System Administrator II

About the role

EPE is looking for a System Administrator II to act as a senior technical contributor responsible for the administration, security, reliability and continuous improvement of our enterprise infrastructure, cloud platforms and identity services.

Key responsibilities

• Administer and optimise Microsoft 365, Entra ID, server platforms, virtualization environments, endpoint management systems and cloud services.
• Lead troubleshooting and root‑cause analysis for complex infrastructure, identity, networking, security and application issues.
• Plan and execute upgrades, migrations, lifecycle management and platform modernisation initiatives.
• Evaluate performance, capacity and resiliency, recommending improvements aligned with business goals.
• Implement and continuously improve security controls, identity governance, conditional access, privileged access, MFA, passkeys and endpoint compliance.
• Lead vulnerability remediation, security hardening and support audit‑readiness and compliance programmes.
• Provide technical leadership during security incidents and coordinate incident response.
• Drive technical assessments and integration plans for acquisitions, office expansions, relocations and new build‑outs.

Required profile

• Proven experience as a senior systems or infrastructure administrator in a complex, multi‑cloud environment.
• Strong analytical skills with the ability to lead complex problem‑solving initiatives.
• Experience mentoring junior staff and collaborating with cross‑functional teams.
• Demonstrated ability to manage large‑scale projects such as migrations, acquisitions and office deployments.

Required skills

• Microsoft 365
• Entra ID / Azure AD
• Server platforms (Windows Server, Linux)
• Virtualisation (VMware, Hyper‑V)
• Endpoint management (Intune, SCCM)
• Cloud services (Azure, AWS)
• Identity governance and conditional access
• Privileged access management
• Multi‑factor authentication (MFA) and passkeys
• Endpoint compliance solutions
• Vulnerability remediation and security hardening
• Audit compliance and evidence collection
• Incident response
• Networking and telecommunications
• SaaS platform integration