Job Description
Title - Sr. Systems Engineer - Linux
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Location - San Diego, CA
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We are seeking an experienced Senior Systems Engineer to join our team. You will be responsible for managing and automating enterprise Linux/Unix platforms across VMware-based on-prem and hybrid environments. Ensures high availability, security compliance, and operational stability of mission-critical banking applications. You will also act as an L2/L3 System Engineer resource, working across IT Infrastructure teams in a regulated banking environment.
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Responsibilities:
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Linux Administration
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- Manage Linux/Unix systems (build, patching, performance tuning)
- Ensure system stability, security hardening, and uptime
- Support application teams with OS and middleware dependencies
- Participate in Major Incident (P1/P2) management and RCA
- Drive automation to reduce manual recovery efforts like Bash / Python.
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Puppet Automation
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- Develop and maintain Puppet modules/manifests
- Automate server provisioning, patching, and application deployment
- Enforce configuration standardization and drift remediation
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VMware Infrastructure
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- Administer vSphere, ESXi, and vCenter
- Provision and manage Unix/Linux VMs and templates
- Support capacity planning, performance tuning, and DR (Zerto)
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Security & Compliance
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- Ensure adherence to SOX, FFIEC, and internal security policies
- Perform patching, vulnerability remediation, and access control
- Maintain audit-ready documentation and compliance posture
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Backup & DR
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- Support enterprise backup and DR solutions
- Participate in DR drills and failover testing
- Ensure high availability and no single point of failure
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Change & Operations
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- Execute changes via ServiceNow (CAB, risk, rollback)
- Maintain runbooks, SOPs, and documentation.
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Requirements:
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- 5+ years of experience in Linux Administration
- Strong expertise in Puppet (configuration management)
- Hands-on experience with VMware (vSphere, ESXi, vCenter)
- Experience in production support / incident management
- Scripting: Bash / Python
- Knowledge of networking (TCP/IP, DNS) and storage systems
- Experience with ITSM (incident/change management)
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Preferred:
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- RHCE / RHCSA
- VMware VCP
- Puppet Certified Professional
- ITIL
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