Windows Systems Administrator

1 month ago

Bristol, Bristol, United Kingdom graphcore Full time
Job Summary

We are seeking an experienced Windows Systems Administrator to manage and support the enterprise Windows environment, including Microsoft Endpoint Configuration Manager (MECM), formerly System Centre Configuration Manager (SCCM), Entra ID (formerly Azure AD), PowerShell scripting, automation, and on-prem Active Directory. The ideal candidate will have expertise in managing client devices, Windows Public Key Infrastructure (PKI), and a variety of other Windows server and client technologies. They should feel comfortable working in a team of Windows Administrators within a broader, multi-disciplined team across varying geographical locations.

Our team collaborates closely across business units to understand needs and provide tailored solutions that empower them to succeed and produce their work faster and better. We embrace a fast-paced, iterative approach that keeps us all challenged and engaged, and always look for ways to improve our processes and deliver value quickly

Key Responsibilities
  • Manage and maintain MECM infrastructure for deployment, updates, and software distribution
  • Perform application packaging, deployment, and lifecycle management
  • Troubleshoot deployment issues and optimize software rollout processes
  • Monitor and report on the status of MECM infrastructure, deployments, and compliance
Entra ID (Azure AD) Administration
  • Administer and support Entra ID, including user management, access policies, and security configurations in a 'hybrid' configuration using Azure AD Connect
  • Implement and manage Single Sign-On (SSO), Multi-Factor Authentication (MFA), and conditional access policies
  • Integrate on-prem Active Directory with Entra ID for hybrid environments
PowerShell Scripting and Automation
  • Develop and maintain PowerShell scripts for automation tasks related to user management, system administration, and software deployment
  • Build custom scripts to streamline repetitive tasks, enhance system monitoring, and improve operational efficiency
Active Directory (On-Prem) Management
  • Manage and support on-prem Active Directory including Group Policy Objects (GPOs), domain controllers, user accounts, and permissions
  • Ensure AD replication, health, and availability across the organization
  • A knowledge of how to Implement and manage trust relationships, forests, and cross-domain management
Windows Public Key Infrastructure (PKI) Administration
  • Administer and maintain Windows PKI environments including certificate issuance, renewal, and revocation
  • Ensure secure communication within the organization by managing certificates for users, devices, and services
Client End-User Device Management
  • Administer client devices (Windows workstations, laptops, etc.) ensuring they are compliant with corporate policies
  • Troubleshoot hardware and software issues on end-user devices
  • Manage Windows updates, security patches, and antivirus solutions across the client environment
  • Ensure device encryption and endpoint security policies are enforced
Automation & System Integration
  • Implement automation solutions to optimize the efficiency of daily administrative tasks
  • Use configuration management tools (e.g., MECM) to manage end-user devices, profiles, and policies
  • Integrate on-prem and cloud services for seamless IT operations
Monitoring & Reporting
  • Monitor system performance, event logs, and health metrics across all Windows systems
  • Generate reports on system health, performance, security posture, and compliance levels
  • Proactively resolve issues to maintain maximum system uptime
General Windows Administration
  • Manage Windows Server environments, ensuring regular updates, security patches, and performance optimization
  • Perform system backups and ensure disaster recovery readiness
  • Participate in system migrations, upgrades, and new infrastructure implementations
Collaboration & Support
  • Work closely with other IT teams (networking, security, application support) to provide an integrated service
  • Provide support to end-users and resolve escalated technical issues
  • Ensure compliance with organizational security policies and industry best practices
SharePoint Online Administration and Support
  • Administer and maintain SharePoint Online environments, ensuring proper permissions, security settings, and compliance with organizational policies
  • Provide support for SharePoint Online, including site creation, document libraries, lists, workflows, and integrations with other Office 365 services
  • Troubleshoot issues related to SharePoint performance, permissions, and user access
  • Assist with SharePoint Online migrations, upgrades, and site optimizations
  • Implement governance and best practices for SharePoint content management, site structures, and information architecture
  • Collaborate with teams to enhance SharePoint features, such as automating workflows using Power Automate and integrating with Microsoft Teams
Candidate Profile
Essential Skills
  • Experience in Windows administration, MECM, Active Directory, and the wider Entra/Azure AD MS Suite – Exchange Online, SharePoint, etc.
  • In-depth experience with MECM for OS and application deployment
  • Proficiency in Entra ID (Azure AD) and on-prem Active Directory
  • Strong PowerShell scripting skills and experience with automation tools
  • Knowledge of Windows PKI and certificate management
  • Experience with Windows server and client device management
  • Familiarity with endpoint security tools, patch management, and software distribution
  • Microsoft Certified: Azure Administrator Associate, Microsoft Certified: Windows Server Hybrid Administrator, or other relevant certifications preferred
  • Excellent problem-solving skills, attention to detail, strong communication, and ability to work independently and as part of a team
Desirable Skills
  • Experience with cloud environments, specifically Microsoft 365 and Azure
  • Knowledge of networking concepts, firewalls, and VPNs
  • Experience with virtualization technologies (e.g., Hyper-V, VMware)
  • Experience with Intune or other Mobile Device Management (MDM) platforms
  • Experience with Microsoft SQL servers and Microsoft Radius servers
Benefits

In addition to a competitive salary, Graphcore offers flexible working, a generous annual leave policy, private medical insurance and health cash plan, a dental plan, pension (matched up to 5%), life assurance and income protection. We have a generous parental leave policy and an employee assistance programme (which includes health, mental wellbeing, and bereavement support). We offer a range of healthy food and snacks at our central Bristol office and have our own barista bar We welcome people of different backgrounds and experiences; we're committed to building an inclusive work environment that makes Graphcore a great home for everyone. We offer an equal opportunity process and understand that there are visible and invisible differences in all of us. We can provide a flexible approach to interview and encourage you to chat to us if you require any reasonable adjustments.

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