Network/System Administrator (Net/Sys Admin) III - Gunsan, South Korea

General Dynamics
South Korea
Workplace: OnsiteFull timeUSD 93,662 - 108,560 annuallyFunction: IT Operations (Systems/Network Admin)Experience: 5+ yearsEducation: bachelorsSkills: ["Self-sustaining","Collaboration","Effective communication","Teamwork"]

Organize, install, and support government network and communications systems for Collateral, SCI, and SAP activities. Lead day-to-day network operations, implement cybersecurity-vetted capabilities, and manage continuous monitoring and SIEM tooling. Handle network/security assessments, incident support, and the creation of O&M checklists, TTPs, and SOPs. Manage COTS/GOTS products for security and performance metrics while ensuring confidentiality, integrity, and availability across classified environments.

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FursaFursa
General Dynamics
General Dynamics
5 days ago

Network/System Administrator (Net/Sys Admin) III - Gunsan, South Korea

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Last checked: 4 hours agoStatus: Live

Job Summary

Organize, install, and support government network and communications systems for Collateral, SCI, and SAP activities. Lead day-to-day network operations, implement cybersecurity-vetted capabilities, and manage continuous monitoring and SIEM tooling. Handle network/security assessments, incident support, and the creation of O&M checklists, TTPs, and SOPs. Manage COTS/GOTS products for security and performance metrics while ensuring confidentiality, integrity, and availability across classified environments.
Location: South Korea
Workplace: Onsite
Employment Type: Full time
Job Function: IT Operations (Systems/Network Admin)
Seniority: Mid level

Key Responsibilities

  • •Organize, install, and support network and data communication systems (LANs, WANs, intranets) for Collateral, SCI, and SAP activities.
  • •Lead day-to-day IT operations for networks and implement cybersecurity capabilities to maintain JSIG/RMF Authority to Operate and Continuous Monitoring tools/processes.
  • •Manage COTS/GOTS security and operations/performance products, including security assessments of servers/network devices/security appliances.
  • •Operate and monitor SIEM capabilities, creating/tailoring event alarms/rules and producing summary reports; execute cybersecurity operations procedures.
  • •Build and maintain operational O&M checklists, as well as TTPs and SOPs; support security incident response as needed and help integrate new techniques with ISSM/ISSO/ISSE.
Travel: Medium travel

Pay and Benefits

Salary: USD 93,662 - 108,560 annually
Perks:Health InsuranceDentalVision401kPaid LeaveParental Leave

Key Requirements

  • •5+ years of related experience, including 2+ years of SAP experience (no exceptions).
  • •Must currently possess TS/SCI clearance and be able to attain TS/SCI with CI polygraph.
  • •Thorough knowledge of Microsoft Windows desktop/server operating systems and Microsoft Exchange Server; ability to administer RHEL as needed.
  • •Working knowledge of CISCO networking/switching and virtualization technologies, plus LAN/WAN and data backup technologies.
  • •Group Policy design/configuration, WSUS and/or YUM patch deployment experience, and familiarity with DoD policy/RMF assessments.
Experience:5+ years
Education:Bachelor's
Skills:Self-sustainingCollaborationEffective communicationTeamwork
Certifications:IAT Level IIICISSPCASP+ CECCNP SecurityCISA
Tech Stack:Network AdministratorNetwork ArchitectureNetwork EngineeringMicrosoft Windows ServerActive DirectoryRed Hat Enterprise LinuxHyper-VVMWareESxXenEnterprise networkingFirewallsIntrusion detectionIntrusion preventionForensic analysisVulnerability assessmentGroup PolicyScriptingBMC FootprintsWSUS

Eligibility

Security Clearance:Top Secret/SCI

Company Brief

General Dynamics
Provides IT, systems engineering, cybersecurity, cloud, and mission support services to U.S. federal civilian and defense agencies, delivering large-scale technology solutions and managed services for national security and government operations.
Industry: Defense Technology
Company Size: Enterprise (1,001+ employees)
Growth: Established Company
Headquarters: Tysons / Fairfax, United States
WebsiteLinkedIn