Joaquim Mac-Mahon, IT Support Specialist

FREELANCER.

Dec 2022 – Present

IT SUPPORT TECHNICIAN

Working for local companies, and worldwide IT managed service companies, as L1 and L2 On-Demand support technician. • On-Site/remote support for incidents, tasks, requests, changes, and asset management. • Support for LAN, VLANs, MAN, WAN, SD-WAN, WI-FI networks connectivity using Grafana and OpenNMS, and SecureCRT for remote access, BGP monitoring, diagnosis and troubleshooting. • Network devices, servers, and SIP/VoIP devices commission and decommission.

UPWORK FREELANCER, (REMOTE).

Apr 2023 – Oct 2023

M365 BUSINESS ADVISOR

Worked for Upwork, providing support to M365 customers from Brazil, US, UK, as Business Advisor. . • Support to purchase flow users, guiding them to choose the right M365 product. • Support to M365 Admin Center users , configuring and fixing issues with AAD, personalized domains configurations, Exchange Online, SharePoint, Teams, users licensing, billing issues, Office Apps, etc.

UNISTARTECH

Sep 2022 – Oct 2022

IT DATA CENTER TECHNICIAN

Worked in a high-end Recovery’s Data Centered with NOC and SOC monitoring project. • Support for RDC´s NOC and SOC monitoring software, and High Availability Data center´s topology. • Support for Huawei´s Modular Data Center, and NetEco Data Center Management System. • To translate and prepare data center's presentation, and staff training Power Points.

WEECONNECT

Jan 2022 – May 2022

IT TECHNICAL SUPPORT

End user technical support for a contact center project providing services for a local cellphone company. ● Support for VMware ESXi virtual machines DC servers, AD users, DNS, DHCP, SMTP, POP3, IMAP, file share, network printers. ● Support for IPPBX, SIP Trunk, IP phones, Cisco routers, and L2/L3 PoE switches.

LINKADO SECURITY & IT

Jun 2021 – Dec 2021

IT TECHNICAL SUPPORT

AFRIZONA SECURITY, IT &Lab

Nov 2020 – Jun 2021

IT TECHNICAL SUPPORT

To provide support for IoT monitorization project for a local Bank company, network and systems technical support for small business, large companies and individuals. • Support for an IoT monitoring project with PLCs, Web Relays, and Ethernet/IP modules. • Support to Honeywell Fusion IV and MaxPro DVRs/ NVRs, and cameras CCTV system.

SELF-EMPLOYED,

Jan 2012 – Nov 2020

IT TECHNICAL SUPPORT

To serve as first point of contact for small business and individuals related to hardware, software and IT technical support services. ● To explain technical information in clear terms to non-technical individuals. ● To respond to support requests from end users and patiently walked individuals through basic troubleshooting tasks.

ODEBRECHT, CATOCA PROJECT,

Jan 2006 – Dec 2011

NETWORK ADMINISTRATOR

To serve as levels 1 and 2 network and sys admin team member for a large mining company in a multicultural work environment and a distributed IT infrastructure. ● Consistent support for 500+ users between 2+ sites with MS Active Directory. ● Support for WAN link Linux server with LDAP authentication, Squid proxy server, Apache web server, ACLs, IP TABLES for packet and content filter, Webalizer syslog reader. ● Support for Cisco ISR 2811/2911 routers, 2960/3560 L2/L3 PoE switches with VLANs, VTP, 802.1Q, QoS, STP, SNMP, 7912/7940 SCCP IP phones.

ODEBRECHT, CAPANDA PROJECT,

Aug 2001 – Dec 2005

IT TECHNICAL SUPPORT ASSISTANT

To serve as level 1 technical support team member, for a large Dam company in a multicultural work environment and a distributed IT infrastructure. ● To migrate Windows NT4.0 Server domain to Windows 2000 Server domain. ● To create support documentation to improve end user skills and find resolutions to questions without intervention from support team.

Joaquim Mac-Mahon

IT Support Specialist

Skills

Languages