Systems Administrator Jobs in Portsmouth, NH

Oversee the administration of cloud-based IT systems, driving service quality and efficiency while managing escalated support and strategic IT projects for a dynamic organization poised for growth...

Join a team that's focused on maintaining and enhancing hybrid infrastructure. You'll manage Windows Server and cloud environments, automate processes, and ensure systems are reliable and efficient, d...

Take ownership of ServiceNow system administration, ensuring security, compliance, and reliability across federal environments while collaborating with cross-functional teams to optimize platform perf...

Transform your career as a systems administrator, overseeing M365 services, data architecture, and robust security operations while collaborating with cross-functional teams to deliver efficient IT so...

Unlock potential by providing hands-on IT support in a high-tech environment. You will maintain system integrity, improve operational efficiencies, and collaborate on initiatives to enhance research c...

Optimize cybersecurity operations while supporting infrastructure and user needs. Engage with cross-functional teams to enhance security compliance and vulnerability management in a dynamic and evolvi...

Elevate IT infrastructure management by supporting multiple operating systems, diagnosing performance issues, and enhancing user experience. Collaborate with internal teams to implement effective solu...

Lead the charge in optimizing network operations and security to ensure robust connectivity and reliability across all campus locations, while providing expert support and collaboration on technology...

Drive the maintenance and enhancement of network infrastructure, ensuring performance, security, and reliability in a dynamic environment. Collaborate with experts to troubleshoot and implement change...

Grow your career by providing vital IT support within Special Access Programs, ensuring network integrity and operational readiness, while collaborating with diverse teams to resolve technical issues...

Explore advanced IT infrastructure solutions within Special Access Programs, providing crucial support for secure networking environments and operational tests while ensuring optimum equipment perform...

Join a dynamic team to support Special Access Programs by maintaining secure networks, troubleshooting issues, and enabling efficient operations. Collaborate with IT staff and customers to optimize pe...

Grow your career with a leading role in Windows systems administration, providing critical support for enterprise Microsoft environments. Engage in advanced troubleshooting, security hardening, and ma...

Grow your expertise by tackling complex infrastructure solutions, optimizing performance, and driving automation initiatives within a hybrid-cloud environment while leading cross-functional teams and...

Innovate with a dynamic IT team to optimize and secure cutting-edge networks. Engage in cybersecurity operations, manage local and wide area networks, and drive infrastructure enhancements for a leadi...

Contribute to the stability and security of enterprise server environments by managing Windows, Linux, VMware, and Azure infrastructures, ensuring optimal performance, automation, and collaboration ac...

Join a team that's dedicated to ensuring the stability and security of critical IT systems serving U.S. citizens. Take ownership of desktop and server support, system administration, and compliance in...

Optimize cloud and on-premises infrastructure management across AWS and Windows. Drive system administration, cybersecurity compliance, and web hosting support to ensure reliable, secure, and scalable...

Optimize technical solutions across Windows, Linux, and VMWare platforms. Collaborate with teams to enhance user experience and deliver automated solutions while ensuring effective troubleshooting and...

Empower corporate IT operations by leading a Microsoft 365 tenant migration, managing identity access via Okta and Entra ID, and overseeing Windows endpoints. Drive effective service desk operations w...

Champion the technical administration of Deltek Vantagepoint ERP, ensuring system optimization, stability, and performance while collaborating with cross-functional teams to support business operation...

Take ownership of IT operations, managing identity, access, and endpoint management while ensuring audit readiness. Collaborate with teams on compliance and support employee IT needs in a fully remote...

Inspire seamless IT operations by managing technology systems, applications, and employee support in a fully remote environment. Drive scalability and security by implementing effective processes and...

Join our dynamic team to provide top-tier technical support across diverse systems, managing Windows and OSX environments while automating processes. Collaborate with users, ensuring a seamless experi...

Optimize the ServiceNow platform through administration, configuration, and support. Collaborate with cross-functional teams to enhance ITSM processes and ensure alignment with federal requirements. D...