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Senior System Administrator

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Job Description

Summary: 

The Wintel Engineer/Administrator/Systems Engineer is responsible for the design, implementation, maintenance, and support of Windows-based server infrastructure and related technologies. This role ensures the stability, security, and optimal performance of IT systems, supporting critical business operations. 

Key Responsibilities: 

  • Server Management: 
  • Install, configure, and maintain Windows Server operating systems (e.g., 2016, 2019, 2022) on physical and virtual hardware (Intel x86/x64 platforms). 
  • Administer and manage server roles and features such as File Services, Print Services, IIS, DNS, DHCP, NPS, PKI, etc. 
  • Perform regular system health checks, performance monitoring, and capacity planning. 
  • Conduct server builds, upgrades, migrations, and decommissioning. 
  • Active Directory Management: 
  • Administer and troubleshoot Active Directory services, including user accounts, group policies (GPOs), authentication protocols, and trust relationships. 
  • Manage DNS and DHCP services within the Active Directory environment. 
  • Implement and maintain Active Directory security best practices. 
  • Virtualization: 
  • Deploy, manage, and troubleshoot virtualization platforms, primarily VMware vSphere (ESXi) and/or Microsoft Hyper-V. 
  • Manage virtual machine (VM) resources, performance, and snapshots. 
  • Implement and maintain virtual networking configurations (e.g., vSwitches, DVS). 
  • Security & Patch Management: 
  • Implement and monitor security measures, including antivirus, anti-malware, firewalls, and intrusion detection systems. 
  • Conduct regular security audits and vulnerability assessments. 
  • Perform timely patching and updates of Windows servers and applications using tools like WSUS or SCCM. 
  • Ensure compliance with organizational security policies and industry regulations. 
  • Backup & Disaster Recovery: 
  • Design, implement, and manage data backup and recovery solutions (e.g., Windows Server Backup, Veeam, Commvault, NetBackup). 
  • Develop and regularly test disaster recovery (DR) plans to ensure data integrity and availability. 
  • Automation & Scripting: 
  • Develop and implement automation scripts using PowerShell to streamline routine administrative tasks, configurations, and deployments. 
  • Identify opportunities for automation to enhance efficiency and reduce manual effort. 
  • Troubleshooting & Support: 
  • Provide Tier 2/3 technical support for complex issues related to Windows servers, applications, and infrastructure. 
  • Investigate and troubleshoot hardware, software, operating system, network, and storage-related issues. 
  • Participate in on-call rotations for 24/7 support as required. 
  • Perform root cause analysis for incidents and outages. 

Required Skills and Qualifications: 

  • Education: 
  • Bachelor's degree in Computer Science, Information Technology, or a related field (or equivalent practical experience). 
  • Technical Skills: 
  • In-depth knowledge and hands-on experience with various versions of Microsoft Windows Server (2016, 2019, 2022). 
  • Strong expertise in Active Directory, Group Policy, DNS, and DHCP. 
  • Proficiency in virtualization technologies (VMware vSphere/ESXi, Microsoft Hyper-V). 
  • Solid understanding of networking concepts (TCP/IP, VLANs, routing, firewalls, VPNs). 
  • Experience with storage solutions (SAN/NAS) and backup/recovery strategies. 
  • Strong scripting skills, particularly with PowerShell. 
  • Familiarity with patch management and vulnerability remediation processes. 
  • Experience with monitoring tools (e.g., SCOM, SolarWinds). 
  • Knowledge of cloud platforms like Microsoft Azure or AWS is increasingly beneficial. 
  • Soft Skills: 
  • Excellent problem-solving and analytical skills. 
  • Strong communication (written and verbal) and interpersonal skills. 
  • Ability to work independently and as part of a team. 
  • Attention to detail and a thorough approach to tasks. 
  • Strong time management and organizational skills. 
  • Ability to work under pressure and prioritize multiple tasks. 
  • Commitment to continuous learning and staying updated with new technologies. 
  • Certifications (Highly Valued): 
  • Microsoft Certified Solutions Expert (MCSE) / Microsoft Certified: Windows Server Hybrid Administrator Associate 
  • VMware Certified Professional – Data Center Virtualization (VCP-DCV) 
  • ITIL v3/v4 Foundation (for understanding IT service management processes) 

Experience: 

  • Typically 3+ years of experience in Wintel administration or a similar role, with senior roles requiring 5+ or 8+ years of experience and potentially leadership responsibilities. 

This comprehensive outline should provide a good basis for understanding and creating Wintel job descriptions. Remember to tailor specific duties and requirements based on the seniority of the role and the specific needs of the organization. 

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Job ID: 147547155

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