform patterns. Collaborate with Security, FinOps, and Platform Services teams to embed operational and governance controls. BAU vs Project Responsibilities BAU Maintain landing zones, IAM integrations, networking, and IaC pipelines. … configuration management. Project/Change Implement new platform capabilities and architectural enhancements. Improve automation, self-service, and developer experience. Refactor platform components to improve security, scalability, and reliability. Qualifications Intermediate or advanced cloud certifications in AWS, Azure, or OCI (above Fundamentals level). Eligible for UK Security Clearance ...

Citrix Engineer

Hiring Organisation
DXC
Location
Newcastle Upon Tyne, Tyne and Wear, North East, United Kingdom
Employment Type
Permanent
Citrix Workspace Environment Management (WEM) and FSLogix. Monitor and troubleshoot Citrix infrastructure using Citrix Director, Citrix Studio, and other diagnostic tools. Implement and maintain security controls, including MFA, SSL certificates, and access policies. Collaborate with infrastructure teams (network, storage, cloud, and security) to ensure seamless integration and performance. … . Experience with Microsoft Endpoint Manager (Intune), Azure, and M365 integration. Knowledge of VDI performance monitoring and capacity planning tools. Exposure to Zero Trust, security hardening, and multi-factor authentication in Citrix environments. Familiarity with ITIL processes and change management practices. About you: UK national Location - Flexible, with ...

VMWare Engineer

Hiring Organisation
Henderson Scott
Location
North West, United Kingdom
Employment Type
Contract
lead a focused vulnerability remediation programme across a complex on-prem estate. This is not BAU support. This is about clearing a vulnerability backlog, hardening the platform, and materially reducing security risk . You'll take ownership of identifying, assessing, and remediating critical vulnerabilities across vSphere, ESXi … vCenter , driving patching, upgrades, and configuration hardening through to completion. Key Focus: Validate and triage vulnerability scan findings Execute ESXi patching and vCenter upgrades Apply security hardening across hosts and clusters Reduce critical and high-risk exposure within SLA Drive remediation activity across infrastructure and security ...

SQL Server Architect - SC Cleared

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£590 - £605/day
CloudFormation). Design and validate Always On patterns, listener routing, quorum/witness. Collaborate with the Infrastructure Architect to ensure network/IAM/security fit. Produce documentation, runbooks, and handover materials for operations. Skills & Experience Essential 10+ years with Microsoft SQL Server (2016+) architecture and operations. Proven delivery … workloads (EC2, EBS, FSx, Route 53, CloudWatch, Backup, SSM). Automation tooling (CloudFormation/Terraform, PowerShell DSC). Experience with regulated environments and security hardening ...

DevOps Engineer

Hiring Organisation
Mastek
Location
Reading, England, United Kingdom
team members Essential Skills: Experience with Enterprise Jenkins to create reusable pipelines across projects Understanding of the Linux Operating System, standard network protocols and security hardening. Proven experience using AWS Cloud Solutions and services such as Ec2, S3, Lambda, EKS, API Gateway, ALB, API Gateway, Autoscaling etc In-depth ...

Senior Infrastructure Engineer Identity Access Management

Hiring Organisation
Rise Technical Recruitment Limited
Location
Milton Keynes, Buckinghamshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£550 - £600 per day
current platform services, as set out below. Experience Required: * Expertise in Active Directory design, administration and troubleshooting - Forests, domains, trusts, Group Policy, DNS, AD security hardening * Strong experience with Microsoft Azure in enterprise environments - Azure AD/Entra ID, identity federation, RBAC, conditional access, Zero Trust technology * Hybrid … including: - Certificate lifecycle management (issuance, renewal, revocation) - Integration of certificates with AD, Azure, servers, applications and services - Understanding certificate trust models, CRLs, OCSP and security best practice * Experience operating identity and PKI services within secure/regulated platforms * Strong troubleshooting skills across identity, authentication and access issues * PowerShell scripting ...