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From the employer's careers site First seen 25 Oct 2026

Senior System Administrator (MSO)

GDIT Livermore, CA On-site senior full-time

Salary

$111,155 - $150,385 per year

Apply on GDIT

Description

We are seeking a Senior System Administrator (MSO) to provide 24/7, 365, 12-hour shift, Tier 1/2 operational support to end customers and users in the field/worldwide.

The successful candidate will have a solid Information Technology foundation and 8+ years of related experience in IT/Network administration and support.

Responsibilities:

  • Monitor the performance and capacity of end-to-end IT computer systems using a variety of specialized software applications/tools.
  • Triage hardware, software, and environmental faults, alerts, or malfunctions.
  • Understand the basic principles of Mobile Phone and Radio Frequency Spectrum/technology.
  • Determine the cause of problems, provide situational awareness, and resolution to the user community.
  • Serve as first responder and ‘one-stop shop' for all site issues.
  • Utilize SolarWinds, Splunk, WireShark (and other monitoring tools) to monitor internal and external hardware, software, network connectivity, status IT infrastructure.
  • Provide support to Networking team, including Layer 1/2/3 type activities and documentation/design.
  • Perform analysis (in both real-time and post-event) on key mission capabilities and provide feedback to internal and external customers.
  • Maintain a positive, professional, and helpful working relationship with our customers.
  • Perform daily, weekly, monthly, and quarterly functional checks on systems and capabilities.
  • Provide support to the Engineering staff for testing and validation of new software releases and network connections.
  • Support Configuration Management functions (Incidents, Assets) utilizing BMC Remedy.
  • Respond to customer voice and electronic support requests.
  • Respond to real-time, mission-critical situations.
  • Participate in internal and external scheduled exercises.
  • Create, maintain, and update SOP/TTP documentation.

Requirements:

  • 8+ years of directly related experience in IT/Network administration and support.
  • TS/SCI or DoE Q Clearance.
  • Experience with monitoring tools such as SolarWinds, Splunk, or WireShark.
  • Working knowledge of critical physical infrastructure (including HVAC, Power, UPS, etc.) that is utilized to support mission operations.

Desired Qualifications:

  • Experience with Linux and Windows system administration and networking background is preferable.

Benefits:

  • 401K with company match
  • Comprehensive health and wellness packages
  • Internal mobility team dedicated to helping you own your career
  • Professional growth opportunities including paid education and certifications
  • Cutting-edge technology you can learn from
  • Rest and recharge with paid vacation and holidays

Skills

Required

  • SolarWinds
  • Splunk
  • WireShark
  • IT Networking
  • Networking

Nice to have

  • Linux
  • Windows system administration

Ready to apply?

You apply with the employer directly. Their original posting is here: https://gdit.wd5.myworkdayjobs.com/en-US/External_Career_Site/job/USA-CA-Livermore/Senior-System-Administrator--MSO-_RQ229277-1

Apply on GDIT