Senior System Administrator (MSO)

General Dynamics Information Technology
Livermore, CA
Public Trust: None
Requisition Type: Regular
Your Impact

Own your opportunity to support our nation's defense. Make an impact by connecting and securing critical operations across the globe, keeping our country safe and secure.

Job Description

Systems Administrator/Mission Support Operator - $10K Sign-on bonus

*Classified work and therefore must be on-site*

Mission Support Operator (MSO) provides 24/7, 365, 12hrs shift, Tier 1/2 operational support to end customers and users in the field/worldwide.

  • 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.

  • When an issue is identified, the MSO works to determine the cause of the problem, provide situational awareness and resolution to the user community.

  • Serve as first responder and ‘one-stop shop' for all site issues, requiring a broad level of knowledge of high priority systems across a multi-location enterprise.

  • This is similar to a civilian Emergency Operations Center for Police/Sheriff Department, but it is not the same; however, we action 911 notifications.

  • This is not a traditional Network Engineer or System Administration role; however, having either background speeds up training so you can be proficient in 6 – 12 months.

  • This role is "mission critical"; therefore, are demanding and challenging. This is NOT a role that can be trusted to be performed in a remote capacity, must be ON SITE.

  • Person, we seek must have a solid Information Technology foundation.

  • Panama Shift Schedule | 24/7 Shift Coverage.

  • Panama Shift is a rotating shift pattern that uses multiple teams and two 2-hr shifts to provide 24/7 coverage. The working and non-working days typically follow this pattern: 2 days on, 2 days off, 3 days on, 3 days off. Each team may work the same shift (day or night) for 2-3 months then switches over to the other shift for the next 2-3 months. The rotation helps ensure equity regards to work life balance for all members of team.

Other duties include:

  • Monitoring, recognition, evaluation, and correction of IT systems, network, and satellite ground stations. ​

  • Interfacing with the user community, Mission Directors, System Administrators, Network Engineers, external sites, and other system operators as required for real-time detection, isolation, and resolution of problems.

  • 24/7/365 Operational Support to customers and users in the field

  • Utilize SolarWinds, Splunk, WireShark (and other monitoring tools) to monitor internal and external hardware, software, network connectivity, status IT infrastructure (utilizing ping, SNMP traps, customer scripts) – and utilizing established TTP's to respond to issues

  • 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, also perform inspections on critical hardware and infrastructure.​

  • 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 (response defined in minutes).​

  • Participate in internal and external scheduled exercises.​

  • Create, maintain, and update SOP/TTP documentation

Required Qualifications

  • 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.

  • Have a 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.

Required Education/Certifications

  • DoD 8570 Compliant Certifications are required

GDIT IS YOUR PLACE:
● 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

OWN YOUR OPPORTUNITY
Explore a career in intelligence at GDIT and you’ll find endless opportunities to grow alongside colleagues who share your passion for securing the mission.

#Armajobs

#armajobs

Work Requirements

Years of Experience

8 + years of related experience

* may vary based on technical training, certification(s), or degree

Certification

CompTIA Security+ CE | CompTIA - CompTIA

Travel Required

Less than 10%

Citizenship

U.S. Citizenship Required

Posted 2026-03-27

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