Senior Infrastructure Engineer (VMware, Windows, Networking)

Connexion Systems & Engineering Inc.; Shrewsbury (MA); On-site; USD 150,000 - 170,000; Full time

Job summary

Connexion Systems & Engineering Inc. seeks a Senior System Infrastructure Engineer in Shrewsbury, MA to design, secure, and support enterprise infrastructure, including servers, storage, networking, and cybersecurity.

This role involves hands-on deployment and ongoing optimization across Windows Server, VMware, and Cisco environments. You will lead project planning, risk assessments, and contingency planning while mentoring teammates.

Qualifications

• Advanced knowledge of Windows operating systems and server infrastructure.
• Experience managing 50+ Windows Server environments in a corporate setting.
• Proficiency with VMware vSphere/ESXi/vCenter and NetApp storage systems.
• Strong experience with Cisco ASA firewalls and VPN technologies.
• Demonstrated ability to design and implement enterprise infrastructure security.

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 Microsoft Exchange on premises and online.
• Administer and support core Microsoft, Cisco, and VMware technologies.
• Develop and implement project plans, risk assessments, and contingency plans.
• Define and document best practices and support procedures.
• Provide after-hours support for infrastructure emergencies and occasional weekend maintenance.
• Mentor team members on new technologies.

Skills

Windows Server

VMware vSphere

NetApp Storage

Cisco ASA

VPN Technologies

Cybersecurity

Active Directory

Education

Bachelor's degree in computer science (or related area)

15+ years of corporate networking experience

VMware VCP, Cisco CCNA/CCNP, CISSP or equivalent

Tools

Microsoft Entra

Exchange / M365 / Defender

Intune

NetApp storage systems

Cisco ASA

Nutanix AHV / Prism (preferred)

Job description

Connexion Systems & Engineering Inc. seeks a Senior System Infrastructure Engineer in Shrewsbury, MA to design, secure, and support enterprise infrastructure, including servers, storage, networking, and cybersecurity.

This role involves hands-on deployment and ongoing optimization across Windows Server, VMware, and Cisco environments. You will lead project planning, risk assessments, and contingency planning while mentoring teammates.