Jr. Network Engineer - Bilingual (English/ Korean)

Woongjin•Rockville, MD

2d•Onsite

About The Position

WOONGJIN, Inc. is seeking a passionate Junior Network Engineer to join their Network Operations Team at the company's manufacturing facility in Rockville, MD. This role involves monitoring, maintaining, troubleshooting, and supporting enterprise network infrastructure to ensure high availability in a 24x7 manufacturing environment. The engineer will handle daily system requests, participate in an on-call rotation, and support network implementation projects. The ideal candidate is proactive, eager to learn, adheres strictly to standard operating procedures (SOPs), and communicates effectively across all organizational levels.

Requirements

Associate's degree in Computer Science, Information Technology, or a related field.
Current Cisco CCNA certification is required.
2–3 years of hands-on experience supporting enterprise networks (specifically switching and routing).
Solid understanding of networking protocols: OSPF, EIGRP, BGP, DHCP, NTP, SNMP, STP, VRF, IPv4 subnetting, 802.1x, TACACS+, Cisco IOS, and Cisco NX-OS.
Must live within a 1-hour driving radius of Rockville, MD, and have the flexibility to work onsite at the company facility.
Strong sense of responsibility, team-oriented mindset, and excellent instruction-following skills.

Nice To Haves

Palo Alto Firewalls, F5 Load Balancer, or Cisco Wireless certifications.
5+ years of experience in an enterprise network operations role.
Familiarity with Unix/Linux environments and scripting capabilities (Python, Ansible, etc.) for network automation.
Bilingual Korean Skill highly preferred.

Responsibilities

Maintain, troubleshoot, and support critical network devices (Cisco switches/routers, PAN firewalls, F5 load balancers, Cisco wireless controllers/APs).
Monitor network performance constantly to escalate and resolve issues meeting internal Service Level Agreements (SLAs).
Manage system requests and tickets including solution definition, deployment, and documentation for internal customers.
Provide onsite and after-hours support as required, including active participation in the team's on-call rotation.
Assist in planning and executing infrastructure expansion, hardware/software upgrades, and equipment replacements.
Execute lab tests for validating technical solutions, bug fixes, and impact analysis.
Work with external vendors and ISPs for issue escalation, maintenance windows, and RMA processing.
Support inventory management, hardware staging, peer reviews, audits, and IP address assignment.
Maintain comprehensive documentation for LAN, Data Center, Wireless, firewalls, and load balancers.
Generate weekly operations updates and ad-hoc reports required by management.
Adhere strictly to company checklists, standard operating procedures (SOPs), and corporate change-control policies.