System Administrator/DBA Sênior

<h3>Accountabilities:</h3><li>
<strong>Manage Linux infrastructure:</strong>Administer, maintain, and optimize Linux servers in critical production environments, ensuring system reliability, availability, security, and operational continuity.</li><li>
<strong>Administer virtualized environments:</strong>Configure and maintain virtual machines, hypervisors, and virtualization infrastructure using technologies such as KVM, Proxmox, and VMware.</li><li>
<strong>Manage Oracle databases:</strong>Install, configure, maintain, and optimize Oracle database environments, ensuring performance, stability, availability, and data integrity.</li><li>
<strong>Monitor and optimize system performance:</strong>Diagnose performance issues across servers, virtualization platforms, storage systems, and operating environments, implementing appropriate tuning and optimization measures.</li><li>
<strong>Ensure security and resilience:</strong>Implement and maintain security policies, backups, restoration procedures, disaster recovery practices, and business continuity measures.</li><li>
<strong>Monitor infrastructure health:</strong>Analyze system logs, monitor infrastructure performance, apply software updates and security patches, and address vulnerabilities proactively.</li><li>
<strong>Manage enterprise storage solutions:</strong>Configure and maintain storage infrastructure, including technologies such as EMC VNX and HP 3PAR, working with SAN architectures, volumes, LUNs, and multipath configurations.</li><li>
<strong>Support capacity planning and benchmarking:</strong>Contribute to infrastructure capacity planning, performance benchmarks, technical testing, and the development of infrastructure blueprints to support evolving business requirements.</li><li>
<strong>Troubleshoot complex technical issues:</strong>Investigate infrastructure incidents systematically, identify root causes, implement corrective actions, and minimize service disruptions.</li><li>
<strong>Develop automation solutions:</strong>Create and maintain scripts and automated operational routines to improve infrastructure administration, consistency, and efficiency.</li><li>
<strong>Collaborate across technical teams:</strong>Provide remote technical support and work closely with development, database, networking, and infrastructure professionals to resolve issues and maintain service quality.</li><li>
<strong>Leverage AI and intelligent automation:</strong>Evaluate and apply generative AI tools and AI agents to support infrastructure administration, diagnostics, observability, troubleshooting, and operational optimization.</li><li>
<strong>Maintain technical standards:</strong>Contribute to continuous improvement by documenting procedures, refining operational workflows, and promoting reliable infrastructure management practices.</li><h2>Requirements:</h2><li>
<strong>Professional experience:</strong>At least five years of proven experience in system administration and database administration, with substantial hands-on experience managing Linux servers and Oracle databases.</li><li>
<strong>Linux administration:</strong>Strong expertise in administering, maintaining, troubleshooting, and optimizing Linux-based server environments.</li><li>
<strong>Virtualization technologies:</strong>Experience managing virtualized infrastructure, virtual machines, and hypervisors, preferably using KVM, Proxmox, and/or VMware.</li><li>
<strong>Oracle database administration:</strong>At least five years of experience installing, configuring, maintaining, and troubleshooting Oracle databases.</li><li>
<strong>Infrastructure monitoring and troubleshooting:</strong>Experience analyzing logs, monitoring server health, diagnosing technical incidents, and resolving infrastructure performance issues.</li><li>
<strong>Backup and recovery:</strong>Knowledge of backup and restoration procedures, disaster recovery, infrastructure security, and business continuity practices.</li><li>
<strong>Storage and SAN technologies:</strong>Practical experience with storage infrastructure and an understanding of SAN architectures, volumes, LUNs, and multipath configurations.</li><li>
<strong>High availability and clustering:</strong>Experience working with high-availability environments and clustered infrastructure, ensuring resilience and minimizing downtime.</li><li>
<strong>Automation and scripting:</strong>Experience or a strong interest in infrastructure automation using generative AI and AI agents. Familiarity with Bash, Python, Ansible, or similar tools is an advantage.</li><li>
<strong>Monitoring tools:</strong>Familiarity with infrastructure monitoring solutions such as Zabbix, Nagios, or Prometheus is desirable.</li><li>
<strong>DevOps technologies:</strong>Basic knowledge of Docker, Kubernetes, and related DevOps practices is a plus.</li><li>
<strong>Cloud infrastructure:</strong>Familiarity with cloud platforms such as AWS or Oracle Cloud Infrastructure (OCI) is desirable.</li><li>
<strong>Education:</strong>Bachelor's degree in Information Technology, Computer Science, Software Engineering, or a related field.</li><li>
<strong>English proficiency:</strong>Intermediate English skills, with the ability to read technical documentation, write clearly, and participate in professional conversations.</li><li>
<strong>Analytical and problem-solving skills:</strong>Strong troubleshooting capabilities, structured thinking, attention to detail, and the ability to investigate complex technical issues methodically.</li><li>
<strong>Communication and teamwork:</strong>Ability to communicate technical problems clearly, collaborate effectively with multidisciplinary teams, and provide reliable remote support.</li><li>
<strong>Adaptability and innovation:</strong>Interest in emerging technologies, continuous improvement, and the practical application of AI to infrastructure management.</li><h2>Benefits:</h2><li>
<strong>Fully remote work:</strong>Work from home anywhere in Brazil.</li><li>
<strong>Employment contract:</strong>Full-time employment under the Brazilian CLT regime.</li><li>
<strong>Company laptop:</strong>Equipment provided to support your daily responsibilities.</li><li>
<strong>Meal and food allowance:</strong>VA/VR benefits through Pluxee (formerly Sodexo).</li><li>
<strong>Health insurance:</strong>Medical coverage to support your health and well-being.</li><li>
<strong>Dental insurance:</strong>Dental coverage as part of the benefits package.</li><li>
<strong>Wellhub membership:</strong>Access to fitness and wellness services through Wellhub, formerly Gympass.</li><li>
<strong>Home office allowance:</strong>Financial support for remote working expenses.</li><li>
<strong>Technical development:</strong>Opportunities to work with enterprise infrastructure, database technologies, virtualization, automation, and emerging AI-powered operational tools.</li>