Information Technology - Assistant Manager, Network Infrastructure

Sacred Heart; Fairfield, Northern (CT, KY); Hybrid; USD 110,000 - 145,000; Full time

Job summary

Sacred Heart is seeking a Network Infrastructure Manager to oversee design, implementation, and management of the university's data network across campuses. The role emphasizes reliability, security, and leadership of network teams and contractors.

You will manage routing/switching, wireless infrastructure, and data center fabrics, while ensuring best-practice standards and continuous uptime in a complex university environment. Strong Cisco credentials and cloud familiarity are desired.

Qualifications

• CCNA and CCNP certification are highly preferred.
• Minimum 2+ years of hands-on LAN/WAN administration.
• Experience with Cisco routing/switching and wireless infrastructure.
• Strong knowledge of TCP/IP, DNS, DHCP, VLANs, and VPNs.
• Familiarity with security practices and governance.

Responsibilities

• Design and manage data network services across campus locations.
• Maintain uptime with proactive monitoring and response.
• Lead network staff, contractors, and vendors.
• Develop network maps and enforce hardware standards.
• Collaborate on construction projects and cabling/wireless standards.

Skills

Route & switch

LAN/WAN admin

Leadership

Cisco IOS/NX-OS

TCP/IP subnetting

DNS/DHCP/VLANs

Vendor mgmt

24/7 on-call

Security awareness

Network design & PM

Education

CCNA

CCNP

Bachelor's degree in IT/Networking

Tools

Cisco WLC

ISE

DNA Center

UCS

SNMP systems

Azure/AD/LDAP

AWS

Palo Alto firewall

Job description

Position Summary

Assist the Manager, Network Infrastructure in managing all data network infrastructure for the University.

Principal Duties & Responsibilities

• Design and manage data network services throughout all areas on all campuses:
  • Design, source, and install equipment, supplies, and tools in support of data network operations.
  • Design and install network infrastructure for all wired and wireless devices.
  • Manage multi-Gigabit redundant Internet connections and WAN connections.
  • Recommend infrastructure improvements based on sound best-practice principles.
• Ensure maximum uptime with a goal of 24/7/365 at 100%:
  • Provide one-hour response for all network systems.
  • Lead and guide network staff, contractors, and co-workers in network problem resolution.
  • Monitor and track network usage to prevent problems or problem users.
  • Develop and maintain early warning systems.
  • Perform daily, weekly, and monthly checks of switches, transmission equipment, power supplies, temperature control systems, fire suppression systems, generators, circuits, connections, and related equipment.
• Maintain standards and manage vendors:
  • Keep a set of living physical and logical network maps using Visio or similar mapping utility.
  • Develop and enforce best practices for installation and deployment of all hardware in all Data Centers and IDF closets.
  • Remain aware of security issues and early warning of breaches or usage violations.

• Manage relationships with all vendors and outside contractors in support of active and passive network components.

• Collaboration:
  • Manage the network component selection, cabling, and hardware standards for new construction and campus renovation projects.
  • Represent Networking in construction processes and other partnerships and enforce cabling/wireless installation standards through all phases of construction.

Knowledge, Skills, Abilities, & Other Attributes

• Need to be on call 24 x 7 with flexible schedule.
• In-depth Route/Switch and Data Center knowledge required, at least CCNA and preferably CCNP.
• Experience working with Cisco WLC, ISE, DNA servers, and Smartnet licensing is required.
• Comprehensive knowledge of TCP/IP, subnet masking, NAT, and QoS is required.
• Comprehensive knowledge of OSPF, BGP, EIGRP, and current routing protocols is required.
• Comprehensive knowledge of DNS, DHCP, VLANs, and VPNs is required.
• Fluency with Cisco IOS and NX-OS required.
• Experience troubleshooting hardware and software problems on switches and servers is required.
• Project management experience, with strong leadership and diplomacy skills to meet critical targets amidst various internal/external factors is required.
• Experience designing and deploying Cisco routers and switches required.
• Experience designing and deploying Cisco 802.11n/ac/ax wireless access points required.
• Experience troubleshooting wired and wireless network problems required.
• Strong task prioritization skills required.
• Diplomacy and tactful communication skills required.
• Strong customer-service and queue-management skills required.
• 2+ years direct hands-on experience administering a LAN/WAN environment required.
• In-depth knowledge of Cisco Core/Distribution/Access Layer model required.
• Experience with Palo Alto application layer firewall is a plus.
• Experience with Cisco Unified Computing System (UCS) is a plus.
• Administration of SNMP-based systems is a plus.
• Experience with Microsoft Azure, Active Directory and/or LDAP is a plus.
• Experience with Amazon Web Services (AWS) is a plus.
• MCP, MCSE, and other Microsoft certifications are a plus.

Unusual Working Conditions

Position is required to carry a mobile phone at all times and be available to work evenings and weekends to maintain a high standard of uptime.