6 jobs found

Senior Infrastructure Engineer Location: Milton Keynes / London Hybrid Salary: Competitive Day Rate Overview: First Military Recruitment are currently seeking a Senior Infrastructure Engineer on behalf of one of our clients. We are seeking an Engineer with strong Azure, Windows Server, Linux, networking and endpoint security experience to support enterprise infrastructure platforms across on-premises and cloud environments. The role will focus on deploying and supporting XDR agents, Azure Arc onboarding, Azure Monitor Agent (AMA) installations, infrastructure monitoring and maintaining secure, reliable platform services across Windows and Linux server estates. Our client encourages applications from ex-military personnel however all candidates will be given due consideration. Duties and Responsibilities: Deploy, configure and support Microsoft Azure infrastructure services. Install and onboard Windows and Linux servers to Azure Arc. Configure and manage Azure Arc-enabled servers and associated extensions. Support Azure resource management, subscriptions, resource groups and RBAC permissions. Assist with hybrid cloud integration and infrastructure modernisation initiatives. Install, configure, and troubleshoot Azure Monitor Agent (AMA) on Windows and Linux servers. Configure Azure Monitor, Log Analytics Workspaces, Data Collection Rules (DCRs), dashboards and alerting solutions. Monitor infrastructure performance, availability, capacity and security events. Support operational monitoring and reporting across enterprise environments. Deploy, configure, upgrade and maintain XDR/EDR agents across Windows and Linux server environments. Perform large-scale security agent rollouts using automated deployment methods. Troubleshoot agent installation, connectivity, onboarding and performance issues. Ensure endpoint security agents remain compliant and operational across the server estate. Support security operations teams with endpoint protection and monitoring requirements. Install, configure, administer and maintain Windows Server environments. Manage Active Directory, DNS, DHCP, Group Policy and certificate services. Perform server patching, upgrades, security hardening and lifecycle management. Troubleshoot operating system, application and infrastructure issues. Install, configure, administer and maintain Linux server environments. Manage system services, package repositories, storage, user access, and SSH configurations. Perform Linux patching, upgrades, and security hardening activities. Troubleshoot operating system, application, and networking issues. Configure and troubleshoot TCP/IP networking in on-premises and Azure environments. Support DNS, routing, firewalls, load balancers, VPNs and proxy services. Troubleshoot connectivity issues affecting Azure Arc, Azure Monitor Agent, and XDR agent communications. Support Azure networking technologies including. Automate operational tasks using PowerShell and Bash scripting. Support Infrastructure as Code (IaC) initiatives using Terraform, Bicep or ARM templates. Develop deployment and validation scripts for Azure Arc, Azure Monitor Agent and XDR solutions. Maintain technical documentation, standards and operational procedures. Implement security best practices and hardening standards across Windows and Linux platforms. Support vulnerability remediation, compliance initiatives and security audits. Investigate infrastructure and endpoint security alerts. Work closely with Cyber Security, Infrastructure and Operations teams to maintain secure platforms. Skills and Qualifications: Bachelor's degree in Information Technology, Computer Science, Cyber Security or equivalent experience. 5+ years of experience in Platform Engineering, Infrastructure Engineering, Cloud Engineering, or Systems Administration. Experience supporting enterprise Windows and Linux server environments. Strong Microsoft Azure administration and support experience. Hands-on experience installing and managing Azure Arc-enabled servers. Experience deploying and supporting Azure Monitor Agent (AMA). Experience deploying and supporting XDR/EDR security agents. Strong Windows Server administration skills. Strong Linux server administration skills. Knowledge of Active Directory, DNS, DHCP and Group Policy. Strong networking fundamentals including TCP/IP, DNS, routing, VPNs, firewalls and proxies. Experience with PowerShell and Bash scripting. Experience with Azure Monitor, Log Analytics and infrastructure monitoring solutions. Strong troubleshooting and analytical skills. Excellent communication and stakeholder management abilities. Ability to work independently and within cross-functional teams. Strong focus on security, reliability and operational excellence. Proactive approach to automation, monitoring and continuous improvement. DV Security Clearance. Desirable: Experience with Microsoft Defender XDR, CrowdStrike, SentinelOne, Cortex XDR, or equivalent platforms. Experience with Microsoft Intune, SCCM, Ansible or other deployment tools. Experience with Terraform, Bicep, or ARM templates. Knowledge of Microsoft Entra ID and Defender for Cloud. Familiarity with DevOps practices and CI/CD pipelines. Understanding of ITIL service management processes.

Platform Engineer 6 Months £529 -£629/Day Inside IR35 London/ Milton Keynes Clearance: DV We are seeking a Platform Engineer/ Senior Infrastructure Engineer our Government client based in London or Milton Keynes. This role will be office based 60% and remote 40%. The Platform Engineer/ Senior Infrastructure Engineer role will be an initial 6 month contract paying between £529 - £629/Day Inside IR35. This role is inside IR35 - Due to the service of the role it will now be based on an Umbrella solution. Clearance: DV Role Profile: The role will focus on deploying and supporting XDR agents, Azure Arc onboarding, Azure Monitor Agent (AMA) installations, infrastructure monitoring, and maintaining secure, reliable platform services across Windows and Linux server estates. Deploy, configure, and support Microsoft Azure infrastructure services. Install and onboard Windows and Linux servers to Azure Arc. Configure and manage Azure Arc-enabled servers and associated extensions. Support Azure resource management, subscriptions, resource groups, and RBAC permissions. Assist with hybrid cloud integration and infrastructure modernization initiatives. Install, configure, and troubleshoot Azure Monitor Agent (AMA) on Windows and Linux servers. Configure Azure Monitor, Log Analytics Workspaces, Data Collection Rules (DCRs), dashboards, and alerting solutions. Monitor infrastructure performance, availability, capacity, and security events. Support operational monitoring and reporting across enterprise environments. Deploy, configure, upgrade, and maintain XDR/EDR agents across Windows and Linux server environments. Perform large-scale security agent rollouts using automated deployment methods. Troubleshoot agent installation, connectivity, onboarding, and performance issues. Ensure endpoint security agents remain compliant and operational across the server estate. Support security operations teams with endpoint protection and monitoring requirements. Install, configure, administer, and maintain Windows Server environments. Manage Active Directory, DNS, DHCP, Group Policy, and certificate services. Perform server patching, upgrades, security hardening, and lifecycle management. Strong Microsoft Azure administration and support experience. Hands-on experience installing and managing Azure Arc-enabled servers. Experience deploying and supporting Azure Monitor Agent (AMA). Experience deploying and supporting XDR/EDR security agents. Strong Windows Server administration skills. Strong Linux server administration skills. Knowledge of Active Directory, DNS, DHCP, and Group Policy. Strong networking fundamentals including TCP/IP, DNS, routing, VPNs, firewalls, and proxies. Experience with PowerShell and Bash scripting. Experience with Azure Monitor, Log Analytics, and infrastructure monitoring solutions. Experience with Microsoft Defender XDR, CrowdStrike, SentinelOne, Cortex XDR, or equivalent platforms. Experience with Microsoft Intune, SCCM, Ansible, or other deployment tools. Experience with Terraform, Bicep, or ARM templates. Knowledge of Microsoft Entra ID and Defender for Cloud. Familiarity with DevOps practices and CI/CD pipelines. Understanding of ITIL service management processes. If you are interested in the above, hit the Apply now button! Platform Engineer, Azure, Senior Infrastructure Engineer, Linux, Platform Engineer, Windows, Senior Infrastructure Engineer, Platform Engineer, Endpoint, Powershell, Senior Infrastructure Engineer Platform Engineer, Senior Infrastructure Engineer, DV Clearance, DV Cleared, As a member of the Disability Confident Scheme, Circle and our Client guarantees to interview all candidates who have a disability and who meet all the essential criteria for the vacancy. In cases where we have a high volume of candidates who have a disability who meet all the essential criteria, we will interview the best candidates from within that group. Our client is proud to support the Armed Forces Covenant and as such, they guarantee to interview all veterans or spouses / partners of military personnel who meet all the essential criteria for the vacancy. In cases where they have a high volume of ex-military candidates / military spouses or partners, who meet all of the essential criteria, they will interview the best candidates from within that group. If you qualify, please notify us on . We will be in touch to discuss your suitability and arrange your guaranteed interview. Should you require reasonable adjustments at any point during the recruitment process or if there is a better way for us to communicate, please do let us know. Circle Recruitment is acting as an Employment Agency in relation to this vacancy. Earn yourself a referral bonus if you refer somebody else who fills the role! We also offer an iPad if you refer a new client to us and we recruit for them. Follow us on Facebook - Circle Recruitment , Twitter and LinkedIn - Circle Recruitment.

Job Title: Cyber Security Specialist Location : Doncaster Salary: £70,000 - £75,000 per year Job Type: Full Time, 12 Month Fixed Term Contract At DB Cargo UK, we keep the UK moving. As the UK's leading rail freight operator, we provide safe, reliable and sustainable rail logistics services that support businesses, communities and the wider economy. We are investing in our technology, resilience and cyber security capability and are looking for an experienced Cyber Security Specialist to join us on a 12 month fixed term contract. This is a key role within our IT Governance & Security function. Acting as DB Cargo UK's cyber security subject matter expert, you will lead cyber security governance, operations, compliance and resilience activities across a diverse portfolio of business-critical applications, cloud services and operational railway systems. You will help ensure cyber security enables business performance, supports innovation and protects our people, customers and operations. Please note that successful candidates will need to go through national security vetting. What You Will Be Doing: Lead and continually improve cyber security governance, risk, compliance and resilience activities across the organisation. Own and maintain the Information Security Management System (ISMS), policies, standards and governance processes. Lead compliance with NIS Regulations, GDPR and DB Group security requirements. Manage cyber security operations including threat monitoring, incident response, threat intelligence and vulnerability management. Develop Microsoft Sentinel, Microsoft Defender XDR and associated security monitoring capabilities. Provide governance across Azure, AWS, Microsoft 365, Entra ID and Intune environments. Lead information protection, DLP, retention, eDiscovery and security assurance activities. Support customer assurance, procurement reviews, supplier risk assessments and tender submissions. Provide cyber security leadership for ERTMS and ETCS transformation programmes. Deliver cyber awareness initiatives and senior leadership reporting. What We Are Looking For: Demonstrable experience in cyber security, information security or IT risk management. Experience of security operations, incident response and security monitoring. Knowledge of governance, risk management, compliance frameworks and assurance processes. Experience securing cloud, endpoint and identity platforms, ideally within Microsoft environments. Excellent stakeholder engagement and communication skills. Ability to balance security, operational requirements and commercial priorities. Degree in IT, Cyber Security or a related field is desirable. CISSP, CISM, ISO27001 or Microsoft Security certifications are advantageous. Why Join Us? You will have the opportunity to shape cyber security strategy and influence decision making across a critical national infrastructure organisation. We are looking for someone who combines strong technical expertise with sound commercial awareness, recognising that the best cyber security solutions protect people, support operational delivery and enable long-term business success. What's In It For You? Defined Contribution Pension Scheme with employer contributions of up to 10%. Health Cash Plan Scheme. Employee Benefits Portal with discounts across a wide range of retailers and services. Annual Leave Purchase Scheme. Cycle to Work Scheme. Charge & Go EV Vehicle Scheme. Employee Recognition Programme. Access to learning, development and career progression opportunities. Our Commitment: DB Cargo UK is committed to creating an inclusive workplace where everyone is valued, respected and able to thrive. We welcome applications from candidates of all backgrounds and are committed to building a diverse workforce that reflects the communities we serve. Please click APPLY to send your CV for this role. Candidates with experience of: Cyber Security Specialist, Cybersecurity Specialist, Information Security Specialist, Cyber Security Analyst, Senior Cyber Security Analyst, Information Security Analyst, Senior Information Security Analyst, Cyber Security Engineer, Information Security Engineer, Cyber Security Consultant, Information Security Consultant, Cyber Security Manager, Information Security Manager, Cyber Security Governance Specialist, Information Security Governance Analyst, Cyber Security Risk Analyst, may also be considered for this role.

Defend Critical Infrastructure. Hunt Threats. Make a Real Impact. Cyber threats never stand still-and neither do we. We're looking for a Senior Security Operations Centre (SOC) Analyst to join our growing Cyber Security team and play a key role in protecting some of the UK's most critical organisations. This is your opportunity to work at the frontline of cyber defence, investigating real-world threats, shaping detection capabilities, and helping drive the evolution of a mature and high-performing SOC. You'll be joining a collaborative team of cyber specialists who are passionate about defending organisations from evolving threats. You'll have the opportunity to influence SOC strategy, enhance detection capabilities, develop your expertise, and work with cutting-edge security technologies in a fast-paced operational environment. Ready to make an impact? Join us and help protect systems that matter. Apply today and take your cyber security career to the next level. If you're passionate about threat detection, incident response, and staying one step ahead of attackers, we'd love to hear from you. Office based: Farnborough. Clearance: You do need to be eligible for SC and DV Clearance. Shift based: 2 x 6am to 6pm; 2 x 6pm to 6am. 4 days off. What You'll Be Doing: Monitor, triage and investigate security incidents across critical client environments. Analyse network traffic, logs and security events to identify threats and vulnerabilities. Lead and support incident response activities, providing expert guidance on containment, eradication and recovery. Enhance detection rules and use cases using MITRE ATT&CK and threat-informed defence techniques. Support threat intelligence activities and contribute to the continuous improvement of SOC operations. What You'll Bring: ? Proven experience working within a Security Operations Centre. Hands-on experience with Microsoft Sentinel and Splunk. Strong understanding of MITRE ATT&CK. It would be great if you had: Networking protocols and infrastructure (TCP/IP, LAN/WAN, HTTP, SMTP, FTP, LDAP). Firewalls, VPNs, enterprise antivirus and security technologies. Security incident investigation and response. Excellent analytical, communication and stakeholder management skills. Cyber security qualifications such as Security+, BTL1 or equivalent. Malware analysis or reverse engineering experience. Python, PowerShell, Bash, Perl or C++ scripting skills. CySA+, Blue Team Level 2 or other SOC-focused certifications. Experience with QRadar alongside Sentinel and Splunk. If you are interested in this role but not sure if your skills and experience are exactly what we're looking for, please do apply, we'd love to hear from you! Employment Type: Permanent Location: Farnborough on site. Shift based. Security Clearance Level: Eligible for SC and DV Clearance. Internal Recruiter: Jane Salary: To£58K Benefits: 25 days annual leave with the choice to buy additional days, health cash plan, life assurance, pension. Shift allowance. Loved reading about this job and want to know more about us? Sopra Steria's Aerospace, Defence and Security business designs, develops and deploys digital solutions to Central Government clients. The work we do makes a real difference to the client's goal of National Security, and we operate in a unique and privileged environment. We are given time for professional development activities, and we coach and mentor our colleagues, sharing knowledge and learning from each other. We foster a culture in which employees feel valued and supported and have pride in their work for the customer, delivering outstanding rates of customer satisfaction in the UK's most complex safety- and security-critical markets.

Cyber Security Architect & Engineering Lead Location: London, hybrid Salary: £70,000 - £80,000 Our client is seeking a senior, hands-on Cyber Security Architect & Engineering Lead to strengthen its security architecture and engineering capability. Reporting to the Head of Information Security, this is a senior technical leadership role and genuine second in command, providing independent ownership across security architecture, engineering, operations and technical improvement. You will combine strong technical expertise with the ability to influence stakeholders, build business cases, deliver initiatives and mentor others. This is not a purely advisory, SOC or GRC role, the successful candidate will be expected to design, implement, improve and validate security controls. Key Responsibilities Define and evolve security architecture across identity, endpoints, networks, cloud, SaaS, data, applications and integrations. Design, implement and improve security controls, with a focus on Zero Trust, secure-by-design and automation. Lead security architecture reviews and threat modelling for major projects, technologies and high-risk integrations. Own security initiatives from problem identification and business case through to implementation and validation. Provide technical leadership across Microsoft Sentinel, Defender and wider SecOps , including configuration, tuning, detection engineering and monitoring. Provide oversight across incident response, threat hunting, vulnerability/exposure management and security recovery. Support complex and high-severity incident response with internal teams, SOC providers and specialist partners. Improve vulnerability management using business risk, exploitability, attack-path context and threat intelligence. Lead and support practical implementation of ISO 27001 controls, audits, remediation and continual improvement. Support Cyber Essentials Plus, client assurance and regulatory/contractual security requirements. Lead on AI security , including practical controls for Microsoft 365 Copilot, AI agents, custom AI applications and emerging technologies. Identify opportunities to automate security and assurance processes. What We're Looking For Hands-on security engineering and architecture experience within a Microsoft-centric environment . Strong Microsoft Sentinel experience, including setup, configuration, tuning, detection and SecOps. Strong knowledge of Microsoft Defender, Entra ID, Azure, Microsoft 365 and related security tooling. Identity, Zero Trust, cloud, data, endpoint, network, application and API security, plus secure software development. Experience with security architecture reviews, threat modelling, control design, technical standards and reference architectures. Strong practical ISO 27001 experience, including controls, audits, remediation and continual improvement. Experience across incident response, detection engineering, threat hunting, vulnerability/exposure management and security automation. Proven ability to own initiatives from identifying a problem and building the business case through to implementation and measuring improvement. Automation skills using Python, PowerShell, Logic Apps, Azure Functions, APIs, infrastructure as code or equivalent. Ability to influence senior stakeholders, communicate technical risk clearly and drive change without relying solely on formal authority. Mentoring colleagues and providing technical leadership. Experience in a regulated, client-confidential or professional services environment is advantageous. AI security, AI governance or security automation experience is highly desirable. Desirable Microsoft Certified: Cybersecurity Architect Expert / SC-100 CISSP or CCSP Microsoft security certifications such as AZ-500 or SC-200 GIAC certifications covering incident response, cloud, detection or forensics ISO 27001 Lead Implementer or Lead Auditor SABSA, TOGAF or equivalent About You You will be a hands-on security professional and technical leader comfortable moving between architecture, engineering, configuration, testing and stakeholder engagement. You take ownership rather than simply identifying problems. You will be able to demonstrate examples of identifying a security gap or opportunity, building the case for change, gaining approval and delivering successful implementation. Our client is not seeking a predominantly SOC alert-triage or heavily GRC focused candidate without strong technical experience. Equally, strong engineering ability alone is not enough; you will need leadership, ownership, commercial awareness and the ability to influence the wider business. Apply now for immediate review! Cyber Security Architect, Engineering Lead, Cyber Security, Microsoft Sentinel, Defender, Azure, Microsoft 365, Entra ID, SecOps, ISO 27001, CISSP, CCSP, TOGAF, SABSA Circle Recruitment is acting as an Employment Agency in relation to this vacancy. Earn yourself a referral bonus if you refer somebody else who fills the role! We also offer an iPad if you refer a new client to us and we recruit for them. Follow us on Facebook - Circle Recruitment , Twitter and LinkedIn - Circle Recruitment.

Senior Security Engineering Consultant (Detection Engineering / Microsoft Sentinel) Remote 80% £80,000 + performance bonus About the role Our client, a well-established cybersecurity services provider, is growing its UK Professional Services team and needs a Senior Security Engineering Consultant to lead detection engineering and automation for its customers. This is a hands-on, customer-facing role. You'll design and deliver detection and response capabilities across SIEM, XDR and SOAR platforms, working alongside a dedicated SOC engineering team. You'll also own a "detection as code" approach, so detections and automations are built consistently and at scale. What you'll do Build and tune detection rulesets in KQL (or equivalent) across SIEM and XDR platforms Design use cases aligned to MITRE ATT&CK and assess coverage against customer log sources Develop SOAR automations, integrations and incident response playbooks Deliver detection as code pipelines with structured versioning Lead customer workshops on detection strategy and SOC maturity Produce clear deliverables such as detection strategies, use case catalogues and coverage assessments What you'll bring Strong SIEM engineering experience, ideally Microsoft Sentinel Proven KQL detection writing SOAR experience (Logic Apps, Cortex XSOAR or similar) Python or PowerShell scripting, including API integration XDR/EDR experience (Defender, CrowdStrike, Cortex or similar) Azure security telemetry knowledge Consultancy or customer-facing background, with excellent communication skills Nice to have: XSIAM, SentinelOne, NDR tools (Vectra, Corelight), threat intelligence enrichment. What's on offer £70k-£80k plus performance-based bonus Hybrid working, Mon-Fri 9:00-5:30, no on-call Varied customer work and exposure to real-world threats Industry-leading benefits To apply: Send your CV to Fazer Recruitment via Reed. Right to work in the UK is required as is a Full driving Licence