Carlos Lazarte

Administer, configure, and maintain Unix-based operating systems (Solaris and Linux) to ensure high availability, reliability, and optimal performance. Manage and monitor enterprise storage infrastructures (SAN, NAS, and storage arrays), including provisioning, disk allocation, backup, and replication. Perform comprehensive system performance analysis and tuning to identify bottlenecks and optimize response times. Design, implement, and maintain high-availability and disaster-recovery solutions to guarantee business continuity. Plan and execute system upgrades, apply patches, and perform kernel tuning in compliance with security standards and vendor best practices. Administer file systems, volume managers, and storage devices to ensure efficient disk utilization and data integrity. Collaborate with database, network, and application teams to provide integrated infrastructure support and ensure cohesive operations. Troubleshoot and resolve system crashes, storage failures, and performance issues across production and development environments. Ensure compliance with Service Level Agreements (SLAs), IT security policies, and audit requirements. Maintain detailed documentation, operational procedures, and capacity-planning reports to support operational continuity and governance.

Provides a high level of customer satisfaction through the effective delivery of technical support and service programs. Customer support specifications may include product performance / maintenance, product installation, project management, site planning and professional services. Pro-actively coordinates resources, problem resolution, problem escalation, and the use of system level diagnostics. Understands service processes and options that are linked with the customers specifications. Able to identify and solve a wide range of problems. Needs a 24-hour commitment to support customer specifications which may also be fulfilled by participation in the regional standby rotation. Works primarily at customer sites.

Solaris Version 10,9,8,7,5.6,2.5.1 support on Sparc . Sun Cluster Support 2.0, 2.1, 3.0, 3.1, 3.2, 3.3 . HardWare Support HighEnd, MiddleEnd . Sun Local diskarray support . Solving Incidents and implement changes on Mission Critical.