Oswaldo Martinez
San Antonio,TX
Summary
Dynamic Senior Network Engineer with a proven track record, specializing in network security and infrastructure. Expert in routing protocols and troubleshooting, I successfully enhanced network performance, achieving 90% uptime. Adept at mentoring teams and implementing cloud networking solutions, I drive efficiency and innovation in every project. Highly skilled in designing, implementing, and managing complex computer networks tailored to meet organizational needs. Demonstrated ability to troubleshoot critical network issues, ensuring minimal downtime and optimal performance. Strong in collaborating with cross-functional teams to deliver projects on time and under budget, significantly improving operational efficiency. Applied innovative approaches to enhance system security and resilience against cyber threats, safeguarding company data and infrastructure.
Overview
19
19
years of professional experience
Work History
Senior Network Engineer
Strasz Assessment Systems
08.2021 - Current
- Designed and implemented robust network solutions for diverse client needs.
- Configured and maintained firewalls to enhance network security protocols.
- Monitored network performance using advanced diagnostic tools and techniques.
- Led projects to upgrade network infrastructure, ensuring minimal downtime during transitions.
- Identified and resolved network performance issues.
- Configured, monitored, and maintained routers, switches, firewalls, and load balancers.
- Developed network security policies to protect against unauthorized access.
- Reviewed system logs to determine usage levels, bandwidth, performance and system security to target inefficiencies and implement appropriate solutions.
- Performed system upgrades of hardware and software components to ensure optimal performance.
Senior Network Engineer
Magna5
08.2019 - 08.2021
- Designed and implemented robust network solutions for diverse client needs.
- Collaborated with cross-functional teams to troubleshoot connectivity issues.
- Monitored network performance using advanced diagnostic tools and techniques.
- Developed documentation for network configurations and procedures for staff training.
- Provided mentorship to junior engineers on best practices in networking technologies.
- Managed multiple vendor relationships with service providers and hardware and software vendors.
- Provided technical support for local area networks, wide area networks, virtual private networks and other data communication systems.
- Provided assistance with escalated help desk tickets related to networking issues.
- Implemented backup and disaster recovery plans for network infrastructure components.
Senior Systems Administrator
Davies Group
Dallas
01.2016 - 07.2019
- Administer and configure network expansions for new offices in various regions and countries.
- Provided first- and second-level escalation support for network, telecommunications, and security issues.
- Promptly conducted scheduled Meraki upgrades and configuration changes once a week, without service downtime, to maintain service quality.
- Managed system configurations and updates for enterprise-level applications.
- Supported users by troubleshooting hardware and software issues effectively.
- Trained junior staff on system operations and best practices in administration.
- Developed documentation for system processes and troubleshooting procedures.
- Diagnosed network problems using advanced troubleshooting techniques and tools.
- Conducted regular audits of the IT infrastructure components to identify any security vulnerabilities.
- Installed patches on servers according to the patch management policy of the organization.
Network Engineer
Makios Technology
Grapevine, TX
04.2012 - 01.2016
- Designed and implemented network configurations for optimal performance and reliability.
- Monitored network traffic to identify and resolve connectivity issues efficiently.
- Conducted regular maintenance on network equipment to ensure operational integrity.
- Developed documentation for network procedures and troubleshooting guides.
- Evaluated new networking technologies for potential integration into existing systems.
- Configured routers, switches, firewalls and other hardware to deploy and manage LAN, WAN and wireless networks.
- Installed software updates on servers, routers, firewalls, and other network devices.
- Provided technical support to users experiencing difficulties with their networks.
- Collaborated with other IT professionals to identify system needs and implement comprehensive solutions.
Entry Level Network Engineer
Poder Cívico A.C.
Mexico City
08.2006 - 02.2011
- Design and install network architecture for multiple companies, improving network reliability and reducing downtime by 60%.
- Resolved bandwidth utilization issues that improved 50% of network throughput by conducting a network performance analysis.
- Configure and maintain routers and switches for different locations across the country.
- Achieved 90% network uptime and zero security breaches.
- Manage the deployment of wireless access points across multiple sites, improving signal strength and coverage by 50%.
Education
Master's Degree - Homeland Security, Information Security and Forensics
Penn State College of Information Sciences and Technology
12.2022
Bachelor's Degree - Computer Science
Tecnologico de Monterrey
Mexico City05.2008
Certifications
- Cisco Certified Network Associate (CCNA)
- Cisco Certified Network Professional Security (CCNP Security)
- Cisco Certified Network Professional Enterprise (CCNP Enterprise)
- VMware Certified Professional 6 – Network Virtualization
- Cisco Certified Design Associate (CCDA)
- Cisco Certified Design Professional (CCDP)
- Cisco Certified Network Associate Wireless (CCNA Wireless)
- MCSA: Windows Server 2016 - Certified 2019
- Microsoft Certified: Azure Administrator Associate
Timeline
Senior Network Engineer
Strasz Assessment Systems
08.2021 - Current
Senior Network Engineer
Magna5
08.2019 - 08.2021
Senior Systems Administrator
Davies Group
01.2016 - 07.2019
Network Engineer
Makios Technology
04.2012 - 01.2016
Entry Level Network Engineer
Poder Cívico A.C.
08.2006 - 02.2011
Master's Degree - Homeland Security, Information Security and Forensics
Penn State College of Information Sciences and Technology
Bachelor's Degree - Computer Science
Tecnologico de Monterrey