Senior Network Engineer (Level 3)

Job Summary: We are seeking a highly skilled and experienced Senior Network Engineer (Level 3) to join our dynamic IT Infrastructure team. The ideal candidate will be an expert in Cisco Software-Defined Access (SDA) deployments using Cisco DNAC, with a strong command over wired and wireless infrastructure design, configuration, and troubleshooting. You will play a critical role in the planning, execution, and support of complex network infrastructure initiatives and guide junior engineers as a technical leader. Key Responsibilities: • Lead the deployment and management of Cisco SDA (wired and wireless) using Cisco DNAC, ensuring best practices are followed. • Plan, design, and implement wireless networks in coordination with vendors, project managers, and engineering teams. • Configure and troubleshoot complex WAN, LAN, and wireless environments, including performance tuning and quality assurance. • Validate RF performance and reliability and optimize wireless coverage and signal integrity. • Mentor and train in-house engineers on wireless technologies and act as a technical advisor to non-technical stakeholders. • Configure and manage routing protocols such as BGP, IS-IS, and OSPF, along with VxLAN and LISP technologies. • Implement and troubleshoot LAN technologies, including QoS, IEEE 802.1X authentication, and related access controls. • Work with firewalls (Palo Alto, Juniper, Cisco ASA) to ensure secure network boundaries. • Support and configure Load Balancers (LTM/GTM) and SSL infrastructure components (RADIUS, AAA, CA). • Apply advanced debug analysis and problem-solving techniques to resolve critical issues. • Maintain detailed network documentation, create Method of Procedures (MOPs), and manage site cutovers with end-to-end ownership. • Participate in operational activities, including Incident, Problem, and Change Management. • Create and update technical manuals and SOPs for ongoing network operations. Required Skills & Qualifications: • 8+ years of hands-on experience in enterprise networking. • Expert-level proficiency in deploying and managing Cisco SDA with DNAC. • Strong experience with wireless networking technologies and RF performance validation. • Proficiency in routing protocols (BGP, OSPF, IS-IS) and L2/L3 network troubleshooting. • Practical experience with LAN security, QoS, 802.1X, and network access control. • Familiarity with network security appliances including firewalls and load balancers. • Knowledge of SSL/TLS, Radius/AAA, and certificate-based authentication systems. • Strong documentation and communication skills with the ability to create clear and concise technical documents. • Proven ability to lead technical initiatives, conduct cutovers, and manage network migrations. Nice to Have: • Experience in network automation using Ansible or Python. • Exposure to CI/CD practices or infrastructure-as-code in networking contexts. Certifications (Preferred): • Cisco Certified Network Professional (CCNP) or equivalent • Cisco Certified Specialist - Enterprise SD-Access Implementation • Other vendor certifications (Palo Alto, Juniper, F5) are a plus Why Join Us? • Opportunity to work on cutting-edge enterprise network transformations. • Be part of a skilled team driving innovation in networking and automation. • Competitive compensation and benefits. • Culture of mentorship, collaboration, and continuous learning.

Created: 2026-03-04