Systems Administrator Jobs in Portsmouth, NH

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Systems Administrator

Laconia, NH
onsite
Permanent / Full Time
70000 - 100000 USD / Yearly
We are looking for an experienced Systems Administrator to support core infrastructure and end-user technology in Laconia, New Hampshire. This role oversees server environments, desktop systems, connected devices, and helpdesk support while helping the business translate operational needs into practical technical solutions. The ideal candidate brings strong troubleshooting ability, sound judgment, and a hands-on background managing both Windows and Linux-based environments. Responsibilities: • Partner with business teams to gather requirements, define technical scope, and outline workflows for infrastructure-related projects and system improvements. • Plan and carry out testing for operating system, hardware, and software changes, documenting results to promote stable production releases. • Execute system installations, updates, migrations, and production deployments across server and end-user computing environments. • Create and maintain accurate technical documentation, including network diagrams, process flows, operating procedures, recovery steps, and user guidance materials. • Investigate and resolve issues involving applications, hardware, servers, and network communications to minimize disruption to business operations. • Provide instruction to end users on procedures and best practices needed to effectively operate assigned technology and equipment. • Build, configure, upgrade, and repair personal computers and related systems to meet organizational standards and user needs. • Contribute technical expertise to special projects and keep leadership informed through regular status updates and progress reporting. • Participate in a rotating on-call schedule to support systems during and outside standard business hours as needed.
2026-11-09T00:00:00Z

Systems Administrator

Manchester, NH
onsite
Permanent / Full Time
0 - 0 USD / Yearly
Systems AdministratorWe're looking for a hands-on Systems Administrator to support and enhance our IT infrastructure in a fully onsite, 5 days per week role. This position will be responsible for managing servers, supporting the Microsoft 365 environment, and helping drive automation and efficiency across the organization. What You'll Do:<ul><li>Administer and support Windows Server environments</li><li>Manage and optimize the Microsoft 365 platform, including Exchange Online, Teams, and Entra ID</li><li>Develop and maintain solutions using Power Apps and the Power Platform</li><li>Monitor system performance, security, backups, and patch management</li><li>Troubleshoot infrastructure, application, and user support issues</li><li>Collaborate with IT leadership on technology improvements and projects</li></ul> If you enjoy solving technical challenges, improving systems, and working in a collaborative environment, we'd love to hear from you.
2026-10-27T00:00:00Z

Network Administrator

Manchester, NH
onsite
Temporary to Hire
0 - 0 USD / Yearly
We are looking for an experienced Network Administrator to support and enhance client infrastructure in Manchester, New Hampshire. This contract position with the potential to become permanent is ideal for a hands-on, detail-oriented individual who excels in network security, systems administration, and client-facing technical collaboration. The role focuses on maintaining reliable connectivity, securing business environments, and delivering practical infrastructure improvements across multi-site organizations. Responsibilities: • Oversee the administration, tuning, and ongoing support of firewall environments using leading platforms such as Fortinet, SonicWall, Cisco Meraki, Palo Alto, and WatchGuard. • Build, maintain, and optimize network infrastructure, including switching, VLAN segmentation, routing, and wireless connectivity for client environments. • Configure secure site-to-site and remote access VPN solutions to ensure dependable connectivity for distributed users and locations. • Track network health and security posture, respond to performance concerns, and address risks before they affect business operations. • Conduct firewall policy assessments, manage rule sets, and participate in security reviews to strengthen protection and compliance. • Contribute to infrastructure planning for new deployments, expansions, and technology refresh initiatives across client sites. • Diagnose and resolve advanced network and connectivity problems spanning multiple offices and mixed environments. • Administer Windows Server platforms and core services such as Active Directory, Group Policy, file services, and print services. • Support Microsoft 365 and Azure AD environments, including collaboration, device management, and cloud-based user administration. • Partner with clients and internal sales stakeholders during discovery discussions, assessments, solution planning, and technical presentations.
2026-10-27T00:00:00Z

Systems Engineer

Portland, ME
onsite
Permanent / Full Time
68000 - 800000 USD / Yearly
We are looking for a Systems Engineer to support and enhance our client's technology environment. This role focuses on maintaining secure, reliable infrastructure while helping end users and internal teams resolve technical issues efficiently. The ideal candidate brings strong experience with Microsoft platforms, virtualization, and cloud services, along with a practical understanding of cybersecurity and regulated environments. Responsibilities:• Manage and support core infrastructure platforms, including Windows Server, Active Directory, Exchange, Microsoft 365, Azure, and endpoint protection tools.• Maintain and optimize virtual environments, virtual desktop solutions, and storage systems to ensure performance, availability, and scalability.• Diagnose technical issues across servers, user systems, and network-connected services, and deliver timely resolution with a strong service mindset.• Partner with colleagues across departments to implement system improvements, monitor operational health, and reduce technology risk.• Apply security best practices and support compliance efforts within a banking or highly regulated environment.• Assist with administration of cloud-based identity and collaboration tools, including Azure Active Directory and Microsoft Copilot capabilities where applicable.• Document configurations, procedures, and support activities to promote consistency and efficient issue resolution.• Travel as needed to provide on-site technical support, project assistance, or infrastructure maintenance.
2026-10-28T00:00:00Z

4 results for Systems Administrator in Portsmouth, NH