Senior Network & Infrastructure Engineer

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.

• 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 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.

• 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.

• 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.

• Escalated Support:
  Handle "elevated tickets" and chronic technical issues that require advanced troubleshooting, serving as the escalation point for the…