Jobemario A.

IT Operations Specialist

Infrastructure Analyst III
2/1/2024 - 4/1/2024

Developed proficiency in delivering project and customer support for Azure, AWS, and GCP. Collaborated with clients to identify and define technical requirements for the design of reference architectures, focusing on cloud solutions deployment. Provided support, management, and analytical skills to resolve application issues on both cloud and on-premises platforms. Conducted in-depth analysis of issues related to network topology, firewalls, and load balancers. Coordinated effectively with infrastructure project teams to implement and improve environmental conditions. Utilized a diverse range of technologies and tools including Microsoft365 (Compliance, Security, Endpoint Manager), private cloud virtualization technologies such as VMware and Hyper-V, and monitoring tools like Zabbix, Grafana, Prometheus, and Graylog. Demonstrated expertise in IT service management tools (ITSM), Snort, and Wazuh.

Acquired substantial experience with operating systems including Windows and Linux, webservers like Apache and IIS, and directory services such as Active Directory, WSUS, and Azure AD. Managed service delivery in SaaS, IaaS, and PaaS models. Worked with firewall applications including Fortigate and Cisco ASA to manage policies, ACLs, VPN, NAC, IPS, IPSEC, and VLAN configurations. Managed and troubleshooted load balancing solutions using F5 (Big-IP) with knowledge in Virtual Server/Pool/Nodes, iRules, and Monitoring. Gained expertise in dynamic routing protocols including BGP and OSPF, and managed networks that span LAN-to-LAN, MPLS, and SD-WAN architectures.

Observability Support Analyst Dynatrace.
9/1/2023 - 12/1/2023

Acted as the responsible party for 24x7 Dynatrace Observability in financial technology environments, with a focus on analyzing and managing events in the Standin System that steps in for the Issuer during unavailability, timeouts, emergencies, or scheduled maintenance. Worked extensively with transaction processing for Bacen/CC/Issuer and Acquirer, PIX, and Current Account services for both corporate and personal clients. Leveraged skills in data administration and processing to automate routines, thereby minimizing operational costs. Handled Bacen-related incidents and monitored activities using Grafana, CA-UIM, and Spectrum, adhering to specific and routine procedures as documented by the area. Provided support in crisis rooms addressing monitoring issues and contributed to various technological activities, including operating systems, networks, and infrastructure within Microsoft environments. Utilized containerization tools such as Docker and orchestrators like Kubernetes, Docker Swarm, Rancher, and OpenShift. Demonstrated adeptness in cloud administration across major providers including AWS, GCP, and Azure, as well as virtualization technologies like VMware and Hyper-V. Maintained updated documentation and proactively informed the team of any identified areas for improvement.

Infrastructure Analyst Full I
5/1/2023 - 8/1/2023

Developed proficiency in managing, configuring, and maintaining physical and virtual servers, ensuring seamless operations within local and remote networks, including switches, routers, and firewalls. Demonstrated expertise in cloud storage configuration and management on AWS, Azure, and Google Cloudflare. Effective in monitoring system integrity and performance using Zabbix/Grafana environments, both on-premise and in the cloud. Facilitated collaborative action with software development teams to ensure system availability and efficiency. Created comprehensive technical documentation and standard operating procedures to streamline processes. Provided end-user support and administered Windows Server 2012 R2 servers, networks, and cloud storage systems. Showcased skills in virtualization tools such as VMware and Hyper-V and worked extensively with network protocols, including TCP/IP, DNS, and DHCP. Administered Active Directory and Microsoft 365, and utilized advanced features of Microsoft SharePoint. Conducted in-depth analysis and problem resolution, including root cause analysis, within both Windows and Linux operating systems. Engaged in project management and synergy with other technology areas to enhance business/work engagement, and participated in War Room routines to address major incidents effectively.

Infrastructure Analyst-PL
1/1/2023 - 4/1/2023

Gained expertise in incident handling and environments utilizing ITSM and ITOM tools within financial institutions, including investment banks and credit unions. Managed incidents involving Active MQ on Linux Red Hat, with responsibilities encompassing application deployment, configuration, and troubleshooting across IBM Liberty, VMware vSphere, ESXi, Administration Server, Center Server, Websphere, and IHS. Utilized Jenkins for continuous integration, along with Dynatrace and Grafana for monitoring and performance analysis. Effectively managed alerts, incidents, and lifecycle processes, from detection to closure, and followed War Room routines for addressing high-impact incidents.

Developed skills in network management systems (NMS), incident management on Windows Server, DNS, SNMP, dynamic routing, LAN-WAN networks, SD-WAN, DHCP, and network administration. Conducted proactive monitoring, network support, remote access, and network security tasks, including working with Cisco switches and F5 BigIP. Demonstrated analytical capabilities in risk management, TCP/IP protocols, ITIL practices, and technical troubleshooting. Gained proficiency in handling firewalls, VMware infrastructure, remote support via VPN, and operational tasks involving Wi-Fi, IP, and Office 365.

Network Support Analyst Core N2
9/1/2022 - 12/1/2022

Developed expertise in ServiceNow for incident management, providing dedicated support for high-criticality transactional environments to ensure stability and availability. Gained proficiency in handling HSM services for encrypted key transactions and support for BIN Token or Motion Code transactions through TSP. Contributed significantly to fraud prevention and data processing systems like Elo Aquila and Stratus Bridge. Managed infrastructure services and equipment including Juniper Network, Cisco Switch, Paloalto Firewall, and F5 Networks BIG-IP Load Balancer. Utilized monitoring tools such as Zabbix, Grafana, Kibana, Nava Flex Vision, and Prometheus for maintaining system health and performance. Ensured efficient job routines and equipment status checks through CONTROL-M. Played a critical role in customer support and operating system management with a focus on resolving major incidents in War Room scenarios.

Network Analyst II (Night Shift)
12/1/2020 - 8/1/2022

Handled tickets and incidents, adeptly analyzing and solving technical problems while performing operational routines. Specialized in setting up, managing, and troubleshooting LAN, WLAN, and WAN environments, including MPLS Networks, SDWAN, and WAN/LAN network topologies. Demonstrated expertise in network symbols and hierarchies, and the NSP System (Nokia Router), with extensive experience in setting up and troubleshooting routers via SSH and Telnet.

Proficient in wireless networking technologies such as Cisco, Aruba, and Meraki, and skilled in network routing/switching using the Fortinet Platform, VeloCloud, Aruba, and Cisco SD-WAN. Mastered routing protocols including BGP, OSPF, and RIP, as well as TCP/IP v4. Capable of monitoring and configuring Cisco WiFi networks and setting up ACL, Route MAP, HSRP, Port-channel, and STP.

Performed operational tasks in a SOC environment, handling requests for the AED Bot, including IP blacklisting and whitelisting, and DDoS attack mitigation. Conducted network monitoring to prevent attacks and generated reports on the latest requests for the AED Bot. Delivered exceptional customer support and adhered to War Room routines focused on managing major incidents.

NOC Support Analyst Pleno
11/1/2020 - 4/1/2021

Developed technical expertise in deploying and managing network assets, including routers and switches, with a focus on maintaining both local and remote networks. Specialized in the configuration and development of monitoring tools using Zabbix and Grafana, including the troubleshooting and validation of incidents, alongside normalizing network operations. Ensured the proper functioning of network security through the configuration and maintenance of TCP/IP protocols and backup software, and efficiently managed modems, routers, and wireless networks. Demonstrated proficiency in server operating system troubleshooting, providing support for the SITEF system via remote tools like Team Viewer. Delivered comprehensive daily operational reports.

Excelled in network management systems (NMS) and incident management, showcasing skills in Microsoft Office, Windows Server, and DNS. Demonstrated advanced knowledge of SNMP, dynamic routing, LAN-WAN networks, SD-WAN, DHCP, and network administration. Exhibited strong capabilities in proactive monitoring, network support, and remote access, emphasizing network security using various Cisco switches and other infrastructure components. Proved analytical ability in the realms of TCP/IP, ITIL, Linux, Wi-Fi, IP, VPN, technical troubleshooting, VoIP, and firewalls, ensuring robust risk management and incident management effectiveness.

NOC Monitoring Analyst II
11/1/2018 - 7/1/2019

Served as a Tier III Datacenter Operator, tasked with maintaining and ensuring the proper functioning of the Datacenter environment. Performed essential daily routines such as checking for abnormalities, setting up consoles on various equipment, assembling backup tapes, managing the intake and dispatch of equipment, and maintaining cable organization in racks. Demonstrated technical expertise in analyzing Network and Cloud asset monitoring, overseeing servers and specific services from various customers in a shared center. Managed incidents by opening and handling them, validating issues, and providing first-level support for customer inquiries and requests. Maintained constant communication with customers, reporting updates and keeping the ticket queue current. Collaborated with other technical teams and Datacenter departments, managing calls via PRTG, NAGIOS, Zabbix, CA-UIM, and AppDynamics systems. Conducted maintenance and implementation of protocols such as MPLS, QoS, BFD, OSPF, and BGP in client project backbone networks.

IT Support Analyst
2/1/2018 - 6/1/2018

Served as a Help Desk Support Analyst providing hardware and software support at both 1st and 2nd levels, focusing on the maintenance of computer networks, printers, antivirus applications, general software applications, and email account configurations. Handled the installation and configuration of digital certificates and automation hardware. Participated in multiple projects, including Proxy configuration and network domain migration as requested by project coordinators and managers. Conducted user account management tasks within Active Directory (AD), including password resets and PC migrations to different buildings. Provided in-depth support for AVAYA Telephony, including creating users in System Manager, changing Avaya extension passwords, configuring Communication Operation Ratios (COR), and installing and configuring Equinox Avaya. Supported Avaya Unified Communications for end-users and executed Datacenter network and infrastructure monitoring using the ZABBIX system. Demonstrated solid knowledge and skills in microinformatics and user support.

Infrastructure Network Analyst - NOC
3/1/2008 - 1/1/2015

Developed expertise in network and fiber optic infrastructure monitoring using NAGIOS SYSTEM. Managed incident tracking with precise recording of start and end times and provided accurate estimated restoration times. Handled recovery operations for Net fone, Virtua, and Bsod Links, as well as Optical Fiber. Managed and operated SDH, PDH, and ETH network equipment alongside WI-FI, CMTS, HUB, and SERVERS from vendors such as CISCO, MOTOROLA, HUAWEI, and ARRIS. Demonstrated strong troubleshooting skills in network equipment, and actively participated in the deployment of new infrastructure projects in collaboration with Engineering, Datacenter, and NOC teams. Provided recovery and support for Wan-Lan networks, ensuring robust TCP/IP networking and VPN and dedicated IP configurations.

Big Data Foundation at itcerts
6/1/2018