- Production support of MobileIron Cloud FedRamp Moderate environment. Managing the bubble.- On-Call support of global AWS production environments (Virginia, Germany, Japan, Australia). Supported a Spring App on top of modern cloud-native infrastructure: K8(EKS), Postgres(RDS),Kafka(MSK), Redis ElasticCache, Kong, Vault.- Utilized a GitOps model for app config and infra change management. Strong user of Chef, Ansible, Cloud Formation, Jenkins, Concourse, and Stash/Git.- Responsible for Data Center management, including Servers, Network, Storage deployment, DCIM inventory, and consolidation.

- Responsible for the design, deployment, and continuous operation of the Illumio ASP cloud ecosystem. Implementing Blue/Green for Illumio SaaS products using AWS CloudFormation stack.- Strong customer focus and capable of technical deep-dives into app servers, databases, load balancers, operating systems, and/or network. Work closely with Engineering and Professional Support teams to troubleshoot customers' issues.- Strong user of continuous integration and configuration management tools: Chef, Ansible, Stash/Git, Jenkins, and Concourse (CI/CD). Experience in designing, building, and managing fault-tolerant web platforms in both on-prem and public cloud providers such as AWS, GCP, and Azure.- Managed and fine-tuned Icinga, Splunk, New Relic, Sensu, and Nagios monitoring tools. Participated in a 24x7 on-call rotation for third-tier escalations and have a strong understanding of DevOps and SRE practices.- Working knowledge of Networking, Load balancer, DNS, and TCP/IP.

- Providing administration, advanced support and operational management of Datacenter facilities (including power, HVAC, rack space), network (load balancer), systems (Cisco UCS, HP Proliant), and storage platform (including 3PAR, NetApp, EMC)- Responsible for all R&D, Staging, Pre-Production, and Production cloud/infrastructure engineering and site reliability- Identify service improvement opportunities; particularly around self-service, automation, and work with Service Engineering teams to implement optimization to increase overall company productivity.- Participate in annual strategic planning, tactical operation planning, and the development of service improvement, security, compliance and contingency operation plans.- Promote service management through metrics and ensure comprehensive monitoring including system health, resource utilization, transaction performance, backup and restore functionality.- Thorough understanding of Operational Support Processes and excellent business acumen and ability to direct the team in dissecting and diagnosing complex problems.- Manage a 24x7 global team, compromised of employees and contractors.

- Team lead on VMware vCloud Air (Hybrid Cloud Service), Horizon Manager Application Single Sign On (SSO), and BOSH- Deploys and operates large scale, high available, vCloud infrastructure environment.- Maintain current hands-on knowledge of VMware products line, specially Cloud related solutions such as: vCloud Director, vSphere, vCNS, NSX, vSphere, and ESXi.- Participates as Subject Matter Expert (SME) for design reviews and technology and tool selection for security of vCloud Air R&D. Includes: Software Load balancers, distributed firewalling, and IDS/IPS- Performs capacity planning including allocating storage, providing hardware and software redundancy and planning future expansion requests.- Establishes guidelines for production, staging, Q/A, and development environments. - Designs backup, restore, business continuity solutions, and building fault tolerant and disaster recovery solutions.- Help to document best practices in developing and deploying VMware solutions, and feed them into knowledge base for reuse by internal, and external customers and partners. - Participate in on-call rotation to support 24x7 coverage

- Works closely with vendors, Database Administrators, Global Sites Backup and Operations team in designing and managing centralized and decentralized storage area networks. - Performs capacity planning including allocating storage, providing hardware and software redundancy and planning future expansion requirements. - Participates as a Subject Matter Expert (SME) for design reviews and technology and tool selection. - Assists in defining, designing, testing and deploying industry-best storage area networking solutions including our Oracle ZFS in-house storage.- Evaluate file systems based on scalability, performance, cost efficiency and interoperability for WebEx various datasets and application such as network based recording and meeting services.- Establishes guidelines for production, staging, Q/A, and development environments. - Designs backup, restore and business continuity solutions. - Solid understanding of SCSI, Fibre Channel, SAN, RAID and I/O Storage Sub-Systems. - Solid understanding of Network Operating Systems. - Good understanding of networking technologies such as protocols, routing, QoS, NIC, HBA, FCOE, and CNA- Working knowledge of LAN/WAN infrastructures. - Working knowledge of SAN/NAS environments with large enterprise storage systems.

- Provided tier 3 support to Cisco Technical Support Engineer on a variety of issues. Identifies, researches, and resolves technical problems. Respond to telephone calls, email and personnel requests for technical support.- Interface and provide escalations to management and other teams member as required.- Monitor Remedy trouble tickets and troubleshoot, update, and resolve as needed.- Monitor an active environment using HP OpenView, WebEx Monitor Colsole Tool, and SiteScope, Weather Map, and other proprietary monitoring tools.- Build proprietary server clusters, perform upgrades, and repair requests. Troubleshoot system, hardware, network and applications problems.- Work closely with peers and management on 9i to 10G DB projects.- Develop and assist with training of standard operating procedures.

- Tivoli management, data collections and reporting.- Provided support to end users on a variety of issues. Identifies, researches, and resolves technical problems. Respond to telephone calls, email and personnel requests for technical support.- Maintained problem tracking database HP Openview; and developing operating instructions and support documentation.- Analyzes and evaluates problem call reports, and recommends permanent solutions for recurring problems. Using trend data, works with team members to develop service objectives and monitors progress against objectives.- System backup, recovery and security tasks including maintenance of anti-virus software and backup schedules.- Managed users’ quota and project accounts.- Knowledge of RSA, VPN, Solaris, Anti-virus software and practices, Helpdesk applications, server monitoring tools, firewalls, backup, image, data security, etc.- Managed over 3000 asset records. Check monthly for discrepancy assets follow-ups.- Managed and configured network print queues and HP Jet Admin.- Enabled and disabled users UNIX account, NT account, remote access account, and Lotus Notes email account. - Excellent customer services, crisis response communication and first point of contact – research and troubleshoot.

- Experienced in network administration, database administration, and customer service.- Support and solve external customer issues through Clarify database.- Maintained customer connection to the internet through cable modem, inform customer where outage and issues are in the areas.- Responsible for email support… Microsoft Outlook, Outlook Express, Netscape and Eudora.