As an Enterprise Systems Manager specializing in networking, I lead the management and support of our network infrastructure. Serving as the final escalation point for complex technical issues, I oversee multiple functional areas within the department to ensure seamless operations.Key Responsibilities:Network Infrastructure Design and Maintenance: Design, implement, and maintain core networking systems, ensuring compliance with security policies and industry best practices. Proficient in routing protocols (BGP, OSPF, EIGRP), WAN technologies (MPLS, VPN, SD-WAN), Cisco technologies (Nexus, Catalyst), and data center networking architectures.Preventative Maintenance and Documentation: Develop and document preventative maintenance programs and standard operating procedures to enhance system reliability and efficiency.Complex Design Architecture: Define and document complex design architectures, ensuring system reliability and efficiency.Team Leadership and Mentorship: Mentor team members, lead projects, and foster a collaborative environment to promote professional growth and effective teamwork.Inter-department Communication: Communicate effectively with inter-department teams and management to achieve company-wide objectives and ensure alignment with strategic goals.

• Exceptional troubleshooting skills and strong deductive and analytical reasoning.• Excellent understanding of LAN/WAN/WLAN technologies and implementations.• A strong customer focus and a determination to improve the IT experience of our employees and customers• The ability to manage multiple projects and priorities.• Administer, maintain and monitor data center networking equipment, including switches, routers, firewalls, wireless controllers, access points.• Maximizes network efficiencies by monitoring performance, troubleshooting network problems and outages, scheduling upgrades/updates and network optimization.• Participate as a contributor in the implementation of projects.• Prepare and maintain documentation of configurations, procedures.• Communicate clear information to other departments regarding network changes, ensure each department understands and agrees to the network changing plan.• Support various network technologies to ensure network availability and stability, proactively assess potential issues and looking for solutions to address the issue, improve the overall network quality and service uptime.• Optimize the existing network monitoring solution, improve monitoring coverage and reduce false-alarm rate.• Perform network performance tuning and capacity planning.• Initiative and desire to solve problems and to improve existing processes and technologies where needed.• Team player with interest and desire to assist and guide other technicians towards success.• Maintain internal and customer ticket requests.• Develop, review and maintain security policies and standards for network infrastructure.• Delegate tasks to ensure areas of the project are carried through timely and effectively.• Strong understanding and hands-on knowledge of VPN, BGP, OSPF, EIGRP.• Knowledge of Active Directory, Private Key Infrastructure (PKI), SMTP, DNS, & load balancing.• Experience with SonicWALL, GMS , Cisco ASA, FirePOWER, Fortinet, Palo Alto.

- Architect, design, implement new systems as well as document existing data systems in a multitenant environment. - Establishes and maintains network performance by building network configuration and connections, troubleshooting and re-mediating network related problems.- Work with the local/regional support team members, guided by company objectives and priorities, direct responsibility for the engineering, up-time and integrity of customer environments, specializing in Intel virtualization, desktop/server systems and LAN/WAN appliances. - Ensures client satisfaction; maintains accountability throughout resolution, including issue delegation or hand off.- Establishes networking environment by designing system configuration; directing system installation; defining, documenting, and enforcing system standards.- Maximizes network performance by monitoring performance; troubleshooting network problems and outages; scheduling upgrades; collaborating with network architects on network optimization.- Secures network system by establishing and enforcing policies; defining and monitoring access.- Accomplishes information systems and organization mission by completing related results as needed.- Reporting network operational status by gathering, prioritizing information; managing projects.- Design and Installation of Computer networks (LAN, WAN).- Installation of server hardware and software infrastructure.- Monitor network usage and security.- Ensure that network systems are operational and running smoothly- Troubleshooting and restoration of systems after outages- Undertake routine preventative measures and implement, maintain and monitor network security- Ensure systems comply with industry standards- Document network problems- Installation and maintenance of network services and equipment- Management of Firewalls (Cisco ASA series, Sonicwall, Watchguard, etc.)

- Analyzes, designs, and configures network performance meets company's expectations while providing direction, information, and recommendations regarding network configurations and installations. - Developed a high availability strategy with IP SLA Operations to maintain all the branches online even if the main link fail, this reduced in 99 percent the time a branch lost connection to the headquarter.- LAN/WAN daily operations: Router & Switch configurations, Access lists, IP SLA.- Experience administering a corporate network with more than 200 Cisco devices including Routers 861, 888, 1841, 1921, 2811, 2911 Integrated Services Router and Catalyst 4506E, 6506E, 3560. 3650. 2960+. 3750, more than 80 locations with different WAN links: Frame Relay, DSL, Radio frequency, Fiber optic.- Working knowledge with dynamic routing protocols EIGRP, OSPF, BGP.- Knowledge administering Active Directory, Domain Controllers, Hyper-V, DHCP, DNS, Print Server roles in windows server 2008 R2 and 2012 R2.- Collaborates with team members to design resilient and fiscally sound solutions while implementing and testing designs through partnership with IT and business partners. - Troubleshoots isolation and resolution for service impacting events while identifying root cause preventing and proactively measuring to deploy in the enterprise. - Identifies, troubleshoots and resolves hardware-, software- and network-related problems with the Internet, the mainframe, PCs and Macintoshes and new computer technology. - Monitored the network performance regularly to improve performance and functionality.- Visio Drawings - drew and updating for reference use continuously.- High experience in SolarWinds NPM, NTA, VNQM, NCM Server, HP IMC for network management.

- Researched problems independently and identifying the root cause of issues using product knowledge and problem determination skills. - Troubleshot and resolved customer support cases by replicating problems, isolating the cause of problems, and identifying potential solutions to problems. - Trains end-users on the use and features of the various operating systems and applications on the various platforms.

- Operated and monitored communication consoles to receive and relay command and control information or instructions.- Received construction and incident information and took appropriate response measures in accordance with established Standard Operating Procedures. - Designed and managed an intranet site containing troubleshooting guide of all systems reducing time to access information to resolve issues.

- Analysis of enterprise printing solutions, document scanning and digitizing- Implementation of solutions in equipment Sharp, Lexmark- Print server configuration in windows servers