Specialist - Systems and Network Administration

Nasdaq, Inc.; San Juan de Terranova; Hybrid; CAD 90,000 - 130,000; Full time

Job summary

Nasdaq, Inc. is seeking a Specialist of Systems and Network Administration to design, implement and maintain enterprise network infrastructure for secure, scalable global connectivity. Hybrid work option with in‑office presence required three days a week in Philadelphia, PA or St.

John’s NL. You will lead network design and operation across Cisco and Aruba technologies, ensuring 802.1X, secure guest access and high availability for multinational operations.

Qualifications

• Bachelor's degree in computer science, systems engineering, or equivalent practical experience.
• Multiple years of experience in network architecture, design, implementation and maintenance.
• Experience supporting large-scale global networks and multivendor environments.
• Experience operating and supporting enterprise Wi‑Fi services.
• Strong English communication skills, written and verbal.

Responsibilities

• Design, implement, and maintain enterprise wireless networking solutions using Cisco and Aruba technologies.
• Configure and support Cisco Catalyst 9800 WLCs, access points, 802.11ax environments, Cisco ISE, Catalyst Center, SD‑WAN and Aruba Central.
• Administer secure guest access, 802.1X, 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 scalable, reliable network solutions for global operations.

Skills

Network architecture

WLAN design

Multivendor environments

Enterprise Wi‑Fi

English communication

Education

Bachelor's degree in CS/Systems Engineering or equivalent

Tools

Cisco Catalyst Center

Cisco SD‑WAN

Aruba Central

Ansible scripting

Job description

As 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.
• 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.

Come as You Are Nasdaq is an equal opportunity employer. We welcome applications from candidates of all backgrounds and identities. We are committed to fostering an inclusive workplace where diverse perspectives, experiences, and identities are valued and celebrated. We ensure that individuals with disabilities are provided with reasonable accommodation throughout the hiring process.

At Nasdaq, we’re proud to be the engine behind the world’s capital markets. But we don’t stop there. We build the technology that drives transparency, trust, and access—helping economies grow and people thrive. Our purpose is to advance economic progress for all. Whether you’re a client, a colleague, or part of our broader community, we’re here to move markets—and possibilities—forward.

Our hybrid work model, NasdaqBlend, gives you flexibility to do your best work—whether that’s from home, in the office, or a mix of both.

We’re a global team of over 8,500 innovators across 38 countries, united by a shared purpose: advancing economic progress for all. It’s not just what we do—it’s how we do it, together.

We support your success through You&Q, our total rewards program that covers every dimension of life—from building wealth and growing your career to prioritizing well-being and family care.

Join the Team Advancing Economic Progress for All.