Network Engineer, Senior
Scottish Rite for Children · Dallas, TX · 2 wk ago
Information TechnologyFull-time
Key Responsibilities
- Serve as the lead network engineer, providing technical direction and hands-on leadership across all aspects of the enterprise network.
- Design, implement, and support complex Cisco-based campus, core, and wireless network architectures.
- Act as the primary escalation point for advanced network issues, performing deep-dive troubleshooting and root-cause analysis.
- Engineer, deploy, and maintain Palo Alto Networks firewalls, including policy design, advanced security features, and VPN services.
- Design, deploy, and support enterprise wireless networks, ensuring high availability, performance, security, and seamless client connectivity.
- Administer and enhance Cisco Identity Services Engine (ISE) for network access control, authentication, authorization, and profiling.
- Utilize Cisco Catalyst Center to support network automation, assurance, configuration management, and operational visibility across wired and wireless environments.
- Define and enforce network engineering standards, best practices, and design patterns.
- Lead network lifecycle activities including upgrades, migrations, expansions, and hardware refreshes.
- Create, maintain, and continuously improve standard operating procedures (SOPs), runbooks, and technical documentation.
- Mentor and provide technical guidance to junior and mid-level network engineers.
- Collaborate with security, infrastructure, and application teams to ensure stable and secure network integration.
- Participate in on-call rotation and provide expert-level support during critical network incidents.
Required Qualifications
- 7+ years of hands-on enterprise network engineering experience.
- Expert-level knowledge of Cisco enterprise networking technologies.
- Extensive experience with Palo Alto Networks firewalls in production environments.
- Strong operational experience with Cisco ISE, including NAC policy design and troubleshooting.
- Proficiency with Cisco Catalyst Center for wired and wireless network operations.
- Proven proficiency with enterprise wireless networking, including design, deployment, and troubleshooting.
- Advanced understanding of: Routing and switching protocols, Wireless RF fundamentals and client behavior, Network resiliency and high availability, Network security architecture and segmentation.
- Proven ability to troubleshoot complex, multi-domain network issues independently.
- Strong documentation skills, with experience authoring SOPs, standards, and operational guides.
- Proven ability to lead technical initiatives end-to-end with minimal oversight.
Preferred Qualifications
- CCIE (Enterprise, Security) or CCNP Enterprise, or equivalent demonstrated experience.
- Palo Alto Networks certifications (PCNSE preferred).
- Experience with enterprise wireless platforms (Cisco Wireless, including controller-based or SDA environments).
- Experience with network automation and scripting (Python, REST APIs, Ansible).
- Experience supporting large-scale or mission-critical enterprise environments.
- Familiarity with SD-Access and advanced campus architectures.