Sr. Systems Administrator
Listed on 2026-09-22
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IT/Tech
Systems Administrator, Windows Server, IT Infrastructure, Network Administrator
Core Technology Solutions is partnering with a longstanding client to identify an experienced Senior IT Systems Administrator for a key addition to its technology team.
This is an excellent opportunity for a well-rounded infrastructure professional who enjoys being hands-on, taking ownership, solving problems, and working across multiple areas of technology rather than operating within a narrowly defined technical silo.
The ideal candidate will bring strong experience supporting Microsoft and virtualized infrastructure, along with practical knowledge of networking, backups/recovery, security technologies, and enterprise systems.
What You'll Do- Support, administer, monitor, and troubleshoot a Microsoft-based enterprise infrastructure.
- Manage and support virtual server environments, with an emphasis on VMware.
- Maintain Windows Server and related Microsoft technologies.
- Support backup, recovery, patching, monitoring, and overall systems availability.
- Troubleshoot infrastructure issues spanning servers, networks, connectivity, firewalls, and related technologies.
- Support Microsoft 365 and associated enterprise services.
- Work with technology vendors and partners to resolve issues and implement solutions.
- Participate in infrastructure upgrades, implementations, and technology initiatives.
- Proactively monitor the environment and identify potential issues before they become business-impacting problems.
- Serve as a senior technical resource capable of taking ownership of issues through resolution.
- Approximately 7+ years of progressive systems/infrastructure experience or equivalent demonstrated technical depth.
- Strong hands-on experience with VMware / virtualized server environments.
- Strong knowledge of Windows Server and Microsoft infrastructure technologies.
- Experience with Microsoft 365.
- Practical experience with enterprise backup and recovery technologies.
- Working knowledge of networking fundamentals, including TCP/IP, VLANs, subnets, routing, switching, and connectivity troubleshooting.
- Experience supporting firewall and network-security technologies.
- Ability to troubleshoot issues across multiple layers of the infrastructure environment.
- Strong analytical and problem-solving skills.
- Demonstrated ability to work independently, take initiative, and learn new technologies.
- Ability to adapt as business and technology priorities change.
This position requires an on-site presence in the Coastal Southeast —> on-site position; relocation considered. Candidates currently outside the area who have a genuine interest in relocation are encouraged to inquire.
Qualified candidates will be contacted directly by Core Technology Solutions to discuss the opportunity and determine mutual fit.
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