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General Dynamics Information Technology

Builds and runs technology for government agencies

Network/System Administrator 3

System Administration +1Confirmed live in the last 24 hours
Full-timeGunsan-si, Jeonbuk State, South Korea$93.7k - $108.6k

About the Job

Requirements

  • At least 5 years of related experience.
  • At least 2 years of SAP experience is required.
  • Must hold an IAT Level III certification, such as CISSP, CASP+ CE, CCNP Security, or CISA.
  • Must possess Top Secret/SCI clearance and be able to attain TS/SCI with CI polygraph.
  • Must be a U.S. citizen.
  • Must have a bachelor's degree in a related area, an associate's degree in a related area plus 2 years of experience, or equivalent experience of 4 years.
  • Thorough knowledge of Microsoft Windows desktop and server operating systems, Microsoft Exchange Server, and, as needed, RHEL operating systems administration and associated hardware.
  • Knowledge of Group Policy design and configuration.
  • Working knowledge of Cisco networking and switching and virtualization technologies.
  • Working knowledge of virtualization as it applies to user environments, operating systems, and network appliances.
  • Working knowledge of LAN and WAN technologies and data backup technologies.
  • Working knowledge of COMSEC policies and integration.
  • Working knowledge of Risk Management Framework, Common Criteria, and System Security Policy as they relate to assessments and authorization.
  • Working knowledge and current relevant experience with PL2, PL3, and PL4 network environments and systems.
  • Working knowledge of WSUS and/or YUM patch deployment methodologies.
  • Must be familiar with DoD policy as it applies to implementing and executing system and network administration.
  • Working knowledge of Risk Management Framework and how to apply it to network and information system environments.
  • Ability to work independently with little to no oversight.
  • Ability to communicate and collaborate in a team environment.
  • Advanced technical competency in one or more of the supported platforms and technologies listed in the posting, including Windows Server, Active Directory, Red Hat Enterprise Linux, Hyper-V, VMware, ESX, Xen, enterprise networking, firewalls, intrusion detection and prevention, forensic analysis, vulnerability assessment, Group Policy, scripting, BMC Footprints, WSUS, Lumension, BitLocker, SQL Server, Tomcat, IIS, Windows 10, Red Hat 6.5, Microsoft Office Toolkits, SIEM tools including LogRhythm, ACAS/Nessus/SCAP, mandatory and role-based access control, video teleconferencing/VoIP, Oracle and Microsoft SQL database security, and Apache/IIS web server security.

Responsibilities

  • Organize, install, and support government computer systems, including LANs, WANs, network segments, intranets, and other data communication systems.
  • Help architect, design, and analyze network models.
  • Participate in decisions about purchasing future hardware or software to upgrade the organization's infrastructure.
  • Provide technical support to computer users to help resolve problems as needed.
  • Support day-to-day Collateral, SCI, and SAP activities.
  • Lead the IT operations team in day-to-day network management and operations, and implement capabilities vetted through Cybersecurity, ISSE, and higher headquarters to maintain JSIG/RMF Authority to Operate and continuous-monitoring tools and processes.
  • Manage commercial off-the-shelf and government off-the-shelf products to collect, display, and remediate automated system-security and system-operations/performance functions and metrics.
  • Assist with security assessments of servers, network devices, and security appliances, including improving assessment accuracy and efficiency.
  • Create operational O&M checklists for daily, weekly, monthly, and yearly service maintenance; build TTPs and SOPs associated with service checklists.
  • Manage and operate monitoring tools and capabilities with the enterprise SIEM, and create or tailor complex event alarms, rules, and summary reports.
  • Execute cybersecurity operations procedures for day-to-day network management, operations, and maintenance.
  • Monitor and analyze cybersecurity tool output for reportable security incidents and residual risk.
  • Assist in analyzing technical risk of emerging cybersecurity tools and processes upon request.
  • Participate in the security incident response team as needed.
  • Assist ISSM, ISSO, and ISSE personnel with integrating and developing new techniques to improve confidentiality, integrity, and availability for networks and systems at various classification levels.

About the Company

General Dynamics Information Technology

Builds and runs technology for government agencies

GDIT builds and runs technology systems for U.S. government agencies, including defense, intelligence and civilian organizations. Its work spans cloud infrastructure, cybersecurity and software development, with tools tailored to sensitive missions and large agency operations. The company combines its own reusable technology solutions with commercial products, then earns revenue through contracts to design, integrate, modernize and operate customer systems, including support for both classified and unclassified networks. It also supplies technical expertise and daily operational support, and is a business unit of General Dynamics headquartered in Falls Church, Virginia.

Company size
10,001+
Company stage
Not listed
Total funding
Not listed
Headquarters
Falls Church, VA
Founded
1999

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