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Role: Infrastructure Engineer (PKI) - DV Cleared
Duration: 6-month rolling
Rate: Up to £500/day Outside IR35
Location: UK Onsite

We are seeking a skilled Infrastructure Support Specialist to join our Customers IT Team. This role is key to ensuring the reliability, security, and compliance of our Public Key Infrastructure (PKI) services and related systems. You will provide expert support, manage critical certificates, maintain infrastructure, and enforce security policies.

Key Responsibilities include:

Deliver advanced 2nd and 3rd line support for PKI infrastructure, including root and issuing CAs, resolving issues related to certificate issuance, revocation, auto-enrolment, and chain validation.Respond to and manage incidents, service requests, and change tickets in line with SLA targets, ensuring timely and effective resolution.Configure, maintain, and support core systems such as AzureAD accounts, SSO applications, Microsoft Intune, and Microsoft Defender monitoring.Oversee CA operations, CRLs, OCSP responders, and backup CA keys; perform patching, updates, and maintain an up-to-date cryptographic inventory.Keep comprehensive PKI documentation, review audit logs, implement role-based access controls, and uphold revocation procedures and security best practices.

To find out more, please apply now or drop an email with a copy of your CV to [email protected]

GCS is acting as an Employment Business in relation to this vacancy.

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Role: Infrastructure Support Engineer (PKI) - DV Cleared
Duration: 6-month rolling
Rate: Up to £500/day Outside IR35
Location: UK Onsite

We are seeking a skilled PKI & Infrastructure Support Specialist to join our Customers IT Team. This role is key to ensuring the reliability, security, and compliance of our Public Key Infrastructure (PKI) services and related systems. You will provide expert support, manage critical certificates, maintain infrastructure, and enforce security policies.

Key Responsibilities include:

Deliver advanced 2nd and 3rd line support for PKI infrastructure, including root and issuing CAs, resolving issues related to certificate issuance, revocation, auto-enrolment, and chain validation.Respond to and manage incidents, service requests, and change tickets in line with SLA targets, ensuring timely and effective resolution.Configure, maintain, and support core systems such as AzureAD accounts, SSO applications, Microsoft Intune, and Microsoft Defender monitoring.Oversee CA operations, CRLs, OCSP responders, and backup CA keys; perform patching, updates, and maintain an up-to-date cryptographic inventory.Keep comprehensive PKI documentation, review audit logs, implement role-based access controls, and uphold revocation procedures and security best practices.

To find out more, please apply now or drop an email with a copy of your CV to [email protected]

GCS is acting as an Employment Business in relation to this vacancy.

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Business Analyst needed for a 4 week project

Location: Hybrid (Reading office & remote)

The client are looking for a skilled Business Analyst to lead the discovery and documentation of user personas for a strategic VDI deployment.

Required Skills & Experience

Proven experience in business analysis within IT transformation or EUC projects.Strong understanding of VDI technologies (Citrix, Azure Virtual Desktop, Windows 11).Expertise in persona modelling, process re-engineering, and stakeholder management.Familiarity with agile methodologies and tools (Scrum, Jira, Confluence).Excellent communication and presentation skills.Ability to work across multiple teams and manage competing priorities.

Ideally the client is looking for someone to start ASAP

Please email me your cv to [email protected]

GCS is acting as an Employment Business in relation to this vacancy.

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