Microsoft Server & Azure IaaS Administrator (AD/GPO/IIS)

Remote

Description:

Diversified Systems is searching for a Microsoft Server & Azure IaaS Administrator to 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.

Responsibilities:

• Configure and maintain Windows Server (2016-2025); manage roles/features (AD DS, DNS, DHCP, Client, File Services), patching, performance tuning, and capacity planning.
• 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.
• 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.
• Maintain domain health and replication; manage OU structure, users, groups, GMSAs, service accounts, and delegated permissions; troubleshoot authentication/Kerberos/NTLM issues.
• Use native tools and platforms (Event Viewer, PerfMon, Azure Monitor, Log Analytics) to proactively detect and resolve issues impacting availability, performance, or security.
• Design, implement, and maintain GPOs for security baselines, server configurations, and compliance; perform impact testing and change control.
• Apply CIS/Microsoft security baselines, TLS configurations, vulnerability remediation, endpoint hardening, and log review; partner with security for audits and incident response.
• Build PowerShell scripts/modules to automate routine tasks (provisioning, patching, reporting) and Infrastructure-as-Code deployments.
• Produce and maintain SOPs, diagrams, inventories, and runbooks; follow ITIL change/incident processes; contribute to knowledge base.
• Serve as escalation point for server/web platform issues; coordinate with application owners on deployments, certificates, and integrations.
• Lead or support upgrades, migrations, re-platforming, and cloud adoption initiatives; drive standardization and modernization.
• Provide answers and documentation, and implement changes required as part of IRS audit findings.
  
  

Requirements:

• 7 years of experience administering Windows Server, Active Directory, Group Policy, and IIS in mid-to-large enterprise environments required.
• Group Policy design and troubleshooting (RSOP, GPMC, GPResult) required.
• Windows Server (2016-2025), AD DS, DNS, and restores required.
• IIS configuration, SSL/TLS, bindings, application pools, URL Rewrite/ARR, and 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) certification required.
• Windows Server Hybrid Administrator Associate (AZ-800/AZ-801) certification required.
• Azure Network Engineer (AZ-700) highly desired.
• Experience with MCM/ConfigMgr, WSUS, Defender for Cloud, Sentinel, Splunk/ELK, ServiceNow, or Jira required.
• Solid understanding of TCP/IP, DNS, routing, VPN, firewall rules, load balancing, and private endpoints required.
• Familiarity with .NET application hosting, SSO (SAML/OIDC), App Gateway/WAF, certificate pinning, and mutual TLS required.
• Experience with Bicep/ARM/Terraform, DSC, or Ansible; Azure Policy/Blueprints required.
• Strong documentation, change control, and incident/problem management (ITIL) required.
• Experience with Azure DevOps server-side configurations highly desired.
• Clear communication skills, collaboration skills, organizational skills, and the ability to prioritize across multiple stakeholders and deadlines required.
  
  

About Diversified Systems

Founded in 1990, Diversified Systems is an award-winning Technology Services corporation providing all levels of IT project consulting services nationwide. DSI is headquartered in Columbus, Ohio with regional offices in the American Midwest and East Coast. We offer our consultants a number of flexible and competitive compensation benefit packages.

Diversified Systems is committed to the principles of equal employment. We are committed to complying with all federal, state, and local laws providing equal employment opportunities, and all other employment laws and regulations.

Diversity, Equity and Inclusion

DSI values authenticity and is committed to making sure our employees and partners are valued and respected. At DSI, we believe building a diverse culture is important because we know when people work together, we can achieve better results as a team. DSI realizes that everyone comes from various backgrounds. We celebrate these differences because our employees are our greatest asset as we strive to best meet the needs of those we serve. As part of our ongoing efforts, DSI is focused on advancing equality, diversity, and inclusion by setting high standards to continually evolve our culture. This includes but is not limited to recruiting, community involvement, client delivery, and career development.