Jr. Network Engineer (Bilingual- Korean) ---Rockville, MD

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

• 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
• Bilingual Korean skill highly preferred