and SOC teams to resolve end-user issues Handle escalated incidents directly with client leads Patch and maintain test/live environments (Anti-Virus, WSUS, RHEL, etc.) Work with PKI certificates and SIEM tooling Support Engineering and Test teams Perform AD administration (accounts, groups, permissions) Participate in a 24/7/365 on-call support rota Required Skills Strong More ❯
Mon-Fri (7am-3pm or 11am-7pm shift pattern). Security: Must be willing and eligible to gain high-level security clearance to support national security infrastructure. Desirable: Microsoft PKI experience is a bonus. More ❯
Identity protection, Conditional Access, MFA, and Privileged Identity Management (PIM). * Security Monitoring & Operations: SIEM platforms and SOC processes. * Network Security: Firewalls, web application firewalls, and VPN technologies. * Encryption: PKI and data encryption for both data at rest and in transit. * Email Security: Mimecast and Exchange Online, Tessian plus SPF/DKIM/DMARC configuration. * Backup and Recovery Systems: On More ❯
City of London, London, United Kingdom Hybrid/Remote Options
Premier Group
Cisco Secure Firewall, ISE, and SASE/SSE Advanced routing (BGP, OSPF, MPLS, VxLAN EVPN) VPN (IPsec, SSL), NAC (802.1X), and wireless Solid understanding of firewalls, proxy/WAF, PKI, MFA, and secure access. Experience with public cloud networking (Azure) and automation tools (Terraform, Ansible) is a plus. Excellent documentation, presentation, and stakeholder engagement skills. Desirable : Familiarity with Fortinet More ❯
City of London, London, United Kingdom Hybrid/Remote Options
Cyber Talent Limited
Lead PKI Engineer - Once in a life time opportunity to join a new scale up tech company who are disrupting the digital security sector. Fully remote role - Excellent work life balance - flexible hours to suit. Excellent salary - Up to 100k + pension + health + share scheme + flexible working + 25 days holidays. Complete remote role with quarterly meet … ups and customer site visits. Would you like to be part of an exciting cyber security software/services scale-up who are looking to recruit a talented Lead PKI Engineer? You may well be working in a team of PKI specialists and be looking for a lead role that has excellent career potential, and this amazing once in a … trust solutions utilising ground-breaking tech. About the role:- My customer are a scaling up tech company in the digital trust space and are looking to recruit an experienced PKI Engineer. This role is a brand new opportunity to be the SME for all PKI related products/services and you will be responsible for building and expanding upon their More ❯
in machine learning are also beneficial. Experience configuring and maintaining cloud infrastructure including network infrastructure, compute, access control policies, load balancers, PublicKeyInfrastructure (PKI), and DNS. Ideally, experience with AWS and Terraform or similar IaC tools. At a personal level we’re also looking for someone who is: Passionate about delivering software to realise More ❯
VMWare and Operating Systems MS Platform Engineering Linux Platform Engineering Configure, administer, and maintain environments across virtual and physical assets Monitor system health and performance Manage Backup Solutions and PKI Contribute to environment design and troubleshooting in a secure setting What We’re Looking For Proven experience in 3rd Line Support Strong knowledge of Operating Systems and VMWare Familiarity with … MS and Linux platforms Experience with environment monitoring, backup solutions, and PKI Ability to work in a secure environment and provide on-call support More ❯
out remediation at scale Building automation around configuration, monitoring, and incident response Improving endpoint security: EDR, AV, patching, OS hardening Working with core infrastructure (AD/Entra ID, PKI, networking) Investigating emerging threats and advising on technical risk Supporting global IT teams across a large distributed environment What you’ll need Strong Windows security engineering experience Solid understanding of … OS hardening, privileged access concepts, identity and security best practice Knowledge of common attack techniques and how to counter them Good grasp of Active Directory/Entra ID and PKI High level PowerShell programming skills Clear communicator, reliable, collaborative, able to influence technical decisions This role suits someone who wants real ownership, thrives under pressure, and enjoys solving complex security More ❯
City, London, United Kingdom Hybrid/Remote Options
Cyber Talent Limited
Lead PKI Engineer - Once in a life time opportunity to join a new scale up tech company who are disrupting the digital security sector. Fully remote role - Excellent work life balance - flexible hours to suit. Excellent salary - Up to 100k + pension + health + share scheme + flexible working + 25 days holidays click apply for full job details More ❯