IT Infrastructure Administrator

ROLE SUMMARY

The Infrastructure Administrator operates under general guidance, focusing on execution and support while escalating complex architecture and design decisions to senior engineers. This role serves as a versatile technical resource supporting enterprise systems across networking, cloud, server, and identity platforms.

The position complements specialized team members by providing broad, cross-functional expertise and operational support, helping balance workload, reduce dependency on subject matter experts, and ensure continuity of operations as infrastructure demand grows.

This role is responsible for implementing, managing, and maintaining both on-premises and cloud infrastructure, ensuring system reliability, performance, and security. The Infrastructure Administrator contributes to enterprise initiatives, supports operational needs across operating companies, and identifies opportunities to leverage automation, scripting, and AI-driven solutions to improve efficiency.

This position collaborates with cross-functional teams, vendors, and stakeholders to deliver scalable solutions that support business growth, operational efficiency, and alignment with organizational strategy.

ESSENTIAL RESPONSIBILITIES

Infrastructure Operations and Support:

• Support and maintain hybrid environments including Microsoft 365, Azure, Active Directory, and on-prem systems
• Administer and troubleshoot networks including switches, firewalls, VPNs, and wireless
• Monitor system performance, availability, and capacity; respond to alerts and outages
• Perform provisioning, configuration, patching, and lifecycle maintenance
• Troubleshoot issues across cloud, network, and server platforms

Cross-Functional Support and Workload Balancing:

• Provide support across multiple infrastructure domains to reduce reliance on specialists
• Assist with shifting team priorities and provide coverage where needed
• Enable operational continuity across infrastructure services

Project Execution and Implementation:

• Participate in projects including site builds, network deployments, upgrades, and cloud initiatives
• Assist with installation, configuration, and testing of infrastructure components
• Coordinate with vendors for circuits, hardware deployment, and issue resolution

Security, Operations, and Continuous Improvement:

• Support patching, vulnerability remediation, and system hardening
• Assist with compliance efforts, audits, and security control implementation
• Contribute to disaster recovery and business continuity processes
• Maintain documentation, configurations, and operational procedures
• Identify automation, standardization, and process improvement opportunities
• Recommend technology enhancements and best practices
• Collaborate with internal teams and third-party vendors across SaaS, PaaS, and IaaS solutions
• Identify risks and proactively escalate or mitigate issues
• Perform other duties as assigned

Collaboration and Additional Responsibilities:

• Promote a culture of safety, compliance, and risk awareness
• Provide mentorship and guidance to junior staff when appropriate

SUCCESS METRICS

• Improved efficiency and timeliness of infrastructure support and issue resolution
• Increased cross-team coverage across infrastructure domains
• Improved system uptime and incident response effectiveness
• Reduced dependency on individual subject matter experts