Linux System Engineer

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Fulltime Permanent positionJob Title: Sr. System Engineer - Linux
Location - Onsite at any of the location: San Diego, CA , Centennial, CO , Omaha, NE , Irvine, C, ALos Angeles, CA, Edison, NJ , Overland Park, KS , Las Vegas, NV, New York, NY
Required:5+ years of experience in Linux AdministrationStrong expertise in Puppet (configuration management)Hands-on experience with VMware (vSphere, ESXi, vCenter)Experience in production support / incident managementScripting: Bash / PythonKnowledge of networking (TCP/IP, DNS) and storage systemsExperience with ITSM (incident/change management)
Preferred:RHCE / RHCSAVMware VCPPuppet Certified ProfessionalITIL
Job Description: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.Responsibilities:Linux AdministrationManage Linux/Unix systems (build, patching, performance tuning)Ensure system stability, security hardening, and uptimeSupport application teams with OS and middleware dependenciesParticipate in Major Incident (P1/P2) management and RCADrive automation to reduce manual recovery efforts like Bash / Python. xzbcwsv Puppet AutomationDevelop and maintain Puppet modules/manifestsAutomate server provisioning, patching, and application deploymentEnforce configuration standardization and drift remediation
VMware InfrastructureAdminister vSphere, ESXi, and vCenterProvision and manage Unix/Linux VMs and templatesSupport capacity planning, performance tuning, and DR (Zerto)
Security & ComplianceEnsure adherence to SOX, FFIEC, and internal security policiesPerform patching, vulnerability remediation, and access controlMaintain audit-ready documentation and compliance posture
Backup & DRSupport enterprise backup and DR solutionsParticipate in DR drills and failover testingEnsure high availability and no single point of failure
Change & OperationsExecute changes via ServiceNow (CAB, risk, rollback)Maintain runbooks, SOPs, and documentation.