Senior System Administrator

About the role

An urgent requirement has arisen for a Senior System Administrator with at least 5 years of experience. The role covers design of automation scripts, 7x24 support for mission-critical systems, performance tuning, planning of software upgrades and capacity, and support for IT equipment purchases.

Key responsibilities

• Design and create PowerShell scripts for daily operations and routine jobs.
• Troubleshoot production issues, provide expedited resolution and 7x24 support for mission-critical systems.
• Monitor and tune performance.
• Plan long-term software upgrades and prepare annual capacity plans.
• Establish and maintain policies and procedures, and keep infrastructure documentation up to date.
• Prepare and enforce information security management system documentation.
• Prepare tender documentation such as solution descriptions, high- and low-level designs and technical BoQs.
• Support IT issues not handled by EUSS (infrastructure and software-related).
• Support the purchase and maintenance of IT equipment and services, recommending hardware and software solutions.

Required profile

• BSc degree in Computer Science, Computer Engineering or a similar discipline.
• Minimum 5 years of experience.
• Strong administration experience on Windows Server 2012/2016 (forest, domain trust, AD, DNS, DHCP, Group Policy, IP filters).
• Expert knowledge of Active Directory, LDAP, PKI, certificate services and AD site topology in a multi-site, multi-domain environment.
• Experience with clustering and load balancing, and with IIS 6, 7 and 8.
• Good communication, documentation and customer service skills, and a positive, committed team player.
• ITIL knowledge for change and configuration management is a plus.

Required skills

• Hyper-V, Failover Cluster, Certification Authority, File Server, Print Server, RDS, WSUS, KMS, WDS, BitLocker, Windows Deployment Services.
• Deep experience with Microsoft Exchange Server and O365/hybrid environments.
• SCCM, SC Virtual Machine Manager, SC Orchestrator, and patch management via WSUS/SCCM.
• Custom queries and reports via SCCM.
• MCSA: Windows Server certification is mentioned.