Senior System Administrator (MSO)

Company : General Dynamics Information Technology
Location : Livermore, CA
Posted Date : 11 October 2025
Job Type : Other
Category : IT Operations & Helpdesk
Occupation : System Administrator
Job Details
Systems Administrator/Mission Support Operator
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.
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 the 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.
Required Education/Certifications DoD 8570 Compliant Certifications are required.
Desired Qualifications Experience with Linux and Windows system administration and networking background is preferable.
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