United States
Siemens
Power & Tel
IT Infrastructure Admin
United States
Collierville, Tennessee, United States
AWS
Position Summary
Administers, secures, and supports the company’s network, server, cloud, and endpoint infrastructure. Provides hands-on troubleshooting, maintenance, project implementation, and technical support to ensure reliable business operations.
Key Responsibilities *
- Install, maintain, and troubleshoot Windows servers, Active Directory, Group Policy, DNS, DHCP, and virtualization platforms. *
- Administer LAN/WAN, wireless networks, VPNs, firewalls, switches, routers, and VoIP services; Oversee the 24/7 external monitoring provider, act on its alerts and escalations, and hold it to service levels. *
- Support Microsoft 365, Exchange Online, Teams, SharePoint, cloud infrastructure (including AWS), and hybrid identity services. *
- Maintain endpoint devices, software deployments, system updates, patching, and user access; resolve escalated technical issues. *
- Implement security controls, endpoint protection, MFA, vulnerability remediation, and system hardening; coordinate with security partners. *
- Monitor backup and recovery systems; conduct restore testing and assist with business continuity and disaster recovery. *
- Evaluate and support business applications; assist with upgrades, testing, rollouts, documentation, and user training. *
- Maintain network diagrams, inventories, procedures, and monitoring; use scripting and automation to improve reliability and efficiency.
Required Qualifications *
- Five years of relevant IT experience with hands-on administration of both enterprise networks and Windows server environments. *
- Working knowledge of TCP/IP, switching/routing, firewalls, Active Directory, Microsoft 365, system security, and backup/recovery. *
- Strong troubleshooting, communication, documentation, prioritization, and independent problem-solving skills with a track record of owning results.
Preferred Qualifications
Associate’s or bachelor’s degree in IT or related field; relevant Microsoft, Cisco, CompTIA, or AWS certifications; experience with AWS/Azure, Meraki/Cisco, PowerShell, virtualization, and enterprise security/monitoring tools. Experience with Jira or another ITSM/ticketing platform and AI or automation tooling. Equivalent education and experience will be considered.
Additional Information
Occasional after-hours maintenance, emergency support, or travel may be required. Duties may change with business needs; this description is not exhaustive.
NOTE
The purpose of this outline job description is to focus attention on the most important aspects of the job. It is not intended to be a complete list of every duty and it is therefore to be expected that the day to day performance of the job will frequently include tasks not listed above.
The list of duties for which the job holder is responsible may be varied or added to at the discretion of your manager. Any such alterations intended to be permanent will be added to this job description.
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