Microsoft Infrastructure Administrator

        Summary

• This Microsoft infrastructure administrator will assist with the management of Windows Server, Active Directory, Group Policy, IIS, and Azure IaaS resources. This role will be responsible for day-to-day operations, security hardening, automation, and high-availability support across on premises and cloud environments. This position will partner closely with network, security, and application teams to ensure reliable service delivery and continuous improvement.

        Key Responsibilities

• Windows Server Administration: Configure and maintain Windows Server (2016–2025); manage roles/features (AD DS, DNS, DHCP, DFS, File Services), patching, performance tuning, and capacity planning.
• IIS Administration: Configure and support IIS websites and applications, including application pools, bindings, SSL/TLS certificates, URL Rewrite/ARR, security hardening, and log analysis; optimize availability and performance.
• Azure IaaS: Manage Azure VMs, VM Scale Sets, disks/storage, Azure Files, VNETs, subnets, NSGs/ASGs, Load Balancer/App Gateway, Bastion; implement backup (Azure Backup), DR (Azure Site Recovery), monitoring/alerts (Azure Monitor), and cost governance.
• Active Directory (AD): Maintain domain health and replication; manage OU structure, users, groups, GMSAs, service accounts, and delegated permissions; troubleshoot authentication/Kerberos/NTLM issues.
• Monitoring & Troubleshooting: Use native tools and platforms (Event Viewer, PerfMon, Azure Monitor, Log Analytics) to proactively detect and resolve issues impacting availability, performance, or security.
• Group Policy (GPO): Design, implement, and maintain GPOs for security baselines, server configurations, and compliance; perform impact testing and change control.
• Security & Compliance: Apply CIS/Microsoft security baselines, TLS configurations, vulnerability remediation, endpoint hardening, and log review; partner with security for audits and incident response.
• Automation & Scripting: Build PowerShell scripts/modules to automate routine tasks (provisioning, patching, reporting) and Infrastructure-as-Code (e.g., Bicep/ARM/Terraform) for repeatable deployments.
• Documentation & Change Management: Produce and maintain SOPs, diagrams, inventories, and runbooks; follow ITIL change/incident processes; contribute to knowledge base.
• Collaboration & Support: Serve as escalation point for server/web platform issues; coordinate with app owners on deployments, certificates, and integration.
• Lifecycle & Projects: Lead or support upgrades, migrations, re-platforming, and cloud adoption initiatives; drive standardization and modernization.
• IRS 1075 Compliance: Provide answers and documentation, and implement changes required as part of IRS audit findings.

        Required Qualifications

• 5–7+ years administering Windows Server, AD, GPO, and IIS in mid to large enterprise environments. Required 7 Years
• Group Policy design and troubleshooting (RSOP, GPMC, GPResult). Required    
• Windows Server (2016–2025), AD DS, DNS, restores Required    
• IIS configuration, SSL/TLS, bindings, app pools, URL Rewrite/ARR, logging Required    
• Azure IaaS (VMs, VNETs, NSGs, Load Balancer/App Gateway, Azure Backup/ASR, Azure Monitor, Log Analytics). Required    
• PowerShell scripting (automation, modules, REST/Graph, CLI). Required    
• Azure Administrator Associate (AZ 104), Windows Server Hybrid Administrator Associate (AZ 800/AZ 801) Required    
• Azure Network Engineer (AZ 700) Nice to have    
• Experience with MCM/ConfigMgr, WSUS, Defender for Cloud, Sentinel, Splunk/ELK, ServiceNow/Jira Required    
• Solid understanding of TCP/IP, DNS, routing, VPN, firewall rules, load balancing, private endpoints. Required    
• Familiarity with .NET application hosting, SSO (SAML/OIDC), App Gateway/WAF, certificate pinning, mutual TLS Required    
• Experience with Bicep/ARM/Terraform, DSC, or Ansible; Azure Policy/Blueprints. Required
• Process & Practices: Strong documentation, change control, and incident/problem management (ITIL).
• Soft Skills: Clear communicator, collaborative, organized, and able to prioritize across multiple stakeholders and deadlines.

        Preferred Qualifications
        Certifications:

• Microsoft Certified: Azure Administrator Associate (AZ?104), Windows Server Hybrid Administrator Associate (AZ?800/AZ?801)
• PlNice to Have: Azure Network Engineer (AZ 700)
• Enterprise Tools: Experience with MCM/ConfigMgr, WSUS, Defender for Cloud, Sentinel, Splunk/ELK, ServiceNow/Jira.
• Networking: Solid understanding of TCP/IP, DNS, routing, VPN, firewall rules, load balancing, private endpoints.
• Web/App Integration: Familiarity with .NET application hosting, SSO (SAML/OIDC), App Gateway/WAF, certificate pinning, mutual TLS.
• Infrastructure-as-Code & Config: Experience with Bicep/ARM/Terraform, DSC, or Ansible; Azure Policy/Blueprints.
• Azure DevOps: Experience with server-side configurations