Loading Assets...

RENATO BATISTA

An excellent Infrastructure Specialist

ABOUT ME

Renato Batista - an Experienced Infrastructure Specialist

I am an experienced and multi-skilled Systems Administrator with over 7 years’ experience of implementing and supporting IT infrastructure in a diverse range of companies. I have an excellent track record of planning, installing and supporting systems, proactively optimising systems to ensure high availability and performance.

My expertise includes managing Linux and Windows servers, firewalls, network and user administration. I am able to work independently as well as part of a team, and additionally I have experience as a team leader.

I am currently seeking a Systems Administrator role which will enable me to utilise my extensive IT infrastructure skills and experience.

SKILLS

I AM REALLY GOOD AT THE FOLLOWING TECHNICAL SKILLS

Infrastructure
80
Network Admin
80
Linux Admin
90
Virtualization
90
Data Centre
60
VoIP
70
Firewalls
80
Telecom
50
Security
70
Projects
50
Monitoring
70
Windows Server
60

More is yet to come...

...because learning never hurts.

EXPERIENCE

PREVIOUS ASSOCIATIONS THAT HELPED TO GATHER EXPERIENCE

Court of Appeals of East Timor

Systems and Network Support Adviser

The court of appeal is the highest court in East Timor and ensures consistent application of the law across the country, and administers the justice system on matters of law, constitution and elections.
Initially employed on a one-year contract through the United Nations Development Program (UNDP) before being directly employed. Worked in the IT team, responsible for maintaining the IT infrastructure used by the four district courts and the court of appeal.
Managed a team of three supporting the IT infrastructure for 300+ users. The environment encompassed Windows and Linux servers (20 physical servers, 50+ virtual servers), VMware 5.5, pfSense firewall, Dell switches, Synology storage, user administration, email and application support.
Provided daily support for the systems including managing backups, virus management and patch management.
Maintained network services (Proxy, DNS, DHCP, traffic shaping, VPN, monitoring).
Reviewed incoming support calls for priority and ensured timely fixes to minimise business disruption.
Project work included:
Reviewed server capacity and performance; recommended an upgrade plan, provided costings for approval and managed the upgrade (12 new systems).
Upgraded the network infrastructure; installed new VLANS and switches leading to a 50% increase in capacity.
Migrated 300+ users across to a new email system (Zimbra).
Supported the infrastructure for the web-based information management system used by a wide range of stakeholders within the justice system.
Implemented a new VoIP telephony system (Asterisk).

may 2014 - till today
dec 2013 - may 2014

IDTECH

Network Analyst

IDTECH is a non-profit company providing a range of IT services to clients within the government and healthcare sectors.
Part of a support team providing level 3 network support to both the head-office staff and clients.
Used the in-house ticketing system to record and track issues and incidents, working in line with agreed service levels.
Successfully reduced the backlog of issues by 90% over a six-month period.
Managed user accounts and profiles using Active Directory.
Supported the in-house hardware engineering team by providing additional tools to improve PC build times.
Defined, documented and supported improved backup solutions.
Implemented additional tools (Zabbix) to enable more proactive system monitoring of client connections and systems.
Developed a number of scripts within the Zabbix environment to automatically fix issues, leading to improved customer service and a reduction in support calls.
Created and maintained a wiki-style knowledge base to enable faster resolution of support calls and improve knowledge sharing within the support team.

Mococa S/A Produtos Alimentícios

Network Administrator

Mococa SA Food Products is a Brazilian producer of dairy products such as condensed milk, milk drinks, sauces, milk powder, butter and whipped cream.

Worked in a team supporting a userbase of 500+ based across two head-office locations and two factory sites.
Worked on a rota basis to support business operations (24 x 7), ensuring that critical systems were maintained and the firewall was secure.
Managed a major infrastructure upgrade in order to replace aging hardware and to standardise equipment. The successful upgrade significantly improved network reliability and reduced support calls.
Upgraded the network bandwidth, implemented pfSense routers and firewall, and 3Com switches.
Installed a secondary connection, implemented resiliency and load balancing
Reduced the number of physical servers through increased virtualisation (Citrix).
Updated the domain, upgraded VPNs and file sharing capabilities.
Implemented improved anti-virus capabilities.
Migrated the cloud-based email system from an externally hosted solution to an in-house Zimbra-based solution in order to provide increased control and reliability. Developed scripts to automate the user mailbox migration.
Visited factory locations as part of the firewall upgrade and in response to support calls.
Identified a suitable vendor and implemented a new video-conferencing facility.

Jun 2012 - dec 2013
mar 2011 - mar 2012

G8 Networks LTDA

Project Analyst

G8 Networks is a small telecoms company providing a range of services to clients in Brazil in diverse industry sectors including government, media and utilities.
Initially joined G8 Networks as a VoIP analyst alongside studying at university, and following graduation moved into a more project-oriented role.

Maintained the Linux-based VoIP systems used to support a number of key products and services (Mor, Vocaltec, Audiococes and Asterisk).
Liased with a range of stakeholders including clients and 3rd party providers to provide support and solutions.

G8 Networks LTDA

VoIP Analyst

G8 Networks is a small telecoms company providing a range of services to clients in Brazil in
diverse industry sectors including government, media and utilities.
Initially joined G8 Networks as a VoIP analyst alongside studying at university, and
following graduation moved into a more project-oriented role.

Maintained the Linux-based VoIP systems used to support a number of key
products and services (Mor, Vocaltec, Audiococes and Asterisk).
Liased with a range of stakeholders including clients and 3rd party providers to
provide support and solutions.

nov 2009 - mar 2011

EDUCATION

ACQUIRING KNOWLEDGE

Master of Business Administration (MBA), Computer/Information Technology Administration and Management

IGTI - Instituto de Gestão de Tecnologia da Informação

2017

Incredible!

Bachelor of Technology (B.Tech.), Computer and Information Systems Security/Information Assurance,

Faculdade de Tecnologia SENAC

2011

Terrific!

Red Hat certified System Administrator (RHCSA),

ongoing self-study

2016

Almost there! ;)

Technical Diploma in Network Computers

Faculdade de Tecnologia Senac

2010

Awesome!

SOCIAL CONNECT

GET IN TOUCH.

CONTACT

Hello, here I am. ;-)

Your Name (required)

Your Email (required)

Subject

Your Message