System Administrator (S) - Senior

The One 23 Group - Fairfax, VA

Full-time - Senior

Fairfax, VA

About the position

The System Administrator - Senior at The One 23 Group is responsible for managing and maintaining the organization's IT infrastructure, ensuring the availability and performance of systems and applications. This role involves troubleshooting, server administration, and supporting various software and hardware components, with a focus on delivering high-quality service to clients in the government sector.

Responsibilities

• Troubleshoot Microsoft Windows workstation and network issues on a daily basis.
• Perform server administration, including executing admin console commands and supporting server builds and upgrades as required.
• Assist in monitoring and maintaining servers to ensure service availability for end users.
• Support application upgrades and repairs, including Windows/BlackBerry AtHoc Installation Warning System (IWS)-Alerts quarterly as needed.
• Troubleshoot and repair operating system and hardware issues as they arise.
• Perform weekly database updates and monthly health checks on databases.
• Maintain a log of system problems, errors, failures, and downtime metrics.
• Assist the Infrastructure Service Provider (ISP) in installing OS and application upgrades quarterly as needed.
• Troubleshoot and repair all software issues on a daily basis.
• Train customers on proper software usage daily as needed.
• Assist ISP with installation of security patches (IAVAs) weekly as needed.
• Create accounts and set up user-specific access daily as needed.
• Ensure customer log on daily as needed.
• Maintain group policies and procedures monthly.
• Update/create tables, fields, relationships, and indexes as needed.
• Acquire system accreditations monthly.
• Conduct audit and log reviews weekly as needed.
• Ensure personnel comply with system security policies daily as needed.
• Submit requirements within Service+ for infrastructure provisioning.

Requirements

• 10+ years of related field or work experience.
• Knowledge of Microsoft SQL Server Administration.
• Knowledge of MS Exchange Server 2019 administration.
• Knowledge of Windows 10, Server 2016, 2019, and 2022 operating systems.
• Knowledge of Blackberry AtHoc IWS-Alerts software administration.
• Knowledge of Microsoft Windows Server Administration.
• Possession of at least one relevant certification such as Microsoft Systems Administrator Certification, Microsoft Active Directory, DNS, and DHCP, or RSA Authentication Management.

Nice-to-haves

• Experience with Intelligence Community's Certification & Accreditation process.
• Knowledge of using Xacta 360.
• Printer network support and maintenance.