- Company Name
- Red Oak Technologies
- Job Title
- Senior Network Engineer
- Job Description
-
**Job Title:** Senior Network Engineer
**Role Summary:**
Design, implement, and maintain high‑availability enterprise networks for a manufacturing environment. Lead technical troubleshooting, network upgrades, and collaboration with Korean‑speaking vendors. Ensure secure, scalable, and resilient connectivity across Cisco Catalyst/Nexus platforms, F5 load balancers, and related security technologies.
**Expectations:**
- Fully fluent in Korean and English.
- Operate onsite 5 days per week, within the designated region.
- Maintain comprehensive documentation (8D reports, SOPs, network diagrams, incident logs).
- Mentor junior staff and promote best practices.
**Key Responsibilities:**
- Architect and deploy enterprise networks using Cisco Catalyst and Nexus.
- Configure and tune routing protocols: BGP, OSPF, EIGRP, EVPN.
- Manage F5 Load Balancers, including iRules development.
- Serve as escalation lead for complex L2/L3 issues, VPNs, and hardware failures.
- Implement network security: IPSec, 802.1X, TACACS+, firewalls.
- Support multicast technologies for manufacturing (PIM, MSDP, Anycast‑RP).
- Lead network migration, upgrade, and expansion projects with minimal downtime.
- Coordinate with ISPs, vendors, and internal teams on RMAs, escalations, and production support.
- Document all changes, produce incident reports, and maintain SOPs.
**Required Skills:**
- 8+ years of enterprise network engineering experience.
- Deep expertise with Cisco Catalyst/Nexus, routing, switching, multicast, VPN.
- Hands‑on firewalls and F5 Load Balancer administration.
- Experience in Samsung Semiconductor or similar manufacturing environment (required).
- Strong troubleshooting of complex hardware, L2/L3, and application connectivity.
- Familiarity with network monitoring tools and packet capture analysis.
- Ability to communicate effectively with Korean‑speaking vendors.
**Required Education & Certifications:**
- Bachelor’s degree in Computer Science, IT, or related field.
- CCNP Enterprise or CCIE (current or expired within last 3 years).
- Bilingual Korean/English proficiency.
**Preferred Qualifications (not mandatory but advantageous):**
- 24/7 production environment experience.
- High‑availability network design expertise.
- Server networking (VPC, LACP, NIC teaming).
- Advanced F5 (iRules), Palo Alto, or related certifications.
- Linux/Unix familiarity and automation skills (Python, Ansible).