SENIOR SYSTEM INFRASTRUCTURE ENGINEER
About The Position
The Senior System Infrastructure Engineer is a hands-on senior technical role responsible for designing, maintaining, securing, and supporting enterprise technology infrastructure. The role covers server virtualization, enterprise storage, Windows Server systems, networking, firewalls, VPN connectivity, wireless infrastructure, cybersecurity, and related technology platforms. The employee may work independently, with work often reviewed by an immediate supervisor, exercises broad discretion in significant matters within functional areas, and advises others on matters within their expertise. The role is 100% on-site, with scheduled hours of 7:00 a.m. to 3:30 p.m. It may involve occasional prolonged or irregular hours, after-hours on-call support, occasional weekend maintenance, and occasional travel to the company's subsidiary in Milford, Connecticut, or for off-site training. The work takes place in an office and frequently in a factory, as well as utility closets, cable chases, and above suspended ceilings.
Requirements
- Advanced knowledge of current and legacy Windows operating systems.
- Experience managing at least 50 Windows servers.
- Experience with Microsoft Entra, Exchange, M365, Intune, and Defender.
- Strong hands-on experience with VMware vSphere, ESXi, and vCenter.
- Strong experience administering NetApp storage systems.
- Advanced knowledge of Microsoft Windows Server 2019 or newer.
- Strong knowledge of Active Directory, Group Policy, DNS, and DHCP.
- Experience administering and troubleshooting Cisco ASA firewalls.
- Strong knowledge of site-to-site and remote-access VPN technologies.
- Strong understanding of TCP/IP, VLANs, subnetting, routing, switching, and network segmentation.
- Hands-on experience supporting Cisco Meraki switches and wireless access points.
- Strong understanding of cybersecurity principles, including infrastructure hardening, vulnerability management, patching, secure access, and network security.
- Experience with backup, disaster recovery, and business continuity technologies.
- Experience troubleshooting complex server, network, storage, firewall, VPN, and infrastructure problems.
- Strong technical documentation and organizational skills.
- Demonstrated ability to independently manage complex technical projects and issues.
- Strong written and verbal communication skills.
- Ability to communicate effectively with technical teams, business users, vendors, and management.
- 15 or more years of experience with advanced networking in a corporate environment.
- One or more of the following certifications: VMware Certified Professional (VCP), Cisco CCNA or CCNP, Microsoft certifications, NetApp Certified Data Administrator, Nutanix Certified Professional, or CISSP or similar cybersecurity certification.
Nice To Haves
- Ability to support a legacy VAX environment.
- SQL, VB.NET, or HTML coding skills.
- Experience with Nutanix AHV, Prism Central, Prism Element, or Nutanix hyperconverged infrastructure.
- Bachelor's degree in computer science or a related area is preferred.
Responsibilities
- Design, install, and configure internal and customer-facing servers, network devices, and firewalls.
- Proactively manage and maintain server, network, and firewall systems.
- Administer and support on-premises and online Microsoft Exchange.
- Administer and support core Microsoft, Cisco, and VMware technologies.
- Develop and implement project plans, risk assessments, and contingency plans.
- Design and implement monitoring, configuration management, and reporting functions to create a hands-off environment.
- Define and document best practices and support procedures.
- Provide after-hours support for infrastructure emergencies and occasional weekend maintenance.
- Assist with evaluation, recommendation, and negotiations involving hardware, firewall, telecom, and software vendors.
- Mentor and cross-train team members on existing and new technologies.
- Carry out special tasks at management's direction.
- Interact with vendors and staff at the technical level as required.
- Perform other duties as assigned.
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What This Job Offers
Job Type
Full-time
Career Level
Senior
