By Light Professional IT Services

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Systems Administrator

Systems Administrator

# of Openings 
Job Locations 
US-TX-San Antonio
Posted Date 
Information Technology

More information about this job


By Light is seeking a Systems Administrator with virtualization experience. The selected candidate will become a member of the team dedicated to the migration and administration of existing virtual and physical server environments to a hosted cloud environment. The target applications and systems are a part of a large-scale enterprise-level environment that forms the core of several Department of Veterans Affairs (VA) critical applications and support systems. The candidate will be responsible for administering VMWare vSphere environments, Amazon AWS environments, and Microsoft Azure environments. The candidate will also provide general Systems Administration and technical support as required to migrate existing applications and infrastructure from existing environment to cloud environments.


By Light is an IT products and services firm specializing in software development, satellite/terrestrial communications, cyber security, and network engineering/design. Headquartered in Arlington, VA, we provide support worldwide to DOD, Federal Civilian, and Health IT customers.


  • Installs and configures hardware and software necessary to support database and web systems and enterprise virtual serves and hosted applications
  • Installs, configures and maintains virtual servers and virtual infrastructure in a centralized and/or distributed computing environment using Amazon Web Services (AWS) and Microsoft Azure
  • Provides sys admin support for application migrations into AWS and Azure cloud environments
  • Designs, configures and administers disaster recovery systems and services to include replication of data to a continuity of operations (COOP) location
  • Resolves hardware/software interface and interoperability problems
  • Installs/Configures/Maintains Enterprise storage area network (SAN)
  • Manages the installation and integration of system fixes, updates, and enhancements
  • Manages system accounts, network rights, and access to systems and equipment
  • Manages systems resources including performance, capacity, and availability
  • Ensures systems availability, functionality, integrity, and efficiency
  • Manages, administers, and ensures security, maintenance, and operation of database systems
  • Designs, maintains, updates, analyzes and monitors data integrity and security of computer databases and ensures that the databases support application requirements
  • Evaluates performance and capacity problems
  • Establishes and disseminates standard procedures and technical guidance

Required Experience/Qualifications

  • Bachelor’s Degree in computer information systems, computer science, electronics engineering, or other engineering or technical discipline plus 5 years relevant work experience or 8 years relevant work experience without related technical degree.
  • Windows and Linux Systems Administration experience
  • VMWare vSphere experience
  • Citrix experience
  • Experience with SAN storage solutions
  • Strong understanding of computer networking
  • Understanding of database management systems
  • Microsoft Windows Server 2012 & 2008 Administration
  • Experience with applications in a virtual environment (installation, clustering, maintenance routines, backup methodologies, and performance tuning)

Preferred Experience/Qualifications

  • Amazon AWS and Microsoft Azure Cloud Certification preferred
  • Department of Veterans Affairs experience desired

Special Requirements/Security Clearance

  • Candidate must meet eligibility requirements for obtaining TS or High BI security clearance


An Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities