Kris Rosario

RHEL 9 Linux asset management via Ansible Playbooks.

Change management procedures adhering to NERC-CIP-002, NERC-CIP-010 and TSA GAS SCADA regulatory standards.

Building new RHEL 9 Linux assets via BASH kickstart scripts

Provisioning of new assets via BigFix automation pipeline.

Provisioning Linux Storage in VMware using XFS and LVM

IPAM management of netblock space in bluecat IPAM

Breakfix on Dell/EMC Server and blade platforms (MX7000)

• Provided support for AT&T and Microsoft accounts for Dev/Ops Pipeline Deployments using Openstack Container Infrastructure
• Assisted Deployment and Development Teams in determining Root Cause (RCA) for high level defects
• Gathered Stack Trace and System Logs on a pod level via Kubectl
• Investigation of YAML based output from Pods, Deployments and StatefulSets
• Investigation of Openstack components such as Nova, Neutron, Keystone, Heat and API related errors
• Provided recommendations on defect remediation and resolution.
• CLI Openstack management via Kubectl and the Openstack CLI Client

• Management of 30+ Ubuntu Hosts on VMware vSphere
• File System Operations For Customer Data Using SFTP and NFS mounts
• Systems Migration From Ubuntu 14/16 to Ubuntu 20
• Data Encryption and Storage Meeting HIPAA and SOX Compliance

• Management of IP address space for Commercial Customers in "BT Dimond - IP Control"
• Working with ARIN and Network Engineering to maintain public IP Address Space
• Management of DNS records and DHCP address information for Commercial Customers
• Management of CentOS Compute Resources on OpenStack Nova
• Management of Virtualized Network Infrastructure on OpenStack Neutron
• Systems Administration of CentOS Servers using Bash and Ansible
• Migration of Existing VMware Based Hosts to OpenStack
• Data Extraction and Conversion via REST API using Python/JSON and via CLI using Bash

• Managed Teradata High Performance Computing Clusters running on SUSE Enterprise Linux in a Parallel Environment
• Maintaining high availability uptime SLA's by troubleshooting and repairing hardware failures and implementing preventative measures to mitigate the risk of data loss.
• Use of Change Control Procedures and Method of Procedures to plan outages and maintenance within a team structure.
• Maintained Dell R710/R720 Enterprise Servers and Intel SZ2600 Series Servers

• Configuration of working rack environments for Cisco CCNA, CCNP, CCIE labs for route & switch, security, wireless and voice.
• Configuration via CLI of Cisco 3750 and 3560 series switches, 2800 series routers
• VMware ESXi Administration and configuration to host Cisco Security Appliance Images
• Configuration of Cisco CUCM and 7900 Series IP Phones for voice certifications
• Physical Installation and repair of Cisco Routers, Cisco Switches and Dell Server Hardware
• Provided end user support to staff and attendees

• IT Support Specialist Contracted through TEK Systems and placed with some of their premiere Fortune 500 Clients - Caesars Entertainment, Verizon Wireless & MGM Resorts.

• Provided support for Level II Corporate IT queue
• Managed permissions and accounts in Active Directory and Exchange
• Managed AS400 user accounts and print queues
• Used Remote Desktop Sessions to assist users
• Used ArcGIS to image new machines
• Supported and performed troubleshooting on several casino industry applications on a user base 500+

• Supported 200+ retail POS computers including Motion Tablets, Ipads and HP laptops
• Assisted Network Operations by troubleshooting TCP/IP connectivity
• Installed and maintained Dell and SourceTech Bill Payment Kiosks
• Configured iPad and Samsung Galaxy tablets to run custom software via Afaria
• Worked with HP, Dell, Motion Computing for RMA and Warranty replacements

• Managed Active Directory, Opera POS, Life Players Club accounts
• Managed AS400 user accounts and print queues
• Configured Employee desktops using CA DSM remote client
• Configured Virtual Desktop sessions using Citrix Metaframe
• Supported and performed troubleshooting on several casino industry applications - user base 3,000+

• Offered expertise in web server technologies to provide solutions for a variety of clients.
• Installed and configured Wordpress templates on Rackspace Virtual Hosting
• Configured and designed graphic content for customer web presence on Squarespace
• Provided desktop support remotely and on service call basis to customers
• Performed trouble shooting and maintenance on 66 block and telephone lines on customer premises
• Installation and termination of Low Voltage (CAT5/CAT6) lines on customer premises
• Handled website maintenance and updates for existing clients on various hosting platforms using SFTP and SCP
• Provided clients advice for website layout (UX/UI) and CSS implementation

• Provided IT consulting for legacy software problems that couldn’t be solved by conventional means.
• Installed Windows Server 2003 on an Active Directory Domain
• Configured Active Directory Domain for Roaming Profiles
• Installed and aligned 5.8Ghz point to point links on Cisco Access Points from one building top to additional building in an adjacent lot 400ft away

• Maintained end to end operations from infrastructure to web presence for a 25+ user base.
• Installed and managed Windows 2003 Network on VMware ESX
• Repaired and performed troubleshooting on Dell Desktops
• Designed and maintained company website

• Hands on installation and troubleshooting on customer premises lines and equipment
• Installed Cable TV, High Speed Internet and VOIP phone service.
• Termination and maintenance of copper coax, CAT5, CAT3, Underground signal feeds and Aerial utility pole feed lines.
• Performed troubleshooting and diagnostic signal testing on feed lines using Signal Meters, Test sets and Line Tracing Equipment.

• Performed onsite Metro Scale Wifi site surveys and troubleshooting
• Configured Cisco Switch Equipment via CLI
• Configured Tropos and Belair Metro Scale Wireless equipment for Mesh Networking
• Performed RF testing and wireless site surveys
• Developed software utilities on Linux CLI using BASH
• Provided Level 3 technical assistance and support to end users

• Findlay Automotive (Chevrolet, Acura, Saturn)
• Helped Launch Network and Systems Infrastructure for Findlay Acura, Findlay Cadillac and Findlay Chevrolet
• Provided assistance to the IT Director of Findlay corporation in installing computer network and servers
• Deployed a common disk image to 150+ desktop computers in two days