System Administrator

Kokosing; Fredericktown (MO); Hybrid; USD 70,000 - 100,000; Full time

Job summary

Kokosing is seeking an experienced Systems Administrator to optimize a hybrid IT environment with a focus on Microsoft Azure Cloud Infrastructure and Microsoft 365 tenant administration. The role covers identity management, endpoint services, collaboration platforms, and security controls across Microsoft technologies.

The ideal candidate will manage Azure services, Entra ID/AAD, M365 environments, and hybrid AD integration, while implementing automation and enterprise security best practices to

Qualifications

• 3+ years of systems administration experience in enterprise IT.
• 3+ years administering Microsoft 365 environments.
• 3+ years supporting Microsoft Azure cloud services.
• Strong knowledge of hybrid identity architectures and governance.

Responsibilities

• Administer Azure infrastructure, VMs, networking, storage, and cost optimization.
• Manage Microsoft 365 tenants including Exchange Online, SharePoint Online, Teams, and Entra ID.
• Configure security controls, MFA, Conditional Access, and Defender protections.
• Support hybrid Active Directory and Entra ID environments; enable SSO and PIM.
• Develop PowerShell automation; monitor health and incidents; maintain docs.

Skills

3+ years systems administration

3+ years Microsoft 365 administration

3+ years Microsoft Azure

Hybrid identity architecture

MFA & Conditional Access

Tenant governance & licensing

Tools

Microsoft Entra ID

Azure AD

Exchange Online

SharePoint Online

Teams Administration

Intune / Endpoint Management

PowerShell

Azure Virtual Desktop

Microsoft Defender

Entra Connect / Azure AD Connect

Job description

Kokosing (www.kokosing.biz) is one of America's 50 largest General Contractors and services a broad spectrum of clients in both the private and public business sectors. Kokosing's services include heavy civil/industrial construction such as highways, bridges, underground utilities, water/wastewater facilities, and marine construction. For over 75 years, Kokosing has successfully attracted the most qualified technical personnel in the construction industry by offering visible challenges, superior quality, and attractive rewards. With over $2.8 billion in annual sales and a commitment to its workforce, Kokosing is the winning team.

Job Description:

We are seeking an experienced Systems Administrator with strong expertise in Microsoft Azure Cloud Infrastructure and Microsoft 365 tenant administration to support and optimize a hybrid enterprise IT environment. This role is responsible for administering cloud infrastructure, identity and access management, endpoint services, collaboration platforms, and security/compliance controls across Microsoft technologies.

The ideal candidate will have hands-on experience managing Azure services, Microsoft 365 environments, hybrid Active Directory integrations, automation, and enterprise security best practices.

Key Responsibilities

Azure Cloud Administration

• Administer and support Microsoft Azure infrastructure and services
• Manage Azure Virtual Machines, networking, firewall, storage accounts, and resource groups
• Configure and maintain Azure Virtual Desktop (AVD) environments
• Monitor Azure resource utilization, performance, and cost optimization
• Support Azure backup, disaster recovery, and high availability solutions
• Implement and maintain Azure security controls and Conditional Access policies

Microsoft 365 Administration

• Administer Microsoft 365 tenants, including:
  • Exchange Online
  • SharePoint Online
  • Microsoft Teams
  • OneDrive for Business
  • Microsoft Entra ID
  • Intune
• Manage user provisioning, licensing, and role-based access controls
• Configure Microsoft Defender and Purview security/compliance features
• Support Teams voice, meeting, and collaboration services
• Troubleshoot mail flow, authentication, and tenant-related issues

Identity & Hybrid Infrastructure

• Support hybrid Active Directory and Entra ID environments
• Maintain synchronization using Entra Connect / Azure AD Connect
• Administer Group Policy Objects (GPOs)
• Support Single Sign-On (SSO), MFA, and Conditional Access
• Assist with Privileged Identity Management (PIM) and Zero Trust initiatives

Automation & Operations

• Develop and maintain PowerShell automation scripts
• Monitor system health, alerts, and operational metrics
• Support patch management and vulnerability remediation
• Participate in incident response and root cause analysis
• Create and maintain technical documentation and knowledge articles

Required Qualifications

• 3+ years of systems administration experience
• 3+ years administering Microsoft 365 environments
• 3+ years supporting Microsoft Azure cloud services
• Experience with:
  • Microsoft Entra ID
  • Exchange Online
  • SharePoint Online
  • Teams Administration
  • Azure Virtual Desktop
  • Intune / Endpoint Management
  • PowerShell scripting
• Strong understanding of hybrid identity architecture
• Experience implementing MFA and Conditional Access
• Knowledge of Microsoft licensing and tenant governance

Preferred Qualifications

• Microsoft certifications preferred:
  • Microsoft Certified: Azure Administrator Associate
  • Microsoft 365 Enterprise Administrator Expert
  • Microsoft Certified: Identity and Access Administrator
• Experience with:
  • Microsoft Purview
  • Microsoft Sentinel
  • Windows Defender
  • Windows LAPS
  • ServiceNow
  • SCCM / Intune co-management
  • CMMC / NIST 800-171 environments
• Experience supporting enterprise environments with 1,000+ users

Technical Skills

• Microsoft Azure
• Microsoft 365 Administration
• Entra ID / Azure AD
• PowerShell
• Windows Server
• Active Directory
• DNS / DHCP
• VMware or Hyper-V
• Intune / Endpoint Management
• Microsoft Defender

Networking fundamentals

Kokosing is an equal employment opportunity/affirmative action federal and state contractor. The company does not discriminate on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, veteran status, or any other protected class.