WHAT DOES AN INFRASTRUCTURE ADMINISTRATOR DO?

Published: Sep 03, 2025 - The Infrastructure Administrator maintains and supports the IT infrastructure of a manufacturing company, ensuring stable operations for both office users and production systems. This role involves managing virtualized server environments, network infrastructure (including routing, VLANs, and VPNs), centralized wireless solutions, and firewall security policies. The administrator also handles IT administrative tasks, collaborates with international teams, and works closely with local maintenance to support the production environment.

A Review of Professional Skills and Functions for Infrastructure Administrator

1. Infrastructure Administrator Details

  • System Health Monitoring: Monitor health of systems (includes, but is not limited to, VMware ESX, Windows, etc.).
  • Error Diagnosis: Diagnose and fix hardware and software errors, including but not limited to Active Directory, Exchange, DNS/DHCP, Storage, Citrix, Azure, Office 365, etc.
  • Firmware Updates: Install firmware and other updates to system devices or equipment.
  • Server Updates: Install OS level and software updates to servers.
  • Server Restart Management: Responsible for restarting servers.
  • Backup System Administration: Responsible for managing backup systems.
  • After-hours Support: Participate in on-call rotation for after-hours break-fix, and as an escalation point for Desktop Support or other Infrastructure Engineers/Admins.
  • Solution Research: Research possible hardware and software solutions based on business requirements.
  • Server Deployment: Deploy new servers in Azure and/or virtual appliances in a VMware vSphere or Hyper-V environment.
  • System Migration: Participate in migration/integration processes with regard to DNS/Email migrations for acquisitions.
  • Peer Review: Peer review of systems/network designs, changes, or configurations.
  • Ticket Management: Work on tickets and ticket escalations related to server/network issues.

2. Infrastructure Administrator Duties

  • Imaging Environment Support: Support a highly complex and interconnected Imaging environment, critical to the UCSF Medical Center and the UCSF School of Medicine.
  • Professional Development: Promote growth and development of skills to meet the ever-changing needs of the Department and the Enterprise.
  • Technical Solution Delivery: Design, evaluate, implement and deliver technical solutions that meet the Department and Institution’s IT Imaging needs.
  • Infrastructure Application: Apply advanced systems infrastructure concepts and campus, medical center, or Office of the President or Institutional objectives.
  • Complex Issue Resolution: Resolve highly complex issues where analysis of situations or data requires an in-depth evaluation of variable factors.
  • Evaluation Methodology: Select methods, techniques and evaluation criteria to obtain results.
  • Technical Presentations: Give presentations to the associated team and other technical units.
  • Technology Evaluation: Evaluate new technologies, including performing moderate to complex cost/benefit analyses.
  • System Architecture Design: Design and architect complex systems that meet the requirements set by Imaging IT leadership and/or the Director of Infrastructure.

3. Infrastructure Systems Administrator Roles and Details

  • Imaging System Oversight: Responsible for PACS, UC-Wide Vendor Neutral Archive (VNA) and Enterprise Image Viewer environments.
  • Resource Research: Research computing resources within the Department of Radiology and Biomedical Imaging.
  • Project Management: Manage projects that may include multiple team members and others outside of the Infrastructure group.
  • IT Documentation Training: Responsible for documenting and training other IT members on operations and maintenance procedures for systems and solutions.
  • Operational Duties: Participate in the day-to-day operational duties for complex server, storage, network and virtualization infrastructures.
  • Technical Support Leadership: Serve in a high-level troubleshooting role in support of other Department IT staff, and monitor mission-critical systems.
  • Security Policy Development: Advise and set IT security policies for the Department based on Campus and Medical Center best practices.
  • Critical Issue Response: Responsible for occasional off-hours support and response to critical issues that may impact patient care.

4. Infrastructure Systems Administrator Duties and Roles

  • Cloud Infrastructure Support: Assist in the support of Microsoft O365 and Azure infrastructure technology solutions with business strategies, promoting adoption, implementation, support and configuration of various Microsoft cloud-based products.
  • Technology Monitoring: Monitor emerging O365 technologies and features for opportunities to advance Regal’s O365 adoption and strategies.
  • O365 Administration: Provide support and assistance in the administration of all supported O365 tools.
  • Team Guidance: Provide guidance to others within the Infrastructure team.
  • Project Escalation Support: Serve as an escalation point to assist with clearing roadblocks and driving projects with O365 components to completion.
  • Security Configuration: Maintain a highly secure Office 365 system through proper configuration and system access monitoring.
  • E-discovery Reporting: Responsible for running E-discovery reports.
  • Cybersecurity Participation: Participate in the Cybersecurity Team, which is responsible for monitoring security and responding to security incidents.
  • Collaboration Tool Management: Lead eMail (Exchange and Outlook), SharePoint, and Teams tasks.
  • O365 Adoption Support: Assist in driving the adoption of 365 services within the business.
  • Stakeholder Relationship Management: Build and manage synergistic relationships with relevant business partners.

5. Infrastructure Administrator Roles and Responsibilities

  • Network Infrastructure Management: Maintain the IT network infrastructure and provide day-to-day monitoring, troubleshooting, and maintenance of all network devices.
  • Project Management: Develop and manage projects to enhance and expand the network, including cost analysis, detailed design, project planning, implementation, detailed documentation and cross-training of peers.
  • LAN/WAN Topology Understanding: Understand LAN/WAN design and topology.
  • Network System Evaluation: Test and evaluate network systems to eliminate problems and make improvements.
  • Packet Analysis: Understand using packet/protocol analyzers to find and remedy application and network performance issues.
  • Windows Server Administration: Understand Windows Server roles and services, including DNS, DHCP, and Active Directory.
  • Server Management: Install, support and manage servers and resolve issues.
  • Cisco Device Support: Support, upgrade, and maintain Cisco routers, firewalls, and IDS devices in the IT infrastructure.
  • Wireless Network Support: Support wireless networks, access points, and wireless encryption methods.

6. Infrastructure Administrator Responsibilities and Key Tasks

  • Customer Service Support: Support, promote, and demonstrate superior customer service in accordance with department and company standards and programs.
  • System Maintenance: Install patches and perform system backups and recovery.
  • System Monitoring: Monitor system configuration, storage arrays, backups and maintain data files.
  • Technical Assistance: Provide technical support and guidance to users.
  • Regulatory Compliance: Responsible for ensuring compliance with all regulatory requirements within the area of responsibility and reporting potential issues to management.
  • Windows Server Management: Manage Windows-based server environments, patching, upgrading and troubleshooting.
  • VMware Support: Support and deploy VMware environments.
  • Active Directory Administration: Manage Windows Active Directory, including GPO, group creation, etc.

7. IT Infrastructure Administrator Roles and Details

  • Customer Service Excellence: Provide outstanding customer service.
  • IT Equipment Management: Manage/support of all computer and network equipment in the NSM and NLCM infrastructure and store operations.
  • Best Practices Implementation: Develop, implement, and maintain best practices for computing and networking in the IT Infrastructure and stores, consistent with IT and Support Desk policies and store operations business requirements.
  • On-call Troubleshooting: Occasionally provides 24x7 on-call troubleshooting and problem resolution.
  • Technical Support Levels: Provide 1st-level and 2nd-level support.
  • IT Escalation Handling: Act as a single point of contact for IT Infrastructure and escalations from IT Support.
  • Vendor Coordination: Interface with IT vendors when issues cannot be resolved internally by the Support Desk.
  • Performance Monitoring: Monitor performance and make appropriate tuning changes.
  • Deployment Compliance: Utilize approved procedures to ensure that hardware and software are deployed, implemented and supported per business requirements and aligned to company standards/policies.
  • Infrastructure Documentation: Document the overall status of the IT Infrastructure, including Asset Management/Tracking.

8. IT Infrastructure Administrator General Responsibilities

  • Change Control Compliance: Align to Corporate Change Control Board and Vendor/Supplier requirements.
  • IT Project Participation: Participate in IT projects to test, pilot and/or implement new hardware and software in support of IT Infrastructure or Store activity requirements.
  • Policy Monitoring: Monitor and report system and network policies related to non-compliance to the Infrastructure Manager or according to the Incident Response Plan.
  • Equipment Usage: Use the following tools and equipment when working in stores or off-site, including baler, hand truck, POS, industrial kitchen equipment (i.e., blast chiller, grill, knives/blades, oven, grills, scales, etc.) and basic housekeeping/janitorial items.
  • Physical Work Level: Work consistently at a light work level and may be asked to work on occasion at a medium or heavy work level when supporting stores or other offsite events.
  • Mobility Requirements: Frequently required to sit, walk, reach and grasp.
  • Standing Requirements: Occasionally required to be on feet with a mix of standing and walking throughout shift.
  • Climbing Requirements: Up to occasionally, dependent on location, required to climb stairs, step stool and/or ladders.

9. Infrastructure Administrator Role Purpose

  • Network Platform Administration: Work with networking platforms such as Cisco IOS, Meraki, Arista EOS, and Juniper Junos OS using protocols such as VXLAN, BGP, OSPF, HSRP, DHCP, DNS, MLAG/PortChannel and VLANs.
  • Firewall Management: Manage firewalls, including VPNs, policy management, load balancing and policy-based routing.
  • Azure Network Operations: Azure cloud networking, including app gateways, CDNs, DNS, Firewalls, Load Balancers, Traffic Managers, NSGs, VNets, VPNs and Virtual WAN.
  • Windows Server Administration: Manage and administer Windows Servers 2012R2–2019, including AD DS, Group Policy, Exchange, Failover Clustering, RDS, DHCP, DNS, Hyper-V, IIS, SQL, DFS, and WSUS.
  • Linux Server Management: Manage Linux servers primarily CentOS for Nginx and Apache.
  • Hypervisor Administration: Configure and administer hypervisors, Hyper-V and VMware for both hosts and guests.
  • Storage Support: Support storage solutions such as Pure and NetApps.
  • Backup Management: Backup solutions such as Commvault.
  • SaaS Support: Support SaaS solutions such as Office 365, SIEMs and managed AV.
  • Azure Resource Deployment: Deploy and administer Azure IaaS and PaaS resources, including VMs, WVD, Disaster Recovery, Storage, Web Apps, Logic Apps, Functions Apps, SQL and Cosmos.
  • Incident Escalation Handling: Operate as an escalation point to the NOC, assisting them with the troubleshooting and resolution of incidents.
  • Priority Ticket Management: Work on high-priority and escalated tickets, adhering to SLAs following ITIL best practices around incident and problem management.
  • Change Management Execution: Perform service requests adhering to change management procedures.

10. Infrastructure Administrator Essential Functions

  • Documentation Development: Develop, maintain, and train on documentation for standard operating procedures, best practices, and customer-specific runbooks.
  • Customer Engagement: Participate in scoping calls with customers for new service orders.
  • Datacenter Lifecycle Management: Responsible for regularly required maintenance and projects associated with the life cycle management of the datacenters.
  • Monitoring Configuration: Responsible for the configuration of monitoring and alerting on physical and virtual infrastructure components.
  • Infrastructure Management: Responsible for the deployment, configuration, management, maintenance, patching, upgrades, replacements, and decommissions of both physical and virtual components that manage for customers, in addition to Atmosera’s own management stack.
  • Project Participation: Participate in both customer-facing and internal projects – using agile and waterfall methods.
  • Quality Assurance Checks: Perform quality assurance checks on all newly migrated or greenfield environments in both public and private cloud estates.
  • Cross-team Collaboration: Interface with other departments to provide customer feedback to ensure customer success.
  • Compliance Adherence: Adhere to compliance requirements, including but not limited to PCI-DSS, HIPAA/HITECH, IRS 1075, SOC 1 and SOC 2, Type II, in conjunction with Atmosera’s internal info sec best practices.
  • Escalation Support: Participate in an on-call rotation for escalated support to ensure SLAs are met.

11. Infrastructure Administrator Overview

  • Vulnerability Management: Manage the Vulnerability and Threat Management program.
  • Security Scanning: Perform scans and categorize and document findings.
  • Risk Mitigation: Ensure that vulnerabilities are minimized and eliminated.
  • Policy Review: Routinely review information security-related policies, standards, procedures, and wikis to ensure accuracy and current approvals.
  • Documentation Improvement: Document reviews and recommend changes and improvements.
  • Security Implementation: Champion the roll-out of the security enhancements and fixes.
  • Baseline Establishment: Establish a baseline and work with the technology, business operations and product teams.
  • Enhancement Deployment: Prioritize, schedule and deploy security enhancements and fixes.

12. Infrastructure Administrator Details and Accountabilities

  • Progress Communication: Document and communicate progress and status through tickets, meetings, PKIs, and reports.
  • Policy Documentation: Update policy and documentation to reflect the new state.
  • Disaster Recovery Coordination: Coordinate the production Disaster Recovery Program.
  • Test Management: Ensure tests are scheduled, performed, and documented.
  • Business Impact Analysis: Responsible for performing BIA annually.
  • Program Advocacy: Champion the program and keep the program relevant and visible.
  • ISO Compliance: Continue to comply with the ISO requirements.
  • Audit Representation: Represent the BCP program to auditors.

13. Infrastructure Administrator Job Description

  • Infrastructure Maintenance: Maintain the IT infrastructure in a manufacturing company.
  • User Support: Support office users both onsite and remotely.
  • Server Virtualization Management: Manage virtualized server environment.
  • Network Administration: Manage network infrastructure, including routing, VLANs, and VPN.
  • Firewall Security Management: Manage security through firewall policies.
  • Wireless Infrastructure Management: Manage centralized wireless solutions.
  • IT Administration: Responsible for IT-related administrative tasks.
  • International Team Collaboration: Cooperate with multiple international teams throughout the global corporation.
  • Production Environment Support: Cooperate with the local maintenance department in supporting the production environment.

14. Cloud Infrastructure Administrator Functions

  • Cloud Infrastructure Support: Implement, administer, monitor, maintain and support cloud infrastructure, including Databases, VPN, Virtual Appliances, and Servers.
  • Cloud Integration: Play a key role in the integration of cloud services with traditional IT infrastructure.
  • Business Collaboration: Collaborate with IT leadership and the business to gather, understand, and implement business requirements.
  • Cloud Security Implementation: Implement Microsoft 365 cloud security offerings such as Advanced Threat Protection, Identity Right Management, Data Loss Prevention, etc.
  • Procedure Development: Assist in developing company-wide operating procedures as they relate to cloud infrastructure.
  • Emergency Support: Provide emergency support during weekends and off-hours (should be minimal).
  • Project Execution: Deliver on projects with minimal direction at times.
  • Regional Cloud Support: In charge of providing support to Bosch's Cloud with a focus on Germany's infrastructure.
  • Infrastructure Reporting: Report directly to the Infrastructure Manager as part of the IT Department.

15. Infrastructure Administrator Accountabilities

  • IT Operations Ownership: Own all IT administration and operational activities.
  • Network Infrastructure Oversight: Oversee corporate network infrastructure, including regional offices.
  • Dynamics 365 Collaboration: Work with the Dynamics 365 developer and support engineer on support needs.
  • Issue Escalation: Escalation point on complex issues.
  • Policy Development: Develop and maintain IT policies and procedures.
  • Infrastructure Improvement: Help to build, maintain, monitor, and improve Benco’s global infrastructure, including Voice, Data, and Server Infrastructure.
  • Security Policy Enforcement: Assist in creating and enforcing IT Security and Acceptable Use policies.
  • Advanced Technology Engagement: Join an amazing team and work with some of the most cutting-edge technology likely to be encountered in this area, including Hyper-Converged and Unified Computing infrastructure, Software-Defined WANs, and Unified Threat Management solutions.

16. Infrastructure Administrator Job Description

  • API Automation: Develop automations leveraging system APIs for rapid deployment of resources used by Unit 42 Consulting to respond to customer needs.
  • CI/CD Management: Manage Unit42 Consulting CI/CD platform, Linux infrastructure, and container environment.
  • SRE Operations: Work with other SREs in deploying and maintaining the automation framework, capacity planning, and creating/reviewing operational runbooks.
  • Hybrid Cloud Support: Provision, configure and support a resilient hybrid on-prem cloud deployment architecture using the automation framework.
  • Server Configuration: Ensure steady state configuration of Unit42 Consulting data center servers.
  • Security Auditing: Audit the security of the Unit42 Consulting data center ecosystem.
  • System Documentation: Contribute to documentation related to design, deployment, validation and operations.
  • Network Administration: Adhere to company policies and procedures to administer the operation of all local area networks/wide area network-related services.
  • Network Security: Administer LAN/WAN security, antivirus and spam control measures.
  • Network Upgrades: Organize and execute upgrades to network software and hardware.
  • Network Troubleshooting: Analyze and fix local area networks/wide area network performance, connectivity and related network issues.

17. Infrastructure Administrator Duties

  • AD Troubleshooting: Identify, troubleshoot and resolve typical issues found in Active Directory Domain environments.
  • System Maintenance: Responsible for day-to-day maintenance, including backup verification, patching deployment and scheduling, data-center UPS maintenance, hardware replacement and upgrade, and software and hardware warranty monitoring.
  • IT Support Collaboration: Work closely with the IT team to provide end-user support and issue resolution as an escalation from the Service Desk.
  • System Administration: Fulfill general system administration.
  • Process Documentation: Create and maintain documentation for processes and procedures.
  • On-call Support: Participate in an on-call after-hours rotation for user support.
  • Backup Management: Manage different backup configurations such as physical servers, applications, databases, on-premises, or cloud.
  • Backup Optimization: Analyze the existing backup environment to provide expert advice for optimization.
  • Backup Understanding: Understand the functionalities of key backup components and processes.
  • Knowledge Sharing: Effectively communicating knowledge to colleagues and key stakeholders.
  • Vendor Coordination: Respond and evaluate vendor recommendations to upgrade the existing platform.

18. Infrastructure Administrator Overview

  • macOS Support: Set up and support macOS systems and software products.
  • Account Management: Manage and support onboarding and offboarding of employee accounts and access.
  • User Ticket Handling: Address user tickets regarding hardware, software and questions.
  • Asset Management: Manage local asset lifecycle process and ordering.
  • Remote Support: Remote support of endpoints and user issues globally.
  • Customer Communication: Communicate with customers the status of tickets and problems.
  • Hardware Recommendations: Make recommendations for future hardware and software additions or enhancements.
  • Cloud Availability: Maintain the availability of the cloud infrastructure through regular checks and responding to alerts using tools, including vRealize Ops.
  • Documentation Development: Support and development of quality documentation to reduce the volume of support calls.
  • Service Fulfillment: Fulfill service requests responsively for cloud users.
  • Change Management: Carry out changes and maintenance following ITIL best practices.
  • Performance Reporting: Report on performance and capacity.
Relevant Information
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