The Systems Administrator is responsible for the design, implementation, maintenance, security, and optimization of on-premises and cloud-based infrastructure. This role manages servers, networks, Microsoft Azure services, cybersecurity controls, identity management, and business-critical systems to ensure high availability, performance, and scalability. The administrator serves as a technical lead for infrastructure initiatives and supports the organization's operational and strategic technology objectives.
Key Responsibilities- Administer and maintain Windows Server environments, including Active Directory, DNS, DHCP, Group Policy, and file services.
- Manage Microsoft Azure infrastructure, including Azure Virtual Machines, Virtual Networks, Storage Accounts, Azure AD (Microsoft Entra ID), and Azure Site Replication.
- Design, configure, and support wired and wireless network infrastructure, including switches, routers, firewalls, and VPN solutions.
- Monitor infrastructure performance, availability, capacity, and security using enterprise monitoring tools.
- Implement and maintain cybersecurity controls, including endpoint protection, vulnerability management, MFA, conditional access policies, and security baselines.
- Manage Microsoft 365 services, including Exchange Online, Teams, and SharePoint Online.
- Administer identity and access management solutions, including user provisioning, RBAC, SSO, and privileged access management.
- Configure and maintain backup and disaster recovery solutions for both on-premises and cloud systems.
- Plan and execute infrastructure upgrades, migrations, and cloud transformation initiatives.
- Troubleshoot and resolve complex server, network, cloud, and connectivity issues.
- Develop and maintain infrastructure documentation, network diagrams, operating procedures, and disaster recovery plans.
- Perform security assessments, patch management, and operating system maintenance.
- Support compliance requirements, audits, and regulatory security standards.
- Collaborate with vendors, service providers, and internal stakeholders to support business objectives.
- Automate routine administrative tasks using PowerShell, Azure Automation, scripting, and infrastructure-as-code methodologies.
- Participate in incident response, root cause analysis, and post-incident remediation activities.
- Provide Tier III infrastructure support and technical leadership to IT support teams.
Required SkillsSystems Administration- Windows Server Administration (2016, 2019, 2022)
- Active Directory Design and Administration
- Group Policy Management
- DNS, DHCP, and PKI
- PowerShell Scripting
- Microsoft 365 Administration
- Exchange Online Administration
- Virtualization
- Storage Management (SAN/NAS)
- Windows and Linux Server Management
Network Administration- TCP/IP Networking
- VLAN Configuration and Management
- Routing and Switching
- Network Security Architecture
- VPN Technologies
- Wireless Network Management
- Firewall Administration (Fortinet, Aruba)
- Network Monitoring and Performance Analysis
- Network Troubleshooting and Diagnostics
Azure Administration- Microsoft Azure Infrastructure Services
- Azure Virtual Machines
- Azure Networking
- Microsoft Entra ID (Azure AD)
- Azure Storage Solutions
- Azure Backup and Site Recovery
- Azure Policy and Governance
Security & Compliance- Multi-Factor Authentication (MFA)
- Conditional Access Policies
- Endpoint Security Management
- Vulnerability Management
- Identity and Access Management (IAM)
- Security Incident Response
- Risk Assessment and Remediation
- Security Best Practices and Frameworks
- Compliance and Audit Support
Automation & Tools- PowerShell
- Azure CLI
- CMD
- ITSM Management
- Automation Runbooks
- Monitoring and Alerting Platforms
Soft Skills- Technical Leadership
- Project Management
- Problem Solving and Root Cause Analysis
- Documentation and Technical Writing
- Customer Service Orientation
- Cross-Functional Collaboration
- Communication and Presentation Skills
Preferred Qualifications- Bachelor's degree in Information Technology, Computer Science, or related field, or equivalent experience.
- 5+ years of experience administering enterprise infrastructure environments.
- Experience supporting hybrid cloud environments.
- Experience managing Microsoft 365 and Azure environments.
Preferred Certifications- Microsoft Certified: Azure Administrator Associate (AZ-104)
- Microsoft Certified: Azure Solutions Architect Expert
- Cisco CCNA or CCNP
- CompTIA Network+
- CompTIA Security+
- Microsoft Certified: Identity and Access Administrator Associate (SC-300)
- Microsoft Certified: Security Operations Analyst Associate (SC-200)
Physical and Technical Requirements- Ability to participate in after-hours maintenance windows and on-call support rotations.
- Ability to respond to critical infrastructure incidents outside standard business hours.
- Occasional lifting and installation of networking and server equipment up to 50 pounds.
- This is an on-site position.
** Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities, and activities may change at any time with or without notice **
