System Administrator

Enterprise Solutions and Management (ESM) is a rapidly growing government contractor that provides strategic IT services that meet mission needs for Defense and Federal customers. We are hiring a Systems Administrator for an exciting opportunity.

Job Description and Responsibilities

The successful candidate administers and maintains enterprise Windows, Linux, and Unix server environments supporting mission-critical applications and management information systems, including virtualized and cloud-based infrastructures within DoD/Army environments. Responsibilities include system configuration, patching, upgrades, performance monitoring, troubleshooting, identity and security management, backup and recovery operations, SAN and database administration (MS SQL, MySQL, Oracle), and automation using scripting languages such as PowerShell, Bash, Python, and Ruby. The successful candidate manages high-availability and scalable systems, load balancing, server virtualization, configuration management, and deployment processes while ensuring compliance with Government policies, cybersecurity requirements, records retention standards, and IT certification/accreditation procedures. Additional responsibilities include capacity planning, performance tuning, software and firmware deployments, user account administration, data integrity monitoring, disaster recovery support, and hardware/software issue resolution to maintain secure, reliable, and fault-tolerant enterprise IT operations.

Required Knowledge, Skills and Abilities (KSA)

• Knowledge of Windows, Linux, and Unix operating systems administration, including configuration, maintenance, patching, upgrades, troubleshooting, and virtual machine environment administration.
• Experience performing operating system event and performance monitoring, resolving system configuration issues, and maintaining network connectivity and throughput.
• Knowledge of operating system security, identity management, records re...