110-145k | Framingham, MA | Senior Network Administrator

What You’ll Do

• Design and deliver hybrid infrastructure solutions (cloud, on-prem, and hybrid) with a focus on security, performance, and resilience
• Own and maintain Windows Server environments, including Active Directory, DNS, DHCP, and Group Policy
• Mentor junior engineers and promote a culture of ownership and continuous improvement
• Manage virtualized infrastructure (VMware, Hyper-V, Nutanix) to ensure high availability and performance
• Lead and resolve critical infrastructure incidents, including root cause analysis
• Configure and support network technologies: routing & switching, VLANs/VNets, SD-WAN, firewalls, wireless, secure remote access, and internet gateways
• Monitor network performance and proactively address issues before they impact the business
• Partner closely with security teams on hardening, risk mitigation, and best practices

What You Bring

• 10+ years of experience supporting enterprise or hybrid infrastructure environments
• Strong expertise in Windows Server, Active Directory, and virtualization
• Hands-on experience with Azure and/or AWS
• Deep knowledge of networking protocols, security architecture, and SD-WAN
• Comfortable with documentation, troubleshooting, and stakeholder communication
• Experience leading, mentoring, or guiding IT teams

Nice to Have

• Scripting/automation experience (PowerShell, Python, Bash)
• Hands-on SD-WAN design or optimization experience
• Certifications such as Azure, Cisco, ITIL (CISSP a plus)