[Hiring] System Administrator, Windows and VMWare @Pythian

Role Description

The applicant must have a strong understanding of system administration with an excellent track record in troubleshooting and diagnostics. The ideal candidate will be responsible for administering, maintaining, securing, and optimizing our clients' Windows server environments and VMware infrastructure. This role requires a strong technical foundation, excellent problem-solving skills, and the ability to ensure the stability, security, and performance of critical systems while providing effective technical support.

What you will be doing:

• Administer and maintain Windows Server environments (primarily Windows Server 2016, 2019 and later), including installation, configuration, patching, and performance tuning.
• Manage and support core Microsoft services, including Active Directory Domain Services (AD DS), Group Policy Objects (GPOs), DNS, NTP and DHCP.
• Manage and support VMware infrastructure, including vSphere, vCenter Server, ESXi hosts, VMware HA, and DRS configurations.
• Support and maintain virtual and physical server infrastructure within data centre hosting environments.
• Perform monthly patching across multiple servers and ESXi hosts using centralized patch management tools and processes.
• Implement and maintain security best practices to protect systems and data; support vulnerability management processes.
• Provide technical support to clients, effectively troubleshooting and resolving issues related to Windows and VMware environments.
• Provide Problem Management support, including Root Cause Analysis (RCA) for client-impacting incidents and resolving complex underlying issues.
• Collaborate with team members on infrastructure planning, upgrades, migrations, and changes.
• Assist with server decommissioning and migration activities as required.
• Maintain clear and accurate documentation for system configurations, procedures, and troubleshooting guides.
• Coordinate effectively with vendors for technical support and procurement.
• Strong demonstrated work ethic with clear focus on customer success.
• Participate in an on-call rotation in an escalation capacity.

Qualifications

• 8 to 10 years of overall experience in IT infrastructure administration, with at least 5+ years of hands-on experience in both Windows Server and VMware administration.
• Strong experience in Windows Server administration (Windows Server 2016, 2019 and later).
• Proficiency in VMware virtualization technologies (VMware vSphere, vCenter Server, ESXi, Update Manager, HA, DRS).
• Experience managing VMware datastores and familiarity with underlying storage concepts (e.g., SAN, NAS, iSCSI, NFS).
• Experience in PowerShell scripting for task automation and system administration.
• Understanding of core networking concepts (TCP/IP, DNS, DHCP, VLANs, Firewall basics).
• Participate in an on-call rotation to provide 24/7 support for critical systems.
• Proven experience supporting infrastructure within data centre hosting environments.
• Strong troubleshooting methodology and problem-solving skills.
• Excellent communication (verbal and written) and customer service skills.
• Ability to work independently as an Individual Contributor and manage tasks effectively.
• Relevant certifications (e.g., VCP-DCV, Microsoft Certified: Azure Administrator Associate or similar) are a plus.

Benefits

• Competitive total rewards package.
• Flexibly work remotely from your home, there’s no daily travel requirement to an office!
• Collaborate with some of the best and brightest in the industry!
• Hone your skills or learn new ones with our substantial training allowance; participate in professional development days, attend training, become certified, whatever you like!
• We give you all the equipment you need to work from home including a laptop with your choice of OS, and an annual budget to personalize your work environment!
• You will have an annual wellness budget to make yourself a priority (use it on gym memberships, massages, fitness and more).
• Generous amount of paid vacation and sick days, as well as a day off to volunteer for your favorite charity.