Gloucester, Gloucestershire, South West, United Kingdom
Forward Role
ideally in Defence, National Security, or Government sectors Strong hands-on knowledge in several of the following: VMware technologies (ESXi, vCenter, NSX, VCF) Windows Server administration (AD, DNS, DHCP, PKI) Linux system administration Backup solutions (e.g. Veeam) Containerisation tools (e.g. Docker, Kubernetes) Monitoring tools such as Nagios Solid awareness of networking fundamentals and cyber security principles Strong documentation, communication, and More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Proactive Appointments
patching, and updating. Must be skilled at investigating and remediating reported vulnerabilities, and a have proactive approach to solutions. Deep understanding of cybersecurity frameworks and tools (EDR, SIEM, MFA, PKI, DLP). Nessus VAPT reporting and remediation Strong expertise in: Microsoft technologies (Windows Server, Azure Active Directory) Virtualization platforms (VMware ESXi, Proxmox) Networking including Layer 2/3 switching, routing More ❯
Role: PKI Support/Operator Employment Type: Permanent, Full-Time (Contract or Permanent) Location: On-site - Corsham/Farnborough Clearance Required: DV (Developed Vetting) Role Summary We're seeking a skilled PKI Support/Operator to provide 2nd-4th line support for PublicKeyInfrastructure (PKI) services and supporting infrastructure. This on-site role involves troubleshooting, maintenance … life-cycle management, and ensuring compliance with security best practices in a high-assurance environment. Key Responsibilities Operational Support & Incident Management Provide 2nd/3rd line support for PKI systems including root, subordinate, and issuing CAs. Troubleshoot certificate issues (issuance, revocation, validation, auto-enrolment). Manage incidents, service requests, and changes within defined SLAs. Infrastructure Maintenance Support identity … to CP/CPS and security policies. Manage CA audit logs and role-based access controls. Maintain detailed technical and procedural documentation. Required Skills & Experience Technical: Solid understanding of PKI concepts (CAs, CRLs, OCSP, key management). Windows Server administration and PowerShell scripting. Network fundamentals: DNS, DHCP, TCP/IP. Familiarity with security frameworks (FIPS 140-2, NIST, GDPR More ❯
Server 2016 SharePoint Server SQL Server 2016 Trend DSM VEEAM SolarWinds Amulet Hotkey Zero Clients Meinburg NTP VMware Horizon and AppVolumes Microsoft Endpoint Connection Manager Knowledge of: ADFS Windows PKI (especially within Defence or DPKI) VMware NSX and microsegmentation Cryptographic material handling and accounting Linux systems Cisco networking products Willingness to work outside normal hours, including on-call duties (average More ❯
Server 2016 SharePoint Server SQL Server 2016 Trend DSM VEEAM SolarWinds Amulet Hotkey Zero Clients Meinburg NTP VMware Horizon and AppVolumes Microsoft Endpoint Connection Manager Knowledge of: ADFS Windows PKI (especially within Defence or DPKI) VMware NSX and microsegmentation Cryptographic material handling and accounting Linux systems Cisco networking products Willingness to work outside normal hours, including on-call duties (average More ❯
swindon, wiltshire, south west england, united kingdom
Experis
Server 2016 SharePoint Server SQL Server 2016 Trend DSM VEEAM SolarWinds Amulet Hotkey Zero Clients Meinburg NTP VMware Horizon and AppVolumes Microsoft Endpoint Connection Manager Knowledge of: ADFS Windows PKI (especially within Defence or DPKI) VMware NSX and microsegmentation Cryptographic material handling and accounting Linux systems Cisco networking products Willingness to work outside normal hours, including on-call duties (average More ❯
Cheltenham, Gloucestershire, England, United Kingdom
Lorien
performance. Contribute to disaster recovery planning and testing. Skills & Experience: 3+ years administering Windows Server (2008-2019); Linux experience desirable. Strong PowerShell skills and automation experience. Familiarity with RSA, PKI, DNS/DHCP, and network protocols. Experience with Forefront/Microsoft Identity Manager. Excellent communication and stakeholder engagement skills. ITIL or service management qualifications (desirable). If you're a More ❯
ID, Active Directory, VDI, EUC, Microsoft 365 suites, and Intune Expertise in VDI technologies and virtual desktop management Knowledge of Microsoft 365, single sign-on (SSO), identity providers, and PKI systems PowerShell scripting skills and automation experience with Infrastructure as Code (IaC) Experience with SCCM, Citrix XenApp/XenDesktop, Azure Virtual Desktop Knowledge of Linux, OpenShift Container Platform, and More ❯
Huntingdon, Cambridgeshire, East Anglia, United Kingdom Hybrid / WFH Options
Leidos Innovations UK Limited
implementation, operation and maintenance of SIEM products Understanding of network and boundary protection technologies (firewalls, mail gateways, load balancers, anti-virus) Understanding of authentication and authorisation technologies (SAML, LDAP, PKI, etc) Understanding of security infrastructure in Public and Private cloud, e.g. virtual network infrastructure, hybrid IaaS/PaaS/SaaS solutions Communication and Soft Skills Excellent verbal More ❯
Bristol, Avon, England, United Kingdom Hybrid / WFH Options
Sanderson
reviews and analysis. Working knowledge and experience of tooling relating to cloud security posture management offerings, cloud native security (AWS/Azure) and endpoint security. Proficient in PublicKeyInfrastructure, Data at Rest/inTransit, Cryptography, Privileged User Access Management, Zero Trust, Cross Domain Solutions and Role-based Access Controls. What's in it for You You More ❯
Bristol, Avon, South West, United Kingdom Hybrid / WFH Options
Sanderson Government and Defence
reviews and analysis. Working knowledge and experience of tooling relating to cloud security posture management offerings, cloud native security (AWS/Azure) and endpoint security. Proficient in PublicKeyInfrastructure, Data at Rest/inTransit, Cryptography, Privileged User Access Management, Zero Trust, Cross Domain Solutions and Role-based Access Controls. What's in it for You You More ❯
implementing best practices using Infrastructure as Code (IaC) tools such as Terraform, Packer, CloudFormation and Cloud-Init Skills in Containerization: Kubernetes, ECS/Fargate, Nomad, Security: Hashicorp Vault, PKI, TLS, NCSC Principles, Networking: VPC Peering, DNS, Service Mesh, Identity & Device Management: Keycloak, Entra ID, JAMF, Okta. Extensive and demonstrable experience in designing, building, maintaining Linux workloads running across multiple More ❯
Huntingdon, Cambridgeshire, East Anglia, United Kingdom Hybrid / WFH Options
Leidos Innovations UK Limited
gateways, load balancers, antivirus, IPS, IDS, Diodes) Understanding of Protective Monitoring systems (SIEM/SOC) and the principles of their deployment. Understanding of authentication and authorisation technologies (SAML, LDAP, PKI, etc) Understanding of encryption and protocols and structures in support of deployment, e.g. custodian. Understanding of purpose and effectiveness of penetration tests or IT Health Checks. Communication and Soft Skills More ❯
gateways, load balancers, antivirus, IPS, IDS, Diodes) Understanding of Protective Monitoring systems (SIEM/SOC) and the principles of their deployment. Understanding of authentication and authorisation technologies (SAML, LDAP, PKI, etc) Understanding of encryption and protocols and structures in support of deployment, e.g. custodian. Understanding of purpose and effectiveness of penetration tests or IT Health Checks. Communication and Soft Skills More ❯
huntingdonshire, east anglia, United Kingdom Hybrid / WFH Options
Leidos Innovations UK Limited
gateways, load balancers, antivirus, IPS, IDS, Diodes) Understanding of Protective Monitoring systems (SIEM/SOC) and the principles of their deployment. Understanding of authentication and authorisation technologies (SAML, LDAP, PKI, etc) Understanding of encryption and protocols and structures in support of deployment, e.g. custodian. Understanding of purpose and effectiveness of penetration tests or IT Health Checks. Communication and Soft Skills More ❯
cambridge, east anglia, united kingdom Hybrid / WFH Options
Leidos Innovations UK Limited
gateways, load balancers, antivirus, IPS, IDS, Diodes) Understanding of Protective Monitoring systems (SIEM/SOC) and the principles of their deployment. Understanding of authentication and authorisation technologies (SAML, LDAP, PKI, etc) Understanding of encryption and protocols and structures in support of deployment, e.g. custodian. Understanding of purpose and effectiveness of penetration tests or IT Health Checks. Communication and Soft Skills More ❯
Leeds, West Yorkshire, Yorkshire, United Kingdom Hybrid / WFH Options
DWP Digital
you get to work across everything from authentication protocols to certificate management and secrets handling. It's fast-paced and constantly evolving. If you've got experience with IAM, PKI and cloud integration and you're comfortable scripting and automating with tools like PowerShell or APIs you'll fit right in. This team is extremely collaborative and forward-thinking. Everyone More ❯
Manchester, North West, United Kingdom Hybrid / WFH Options
DWP Digital
you get to work across everything from authentication protocols to certificate management and secrets handling. It's fast-paced and constantly evolving. If you've got experience with IAM, PKI and cloud integration and you're comfortable scripting and automating with tools like PowerShell or APIs you'll fit right in. This team is extremely collaborative and forward-thinking. Everyone More ❯
Blackpool, Lancashire, North West, United Kingdom Hybrid / WFH Options
DWP Digital
you get to work across everything from authentication protocols to certificate management and secrets handling. It's fast-paced and constantly evolving. If you've got experience with IAM, PKI and cloud integration and you're comfortable scripting and automating with tools like PowerShell or APIs you'll fit right in. This team is extremely collaborative and forward-thinking. Everyone More ❯
Newcastle Upon Tyne, Tyne and Wear, North East, United Kingdom Hybrid / WFH Options
DWP Digital
you get to work across everything from authentication protocols to certificate management and secrets handling. It's fast-paced and constantly evolving. If you've got experience with IAM, PKI and cloud integration and you're comfortable scripting and automating with tools like PowerShell or APIs you'll fit right in. This team is extremely collaborative and forward-thinking. Everyone More ❯
and configures tooling and processes to be secure. They build tooling to support pre-commit, Continuous Integration, Continuous Deployment through to production. They have experience of operating systems, Networking, PKI and Cloud Security tools. They build Secure Configuration Management using Infrastructure as Code Role Criteria Essential Criteria Demonstrable experience in design, delivery and operation of cloud native vulnerability management More ❯
as well as performing configuration and testing activities as part of an obsolescence project(s). Knowledge of Active Directory, Group Policy, DNS, VMware vCenter, VMWare ESXi and Windows PKI, among others. Works without direction and with customer nominated representatives to accomplish assigned tasks. Contributes to design for specific deliverables and assists in the development of technical solutions. Participates as … certification(s) in work field. Typically 5-10 years of relevant experience. Essential Knowledge and Skills Required: Windows Server 2003 to 2022 Active Directory DNS DHCP Group Policy Windows PKI DFS VMware vSphere and ESXi Veritas Clustering Microsoft Clustering Great customer service Good understanding of networks and Domain Structure Desirable skills andknowledge/certifications Any Microsoft/Citrix/VMWare More ❯
Bristol, Gloucestershire, United Kingdom Hybrid / WFH Options
Experis
and related infrastructure, including in a virtualised environment. Installation and configuration of Microsoft enterprise products including but not limited to, Active Directory, Group Policy, SQL, Exchange, Skype, WSUS, PKI and MS Office elements. Production and review of all levels of design artefacts. Supporting wider MCAST system testing activities. Working with Service Management to resolve issues. Essential skills, qualifications, and … virtualised environment. Several years' experience in the: Design, configuration, and administration of Active Directory, preferably in a secure environment Design, implementation, and administration in some of the following areas: PKI, DNS, DHCP, Exchange, SharePoint, Skype for Business (including unified comms from other vendors), WSUS, SolarWinds, Splunk, SQL, Trend (or similar AV products), proxying and Veeam. Experience in: Administering and monitoring More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Sanderson
Skills: Deep understanding of Public Sector Security and Cabinet Office Secure by Design Enterprise Risk Infrastructure & Cloud Security Identity & Access Management Container Security & DevSecOps Data Security, PKI, Palo Alto technologies Strong communicator with the ability to present complex issues in plain English to senior stakeholders Collaborative team player with a proactive, hands-on approach to design and More ❯
role in supporting both physical and virtual network solutions, collaborating with engineering and design teams. Responsibilities: - Responding to escalations from 2nd Line daily checks using ITSM tooling. - Managing PKI certificates for networking devices (physical and virtual). - Distributing software, firmware, and security updates for network devices. - Supporting and collaborating with design and engineering teams. - Maintaining and supporting virtual and More ❯
Employment Type: Permanent
Salary: £48000 - £55000/annum Bonus + Full Benefits