Daniel Mestas

Senior Administrator

Accomplished Computer Support Professional with extensive experience in managing and optimizing complex application and infrastructure environments. Proven track record of successfully implementing and maintaining critical systems, ensuring maximum performance and availability. Seeking a challenging position where I can utilize my technical expertise to contribute to the success of the organization.

ad1ap9@r.postjobfree.com 626-***-**** Los Angeles CA https://www.linkedin.com/in/daniel-mestas-04168119/

KEY SKILLS

Server/Application Support SAN Management OS Supported (Windows, Mac, Linux) Network Support Backup Security & Compliance Project Manager ITIL SLA DR F5 RCA Knowledge Base Management Hyper V VMware PowerShell DynaTrace ServiceNow IIS Executive Desktop Support Team Leader / Mentor MSSQL Datacenter Oversite Microsoft Certified: Azure Cloud Fundamentals

Professional Experience

City National Bank - Los Angeles, CA July 2018 – August 2023

Senior Application Administrator

OS Supported: All recent Microsoft Windows Server and Desktop OS’s

Vendor Software Supported: VSoft, ABLM, StuckyNet, Teller Insight, BIC, InfoCheck, etc.

Document, track, and troubleshoot incidents to agreed service standards and service levels

Perform problem resolution, RCA, diagnosis of complex problems, advanced problem resolution, customer support follow-up, and professional interaction with other IT employees, co-workers, and outside vendors.

Develop and maintain system documentation, administrative and user guides

ServiceNow used for Daily Support, SLA management, Request and Incident reporting for applications

Application support, issue management and escalation

DR planning and participation in DR tests

NFL (National Football League) - Culver City, CA May 2017 – July 2018

Tier 3 Application Systems Support: - Executive Support / Knowledge Base Management

Live on Field Game Day Support of the IVRS (Injury Video Replay System) technologies (Network/App/Video)

OS Supported: Microsoft Windows Server and Desktop, Macintosh: All OS versions and devices

Software: Microsoft Office, ServiceNow, Adobe Suites, Active Directory, Multiple NFL Apps, JAMF/Casper

Document, track, and troubleshoot incidents to agreed service standards and service levels

Perform trouble call resolution, diagnosis of complex problems, advanced problem resolution, customer support follow-up, and professional interaction with other IT employees, co-workers, and outside vendors.

Develop and maintain system documentation, administrative and user guides

Conduct end-user orientation and training for new hires • Provide VIP and executive support

Provision and administer user accounts, distribution groups, and security groups in Active Directory

Stamps.com – El Segundo, CA June 2015 – May 2017

Senior Systems Engineer: Infrastructure / SAN Admin / Data Center Support

Duties include but are not limited to the Management, Monitoring & Maintenance of the Enterprise Computer Infrastructure. Hewlett Packard (HP), Hyper-V, F5 Load Balancer, SuperMicro, Cisco & Brocade. Tier 2 & Tier 3 support, Project Management (PM)

SAN Management: NetApp & Violin Memory technologies.

OS Supported: Microsoft Windows Server, Macintosh: All OS versions and devices (iPhone, iPad, MacBook, iMac, Mac Pro). SQL Server Management

Software: Microsoft Office, Nagios, Splunk, Altiris

American Apparel, Inc. – Los Angeles, CA Jan 2013 – May 2015

Senior Systems Engineer: Platform Services & Cloud Architecture / Helpdesk Manager

Duties include but are not limited to the Management, Monitoring & Maintenance of the Enterprise Computer Infrastructure.

Responsible for the research, evaluation and production deployment of an array of Vendor based management tools designed to alert and proactively diagnose concerns related to issues such as Server availability, Performance Metrics, Customer Web Portals and Internal Production Systems.

Additional tasks involve Workflow Documentation, the creation and maintenance of new and existing Standard Operating Procedures, Security & Compliance oversight, coordination of User and Business Unit technology requirements for the purposes of pinpointing the needs, establishing the budget, timelines and forward movements throughout the development cycle with the goal of hardware or software based production deployment in addition to a variety of miscellaneous technical duties.

Oversaw and managed the Helpdesk advanced troubleshooting Team (Tier II and above) and was the primary contact for escalating issues between the Helpdesk and the Server/Infrastructure, Management, Database and Application departments. I also Supervised the Helpdesk Team at the newly built Distribution Center in La Mirada.

Korn/Ferry International - Century City, CA May 2011 – Jan 2013

Senior Technical Support Analyst

Supporting/Troubleshooting custom database applications in a large scale global user environment

Planning/Deployment of Windows 7 migrations from within an XP environment

Advanced OS Support (Windows, Mac, Linux) including a Local and Remote User Base

Senior level Executive support

iPhone, iPad, Android & Blackberry testing, configuration and applet support

Active Directory management (Windows 2003, 2008, OSX Server)

SAP User support and troubleshooting

Blackberry Server Support

IBM Global Services – Burbank, CA July 2005 – May 2010

Windows Account Focal / Senior Technical Analyst / SAN Administrator / PCI-SOX

I transitioned from a Disney Cast Member to an IBM Employee as part of an outsourcing initiative. I migrated onto the DCA/VSA Team taking on the role as the “Windows Account Focal” where I was positioned as the key contact across the organization for any Windows OS related concerns directly related to the DCA (Delivery Compliance Administration) Team.

Key Milestones Accomplished:

Accepted the position as the Windows Account Focal.

Transitioned successfully to the DCA (Delivery-Compliance-Administration) Team.

Developed a strong skill set and comprehension of the Security and Compliance architecture.

Accomplished an in-depth technical expertise of the IBM VSA (Virtual Server Administrator) toolsets.

Played a key role in the initial success of remediating the PCI/SOX environment within Disney.

The Walt Disney Co – Burbank: Studios – Anaheim: Disneyland Aug 1997 – July 2005

Senior Technical Analyst / SAN Administrator

Current duties include but are not limited to the development, implementation, documentation and maintenance of a variety of Servers, Desktops, SAN and applications (Microsoft, Active Directory, HP, Macintosh, etc.).

Key Milestones Accomplished:

Designated individual providing analytical reports to all levels of management including the CIO level targeting key Datacenter SAN Host Allocation and Utilization Metrics used for Capacity Planning, Provisioning and Forecasting

Assisted in migrating a Novell server farm into an Active Directory environment.

Designed, Implemented and fully managed a Multi-Terabyte HP SAN environment consisting of a variation of MSA1000, HSG80, and Brocade components for the Television Animation/Disney Toon Studios Business unit.

Participated in the planning and implementation of a Studio wide Server migration and consolidation move into our local Data Center.

Migrated the Studios multi-platform backup array into a single Centralized Backup Infrastructure (CBI) within the Corporate Data center.

Managed testing projects for new hardware and software technologies including system and network analysis tools for the internal IT organization.

Emergency First Responder for my surrounding area with current and updated Red Cross certifications in Adult & Child CPR, Advanced First Aid, AED, Triage, Earthquake readiness and Disease prevention.

Contact this candidate