Network Administrator

DNI (Delaware Nation Industries); Oklahoma City (OK); On-site; USD 70,000 - 90,000; Full time

Job summary

DNI is seeking an experienced IC SN Admin to provide dedicated support for an isolated ICS LAN. This role administers Windows workstations, servers, and IC devices, monitors connectivity, troubleshoots issues, and ensures operational availability of critical infrastructure.

You will perform server administration, backups, disaster recovery, security updates, and documentation across the IC network, with DoD-aligned practices and STIGs.

Qualifications

• Active or Interim DoD Secret Clearance required.
• Valid Driver’s License.
• Strong written and verbal communication skills.
• 2+ years of experience in Windows Administration.
• Ability to perform vigorous physical activity in various environments.

Responsibilities

• Perform server administration, data backup and recovery, and maintain contingency plans and disaster recovery procedures.
• Monitor and maintain IT equipment, perform preventive maintenance, and manage documentation for operating systems, COTS software, customer applications, and supporting IT infrastructure.
• Provide day-to-day network administration support for the isolated IC LAN, including maintenance and troubleshooting of Windows workstations and connected devices.
• Monitor and evaluate device connectivity across the IC network; identify, troubleshoot, and provide rapid remediation for systems and devices.
• Serve as the Functional Systems Administrator (FSA) for assigned customer systems and applications.
• Responsible for the setup, configuration, imaging, and ongoing maintenance of Windows workstations.
• Maintain system security by applying patches and updates, performing security checks, vulnerability remediation, and reporting security incidents in accordance with government and DoD regulations.
• Troubleshoot Microsoft Windows operating systems, roles, features, and applications.
• Provide base-wide network connectivity support for computers and devices on the IC network.

Skills

Windows Administration

Clearance

Communication skills

Driver's License

Troubleshooting

Job description

DNI is seeking an experienced IC SN Admin to provide dedicated support for an isolated Industrial Control Systems (ICS) Local Area Network (LAN). This position is responsible for the daily administration, maintenance, security, and reliability of Windows workstations, servers, and IC-connected devices. The administrator will monitor system connectivity, rapidly troubleshoot and remediate issues, and ensure the operational availability of critical infrastructure.

Key Responsibilities

• Perform server administration, data backup and recovery, and maintain contingency plans and disaster recovery procedures.
• Monitor and maintain IT equipment, perform preventive maintenance, and manage documentation for operating systems, Commercial Off-The-Shelf (COTS) software, customer applications, and supporting IT infrastructure.
• Provide day-to-day network administration support for the isolated IC LAN, including maintenance and troubleshooting of Windows workstations and connected devices.
• Monitor and evaluate device connectivity across the IC network; identify, troubleshoot, and provide rapid remediation for systems and devices.
• Serve as the Functional Systems Administrator (FSA) for assigned customer systems and applications.
• Responsible for the setup, configuration, imaging, and ongoing maintenance of Windows workstations.
• Maintain system security by applying patches and updates, performing security checks, vulnerability remediation, and reporting security incidents in accordance with government and DoD regulations.
• Troubleshoot Microsoft Windows operating systems, roles, features, and applications.
• Provide base-wide network connectivity support for computers and devices on the IC network.

Required Qualifications

• Valid Driver’s License
• Active or Interim DoD Secret Clearance
• Strong written and verbal communication skills
• 2+ years of experience in Windows Administration
• Ability to perform vigorous physical activity in various environments (ladders, roofs, tight spaces, etc.)

Preferred Experience and Skills

• Experience working in a U.S. Air Force IT environment
• Experience implementing and maintaining secure operating systems, including:
• Knowledge of NIST 800 Series
• Applying Security Technical Implementation Guides (STIGs)
• Remediating Common Vulnerabilities and Exposures (CVEs) on workstations