Sr. Network Engineer - Bilingual (English/Korean)

Woongjin, Inc • Austin, TX

84d • $110,000 - $125,000

About The Position

WOONGJIN, Inc. is seeking a highly skilled Network Engineer to join our rapidly growing team. The ideal candidate will be responsible for designing and architecting enterprise networks, managing advanced routing and switching protocols, implementing and maintaining F5 load balancing solutions, and troubleshooting critical network issues. This role requires a strong focus on security practices and collaboration across teams and vendors to ensure operational excellence. The position offers a competitive salary range of $110k - $125k per year, depending on experience.

Requirements

• Bachelor’s Degree in Computer Science, Information Technology, or a related field.
• 10+ 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.

Nice To Haves

• 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.

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.

Benefits

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

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: Bachelor's degree
• Number of Employees: 11-50 employees