Posted Nov 2, 2026

System Administrator - Senior

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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 System Administrator Senior to support an enterprise-level program within a federal environment.

Job Description and Responsibilities

Ensures the stable operation of the in-house computer software systems and network connections. This

includes planning, developing, installing, configuring, maintaining, supporting, and optimizing all network

software and communication links. Organizes and directs the configuration and operation of information

management systems. Analyzes and resolves end user software program and connectivity issues. Conducts capacity and performance analysis and provides system configuration change and upgrade

recommendations. Increases system administrator efficiency and accuracy via the use of automated tools

and scripts, develop system administrator procedures, and conducts system administrator training and

skills assessment. Provides end user training. Provides recommendations on technology direction to align

with business vision. Provides local and remote maintenance support to various operational systems

deployed at more than one location. Support includes general maintenance, upgrades, and new installs of

servers and applications. Directs the work of other system administrators to provide the day-to-day system administration to include system and resource optimization, and user assistance. Applies advanced technical knowledge of application networking, including load balancing applications, and ensuring fault tolerance. Performs vulnerability management.


Required Knowledge, Skills and Abilities (KSA)


Desired KSA




Minimum Training, Education, and Certifications



Minimum Clearance


Physical Requirements


Additional Requirements


ESM provides equal employment opportunity to all individuals regardless of race, color, creed, religion, gender, age, sexual orientation, national origin or ancestry, disability, genetic information, veteran status, gender identification or any other characteristic protected by state, federal or local law

BA/BS in technical discipline; 10+ years specialized system administration experience; Security+ and Azure Administrator Associate (AZ-104) certifications; Top Secret clearance; ability to lift 25 lbs and travel locally/remotely.

Key Responsibilities

Job Details

About Enterprise Solutions & Management Corporation

A government contractor providing strategic IT services to defense and federal customers. — Industry: Information Technology