Doosan

Network Engineer I

Doosan

full-time

Posted on:

Location Type: Office

Location: Bismarck • North Dakota • 🇺🇸 United States

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Job Level

Mid-LevelSenior

Tech Stack

Cyber SecurityDNSFirewallsSwitchingTCP/IPVoIP

About the role

  • Configure and install network devices and services (e.g., routers, switches, firewalls, access points, VPN, VoIP, DNS, DHCP).
  • Perform network maintenance and system upgrades including software updates, patches, and hot fixes to address security vulnerabilities.
  • Provide Level-2/3 support and troubleshooting to resolve issues.
  • Work within established configuration and change management policies to ensure awareness, approval, and success of changes made to the network infrastructure.
  • Design, implement, and maintain firewall configurations to ensure network is protected against unauthorized access and security threats.
  • Implement networks that adhere to company policy to secure company assets and personal information.
  • Apply OT security principles to protect operational technology networks and devices through proper segmentation and OT firewall configuration.
  • Keep the network functioning at optimal levels for a manufacturing environment, including implementation of redundancy, failover, and High Availability architecture.

Requirements

  • Bachelors Degree in Information Technology, Computer Science, Cybersecurity or related field or combination of degree and related experience.
  • 2-5 years of experience
  • Working knowledge of TCP/IP, routing, switching, and Wi-Fi standards.
  • Ability to troubleshoot network issues and identify problems at different layers of the network.
  • Demonstrate the ability to implement and support DNS, DHCP, VPN and VoIP services.
  • Ability to manage multiple projects, activities and tasks simultaneously.
  • Strong documentation skills.
  • Certification (desired, but not required) – Cisco CCNA/CCNP, Palo Alto PCNSA/PCNSE, CompTIA Network+/Security+.
  • Current experience in IT Infrastructure within a medium-sized network (LAN/WAN) including knowledge of Cisco networking equipment, networking protocols, and network management tools.
Benefits
  • Health insurance
  • Professional development opportunities
  • Paid time off
  • Flexible work arrangements

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard skills
network configurationnetwork installationfirewall configurationnetwork maintenancetroubleshootingTCP/IProutingswitchingDNSDHCP
Soft skills
project managementdocumentationproblem-solvingcommunicationmultitasking
Certifications
Cisco CCNACisco CCNPPalo Alto PCNSAPalo Alto PCNSECompTIA Network+CompTIA Security+