Demo

System Administrator III

Reflexive Concepts
Fort Meade, MD Full Time
POSTED ON 8/5/2025 CLOSED ON 9/5/2025

What are the responsibilities and job description for the System Administrator III position at Reflexive Concepts?

Responsibilities

Reflexive Concepts is seeking a System Administrator III to join our team! Specifically, we're looking for someone who will be responsible for the following:

  • Administration of various versions of RHEL and CentOS.
  • Splunk administration and integration Splunk with customer Enterprise solutions.
  • Manage various SIEM platforms and content creation.
  • Python development, debugging and maintenance.
  • Create custom parsers for security and audit logs.
  • Develop custom rules for alerting on various security use cases.
  • Develop visualizations and content for security and audit logs.
  • Configure Kafka cluster for message transfer.

Requirements:

  • Fifteen (15) years experience as an 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
  • AWS experience to include installation and configuration of virtual machine, s2/storage.
  • Experience with Docker, Kubernetes, Ansible, along with SPLUNK
System Administrator III
DigiFlight -
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