Senior Enterprise Network Engineer - Design, F5 & HA

Company Description

• Medical Insurance
• Vision Insurance
• 401(k)
• Paid Sick hours

Responsibilities:

• Design and Architect Enterprise Networks: Lead the planning and implementation of scalable, secure network infrastructures using Cisco Catalyst and Nexus platforms, tailored to support high-demand environments.
• Manage Advanced Routing & Switching Protocols: Configure and optimize complex routing protocols such as BGP, OSPF, EIGRP, and EVPN, ensuring efficient traffic flow and high availability across global sites.
• Implement and Maintain F5 Load Balancing Solutions: Deploy and manage F5 appliances, including custom iRules scripting, to ensure application resilience, performance, and intelligent traffic distribution.
• Troubleshoot Critical Network Issues: Serve as the escalation point for diagnosing and resolving L2/L3 connectivity problems, hardware failures, and VPN-related disruptions across enterprise systems.
• Secure Network Infrastructure: Enforce robust security practices using technologies like IPSec, 802.1x, TACACS+, and firewalls, while maintaining compliance with internal and external standards.
• Support Multicast and Manufacturing-Specific Protocols: Configure and maintain multicast technologies including PIM, MSDP, and Anycast-RP to support real-time data delivery in manufacturing environments.
• Lead Network Upgrades and Migrations: Drive hardware/software refreshes, network expansions, and migration projects with minimal downtime and maximum operational continuity.
• Collaborate Across Teams and Vendors: Interface with cross‑functional teams, ISPs, and hardware vendors to coordinate maintenance windows, resolve escalations, and manage RMA processes.
• Document and Standardize Network Operations: Maintain detailed network diagrams, configuration records, and SOPs to support audit readiness and streamline troubleshooting.
• Mentor and Develop Team Talent: Provide technical leadership and guidance to junior engineers, fostering a culture of continuous learning, accountability, and operational excellence.

Requirements/

Qualifications:

• Bachelor’s Degree in Computer Science, Information Technology, or a related field.
• 5+ years of hands‑on experience in large‑scale, enterprise‑class network operations, including planning, design, implementation, and support, with a focus on Cisco devices (Catalyst, Nexus), Firewalls, and Load Balancers.
• CCNP Enterprise or CCIE certification (current or expired within the last 3 years).
• Extensive experience with routing protocols and network technologies.
• Proficiency in troubleshooting complex network issues, including hardware, L3/L2 problems, application connectivity, and P2P VPN connections.
• Experience with PIM, MSDP, Anycast-RP, and Multicast in a manufacturing environment.
• Experience with Network Monitoring Tools.
• Strong customer focus, a sense of ownership, urgency, responsibility for network documentation, and a passion for mentoring team members.
• Must reside within a 1-hour drive of Taylor, TX.
• Willing and able to commute to the office 5 days per week.
• Bilingual in Korean and English

Preferred Qualifications:

• Experience supporting networks in large manufacturing environments, particularly within a 24/7 operational context.
• Expertise in high availability network environments.
• Strong background in server network connectivity (Teaming, VPC, LACP).
• Experience with F5 Load Balancing setups, including iRules.
• Experience with Packet Capture Analysis, SSL certificates.
• F5 Load Balancers or Palo Alto Firewalls certification, with at least 5 years of hands‑on experience.
• Familiarity with Unix/Linux and scripting in Python, Ansible, or other automation tools is a plus.

All your information will be kept confidential according to EEO guidelines.