Systems Administrator
2020 - PRESENTMFR - MicroFinanza Rating- Mounted infrastructure on Linux operating systems. Services included email, database engines, web hosting, naming services, firewall, and security.
- Managed cloud infrastructure (AWS). Designed and implemented AWS solutions (EC2, RDS, S3, CloudFront, Workspaces, VPC, Route 53, and SES).
- Configured and maintained operating systems. Monitored and optimized performance. Provided back-up solutions.
Technologies: Linux, Ubuntu Server, Email, SMTP, Databases, MySQL, PostgreSQL, Redis, AWS ElastiCache, MongoDB, AWS Route 53, DNS, Securities, Cloud, Cloud Infrastructure, AWS EC2, AWS RDS, AWS S3, Amazon CloudFront CDN, Amazon Virtual Private Cloud (VPC), AWS SES, Operating Systems, Monitoring, Optimization, Backups, Elastic Load Balancers, AWS Auto Scaling, AWS Cloud Architecture, Linux Server Administration, Linux Server Configuration, Identity & Access Management (IAM), Bash, Apache, Monit, Nagios, Cloud Security, Server Security, AWS DevOps, DevOps Engineer, DevOpsNetworking, Cloud, and Data Center Infrastructure Engineer
2010 - PRESENTSoliSYSTEMS- Automated implementation of a cryptocurrency app cloud infrastructure using the blockchain stellar network, Terraform, Git repositories, Bitbucket pipelines, and serverless architectures (AWS ECS Fargate, ECR, RDS, S3, CloudFront, ALB, VPC, and SES).
- Elaborated and deployed Payment Card Industry Data Security Standard (PCI DSS) Report on Compliance (RoC) to annually validate PCI compliance for an ATM network.
- Designed the VPN infrastructure for US ATM machines authenticated against on-premises data center infrastructure.
- Designed and implemented a Windows Server Failover Cluster solution for real-time scheduling and monitoring at a Nissan car factory.
- Migrated a co-location center with 20 different services and servers to AWS cloud.
- Managed the company network which included designing the LAN and WAN network, and providing administration, implementation, and support.
- Provided network services architecture set up and administration. Most of it was based on GNU/Linux and Windows operating systems (electronic mail, database engines, web hosting, name services, firewalling, VPNs, security, LDAP, back-up).
- Managed the cloud infrastructure (AWS, Rackspace, Google Cloud Platform). Designed and deployed AWS and solutions (EC2, RDS, S3, CloudFront, Workspaces, VPC, Route 53, and SES).
Technologies: IP Networks, Networking, LAN, WAN, IP Telephony, Linux, Windows Server, Email, Databases, Hosting, Cloud, DNS, Firewalls, VPN, Securities, LDAP, Data Center Migration, Data Center Infrastructure, AWS, Failover Solutions, Cluster, Operating Systems, PCI DSS, Server Backups, Terraform, CI/CD Pipelines, Pipelines, Git, Jenkins, Jenkins Pipeline, Bitbucket, Amazon Virtual Private Cloud (VPC), NAT, AWS ALB, AWS ECS, AWS Auto Scaling, AWS ElastiCache, Memcached, PostgreSQL, AWS RDS, Docker, AWS ECR, AWS Systems Manager, Amazon CloudFront CDN, AWS S3, AWS Route 53, AWS CloudWatch, Stellar SDK, AWS EC2, Blockchain, Agile Software Development, Infrastructure as Code (IaC), AWS Cloud Architecture, Linux Server Administration, Linux Server Configuration, Identity & Access Management (IAM), Bash, Atlassian Suite, Apache, Monit, Nagios, Continuous Integration (CI), Continuous Delivery (CD), Cloud Security, Server Security, Networks, AWS DevOps, DevOps Engineer, DevOpsCIO (Chief Information Officer)
2016 - 2021Universidad Tecnológica Nacional- Oversaw infrastructure, technical support, and systems development under the secretary of information and communication technologies at UTN-FRSF. Planned and managed activities related to information and communication technologies.
- Led the migration of data and network services to the Microsoft Azure cloud.
- Coordinated the operation, maintenance, and optimization of communications networks, data center, and voice, video, and data communication networks.
- Ensured the development, implementation, and maintenance of information systems providing the necessary services and information on time.
- Promoted the effective and efficient operation of information systems, especially regarding computer equipment, the use of applications, and network services.
- Managed and advised on issues related to information systems for hardware and software. Guided and recommended strategies to achieve and maintain the normal functioning of computer and communications equipment.
Technologies: CIO, IT Infrastructure, Data Center Infrastructure, Cloud Infrastructure, Hybrid Cloud Infrastructure, Technical Support, Development, Information Systems, Telecom Equipment & Solutions, Networking, IP Networks, Azure, Hardware, Software, Information & Communications Technology (ICT), Voice, Video Conferencing, Data Communication, Applications, Clustering, Cluster, Linux Server Administration, Linux Server Configuration, Bash, Apache, Monit, Nagios, Server Security, NetworksSystem Administrator and Cloud Architect
2013 - 2021Sitejabber- Managed Cloud Infrastructure (AWS). Designed and deployed AWS solutions (EC2, RDS, S3, CloudFront, Workspaces, VPC, Route 53, and SES).
- Designed and implemented an HA solution with AWS Load Balancer and autoscaling groups. Designed and deployed a CI/CD pipeline using Jenkins and Ansible.
- Deployed network services architecture set up and administration. Hosted services on Linux operating systems (electronic mail, database engines, web hosting, name services, firewalling, security).
- Analyzed security in network devices and infrastructure. Managed compromised web server security.
- Set up and maintained operating systems. Monitored and optimized performance. Provided back-up solutions and implemented IaaS, PaaS, and SaaS.
- Implemented monitoring and alert systems using Monit and AWS CloudWatch with notifications to mail and Slack channels reducing system downtime.
Technologies: Networking, IP Networks, Linux, Jenkins, Jenkins Pipeline, Email, SMTP, Databases, Web Hosting, DNS, Firewalls, Web Security, AWS, Amazon Web Services (AWS), AWS EC2, AWS RDS, AWS S3, Amazon CloudFront CDN, Amazon Virtual Private Cloud (VPC), AWS Route 53, AWS SES, Monitoring, AWS CloudWatch, Optimization, Backups, Elastic Load Balancers, AWS Auto Scaling, Amazon EFS, MySQL, Redis, Ansible, AWS Cloud Architecture, Linux Server Administration, Linux Server Configuration, Identity & Access Management (IAM), Bash, Apache, Slack, Monit, Nagios, Continuous Integration (CI), Continuous Delivery (CD), Cloud Security, Server Security, Networks, AWS DevOps, DevOps Engineer, DevOpsSmart Cities and IoT Consultant
2018 - 2020International Telecommunication Union- Coordinated the survey of key performance indicators (KPI) for smart and sustainable cities (SSC) at the request of the Municipalities of the Cities of Santa Fe and Esperanza, Argentina.
- Performed a consultancy study to define the basis of elaborating a National Plan of IoT (Internet of Things) at the request of the Secretariat of Information Technologies and Communications (SETIC) of the Ministry of Modernization of Argentina.
- Served as Host Committee Chairman of the 10th ITU Kaleidoscope Academic Conference and 3rd World Forum of Smart Cities. Topic: Machine learning for a 5G future.
- Coordinated the Argentine team of the ITU-T sector in the project "Argentine Universities in the ITU" of the Universidad Tecnológica Nacional.
- Assisted with the ITU-T Y.4000 Supplement 32 Series Editor: Smart Sustainable Cities, A Guide for City Leaders and the Standard Y.rrm-data: Oversaw the requirements and reference model of data related to IoT in the infrastructure of cities.
Technologies: Key Performance Indicators (KPIs), Smart Cities, Internet of Things (IoT), Machine Learning, 5G, Smart City TechnologyProfessor of the Graduate Course "ITU and International ICT Organizations"
2017 - 2020Universidad Tecnológica Nacional- Addressed the development of ICT from the study of the organizations that promote it and their actions in this regard.
- Answered several questions: How ICT evolved and where are they going, what are the principles that govern this evolution, what is a technical standard and how is it drawn up, and how are standards established?
- Taught how the International Telecommunications Union (ITU) intervenes in the development of ICT. Outlined the recommendation and clarified the requirements to be a member of that body.
Technologies: ICT Training, Information & Communications Technology (ICT), ISO Standards, ANSI Standards, ITU Standards, Technical StandardsInstructor
2001 - 2017Cisco Networking Academy- Trained LAN, WAN, and WLAN design, installation, and administration LAN: TCP/IP Protocols, VLANs and VTP, 802.1q Trunking, Load Balancing, and HSRP.
- Trained WAN: PPP, PAP, and CHAP authentication. PPP over Frame Relay. Frame Relay router and switch configuration. ISDN configuration. Dial-on-demand routing over ISDN and PSTN. Backup links.
- Taught structured cabling: Organized and conducted different structured cabling projects that included installation, rough-in, trim out, finish phases, and network cabling testing and certification.
- Trained security: Firewall and Access Lists, PPTP VPN operations, NAT and PAT. Network troubleshooting and monitoring using SNMP and RMON. VPN configuration for remote users and VoIP configuration.
Technologies: LAN, WAN, WLAN, Wireless, Cisco Wireless, TCP/IP, VLANs, VLAN Trunking Protocol (VTP), Dynamic Load Balancing, HSRP, Securities, Firewalls, Network Access Control, VPN, Point-to-Point Tunneling Protocol (PPTP), NAT, SNMP, VoIPDirector of Communications and Data Center
2010 - 2016Universidad Tecnológica Nacional- Managed the UTN-FRSF network infrastructure, including video conference services, IP telephony, server hosting, corporate WiFi infrastructure, back-up systems, server virtualization platform, internet links, and file repository.
- Designed and implemented IP networks. Configured network devices: Multilayer switches, storage, WAN routers, and proxy servers. Managed Linux and Microsoft Windows operating systems. Configured and managed network services.
- Audited network security: Firewalling and security policies.
- Managed a team of ten as project manager, assigning tasks and providing technical leadership.
Technologies: Networking, IP Networks, Video Conferencing, IT Infrastructure, Data Center Infrastructure, VoIP Administration, VoIP, Hosting, WiFi, Wireless, Backups, Virtualization Technology, File Servers, Internetworking, Cisco, Cisco Switches, SAN Switches, Storage, WAN, LAN, LAN Devices, Cisco Routers, Proxy Servers, Linux, Ubuntu Server, Windows Server, SMTP, POP, IMAP, DNS, DHCP, MySQL, VPN, Securities, Firewalls, Security Policies & Procedures, IT Project Management, Linux Server Administration, Linux Server Configuration, Bash, Apache, Monit, Nagios, Server Security, NetworksNetwork Administrator
2001 - 2009Universidad Tecnológica Nacional- Installed and managed the business’ web front and corporate services running on Linux servers and Cisco routers and switches. Managed Windows Server, Active Directory, and different Microsoft roles.
- Implemented and managed VMware and hyper-v virtualization infrastructure and storage devices. Designed a database for DHCP and DNS records using PHP and MySQL. Served as DNS and DHCP host master.
- Analyzed, designed, and implemented a new IP network infrastructure solution that provided integrated network services.
- Involved in the planning and realization of a new cabling structure (twisted pair, category 6a) in different areas of the building. Conducted network cabling testing and certification. Operated network digital cable analyzers.
- Implemented network security and firewalls, Squid web proxy cache, and IP masquerading (Source NAT). Implemented load-balanced fault-tolerant links.
- Provided customer technical support, network administration, troubleshooting and monitoring, set up and maintenance of computers, software, and hardware.
Technologies: Web, Linux, Servers, MySQL, MySQL Server, Cisco, Cisco Routers, Cisco Switches, Windows Server, Azure Active Directory, VMware, Hyper-V, IT Infrastructure, Data Center Infrastructure, Storage, Databases, DHCP, DNS, PHP, IP Networks, Networking, Cabling, Securities, Firewalls, Proxies, Squid, NAT, Load Balancers, Fault Tolerance, Troubleshooting, Monitoring, Software, Hardware, Linux Server Administration, Linux Server Configuration, Bash, Apache, Nagios, Server Security, NetworksInformation Analyst, IT Coordinator
2005 - 2007World Bank Group- Evaluated client needs and provided solutions addressing systems. Promoted greater availability, accessibility, and effective dissemination and use of information. Managed devices and provided support for meetings, conferences, and seminars.
- Supported over 120 users, helping them solve hardware, software, and network problems. Provided department-level network administration, including routine troubleshooting, accounts creation, and upgrades.
- Provided Lotus Notes support, including the configuration of home systems and the preparation of laptop configurations for traveling staff. Remote access assistance.
- Supported staff in SAP, Microsoft Office software, and World Bank applications. Designed and created a sector unit website. Operated and managed Windows Server. Managed Active Directory.
Technologies: Technical Support, Hardware, Software, Networking, IP Networks, Lotus Notes, VPN, Remote Support, Troubleshooting, Accounts, Video Conferencing, SAP, Websites, Windows Server, Active Directory Programming, Networks