Senior Systems Administrator - Military veterans preferred

2025-06-05
CALIBRE Systems Inc
Other

/yr

  employee   contract


Alexandria
Virginia
22310
United States

Senior Systems Administrator
RAS 5126-585

CALIBRE is an employee-owned mission focused solutions and digital transformation company.

We are seeking a highly experienced Senior Systems Administrator (Key Personnel) to support and optimize enterprise-level software systems and network infrastructure. The ideal candidate will be responsible for ensuring the stability, reliability, and performance of in-house systems, while also directing and mentoring other system administrators in a dynamic, multi-site environment.

Responsibilities:

  • Plan, install, configure, maintain, and optimize software systems and communication links.
  • Analyze and resolve end user software and connectivity issues across multiple locations.
  • Conduct capacity and performance analysis and recommend system upgrades and configurations.
  • Develop automated tools and scripts to increase administrative efficiency and accuracy.
  • Create system administrator procedures and provide training and skills assessments.
  • Provide on-site and remote maintenance support for servers and deployed applications.
  • Direct the day-to-day work of other systems administrators, ensuring resource optimization and user support.
  • Provide strategic technology recommendations to align with organizational goals.
  • Apply advanced knowledge of application networking, load balancing, and fault tolerance.
  • Conduct vulnerability management and ensure secure system configurations.

  • Bachelor of Arts or Bachelor of Science in a technical discipline.
  • Minimum of 10 years of specialized experience in information processing, with at least 4 years of hands-on experience installing, configuring, maintaining, and troubleshooting software systems.
  • DoD 8570 Baseline Certification: IAT Level I (required if assigned “Privileged” access duties).
  • Active DoD Secret Clearance required.
  • Must possess IT-II Non-Critical Sensitive security clearance or Tier 3 (T3) at the time of proposal submission.


Alexandria, Virginia, United States

Full-Time/Regular

Equal Opportunity Employer, including disability/protected veterans



Equal employment opportunity, including veterans and individuals with disabilities.

PI272806769