Matheus Vasconcelos

Experience

• 

  SISVOO

  Jan 2007 - Mar 2007

  Trainee

  Printed Circuit Boards (PCB) layout design for PTH and SMT technologies.

• 

  Visionbyte Digital Services Int Inc

  Jun 2007 - Dec 2007

  Tech Sales

  Worked with Technical Sales. My main work was about to find suppliers of microelectronic chips and many other components to be used on the renewing of set-top-boxes for TVs as well as on modems and routers.

• 

  Ericsson

  Jan 2008 - now

  DDI Operations Manager - Ericsson Global ICT Center (GIC)DDI = DNS, DHCP and IPAM Responsibilities and goals:- Build and maintain the DDI and Time Infrastructure - Large install base covering several cities and countries- Monitoring and alerting- DNS migrations- Incident handling- Firmware upgrades and hardware swap- Support and Licenses renewal - Life Cycle Management - Capacity Management - Yearly Financial Forecast- Disaster Recovery Plans- Improve Operations- Support the Development of Infra & Network Design- Maintain the test environments Show less Network Engineer in the Global ICT Center (GIC) of Ericsson in Linköping.Main Responsibilities & Skills:- DNS administrator in Linköping, hosted by INFOBLOX appliences.- Synchronization administrator. (G.8265.1, G.8275.1, NTP etc, hosted by MEINBERG)- Network Support Engineer for Ericsson Engineering Cloud project.- Daily operations in our BGP based MPLS network, including 24/7 on call.- Programming: basic PYTHON scripting with API calls. - Experience with JUNIPER MX960, QFXes and EX families as well as CISCO ASR routers, ERICSSON SSR and SmartEdge, Extreme switches. Firewalls: Palo Alto and SRX. Show less Responsibilities:• As a System Verification engineer I was responsible for preparing the test environment, writing and executing test cases, writing trouble and test reports for the Baseband T605, SIU and TCU02 routers. I worked with manual testing of the Functionality and Characteristics test areas.• To support First Office Application (FOA) activities (when the SW leaves the lab and goes live) as well as customer demos.Main achievements/Projects:• Team leader between January 2014 and December 2015. Drive daily stand up meetings in lean an agile way of working. • As FOA support in Japan (eAccess 2011), Finland (DNA 2012), Slovenia (Telekom Slovenia (2013), Turkey (TurkCell 2014), Poland (Polkomtel 2014) and Telekom Slovenia again (2015 and 2016). Test the behavior of what has been implemented in live networks.• Gained experiences: Juniper Security Gateways, Cisco ASR routers, Smart Edge 600&1200, Ericsson’s SSR router, Axerra GW, Netgear and Extreme switches, IXIA/N2X data generators, BSC, RNC, BTSes, NodeBs, eNodeB and OSS.• Most tested features: Zero Touch Auto Integration, RAN Grand Master, PTP Time Boundary Clock, Transparent Clock, SyncE, IPsec VPN Redundancy, Certificates, LDAP, Switching, Policy Based Routing, BVI, Virtual Routers, BFD, TWAMP, Service OAM, Link OAM, OSPFv2, G.826, Access Control List (ACL), DHCPv4, QoS and Abis over IP.• Basic knowledge with Perl and Expect scripting as well as UNIX. Show less Responsibilities:TTC (Time to client) and TTM (Time to market), to deliver trainings and update training material, respectively. Travels around the world teaching GSM, WCDMA and LTE RANs, on both radio (RF) and equipment (configuration) focuses. Main achievements/Projects:• Some of the delivered trainings: San José, Costa Rica 2008 (RBS 2k family), La Paz, Bolivia-2009 (BSC Operation), Caracas, Venezuela-2009 (GSM in OSS), Manama, Bahrein 2009 (SIU-01), Madrid, Spain 2009&10 (RBS 6000), Buenos Aires, Argentina 2009 (RNC Operation), Kingston, Jamaica 2009 (GSM Signaling), (WCDMA Overview), Khartoum, Sudan 2009 (SIU), Gurgaon, India 2010 (SIU and IP troubleshooting), Santo Domingo, Dominican Republic 2010 (SIU and RBS6K), Rio de Janeiro, TIM Brazil 2010 (WCDMA Air Interface) and San José, Costa Rica 2011 (LTE Overview and Features).• Worked for half a year in a project between Ericsson and AT&T in the USA, to rollout and rehome NodeBs.• Experience with: Ericsson’s RBS 2k/3k/6k, BSC, RNC, SIU/TCU and OSS. Show less

  • DDI Operations Manager

    Jun 2021 - now

  • ICT Engineer - GIC Linköping

    Dec 2016 - now

  • Support Engineer - PDU BI (Product Development Unit Baseband and Interconnect)

    May 2011 - Dec 2016

  • Instructor

    Jan 2008 - Apr 2011