Network Engineer (Bi-lingual Korean/English)
Position Summary
Monitors, maintains, troubleshoots, and supports enterprise network infrastructure at the Samsung Biologics manufacturing facility, ensuring high availability in a 24x7 manufacturing environment. Works with experienced engineers, handles daily requests, participates in on-call rotation, and supports network implementation projects.
Responsibilities
- Maintain, troubleshoot, support Cisco switches/routers, PAN firewalls, F5 load balancers, Cisco wireless controllers/APs
- Proactively monitor network performance to meet internal SLAs
- Manage system requests/tickets including solution definition, deployment, documentation
- Provide onsite and after-hours support; participate in on-call rotation
- Assist in planning/executing infrastructure expansion, upgrades, equipment replacements
- Execute lab tests for validating solutions, bug fixes, impact analysis
- Coordinate with external vendors and ISPs for escalation, maintenance windows, RMA
- Support inventory management, hardware staging, peer reviews, audits, IP assignment
- Maintain documentation for LAN, Data Center, Wireless, firewalls, load balancers
- Generate weekly operations updates and ad-hoc reports
- Adhere to SOPs and change-control policies
Requirements
- Bi-lingual Korean/English
- Associate's degree in Computer Science, IT, or related field
- Current Cisco CCNA certification required
- 2–3 years hands-on experience supporting enterprise networks (switching/routing)
- Solid understanding of OSPF, EIGRP, BGP, DHCP, NTP, SNMP, STP, VRF, IPv4 subnetting, 802.1x, TACACS+, Cisco IOS/NX-OS
- Must live within 1-hour driving radius of Rockville, MD, with onsite flexibility
- Strong sense of responsibility, team-oriented mindset, excellent instruction-following skills
Preferred Qualifications
- Palo Alto Firewalls, F5 Load Balancer, or Cisco Wireless certifications
- 5+ years enterprise network operations experience
- Unix/Linux and scripting (Python, Ansible) for network automation