Systems Administrator Jobs in Portsmouth, NH

Champion the administration and optimization of Linux systems vital to eBusiness operations. Leverage your expertise in shell scripting and enterprise applications to ensure seamless data interchange...

Lead the provisioning and security of endpoint and SaaS platforms, ensuring optimal system performance for our teams. Drive enhancements across cloud and on-premises environments while fostering a fas...

Optimize enterprise infrastructure by managing and enhancing hybrid systems. Collaborate with teams to ensure system reliability, security, and performance. Leverage your expertise in cloud environmen...

Join a dynamic team as you maintain and secure both on-premises and cloud infrastructures. Your role includes supporting operating systems, managing applications, and ensuring system integrity while c...

Manage and enhance a secure multi-platform IT environment for critical national security missions. Collaborate with diverse teams to address challenges, implement solutions, and ensure reliable cybers...

Engage with our IT Operations team as a Senior Systems Administrator, focusing on Identity and Access Management while driving integration across security, endpoint, and identity systems to enhance in...

Pioneer in systems administration, overseeing enterprise applications and device management to ensure a secure, efficient technology environment supporting faculty, staff, and students while optimizin...

Optimize the operation and configuration of complex Okta environments, ensuring stability and support while leading a team of system administrators and enhancing end-user technology experiences...

Unlock potential by managing and optimizing enterprise infrastructure, supporting both cloud and on-premises systems, with a focus on high availability and security. Collaborate closely with key stake...

Elevate IT system performance by managing operations for critical consular applications. Ensure the stability, security, and efficiency of systems supporting U.S. Passport operations globally, while d...

Transform IT operations by supporting Special Access Programs, enhancing secure networking, and ensuring system integrity. Provide daily support for critical DoD initiatives, with an emphasis on probl...

Lead the maintenance and security of systems and networks in a dynamic IT environment, driving user support and implementing improvements that enhance operational efficiency and data protection...

Deliver expert administration and management of ClearPath OS2200 systems, ensuring optimal performance and security. Collaborate with teams to enhance services, support integration, and drive continuo...

Join a team that builds cutting-edge Linux systems for tactical autonomy, enhancing national security through advanced IT solutions in both classified and unclassified environments, while supporting t...

Shape the future of IT infrastructure through expert management of systems, security, and cloud technology. Collaborate with teams to optimize operations and stay ahead of industry trends. Your expert...

Join a team that's enhancing ServiceNow capabilities by supporting its administration and application development, ensuring operational reliability and efficient service delivery within a collaborativ...

Reimagine UNIX administration as a core component of operating excellence. Drive security, performance, and compliance in multi-site environments while collaborating with stakeholders to innovate solu...

Transform IT operations by ensuring the security, reliability, and advancement of core infrastructure and applications. Collaborate on tech initiatives while enhancing end-user support and operational...

Lead the charge in providing technical user support and ensuring network security. Oversee hardware/software maintenance and data communications within the local area network, while assisting users an...

Join a team that's pivotal in enhancing our corporate infrastructure. This senior role requires expertise in systems administration, cloud operations, and troubleshooting to ensure optimal performance...

Elevate our pre-sales capabilities by optimizing systems and workflows that drive lead and account management. Collaborate across departments to improve efficiency, data quality, and user experience...

Empower your career as a hands-on IT Systems Engineer managing Microsoft 365 and identity infrastructure. Drive strategic initiatives in SSO, endpoint security, and compliance while supporting a dynam...

Join a team that's dedicated to ensuring reliable, efficient IT infrastructure. As Infrastructure/System Administrator, you’ll manage diverse systems, enhance performance, and tackle technical challen...

Advance IT systems while managing AI tooling and infrastructure. This hands-on role involves deploying AI solutions, maintaining traditional admin tasks, and collaborating with diverse teams to enhanc...

Transform the future of CRM solutions by designing and managing systems that enhance user experience and meet business needs across the university system, ensuring effective integration, support, and...