This position is local telework eligible to local Hampton Roads area.

Incumbents of this position must be U.S. Citizens.

Job Summary: Senior administrator, responsible for installation, configuration, and support of all legacy Linux, Windows, and ESX servers within a large retail enterprise environment requiring 24 X 7 uptime. Responsibilities include building, installing, and configuration of all Windows based physical and virtual servers, deploying and testing OS, virus updates, patches and performance tuning.

Duties and Responsibilities:

- Acts as senior administrator for legacy Linux, Windows, and ESX server operations. Responsible for building, installation, and configuration of all legacy Linux, Windows, and ESX servers. Applies patches, fixes, hardware and software upgrades and physical to virtual migrations. Plans upgrades and coordinates with users.

- Performs research and analysis for platform determination for project related implementation life cycle replacements.

- Provides support for legacy Linux and Novell E-Directory systems during conversion to Active Directory.

- Troubleshoots legacy Linux, Windows and ESX server and OS issues. Independently utilizes all available resources (knowledge bases, online resources, etc.) to ensure timely resolution of server issues. Works with junior staff members to provide guidance and assistance as needed.

- Provides monitoring and maintenance of all security related events (anti-virus programs, security patches, IAVA installs, operating system patches & upgrades). Responsible for remediation and documentation of all vulnerabilities reported by monthly Retina scans.

- Develops operating procedures for system administration activities including system monitoring, performance tuning, backup/recovery, server architecture design and system maintenance.

- Ensure/implement the rigorous application of Information Security/Information Assurance policies, principles, and practices in the delivery of Systems, Applications and/or Services (Hardware & Software). Applying Security Technical Implementation Guide (STIG) and Payment Card Industry (PCI) requirements to legacy Linux, Windows, and ESX Servers. Writing and maintaining STIG documentation according to established standards.

- Performs regular system maintenance, backups, hardware and software upgrades, physical to virtual migrations and performance tuning.

- Interfaces with Network Engineers, Storage Engineers, Database Administrat