> Markdown version of [/jobs/ext/3388317-senior-systems-infrastructure-administrator](https://www.wearedevelopers.com/jobs/ext/3388317-senior-systems-infrastructure-administrator). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Senior Systems & Infrastructure Administrator

- **Company:** The Summit
- **Location:** Lawrenceville, GA, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Health Informatics, CompTIA Network+, CompTIA Security+, System Configuration, Disaster Recovery, Networking Hardware, Internetworking, Virtual Private Networks (VPN), Microsoft Software, Network Diagrams, Network Administration, Wireless Networks, Network Routers, ServiceNow IT Service Management, Firewalls (Computer Science), Os Ticket, Information Technology, SolarWinds (Software), Cisco, User Accounts
- **Published:** September 2, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=6a8b9b3fa2f00d49

## About the Role

* Five or more years of experience in systems administration, network administration, IT infrastructure, or a similar technical role.
 * Strong troubleshooting and problem-solving skills across networks, connectivity, hardware, endpoints, and location equipment.
 * Experience with routers, switches, firewalls, wireless networks, VPNs, and internet connectivity.
 * Experience administering Microsoft 365, Windows environments, user accounts, permissions, and endpoints.
 * Experience configuring and supporting workstations, printers, scanners, phones, and network equipment.
 * Experience using an IT ticketing platform and following issues through resolution.
 * Ability to document technical information, configurations, and procedures accurately.
 * Ability to coordinate technical work with employees, service providers, and contractors.
 * Ability to manage multiple technical issues and priorities simultaneously.
 * Ability to communicate status, risks, and expected completion dates clearly and proactively.
 * Ability to travel to Summit locations as needed.

Preferred Qualifications:

 * Experience supporting a geographically distributed, multi-site organization.
 * Experience supporting infrastructure for new locations or acquired businesses.
 * Healthcare IT experience supporting physician practices, ASCs, or other clinical locations.
 * Familiarity with HIPAA security requirements.
 * Experience with IT asset-management and secure credential-management systems.
 * Relevant Microsoft, Cisco, CompTIA Network+, Security+, or comparable certifications.
 * Bachelor's degree in information technology, computer science, or a related field, or equivalent professional experience.

## Description

Under the general supervision of the IT Director, the Senior Systems & Infrastructure Administrator is a hands-on position focused on technical problem-solving, infrastructure support, ticket resolution, and technology setup for new and acquired locations. The ideal candidate is a practical problem-solver who can work independently, communicate clearly, and follow issues through completion. This in-person position will be based at the Summit administrative building in Lawrenceville, GA, but travel to support our various locations will be required., * Troubleshoot network, connectivity, hardware, and IT system issues across clinic, ASC, and corporate locations.

 * Serve as an escalation resource for technical issues requiring additional experience or onsite support.
 * Coordinate and complete assigned infrastructure work for new and acquired locations, including connectivity, network equipment, workstations, phones, printers, and scanners.
 * Maintain checklists, timelines, and status updates for assigned location openings, equipment deployments, and infrastructure projects.
 * Configure and support routers, switches, firewalls, wireless networks, VPN connections, and internet connectivity.
 * Administer Microsoft 365, Windows environments, user accounts, access permissions, endpoints, and assigned systems.
 * Own assigned, escalated, and aging infrastructure tickets in SolarWinds through resolution.
 * Work with the IT Director and IT team to review infrastructure-related tickets, establish priorities, and follow unresolved issues through completion.
 * Provide clear status updates and expected completion dates for unresolved issues.
 * Work with internet providers, telecommunications providers, contractors, and equipment suppliers when outside support is needed.
 * Identify recurring technical problems and recommend practical corrective actions.
 * Maintain current network diagrams, location infrastructure records, configurations, service-provider contacts, and technical procedures.
 * Ensure critical infrastructure documentation, administrative-access information, provider contacts, and recovery procedures are maintained in approved shared systems.
 * Maintain accurate records of computers, network equipment, phones, printers, scanners, and other IT assets.
 * Assist other IT team members with complex issues and provide day-to-day technical guidance when needed.
 * Participate in cross-training and maintain sufficient documentation so critical locations and infrastructure can be supported by multiple IT team members.
 * Support equipment deployment, software updates, patching, endpoint protection, backups, and recovery procedures.
 * Travel to Summit locations when work cannot be completed remotely.
 * Participate in after-hours support for critical issues when needed.
 * Follow Summit's security policies and applicable HIPAA requirements.