Specialist - Systems and Network Administration

Nasdaq, Inc.; San Juan de Terranova; Hybrid; CAD 80,000 - 110,000; Full time

Job summary

Nasdaq, Inc. is seeking a Specialist - Systems and Network Administration in St. John's NL or Philadelphia, PA. You design, implement, and maintain an enterprise network that enables secure, scalable global connectivity, collaborating with teams across regions.

You will configure Cisco/Catalyst/WLCs, Aruba Wi‑Fi, ISE, SD-WAN, and provide L2/3 support. The role includes secure guest access, policy posture, and documentation while enabling a hybrid work setup.

Qualifications

• Bachelor's degree in Computer Science, Systems Engineering, or equivalent practical experience.
• Multiple years of experience in network architecture, design, implementation, and maintenance.
• Proven experience supporting large-scale global networks and multivendor environments.
• Proven experience operating and supporting enterprise Wi-Fi services.

Responsibilities

• Design, implement, and maintain enterprise wireless networking solutions using Cisco and Aruba technologies.
• Configure and support Cisco Catalyst 9800 WLCs, access points, Wi-Fi 6/6E environments, Cisco ISE, Cisco Catalyst Center, Cisco SD-WAN and Aruba Central WIFI.
• Administer secure guest access, traffic anchoring, 802.1X authentication, device profiling, and posture policies.
• Install, configure, and maintain Cisco switches, routers, and LAN/WAN/WLAN infrastructure while providing Level 2/3 support.
• Engineer, document, and recommend network solutions that improve scalability, performance, and reliability across global operations.

Skills

Cisco networking

Aruba wireless

Wi-Fi 6/6E

Network security basics

English communication

Education

Bachelor's degree in Computer Science or related

Tools

Cisco Catalyst Center

Cisco switches/routers

Cisco ISE

Aruba Central WIFI

Ansible scripting

Job description

## Specialist - Systems and Network AdministrationApply: St. John's - 18 Hebron Way: Canada - St. John's - Newfoundland & Labrador: Full time: Posted Today: R0026968As a **Specialist of Systems and Network Administration** reporting to the **Director - Systems and Network Administration**, you'll play a critical role in designing, implementing, and maintaining enterprise network infrastructure that enables secure, scalable, and high-performing global connectivity.You'll thrive in this position if you're a collaborative problem solver with a global mindset and a passion for networking technologies, innovation, and delivering reliable solutions in a fast-paced, high-impact environment.**Key Responsibilities*** Design, implement, and maintain enterprise wireless networking solutions using Cisco and Aruba technologies.* Configure and support Cisco Catalyst 9800 WLCs, access points, Wi-Fi 6/6E environments, Cisco ISE, Cisco Catalyst Center, Cisco SDWAN and Aruba Central WIFI* Administer secure guest access, traffic anchoring, 802.1X authentication, device profiling, and posture policies.* Install, configure, and maintain Cisco switches, routers, and LAN/WAN/WLAN infrastructure while providing Level 2/3 support.* Engineer, document, and recommend network solutions that improve scalability, performance, and reliability across global operations.**Required Qualifications*** Bachelor's degree in Computer Science, Systems Engineering, or equivalent practical experience.* Multiple years of experience in network architecture, design, implementation, and maintenance.* Proven experience supporting large-scale global networks and multivendor environments.* Proven experience operating and supporting enterprise Wi-Fi services.* Strong English communication skills, both written and verbal.**Preferred Qualifications*** CCNP certification or equivalent.* Experience with Aruba and Cisco wireless technologies, Cisco Catalyst Center, and Cisco SD-WAN.* Experience with Ansible scripting and AI development.This position can be located in **Philadelphia, PA or St. John’s NL**and offers the opportunity for a hybrid work environment at least 3 days a week in-office, subject to change, providing flexibility and accessibility for qualified candidates.