Sr. Systems Engineer, Linux
Job in
Tustin, Orange County, California, 92781, USA
Listed on 2026-06-02
Listing for:
Virgin Galactic
Full Time
position Listed on 2026-06-02
Job specializations:
-
IT/Tech
IT Support, Systems Engineer, Systems Administrator, Cybersecurity
Job Description & How to Apply Below
The Senior Linux Engineer will report to the IT Manager, Cloud & Infrastructure and will be responsible for the reliability, security, performance, and lifecycle management of Linux-based systems and supporting infrastructure. This role will work closely with Information Security, Service Operations, and other IT teams to support production and internal environments. The ideal candidate is self-motivated, comfortable in a fast-paced environment, and experienced in diagnosing complex system-level issues.
** Responsibilities*
* + Install, configure, maintain, patch, and monitor Linux servers across multiple environments
+ Manage OS lifecycle activities including upgrades, security hardening, patch compliance, and vulnerability remediation
+ Administer core Linux services such as:
+ DNS, DHCP, NTP
+ SSH, SFTP
+ systemd services
+ cron / scheduled tasks
+ log management (rsyslog, journald)
+ Perform performance tuning and troubleshooting across CPU, memory, disk, file system, and network layers using standard Linux tooling (top/htop, iostat, vmstat, strace, lsof, tcpdump, etc.)
+ Manage and maintain storage and file systems (LVM, RAID, ext4/xfs, mounts, quotas, and backups)
+ Support server virtualization and/or cloud environments where applicable (Hyper-V, Azure, OCI, etc.)
+ Participate in monitoring and alerting improvements (e.g., Zabbix, Prometheus, Grafana, Splunk, ELK, Nagios, etc.)
+ Develop and maintain automation for provisioning, patching, and configuration management using scripting and tooling such as:
+ Bash, Python, Power Shell
+ Ansible, Puppet, or Chef
+ Provide Tier 3 escalation support for internal infrastructure issues and service outages
+ Work with third-party vendors and internal teams to coordinate problem resolution and root cause analysis
+ Maintain accurate and timely ticket updates, documentation, and status reporting in the ticketing system
+ Create and maintain internal documentation, standards, runbooks, and procedures
+ Provide guidance and mentorship to Service Operations and other support personnel
+ Participate in a rotating on-call schedule and respond to after-hours incidents as required
+ Travel to other company sites as needed for infrastructure support or deployments
+ Conduct themselves professionally when representing the team and organization
+ Work collaboratively to achieve goals and/or complete assigned tasks
+ Adhere to set directions and guidelines from team leader to support collaboration across teams to complete projects
+ Perform other duties as assigned by management
** Required Skills and Experience*
* + Typically requires bachelor's degree and/or equivalent level of experience with 8 years of hands-on experience in Linux Administration, Systems Administration, or Infrastructure Support in a company of 500+ employees (or equivalent combination of experience and education).
+ Strong working experience of Linux administration concepts including:
+ user/group management, permissions, sudo, SSH
+ package management (yum/dnf/apt), repositories, patching
+ system services (systemd), startup configuration
+ log analysis and troubleshooting
+ Solid understanding of networking fundamentals:
+ TCP/IP, routing basics, DNS, firewalls
+ troubleshooting connectivity using common tools (ping, trace route, netstat/ss, tcpdump)
+ Experience supporting enterprise environments with uptime, security, and compliance expectations
+ Ability to troubleshoot issues independently and drive resolution across multiple teams
+ Strong analytical and problem-solving skills with excellent attention to detail
+ Strong written communication skills, including documentation and ticket updates
+ Self-starter with the ability to work with little or no supervision
+ Strong time-management skills with the ability to multitask and manage priorities effectively
+ Effective collaborator across IT and other departments
+ Demonstrated commitment to professional development and continuous improvement
+
Experience with c…
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