Job Posting Title: Network Engineer, Senior
Location: Dallas - Hospital
Additional Posting Details: Monday - Friday
Business hours and after hours as needed
Job Description: - Job Summary
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
