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)
