As a Senior Network Engineer 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.  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. What We Offer We’re proud to offer a competitive rewards package that is meaningful, recognizes the unique needs of our employees and their families and incentivizes employees for their contribution to Nasdaq’s overall success. In addition to base salary, Nasdaq offers significant other compensation (annual bonus/commissions and equity), benefits, and opportunity for growth. Exact compensation may vary based on several job-related factors that are unique to each candidate, including but not limited to: skill set, experience, education/training, business needs and market demands. Nasdaq’s programs and rewards are intended to allow our employees to: • Secure Wealth: 401(k) program with 6% employer match, Employee Stock Purchase Program with 15% discount, Student loan repayment program up to $10k, Company paid life and disability plans, Generous paid time off • Prioritize Health: Comprehensive medical, dental and vision coverage, Health spending account with employer contribution, Paid flex days to support mental wellbeing, Gym membership discounts • Care for Family: Hybrid home/office schedule (for most positions), Paid parental leave, Fertility benefits, Paid bereavement leave • Connect with Community: Company gift matching program, Employee resource groups, Paid volunteer days • Grow Career: Education Assistance Program, Robust job skills training and Professional development opportunities For more information, visit Nasdaq Benefits & Rewards Career page.