New

Senior System Infrastructure Engineer

Connection
United States, Massachusetts, Worcester
Nov 06, 2026
Senior System Infrastructure Engineer Managed Services / LCS / Staffing Worcester, MA CONNECTION At Connection, our purpose is simple: we connect people with technology. From hardware—PCs, printers, servers, and more—to cutting-edge cloud, cybersecurity, and professional IT services, we design, build, and support the IT solutions that thousands of companies, schools, and government agencies rely on every day. Back in 1982, we started out with two employees and a phone line. Today, Connection is a Fortune 1000 IT solutions partner operating in 174 countries around the world—still driven by that startup mentality and guided by our original purpose. We’d love for you to join us and make your mark on the future of technology. https://www.connection.com/ keywords: position summary,work authorization,design,management,coordinate,education,experience,knowledge,preferred Full Time Overview: Connection has a fantastic opportunity through our Technical Staffing division for a Sr Infrastructure Engineer. This is a full-time position with benefits. Seeking a highly experienced Senior Systems Infrastructure Engineer to design, implement, secure, and maintain enterprise IT infrastructure. This is a hands-on senior technical role supporting Windows Server environments, virtualization, enterprise storage, networking, firewalls, Microsoft 365, and cybersecurity. Applicants must be authorized to work for any employer in the U.S. We are unable to sponsor or take over sponsorship of an employment visa at this time. Entity of type com.vizirecruiter.common.domain.model.Label with id: 13102 Responsibilities: Design, configure, and maintain enterprise servers, network infrastructure, firewalls, and storage systems. Manage and support Windows Server environments, VMware virtualization, Microsoft 365, Exchange, and Active Directory. Administer Cisco firewalls, VPN connectivity, Meraki switches, and wireless infrastructure. Implement infrastructure security, patching, vulnerability management, monitoring, backup, and disaster recovery solutions. Lead complex infrastructure projects, develop technical plans, and proactively troubleshoot system issues. Establish technical standards, documentation, and best practices while mentoring team members. Coordinate with vendors and internal stakeholders on infrastructure solutions and technology recommendations. Provide occasional after-hours and weekend support for critical infrastructure needs. Entity of type com.vizirecruiter.common.domain.model.Label with id: 105 Requirements: 15+ years of experience in enterprise IT infrastructure and advanced networking. Strong experience managing 50+ Windows servers, including Windows Server 2019 or newer. Hands-on expertise with VMware vSphere, ESXi, and vCenter. Experience administering NetApp enterprise storage. Strong knowledge of Microsoft Entra ID, Exchange, M365, Intune, Defender, Active Directory, Group Policy, DNS, and DHCP. Experience with Cisco ASA firewalls, site-to-site and remote-access VPNs, and Cisco Meraki networking. Strong understanding of TCP/IP, VLANs, routing, switching, network segmentation, and cybersecurity. Experience with backup, disaster recovery, and business continuity solutions. Excellent troubleshooting, documentation, project management, and communication skills. Preferred Qualifications Experience with Nutanix AHV and hyperconverged infrastructure. Familiarity with legacy VAX environments. SQL, VB.NET, or HTML coding experience. Bachelor's degree in Computer Science or a related field preferred. Relevant certifications such as VMware VCP, Cisco CCNA/CCNP, Microsoft, NetApp, Nutanix, or CISSP.