Demo

System Administrator 2 with Security Clearance

RealmOne
Columbia, MD Full Time
POSTED ON 6/21/2026
AVAILABLE BEFORE 7/18/2026
Are you ready to KANGAROO into action at RealmOne?

RealmOne was built on the principle that people matter first and foremost. We believe in providing a strong work/life balance by investing in our employees and encouraging professional and personal growth. We do this by offering exceptional benefits, flexible schedules, and the tools necessary to achieve success through paid training, mentoring, and the opportunity to work alongside top-notch industry professionals.

Join us on this journey as we execute this mission-critical contract providing engineering support for system development, fielded systems, and labs spanning for enabled and high speed capabilities, satellite access solutions, and mission operations.

Your effort and expertise are crucial to the success and execution of this impactful mission. This opportunity supports an Enterprise IT contract with a team of Systems Administrators, Network Engineers, Systems Engineers and System Integration Technicians, responsible for the architecture, engineering, integration, operations, maintenance and sustainment of multi-level Enterprise IT environment.

Job Description:

  • Linux/Windows Senior Systems Administrator with extensive experience in RHEL/CentOS, VMWare VCenter Administration, ESXi CLI, Active Directory, Domain Name System, and Microsoft Exchange
  • Hadoop Administration.
  • Experience with TCP, IP and IP routing, LAN, WAN, VLANs, routers, bridges, and switches, and OSI model topology.
  • Experience with technical task order creation and oversight The Level 2 System Administrator shall possess the following capabilities:
  • Provide support for implementation, troubleshooting and maintenance of IT systems
  • Manage the daily activities of configuration and operation of IT systems
  • Provide assistance to users in accessing and using IT systems
  • Provide support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices, mobile devices, etc.
  • Provide support for the escalation and communication of status to agency management and internal customers
  • Optimize system operations and resource utilization, and perform system capacity analysis and planning
  • Provide in-depth experience in trouble-shooting IT systems
  • Provide detailed analysis and feedback to agency management and internal customers for escalated tickets
  • Provide support for the dispatch system and hardware problems and remains involved in the resolution process
  • Configure and manage Linux operating systems and installs/loads operating system software, troubleshoot, maintain integrity of and configure network components, along with implementing operating systems enhancements to improve reliability and performance Qualifications:
  • Ten (10) years experience as a SA in programs and contracts of similar scope, type, and complexity is required. Bachelor's degree in a technical discipline from an accredited college or university is required.
  • Five (5) years of additional SA experience may be substituted for a bachelor's degree. Certifications Required: *
  • IAT Level 2 Position requires active Security Clearance with appropriate Polygraph

Salary.com Estimation for System Administrator 2 with Security Clearance in Columbia, MD
$109,199 to $135,804
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