Senior System Administrator, DBA

talent's club

. Administer and maintain Linux servers in critical, high-availability environments .

Posted 10/9/2026full-timeRemote • BrazilSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in administering Linux servers and Oracle databases, with a strong focus on high-availability environments and virtualization technologies. Proficient in automation scripting and infrastructure monitoring, ensuring security and performance optimization.

Highest-signal resume keywords

Linux Server AdministrationOracle Database ManagementVirtualization (KVM, Proxmox, VMware)Automation Scripting (Bash, Python, Ansible)Infrastructure Monitoring (Zabbix, Nagios, Prometheus)

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Linux Server AdministrationOracle Database ManagementVirtualization (KVM, Proxmox, VMware)Automation Scripting (Bash, Python, Ansible)Infrastructure MonitoringStorage and SAN ManagementBackup and Recovery ProceduresPerformance TuningTroubleshootingCapacity Planning

Soft Skills

Team CollaborationClear Communication

Tools & Technologies

ZabbixNagiosPrometheusDockerKubernetesAWSOCI

Industry Keywords

High-Availability EnvironmentsVirtualized EnvironmentsInfrastructure AdministrationAI Tools and AgentsBusiness Continuity

Tech Stack

Tools & technologies

AnsibleAWSCloudDockerKubernetesLinuxOraclePrometheusPythonVMware

About the role

Key responsibilities & impact

Administer and maintain Linux servers in critical, high-availability environments
Administer virtualized environments using KVM, Proxmox, and VMware
Perform diagnostics, analysis, and performance tuning of servers, virtualization, storage, and systems
Install, configure, and manage Oracle databases
Ensure security, backup, recovery, and business continuity policies for the environments
Monitor logs, perform updates, apply patches, and remediate vulnerabilities
Administer and configure storage solutions, including EMC VNX and HP 3PAR
Support the planning and implementation of benchmarks, performance tests, capacity planning, and infrastructure blueprints
Identify and resolve infrastructure-related issues through structured troubleshooting
Develop and maintain automation routines using scripts and management tools
Provide remote support and collaborate with development, database, network, and other infrastructure teams
Evaluate and use AI tools and agents for automation, diagnostics, observability, and optimization of operational activities

Requirements

What you’ll need

Proven experience administering Linux servers (5+ years)
Experience administering virtualized environments, preferably with KVM, Proxmox, and/or VMware
Experience installing, configuring, and maintaining Oracle databases (5+ years)
Experience with troubleshooting, log analysis, and server and infrastructure monitoring
Knowledge of backup, restore, security, and environment recovery procedures
Experience with storage and SAN, volume, LUN, and multipathing concepts
Experience or interest in using generative AI and AI agents for infrastructure administration and automation
Ability to work as part of a team and communicate technical issues clearly and objectively
Experience working in high-availability and clustered environments
Intermediate English proficiency for reading, writing, and conversation
Bachelor’s degree in Information Technology, Computer Science, Software Engineering, or a related field
Experience as a System Administrator and Database Administrator
Knowledge of automation scripting (Bash, Python, Ansible, etc.)
Experience with monitoring tools (Zabbix, Nagios, Prometheus)
Familiarity with DevOps tools and practices (Docker, Kubernetes)
Familiarity with cloud platforms (AWS, OCI, etc.)

Benefits

Comp & perks

Laptop
Pluxee meal and food allowance (VA/VR)
Wellhub (formerly Gympass)
Health and dental insurance
Home office allowance