> Markdown version of [/jobs/ext/4066226-it-system-administrator](https://www.wearedevelopers.com/jobs/ext/4066226-it-system-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). --- # IT System Administrator - **Company:** RiverWoods Durham - **Location:** Lee, NH, United States - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Active Directory, Backup Devices, CompTIA Network+, Cyber Security, Dynamic Host Configuration Protocol, Disaster Recovery, Domain Name System (DNS), Firmware, Hyper-V, Virtual Private Networks (VPN), Windows Servers, Routing, Windows PowerShell, Cloud Services, Service Pack, Virtual Local Area Networks, Virtualization Technology, Wireless Networks, Scripting, System Availability, ARUBA, Sonicwall, Firewalls (Computer Science), Information Technology, Data Management, Vmware - **Published:** October 2, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=185927ccd426b913 ## About the Role * Bachelor's Degree in Computer Science, Information Technology, or a related field, or an equivalent combination of education and 2 to 5 years of progressively responsible systems administration experience. * Demonstrated experience administering: + Microsoft Windows Server, Active Directory, Group Policy, DNS, DHCP, Microsoft 365, and Entra ID. + VMware, Hyper-V, or other enterprise virtualization platforms. + Enterprise networking, including routing, switching, VLANs, wireless networking, VPNs, and firewalls. + Enterprise storage, backup, disaster recovery, and high availability infrastructure. * Demonstrated experience with PowerShell or other scripting languages preferred. * Demonstrated experience designing and implementing enterprise infrastructure and network solutions preferred. * Technical certifications are desirable but not required (for example Microsoft, VMware, Aruba, SonicWall, CompTIA Network+, or Security+)., * Ability to troubleshoot complex enterprise systems, document technical environments, and perform systematic root cause analysis to resolve technical issues * Strong knowledge of enterprise infrastructure, networking, virtualization, cloud services, cybersecurity, and systems administration best practices. * Excellent analytical, troubleshooting, organizational, and problem-solving skills. * Excellent verbal and written communication skills with the ability to communicate effectively with technical and non-technical audiences. * Ability to prioritize work, manage multiple projects, and meet deadlines. * Ability to work independently and collaboratively in a team environment. * Strong customer service skills with the ability to adapt quickly to changing technologies and business needs. ## Description + Clinical communication and resident Life Safety systems, including Emergency Call, Nurse Call, and other integrated healthcare technologies. * Monitor, maintain, troubleshoot, and optimize enterprise infrastructure to ensure system availability, performance, reliability, and security. * Perform routine infrastructure maintenance, including operating system updates, firmware upgrades, security patching, hardware lifecycle management, and backup and disaster recovery testing. * Develop and maintain automation, technical documentation, and standard operating procedures while evaluating best practices and recommending infrastructure improvements. * Collaborate with Project Managers, vendors, and internal departments to implement infrastructure projects and document system configurations. * Serve as an escalation point for complex infrastructure issues, perform root cause analysis, proactively monitor enterprise systems, and recommend corrective actions. * Participate in capacity planning, technology refresh initiatives, and long-term infrastructure planning. * Maintain current technical knowledge through professional development, industry research, and continuing education. * Mentor and cross-train IT staff on infrastructure technologies, operational procedures, and best practices. * Participate in a rotating on-call schedule to provide after-hours support for infrastructure emergencies and planned maintenance. * Travel throughout New Hampshire to support organizational locations and infrastructure projects as needed.