System Administrator III

William C Brown - Chantilly, VA

Part-time,Full-time - Mid Level

Chantilly, VA

Professional, Scientific, and Technical Services

About the position

The System Administrator III at William C Brown Inc is responsible for providing technical support for the intelligence customer's system test and integration lab, as well as the customer production environment. This role involves hands-on support for IT infrastructure, system administration, and technical assistance to on-site administrators. The position requires excellent troubleshooting skills, particularly with Cisco and Juniper devices, and a strong understanding of system monitoring and optimization.

Responsibilities

• Provide hands-on support for the IT infrastructure and technical assistance to on-site administrators.
• Prepare documentation and other technical deliverables with excellent writing skills.
• Troubleshoot Cisco and Juniper switches and routers.
• Organize and direct the configuration and operation of information management systems.
• Perform day-to-day system administration including system and resource optimization, and user assistance.
• Maintain servers and create and review monitoring reports and logs.
• Conduct daily system monitoring, verifying the integrity and availability of hardware and server resources.
• Provide hands-on guidance and training to junior staff.
• Apply OS patches for RHEL and Windows servers.
• Configure and add new services as required.
• Conduct ongoing performance tuning, hardware upgrades, and resource optimization.
• Perform regular security monitoring to identify vulnerabilities and possible intrusions.
• Set up and manage daily backup operations, ensuring successful backups of file systems and system data.

Requirements

• Must have a TS SCI CI poly security clearance.
• 16 years of experience in a related field, which can be a combination of work history and education.
• Compliance with Department of Defense (DoD) 8570 Information Assurance Technical (IAT) Level 2.
• Ability to process and analyze information and trouble calls submitted by customers.
• Ability to work with minimal supervision to perform complex technical tasks.
• Proficient in troubleshooting network routing and router/switches.
• Experience in building and operating Linux RHEL systems and MS Windows Server systems.
• Experience in managing virtual environments including virtual servers and routers.
• Understanding of DoD Risk Management Framework (RMF) information security requirements and standards.

Nice-to-haves

• Proficient in the use of Microsoft Office suite.
• Experience with automated tools and scripts to increase system administrator efficiency.
• Ability to conduct capacity and performance analysis.

Benefits

• Equal employment opportunity employer.