Our patients are our number one priority! We're committed to giving children back their childhood! Job Posting Title: Network Engineer, Senior Location: Dallas - Hospital Additional Posting Details: Monday - Friday Business hours and after hours as needed Candidates must be located in the Dallas-Fort Worth area or be willing to relocate upon hire Job Description: We are seeking a Senior Network Engineer to act as the lead technical authority for our enterprise network infrastructure. This role is deeply hands-on and responsible for driving network design standards, leading complex troubleshooting efforts, and executing high-impact engineering initiatives. The successful candidate will bring expert-level experience with Cisco enterprise networking, Palo Alto Networks firewalls, and advanced network services, along with proven proficiency in enterprise wireless networking. This role also plays a key part in developing standard operating procedures (SOPs) and mentoring other network engineering staff. This position is well aligned with a CCIE-level engineering role, requiring strong theoretical knowledge, practical implementation skills, and disciplined operational rigor. 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 • 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