Rafael M. Email & Phone Number

Fort Worth, Tx, Us

Designed and implemented a redundant core network. Designed and implemented edge network for primary and secondary data centers. Optimized routing protocols throughout the network. Designed and implemented isolated networks for research, PCI, and medical IoT environments. Implemented Cloudflare Magic Transit, Advanced Magic Firewall, and Proxy Service. Took over network responsibilities for Azure in north central region. Designed and built Azure environment in the south central region. Designed and implemented QoS for campus buildings. Troubleshoot and resolved technical issues to maintain optimal reliability and performance of the network. Prepared cost benefit analysis for new solutions, reducing overhead costs and introduced new tools. Designed and implemented Cisco SDWAN solution for 80 remote locations.

Folsom, Ca, Us

Successfully implemented ACI in network centric mode. Successfully designed and implemented multi-homed ISP on multiple routers in two data centers. Designed and implemented a second private network for market participants. Successfully migrated two pairs of firewalls from CheckPoint to Palo Alto. Optimized RF design for recently installed Meraki Access Points.Ran a project to setup diverse ISP’s in two data centers. Designed and implemented SLA’s for the team. Case Management. Ensure all cases are acted upon conscientiously and in the framework expected according to the SLA.Evaluated existing processes and made changes as needed to improve quality of work. Support and update documentation libraries for responsible areas, ensuring compliance with internal standards.Provide clear communication within Incident Management case tools with frequent and timely updates.

Fort Worth, Tx, Us

Lead Network EngineerHeld full accountability for identifying, evaluating, and devising network solutions for Cook Children’s Hospital. Collaborated with cross functional groups; planned, researched, and executed network projects in accordance with specific business requirements. Troubleshot and resolved technical issues in order to maintain optimal reliability and performance of the network. Prepared cost benefit analysis for new solutions. Key Contributions:Integrated acquisitions and new builds in to the network. Upgraded the Cisco ISE from 1.x to 2.3.Successfully implemented ACI in network centric mode. This is a multisite deployment across three data centers. Implemented new wireless guest portals using Cisco ISE.Designed and implemented a VPN solution for remote users. Designed and implemented diverse ISP setup at our data center using BGP.Designed and implemented a segmented Provider network to run across our existing infrastructure using VRFs.Case Management. Ensure all cases are acted upon conscientiously and in the framework expected according to the SLA.Proactive to anticipate issues or situations which impact service availability and critical response time, and take necessary mitigation steps escalating to management's attention, where appropriate.Support and update documentation libraries for responsible areas, ensuring compliance with internal standards.Provide clear communication within Incident Management case tools with frequent and timely updates.Chase any outstanding teams for case updates as appropriate, whether internal or external, ensuring that cases are resolved in a timely manner and do not breach SLA, else when required escalate to Customer Service Lead.

Euless, Tx, Us

Managed all computer systems and networking hardware for corporate office, 5 regional offices, 1 data center and 187 plants. Reestablished a helpdesk and implemented a comprehensive ticketing system that tracks user requests, change management and project management. Developed IT service level agreements, security policies, and procedures. Interacted extensively with business partners to ensure systems met specific business needs. Created complex diagram of corporate systems and network; performed regular network and systems audits to meet SOX and PCI compliance. Accountable for all moves, adds, and changes to telephone system; setup and managed Cisco/Meraki/SonicWall routers and firewalls, HPE A-Series switches, Cisco Nexus Switches and Cisco Catalyst series switches. Directly managed twelve individuals; 5 helpdesk, 3 infrastructure, 2 Unix, and 2 network security. Worked directly with Cisco Routers 1800, 1900, 2600, 2800, Cisco Nexus 5548 and Cisco Catalyst Switches 2900, 3500, 3600, HPE A-Series 5700\5900 in a large hub and spoke environment. Routing protocols used BGP\EIRGP. Implemented high availability on all data center data center devices (Network\Servers\Storage). Key Contributions:Integrated eight acquisitions in to the company. Upgraded the Cisco Phone system from 8.6 to 10.5.Implemented VOIP across the entire company. Successfully moved the data center from Fort Worth to Richardson in a 36 hour window with no impact to operations.Upgraded the datacenter network to 10GB. Implemented changed management process. Implemented a Cyber Security program. Implemented email security standards (SPF, DKIM, SMIME) and hardened filtering rules to prevent spoofing and phishing attacks. Implemented controls to ensure network security standards are maintained.

Houston, Texas, Us

Held full accountability for identifying, evaluating, and devising solutions for multiple clients in HP data enters. Collaborated with cross functional groups; planned, researched, and wrote engineering work orders in accordance with specific business requirements while maintaining HP’s data center network architecture. Troubleshot and resolved technical issues in order to maintain optimal reliability and performance of firewalls. Worked directly with Cisco Routers 2600, 3600, 3700, 7200, 7600, Cisco Catalyst Switches 2900, 3500, 6500, 8500, and HPN A-series in a multi-tenent environment in data centers around the world. Routing protocols used BGP OSPF, and EIGRP. Implemented high availability using IRF, VRRP and HSRP. Key Contributions:• Case Management. Ensure all cases are acted upon conscientiously and in the framework expected according to the SLA.• Built strong working relationship with Technical Supervisors, Customer Service Leads and technology teams.• Proactive to anticipate issues or situations which impact service availability and critical response time, and take necessary mitigation steps escalating to management's attention, where appropriate.• Support and update documentation libraries for responsible areas, ensuring compliance with internal standards.• Provide clear and unambiguous communication within Incident Management case tools with frequent and timely updates.• Chase any outstanding teams for case updates as appropriate, whether internal or external, ensuring that cases are resolved in a timely manner and do not breach SLA, else when required escalate to Customer Service Lead.

Euless, Tx, Us

Served as the Network Manager/Helpdesk Manager; managed all computer systems and networking hardware for corporate office, 4 regional offices, 1 data center and 70 plants. Established a helpdesk and implemented a ticketing system. Developed IT service level agreements and IT policies; monitored status of trouble tickets in order to maintain adherence to established SLA guidelines. Interacted extensively with business partners to ensure systems met specific business needs. Created complex diagram of corporate systems and network; performed regular network and systems audits. Accountable for all moves, adds, and changes to telephone system; setup and managed Cisco/SonicWall routers and firewalls, Cisco Nexus Switches and Cisco Catalyst series switches. Provided technical expertise and guidance; supervised and trained 7 helpdesk support staff members. Worked directly with Cisco Routers 1800, 1900, 2600, 2800, Cisco Nexus 5548 and Cisco Catalyst Switches 2900, 3500, 3600 in a large hub and spoke environment. Routing protocols used EIGRP. Implemented high availability HSRP for all layer 3 VLAN’s. Key Contributions:• Spearheaded several key projects including SOX compliance, GPO implementation, Remote Desktop Services Gateway implementation, Radius Server implementation, Cisco Call Manager 8.6, Cisco Presence 8.6, Cisco Unity, Cisco Contact Center Express 8.5, Cisco Meraki Cloud Controller based wireless, Exchange 2012, VMWare 5.1, NetApp FAS3220 and integrated various third party systems with Active Directory; efforts substantially increased system efficiencies and performance. • Streamlined daily operations by formulating and implementing standardized IT policies and service level agreements.• Developed and implemented disaster recovery and backup plans for both the corporate office and Data Center. • Wrote and implemented a single logon script that would map network drives and printers based on AD groups.

Houston, Texas, Us

Held full accountability for identifying, evaluating, and devising solutions for a firewall refresh project during this contract engagement for HP Enterprise Services. Collaborated with cross functional groups; planned, researched, and wrote engineering work orders in accordance with specific business requirements. Troubleshot and resolved technical issues in order to maintain optimal reliability and performance of firewalls. Worked directly with Cisco Routers 2600, 3600, 3700, 7200, 7600 and Cisco Catalyst Switches 2900, 3500, 6500, 8500 in a large MPLS environment. Routing protocols used OSPF, EIGRP and BGP. Implemented high availability HSRP for new VLAN’s and updated SLB configurations as needed. Key Contributions:• Case Management. Ensure all cases are acted upon conscientiously and in the framework expected according to the SLA.• Built strong working relationship with Technical Supervisors, Customer Service Leads and technology teams.• Proactive to anticipate issues or situations which impact service availability and critical response time, and take necessary mitigation steps escalating to management's attention, where appropriate.• Support and update documentation libraries for responsible areas, ensuring compliance with internal standards.• Provide clear and unambiguous communication within Incident Management case tools with frequent and timely updates.• Chase any outstanding teams for case updates as appropriate, whether internal or external, ensuring that cases are resolved in a timely manner and do not breach SLA, else when required escalate to Customer Service Lead.

Served as only Network / Systems Administrator; managed all computer systems and networking hardware for corporate office, 4 distribution warehouses, and 70 remote locations. Established a helpdesk and implemented a ticketing system. Developed IT service level agreements and IP policies; monitored status of trouble tickets in order to maintain adherence to established SLA guidelines. Interacted extensively with business partners to ensure systems met specific business needs. Created complex diagram of corporate systems and network; performed regular network and systems audits. Accountable for all moves, adds, and changes to telephone system; setup and managed Cisco/Sonic Wall routers and firewalls, and Cisco Catalyst series switches. Implemented retail systems with emphasis on meeting PCI compliance standards. Provided technical expertise and guidance; supervised and trained 2 helpdesk support staff members. Worked directly with Cisco Routers 1800, 2600, 2800 and Cisco Catalyst Switches 2900, 3500, 3600 in a large hub and spoke environment. Routing protocols used EIGRP and RIPv2. Implemented high availability HSRP for new VLAN’s. Key Contributions:• Spearheaded several key projects including PCI compliance, GPO implementation, Terminal Services Gateway implementation, Radius Server implementation and integrated various third party systems with Active Directory; efforts substantially increased system efficiencies and performance. • Instituted a solution center system for support personnel, facilitating quick access to solutions. • Streamlined daily operations by formulating and implementing standardized IT policies and service level agreements.• Developed and implemented disaster recovery and backup plans for both the corporate office and 70 remote locations.• Wrote and implemented a single logon script that would map network drives and printers based on AD groups. • Implemented, and administered Symantec End Point Protection Anti-Virus systems.

Master Of Information Systems

Bs, Business Information Systems