Mike Sierra

Mike Sierra Email and Phone Number

iCTO - Infrastructure Engineering Manager at JPMorgan Chase & Co. @ JPMorgan Chase & Co.
Mike Sierra's Location
Columbus, Ohio Metropolitan Area, United States, United States
Mike Sierra's Contact Details
About Mike Sierra

Experienced Senior Virtualization Engineer with a demonstrated history of working in the financial & health care industries. Skilled in Data Center, Software Documentation, Solution Architecture, IT Operations, and Service Delivery. Strong information technology professional with a Bachelor’s Degree focused in B.S. Information Technology / Information Management from University of Phoenix.

Mike Sierra's Current Company Details
JPMorgan Chase & Co.

Jpmorgan Chase & Co.

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iCTO - Infrastructure Engineering Manager at JPMorgan Chase & Co.
Mike Sierra Work Experience Details
  • Jpmorgan Chase & Co.
    Icto - Infrastructure Engineering Manager
    Jpmorgan Chase & Co. Nov 2023 - Present
    New York, Ny, Us
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  • Jpmorgan Chase & Co.
    Vp - Infrastructure Engineering Manager
    Jpmorgan Chase & Co. Nov 2022 - Nov 2023
    New York, Ny, Us
    Lead a team of Sr. Engineers to Design, and roadmap JPMC’s Global Virtual Infrastructure Product suite.
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  • Jpmorgan Chase & Co.
    Vp - Sr. Virtualization Engineer
    Jpmorgan Chase & Co. Aug 2021 - Nov 2022
    New York, Ny, Us
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  • Huntington National Bank
    Sr. Virtualization Engineer - Team Lead
    Huntington National Bank Sep 2017 - Aug 2021
    Columbus, Ohio, Us
    Design, implement & support all virtual infrastructure, hosting, converged systems, and engineering solutions. (VMware ESXi, vSphere 6-7, Horizon View 7-8, Windows & Linux)• Design and implement all virtual infrastructure hardware and software expansions, installing and configuring new ESXi VMware Hosts, High Availability, Business continuity analysis and perform bi-annual Disaster Recovery exercises. • Perform Advanced PowerShell scripts to configure, and manage all supported system infrastructure solutions.• Design, implement & support all physical server hardware infrastructure, including traditional rackmount, converged, and Hyperconverged servers. (Cisco UCS Manager, UCS Central, HyperFlex Installer, Nutanix Prism Element, and Nutanix Prism Central).• Perform Continuity of Business (COB) exercises to ensure redundancy and appropriate fail over capabilities for all supported infrastructure components.• Design, implement & support multiple full virtualization infrastructure datacenter migrations from traditional Huntington Bank owned datacenter to next generation colocation datacenter. • Perform advanced troubleshooting of SDN virtual switching technologies including Cisco ACI and VMware NSX capabilities across Huntington Bank virtual infrastructure. • Perform proof of concept, architecture design, user acceptance testing, and production deployment for Huntington Bank information systems infrastructure solutions such as Nutanix Files, Hyperflex Stretched clusters, and VMware Cloud Foundations - VCF / vSAN. • Perform budget, and capacity planning for all virtual and physical infrastructure.
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  • Nationwide Children'S Hospital
    Sr. Systems Engineer
    Nationwide Children'S Hospital Sep 2015 - Sep 2017
    Columbus, Oh, Us
    Design, implement & support all virtual infrastructure, server and virtual desktop. (VMware ESXi, vSphere 5-6.5, Horizon View 7, Windows & Linux) • Perform all virtual infrastructure hardware and software expansions, installing and configuring new ESXi VMware Hosts, High Availability, Buisness Continuity analysis and perform bi-annual Disaster Recovery exercises. • Perform Advance Powershell scripts to configure, and manage all our supported systems infrastructure solutions. • Design, implement & support all physical server hardware infrastructure, including traditional rackmount and converged server. (Cisco UCS Manager, UCS Central, and Dell OpenManage Server Administrator) • Perform Continuity of Business (COB) exercises to ensure there is redundancy and appropriate fail over capabilities for all supported infrastructure components. • Design, implement & support all AWS, Azure AD, and PingFederate secure single sign-on federation to allow single sign-on capabilities to Nationwide Children’s Hospital’s multiple SaaS, Mobile, and Web application integration. • Design, implement & support all Microsoft Cluster 2012 R2 and 2016 infrastructure. Mainly used for providing HA for large Database SQL and Exchange implementations. • Perform proof of concept, architecture design, user acceptance testing, and production deployment for Nationwide Children’s Hospital Research information systems infrastructure solutions. • Design, implement & support Enterprise Security, Alert Monitoring, and Patch management Systems such as: System Center SCCM and SCOM. SCCM for Windows Patch Management, OS, and Application deployment.• In charge of budget planning for all virtual and physical infrastructure. • Perform systems infrastructure application testing, and result recording\tracking.
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  • Citi
    Vp, Messaging & Mobility Specialist
    Citi Jan 2013 - Aug 2015
    New York, New York, Us
    Design, Build, and Support Messaging and Mobile Products. Microsoft Exchange, BlackBerry, Good Mobile Messaging (GFE), Good Connect, Good Dynamics, AirWatch, Good Mobile Service Manager (previously BoxTone), and the Citi Wireless Management Console.Exchange Infrastructure• In charge of supporting the day-to-day operations of Citigroup’s messaging products and services which include daily system monitoring & maintenance and assuring service levels are maintained to the required standards.• Perform migration of 250,000 Microsoft Exchange 2007 users to Exchange 2010.• Perform DEV, UAT, and Production Pilot Testing, build, and support the Exchange 2010 infrastructure• Perform In-depth, hands-on testing, installation deployment and advanced support & troubleshooting of: Exchange 2007 and Exchange 2010 on a large environment, Hub Transport setup and configuration (Email Routing), CAS for E2K10. Exchange High Availability and capacity planning (E2K10 Database Availability Group).• Perform testing, installation build deployment, and support of the Exchange large enterprise solution through Windows PowerShell and other administration scripting tools.• Perform installation check-outs and troubleshoot issues with Microsoft Exchange 2007 and 2010, Microsoft Server operating systems, SAN, Active Directory, monitoring products and backup applications.• Provide Tier-2/3 support on issues escalated by Tier-1 and other support teams.Mobility Infrastructure• Maintaining & Supporting the Mobility Application Server Infrastructure (BES, GOOD, Good Dynamics, Airwatch). Monitor & Acknowledge Mobility application Server alerts. Perform server and application check-outs. Perform daily operational support tasks such as incident management, field email inquiries as SME’s for major service outage next level support to Citigroup Technology Infrastructure incident control teams.
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  • Citi
    Vp, Infrastructure Tech Specialist
    Citi Feb 2010 - Jan 2013
    New York, New York, Us
    • Designed, implemented & currently support the Global Mobile Wireless Integration Testing team• This team is task to test all the Mobile Wireless Applications on all the Engineering supported Mobile Platforms: Apple IOS- IPad, iPhone, Droids OS- Tablets, Droid Phones, Blackberry OS- All device Models, BES Enterprise WMC, Airwatch Enterprise & Good Enterprise.• Designed, Implemented & currently support the BES Wireless Management Console UAT, Good Enterprise UAT & Air Watch Infrastructure. These various tools allow us to manage the Mobile Wireless Devices and also allow us to deploy/install and remove Citigroup’s certified mobile applications.• Currently we ensure that all the project’s components are coordinated including; project plan development, execution, and turnover. • Test Planning, Test Strategies, Test Execution and Test template definitions & maintenance• Currently assist management with initiatives for test planning, test strategies, and test execution• Designed, implemented & supported a solution to allow release management and integration testing of RADIA/OVCM Packages in North America.• Fully document the entire release management process: Mandatory application release announcement, tracking, and reporting. • This new process allows Citigroup to test new RADIA/OVCM application deployment on desktops to decrease the risk to the Production environment and ensures that the distributed System Administrator teams are aware of all the deployment initiatives and issues affecting the PCs/Users they support.
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  • Citi
    Avp, Senior Engineer
    Citi Jul 2006 - Feb 2010
    New York, New York, Us
    • Engineered the North America end to end RADIA 3x, 4x & OVCM 5x client & Infrastructure solution• Built and developed the system architecture, design, implementation steps for POC, UAT & Production roll out of the RADIA/OVCM infrastructure in North America.• Ensured all the project’s components were coordinated including; project plan development, execution, and turnover. • Designed, documented & implemented the North America RADIA/OVCM Pilot infrastructure based on a 4 Tiers Architectural design: Tier 0 Enterprise Level – Global UAT & Patch Acquisition, Global Inventory, Patch DB, RMP, RRS, RMS, RCS, RPS & DCSS/DCSD. Tier 1 Regional Level with similar configuration & Regional Inventories. Tier 2 Regional Level – Where full inventory data is collected and finally Tier 3 The local Sites/Client – Where Proxy Servers will handle the binary distribution/collection.• Designed the Test Planning, Test Strategies, Test Execution and Test template definitions & maintenance for the entire North America RADIA/OVCM Infrastructure.• Assisted management with initiatives for test planning, test strategies, and test execution• Managed the laboratory hardware needs based on existing and projected testing workloads and technology changes.• Assisted in the coordination for upcoming and existing technologies in Citigroup working with the latest in TI lab technology and processes.• The RADIA/OVCM Pilot was a success in North America and the solution was adopted by Citigroup and implemented at a global scale.• RADIA/OVCM is currently the number one tool used in Citigroup to collect inventory, distribute patches, MSI Packages, push policies & track inventory.
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  • Citi
    Avp, Sr. Technical Analyst
    Citi May 2004 - Jul 2006
    New York, New York, Us
    • Provided support within agreed service standards for Windows NT 4,XP,2000,2003, Active Directory, DNS, DHCP, WINS, Exchange Server, Webadmin and all Citigroup Wraps & the Common Builds.• Continuously monitored the operating environment to identify the existence of issues that are chronic problems or have the potential of becoming chronic problems. Bring root cause analysis to expeditiously address and resolve these issues.• Communicated the nature of the issues and their resolutions to all appropriate parties. Provide the necessary support for the SA teams. • Designed, Implemented & Maintained VMware Virtual OS and all Service Management LAB equipment. Install and Configure LAB Servers, RAIDs, SCSI Array Controllers & Adapters.• Worked closely with Wintel Engineers to provide a single point of escalation to gain the next level of technical expertise & assist them in resolving issues.
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  • 92Nd Street Y
    Network Engineer
    92Nd Street Y Mar 2001 - May 2004
    New York, Ny, Us
    • Design and Implement Windows 2000 Active Directory, DNS, DHCP, WINS, Exchange Server 5.5 to Exchange Server 2000 migration• Manage all Network Operations: NT / AD Domain & Exchange Accounts Creation, Network Share Folder Security, Compaq / Dell Servers Initial & Upgrade Configurations• Support Exchange Server 2000 in conjunction with Windows 2003 Active Directory Networking Policies and Security• Design, Implement & Maintain all IIS servers & Load Balancers running Win2k,SQL,Application Server, & Commerce Server 2000 including main Website www.92y.org, www.92y.info & all intranet sites. Manage all IIS account Creations (HTTP/S,FTP,IP POP3,SMTP,SSL) security and disaster recovery (Trend Micro Server Protect Corporate & Veritas Backup Exec)• Install, Configure and Support Nokia IP440 Firewall running Check Point, Layer 2/3 Extreme Fiber/Gigabit Ethernet Switches, hubs, Wireless Access Points, Cisco routers, &. Compaq Proliant Windows NT, 2000 & 2003 Servers• Configure and Support Check Point VPN-1 SecureRemote/SecureClient NG, Secure ID authentication Server and RADIUS • Design & Implement SO/HO networks. Configure and Support Firewall-1 Virtual LANs dedicated for Public Wireless Web Access• Configure and Support Microsoft Solomon & Forecaster Financial SQL/IIS Server Based Applications and networked to AS400 OS 170 & 270• Install and Configure RAIDs, SCSI Array Controllers & Adapters interfacing with Backup Devices (DLT Tape Drives & Robotic Libraries)• Work closely with Senior Network Engineers on upgrading Flash ROMs on Cisco routers & Extreme Layer 2&3 switches (Black Diamond, Summit 48s). Installation & Support Gigabit Ethernet system blades and Compaq Servers NICs
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  • Broadview Networks
    Isp/Dsl Network Support Specialist
    Broadview Networks Apr 1999 - Mar 2001
    Rye Brook, Ny, Us
    • Trained helpdesk Crew and other support specialists• Implemented VB & VBA Trouble ticket applications using SQL databases• Developed Help Desk application using Visual Basics for Microsoft Access• Installed and Support SQL 6.5, 7.0 Server databases. Analyzed SQL authentication and security issues• Installed Windows NT 4.0 Workstations, Server, Windows 95/98 & Laptops• Served as a member of company committee providing feedback for the development of company standards and procedures• Responsible for the management of the MS Exchange server and the primary domain Controller which included all issues with user accounts, Software upgrades and analysis • Wrote user documentation for the following packages : Office 97, 2000, Communications Software (ProComm Plus, PcAnywhere…), graphic programs (Photoshop 4-5.5, Acrobat illustrator, Dream weaver…), tailoring them for the Broadview Networks’ Users• In charge of Service Packs updates for Win NT, Installed Interface Cards Drivers (NICs, Video, Audio & Modems) Office 97, Norton Antivirus 5.0, Internet Explorer• Installed external serial devices and Peripherals (Serial Palm Pilots, Modems, Infrared, Printers, USB, SCSI, & Parallel port Scanners). • Provided help desk support to users with operating system, computer software and hardware problems.
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Mike Sierra Skills

Disaster Recovery Enterprise Architecture Servers Vendor Management Itil Infrastructure Security Integration Active Directory Virtualization Sql It Strategy It Management Sdlc Vmware Windows Server Microsoft Exchange System Deployment It Service Management Business Continuity Troubleshooting Microsoft Sql Server It Operations Enterprise Software Information Technology Unix Sharepoint Testing Blackberry Enterprise Server Cloud Computing Solution Architecture Service Delivery Iis Data Center Cisco Technologies Network Administration Firewalls Program Management Software Documentation Process Improvement Network Security Office 365 Windows Powershell Good For Enterprise Airwatch Good Mobile Messaging Good Connect Good Dynamics Good Mobile Service Manager Citi Wireless Management Console

Mike Sierra Education Details

  • University Of Phoenix
    University Of Phoenix
    B.S. Information Technology / Information Management
  • City Tech, Cuny
    City Tech, Cuny
    Computer Science

Frequently Asked Questions about Mike Sierra

What company does Mike Sierra work for?

Mike Sierra works for Jpmorgan Chase & Co.

What is Mike Sierra's role at the current company?

Mike Sierra's current role is iCTO - Infrastructure Engineering Manager at JPMorgan Chase & Co..

What is Mike Sierra's email address?

Mike Sierra's email address is mi****@****ton.com

What is Mike Sierra's direct phone number?

Mike Sierra's direct phone number is +161435*****

What schools did Mike Sierra attend?

Mike Sierra attended University Of Phoenix, City Tech, Cuny.

What skills is Mike Sierra known for?

Mike Sierra has skills like Disaster Recovery, Enterprise Architecture, Servers, Vendor Management, Itil, Infrastructure, Security, Integration, Active Directory, Virtualization, Sql, It Strategy.

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