Rafael Lemus
Miami, FL *****
**********@*****.***
Methodical IT team member with 20+ years of experience knowledgeable about networking, project management and disaster recovery. Capable of installing hardware, updating software and managing LAN/WAN systems. Clear and open communicator with excellent planning and problem-solving skills. Authorized to work in the US for any employer
Work Experience
Lead Technical Consultant
OPM Management Services - Miami, FL
October 2018 to Present
• Helped customers troubleshoot issues either in person, phone or remotely
• Collaborated with engineering to report issues, manage project deliverables and provide status reports
• Identified means to reduce and control expenses by conducting cost, schedule and contract performance analysis and improving resource allocation
• Installed, supported and maintained company hardware and software infrastructure according to best practices
• Monitored network capacity and performance, as well as diagnosed and resolved complex network problems
• Collaborated on network development, implementation, and maintenance of routers, switches, firewalls and NAC and WAN optimization
• Planned and designed projects and analyzed existing network systems and procedures to foster efficiency and effectiveness
• Reviewed technical specifications from clients and vendors to confirm adequacy, accuracy and functionality
• Implemented WAN and LAN designs in multi-datacenter configuration Lead Information Systems Technician
Lemus Natural Medicine, Inc - Miami, FL
August 2005 to October 2018
• Maintained web pages, intranet and social media accounts.
• Controlled and managed server room, wireless network, server infrastructure, audiovisual equipment, laptops and video conferencing equipment.
• Delivered onsite technical support for 8 employees.
• Applied a thorough understanding of company policies to ensure smooth medical services.
• Communicated with executive team and CEO to maximize efficiencies and resolve issues.
• Trained and supported end-users with software, hardware and network standards and use processes.
• Performed tests of functionality, security and performance of different workstations and devices.
• Identified potential risk and developed resolution processes.
• Maintained hardware and software with new installations, repairs and patches Lead Information Systems Technician
Evensky & Katz Wealth Management - Coral Gables, FL February 2002 to August 2005
• Devised IT system for 16 person company and installed necessary systems.
• Trained staff members on computer use and updated systems.
• Researched new technologies and chose best options for company priorities and cost-effectiveness.
• Ensured technology systems and procedures met overall company priorities.
• Searched for and approved purchases of new equipment.
• Managed firewall, network monitoring and server monitoring both on- and off-site.
• Trained junior members of IT team regarding network security and troubleshooting of data circuits.
• Used diagnostic tools to identify hardware failures and replace components that were not functioning.
• Backed up company data on a regular basis, which proved effective in successfully recovering critical information after a malware attack.
• Ensured network, system and data availability and integrity through preventative maintenance and upgrades.
• Collaborated with clients from concept through final delivery of product or service. Information Systems Technician
Southern Data Systems Inc - Miami, FL
March 2000 to February 2002
• As a consultant had multiple clients within multiple industries.
• Handled service requests, including initial troubleshooting and escalation.
• Worked with Windows, Linux and Unix operating systems.
• Installed, configured and patched user hardware and software.
• Cultivated and maintained a network of lucrative clients.
• Installed and configured hardware and software components from such vendors as HP, VMware and Cisco.
• Recommended technology upgrades and complementary products that could improve customer security.
• Collaborated with client and interdepartmental peers to take client requirements and transform them into turnkey solutions.
• Implemented, tested and handled the troubleshooting of surveillance systems comprised of security alarms, cameras and Internet connectivity.
• Provided customers with helpdesk support and troubleshooting on printers, PCs and laptops and mobile devices.
• Implemented company policies, technical procedures and standards for preserving the integrity and security of data, reports and access.
• Designed and implemented new server standards for core business services.
• Recommended architectural improvements, design solutions and integration solutions. Information Technology Manager
Cybear, Inc - Boca Raton, FL
May 1999 to May 2000
• Liaison between the medical and technical team
• Analyzed network security and current infrastructure to assess areas in need of improvement and develop solutions.
• Worked closely with management teams to plan, develop, coordinate and execute strategies aligned to the client's vision, mission and purpose.
• Played key role in on-going network design, reevaluation and optimization to keep pace with company growth.
• Led and assisted technical upgrade projects for clients by working and coordinating with consultants and developers for integrations.
• Implemented and managed wireless devices, multi-site network infrastructure, business intelligence development and implementation.
• Prepared and managed the IT budget.
• Conducted daily system monitoring, verifying the security, integrity and availability of all hardware, server resources, applications and key processes.
• Diagnosed and repaired computer hardware and network systems. Network Administrator
Media One Group LLC - Pompano Beach, FL
July 1997 to May 1999
• Configured, managed and evaluated multi-protocol network elements to ensure effective end-to-end communications.
• Configured Cisco Routers & Switches
• Configured Bay Networks/Nortel Cable Modem Switches
• Provided network support and performed troubleshooting to resolve various WAN/LAN connectivity issues.
• Completed efficient and effective troubleshooting of complex multi-vendor network service provider issues.
Help Desk Support
Precision Response Corporation - Miami, FL
May 1995 to June 1997
• Managed L1 help desk processes and procedure.
• Provided excellent customer service through communication and interpersonal skills.
• Managed firewall, network monitoring and server monitoring both on- and off-site.
• Trained junior members of IT team regarding network security and troubleshooting of data circuits.
• Managed data backups and disaster recovery operations for a 250 person company.
• Ensured continuity of computer and telephone system services for users through technical expertise, assistance and project coordination.
• Troubleshot failed drives, warnings and unscheduled reboots.
• Worked With SCO Unix, Linux, And Solaris UNIX servers
• Configured and Prepare SUN Micro systems UNIX for Oracle Databases
• Installed patches and performed backups, system builds and image updates.
• Optimized network operations by monitoring, troubleshooting and enforcing Department of Defense
(DoD) security compliance.
• Supervised 3 external computer consultants and vendors.
• Planned, coordinated and implemented network security measures. Education
Associate
Skills
• AWS (Less than 1 year)
• Cisco. (3 years)
• data center (10+ years)
• LAN (1 year)
• LAN/WAN (Less than 1 year)
• Linux (10+ years)
• network security (6 years)
• security (10+ years)
• Training (Less than 1 year)
• Unix (10+ years)
• Network Firewalls
• VMWare (10+ years)
• Network Monitoring
• Microsoft Windows (10+ years)
• TCP/IP (10+ years)
• DNS (10+ years)
• Disaster Recovery (10+ years)
• VoIP
• Telephony
• Microsoft Windows Server
• Medical background (10+ years)
• Apache
• Remedy
• Shell Scripting
• Ethernet
• MPLS
• OSPF
• Document management
• IT support
• FTP
• Medical terminology
• Typing
• Citrix
• VPN
• Operating Systems
• System Administration
• Network Support
• DHCP
• Active Directory
Languages
• English - Fluent
• Spanish - Fluent