Senior Network & Infrastructure Engineer
5 days ago
Greenwich
Job Description Greenwich Country Day School is an independent, co-educational day school with a current enrollment of over 1400 students in grades N-12, and a faculty and staff of over 350. The original Old Church Road campus is home to grades N-8. The High School, established in 2019, is located less than two miles away on Stanwich Road. Founded in 1926, Greenwich Country Day School is a family school where innovative teaching is encouraged as teachers model and foster a love of learning, challenge and inspire children toward academic excellence, and cultivate students’ interests and talents outside of the classroom. We value purposeful and personal learning in a joyful environment, with emphasis on the development of character, creativity, and a sense of personal value along with strong academic skills. GCDS is committed to graduating ethical, confident leaders who possess a strong sense of purpose. GCDS is fortunate to have built a large endowment, which helps to fund competitive salaries and benefits, a robust professional development program, and reimbursement for graduate school tuition. GCDS offers a substantial need-based financial aid program to support students from a range of socio-economic backgrounds. Greenwich Country Day School seeks to hire a Senior Network & Infrastructure Engineer to start in June 2026. This role will be responsible for the design, stability, security, and long-term evolution of the school’s core technology infrastructure. This role serves as the senior technical lead supporting servers, wired and wireless networks, backups, cybersecurity systems, and construction-related technology planning, while working closely with internal staff, vendors, and consultants.This position represents a strategic shift from external consultant management to internal ownership. It is hands-on but strategic, balancing daily operational reliability with long-term financial and lifecycle planning appropriate for an independent N–12 school environment.Key ResponsibilitiesStrategic Planning & Financial Management • Capital Budgeting: Create, request, and purchase capital budgets for network and server infrastructure., • Lifecycle Management: Develop and execute rotation plans for servers, switches, firewalls, network storage, and wireless access points to ensure performance and reliability., • Vendor Management: Act as the senior technical liaison for network and infrastructure vendors; review proposals, ensure SLA compliance, and hold vendors accountable for deliverables.Network & Infrastructure Operations, • Network Administration: Manage core network infrastructure, including routing, VLANs, and switching, specifically for an environment of 90+ Cisco switches and 266+ Access Points., • Server Operations: Design, maintain, and document on-prem and cloud-based server environments, ensuring consistent patching and performance monitoring., • Backup & Disaster Recovery: Oversee comprehensive backup strategies and business continuity planning to ensure data integrity., • Domain Management of Windows and Google Work Environments. In coordination with the Network Administrator., • Documentation: Create and maintain detailed network diagrams and system documentation to ensure institutional knowledge is retained internally.Construction & Facilities Technology, • Design & Planning: Represent the Technology department at construction design meetings and renovation planning sessions., • Implementation: Coordinate low-voltage designs, MDF/IDF planning, and infrastructure standards; review drawings and submittals to ensure technology readiness for new spaces.Cybersecurity (Shared Ownership), • Tool Management: Administer and tune cybersecurity tools, including firewalls, endpoint protection, SIEM, and web filtering., • Incident Response: Coordinate response and remediation efforts for security incidents and support audits or cyber insurance compliance requirements., • Monitoring: Review, assess, and triage network and security alerts in partnership with the Network Administrator.Tier 3 Support & Leadership, • Escalated Support: Handle "elevated tickets" and chronic technical issues that require advanced troubleshooting, serving as the escalation point for the support team., • Mentorship: Mentor and support the Network Administrator and technical support staff, fostering a collaborative team approach., • Stakeholder Liaison: Partner with Facilities, Finance, and Administration on organizational planning.Required Qualifications, • Experience: 8+ years of experience in network and systems engineering, with a proven track record of transitioning from operational maintenance to strategic infrastructure ownership., • Scale & Scope: Demonstrated ability to manage and troubleshoot large-scale enterprise networks, specifically environments capable of supporting 90+ switches and 250+ Access Points., • Strategic & Financial Acumen: Experience creating and managing capital budgets for IT infrastructure, including lifecycle rotation planning for servers, switches, and wireless hardware., • Construction Experience: Previous experience representing Technology in construction design meetings and coordinating low-voltage designs., • Operational Availability: Ability to provide support for critical issues with the flexibility to perform maintenance and upgrades outside of standard business hours to minimize downtime., • Communication: Strong ability to communicate complex technical concepts to non-technical stakeholders and act as the primary liaison for external vendors., • Problem Solving: Demonstrated capacity to maintain composure during critical outages ("doesn't panic") and solve unfamiliar technical challenges efficiently.Technical Skills & Stack ProficiencyNetworking & Security, • Switching: Expert-level configuration and management of Cisco switching technology., • Wireless: Advanced management of ExtremeCloud IQ wireless environments., • CyberSecurity Training, • Firewall: Hands-on experience with Watchguard firewalls (upgrades, installation, management).Systems & Servers, • Hardware: Extensive experience with Dell Server technology (specification, installation, maintenance)., • Windows Environment: Advanced proficiency with Windows Server, DNS, DHCP, and NPS., • Identity: Management of Active Directory, including maintenance, upgrades, and Group Policy., • Backup: Proficiency in managing legacy and modern backup solutions, specifically Backup Exec 25.x and LiveVault online backup systems.Preferred Qualifications, • Experience in K–12 or higher education environments., • Familiarity with Google Workspace and Microsoft 365 environments. 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