Alexandre Martins

Current

SaaS Network Administrator at Halogen Software

Past

Senior Infrastructure Analyst at Revolution Linux
Senior Network Security Specialist at Poliedro Informatique
Senior Network Security Specialist at Poliedro Informatique

Senior Network Administrator at Anfip - National Association of Social Security
Database Administrator and Team Lead at NAPEX
Senior Security Consultant at Sindireceita - National Association of Treasury Technicians
Network Solutions Specialist (PARTNER) at VMA Conectividade

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Education

Universidade de Brasília
Centro Universitário de Brasília

Recommended

6 people have recommended Alexandre

Connections

190 connections

Industry

Information Technology and Services

Websites

Alexandre Martins’s Summary

I am a Network Administrator. I possess over 10 years of experience in the design, implementation, support and administration of large multi-vendor LAN/WAN networks. I can make significant contributions towards a company’s immediate and future goals. I’m highly skilled in hybrid environments, interpersonal communications and team facilitation. I employ an unwavering work ethic with an insatiable desire to learn and develop professional skills. My IT Certifications include:

Cisco CCNA
LPIC Linux
Conectiva Linux Advanced Certification
Aker Firewall Specialist

Alexandre Martins’s Specialties:

- Extensive knowledge of most major network operating systems
- Understanding of security methodologies, standards, and best practices
- Understanding of systems administration, intrusion detection and vulnerability analysis
- Experience with TCP/IP networks, routing protocols, network security and monitoring tools
- Experience with corporate Anti-Virus Solutions, Backup & Restore and VPN
- Experience in managing a PKI Infrastructure, Database Administration and programming Shell and Web

Alexandre Martins’s Experience

SaaS Network Administrator

Halogen Software

(Privately Held; Computer Software industry)

June 2009 — Present (6 months)

• Part of SaaS Hosting Team
• ITIL v3 - Service Desk
• Administering a 24x7x365 Hosting Environment.
• Designed a New Network Configuration Standards
Manages:
• Fortigate Firewalls
• Redhat Satellite Servers.
• Redhat Application Servers (RHEL 4 & 5).
• HP Pro-Curve Switches, Brocade Fiber Switches.
• NetApp SAN.
• BIG IP F5 Load Balancers.
• Cisco ASA Firewall, Cisco Switches.
• Monitoring Tools: Hyperic HQ, IPMonitor, SecureVue SRM
Senior Infrastructure Analyst

Revolution Linux

(Privately Held; Information Technology and Services industry)

August 2008 — May 2009 (10 months)

• Accounts:
Commission Scolaire au Coeur-des-Vallées, Michigan City Area Schools, Commission scolaire des Chênes.

• Development of OpenHMS (Open Homework Management System).
• Implement Virtual Servers using OpenSource Vservers.
• Managing Documentation.
• Object-Oriented Python Programming.
• Samba Customization.
• Subversion
Senior Network Security Specialist

Poliedro Informatique

(Privately Held; 1001-5000 employees; Information Technology and Services industry)

December 2007 — March 2008 (4 months)

CONTRACT: ANAC - Federal Aviation Agency

• Coordinate the Network and Security Management Team.
• Responsible for IMACS (Installs, Moves, Adds, Changes), Problem Resolution, Maintenance, and Upgrades on the CISCO Network Infrastructure.
• Administrate the Certsign PKI Infrastructure.
• Responsible for PIX Firewall, VPN Access, Network Backup.
• Manage Websense Web Content Analiser, VMware ESX (Virtualization).
• Entail Telecommunications ordering, tracking and SLA agreements through various vendors.
• Monitor MPLS, Frame Relay and ADSL Links.
• Deploy a Secure Network User Authentication Scheme using Free-Radius, Cisco Switches and Windows AD Environment.
• Member of the commission responsible for planning the Network expansion and migration to new facilities.
Client Network size: + 3.500 User Workstations spread over 7 regions.
Senior Network Security Specialist

Poliedro Informatique

(Privately Held; 1001-5000 employees; Information Technology and Services industry)

March 2007 — November 2007 (9 months)

CONTRACT: DNPM - Federal Department of Mineral Production

• Manage and Support a Networked 3COM environment.
• Administrate a High Availability Fail-over Cluster Firewall.
• Enforce Security Polices. Provide secure VPN access to all management staff.
• Manage Linux Servers running Apache, DNS, ZBD (VPN), Squid and a variety of Network Monitoring Tools such as Nagios, MRTG, Smokeping.
• Create a Nagios customized and secured interface for delegating monitoring capabilities to all other network administrators in diferent states of the country.
• Work in a Team environment with 30+ Other Network Administrators.
• Monitor and Troubleshoot Frame-Relay Links connecting us to 28 Metropolitan Districts across the Country.
• Perform Administration and Support Tasks in a Windows 2003 AD Environment.
• Manage Symantec Corporate Anti-virus Solution.
Client Network size: + 1.500 User Workstations spread over 25 states.
Senior Network Administrator

Anfip - National Association of Social Security

(Government Relations industry)

March 1998 — February 2007 (9 years )

• Head of the Internet Department and Cisco Network Specialist.
• Maintain network security policies, address Server Security Issues and Apply appropriate security patches and upgrades.
• Responsible for the Web Development Team
• Aker Firewall Administrator (Checkpoint alike). Performed an IDS (Intrusion Detection System) Snort-based integration for real-time attack identification and blocking.
• Perform Network integration in a highly hybrid Linux/Win/Mac environment.
• Prepare Quarterly Web usage statistics using Open-Source Tools.
• Administration and Customisation of Linux Mail server with over 12.000 webmail accounts.
• Manage anti-spam solution (SpamAssassin, Trend VirusWall)
• Maintain System Backups (BRU) and performed system/file restorations on Linux systems.
• Create Scripts (BASH, PHP, PERL) for server and network automatization.
• Peform a internal Database (MS SQL Server) availability to external users by duplicating and mirroring the data on MySQL Servers.
Database Administrator and Team Lead

NAPEX

(Government Administration industry)

September 2003 — September 2005 (2 years 1 month)

• PostgreSQL Database Administrator
• Database Modeling Analist
• PHP Team Leader Developer
• Linux Expert
Senior Security Consultant

Sindireceita - National Association of Treasury Technicians

(Government Relations industry)

January 2003 — September 2005 (2 years 9 months)

• Brought for a complete re-design of all company's IT Infrastructure.
• Design, Specification, Purchased, Configuration and Support of all internet and office servers.
• Security Specialist responsible for designing a new security infrastructure.
• Implemented a new Firewall technology, an IDS and a separate logging system.
• Re-wrote all cisco ACL rules to comply with the new security polices.
• Implementation and customisation of a new Internet Mail Server and Webmail interface for all 14.000 users spread all over the country.
• Analysis of Internet Scripts for Security breaches.
• Integration of Linux and Windows Servers for Network Files Sharing (Samba and Windows 2000 AD).
• Implementation of Security and Network Monitoring tools.
• Maintained system backups and performed system/file restorations on Windows and Linux systems.
• Maintain and apply security and operating system patches on servers.
Network Solutions Specialist (PARTNER)

VMA Conectividade

(Computer Networking industry)

April 2001 — April 2003 (2 years 1 month)

• Responsible for the Network Support Team.
• Linux Expert.
• Network Environment Integration Specialist.
Clients:
• Claro (Mobile Phone Company)
• Army
• Anchieta Hospital
• Alvorada Project (Government)

Alexandre Martins’s Education

Universidade de Brasília

BAC , Network and Communications Engineering , 1997 — 2002

1- WSEAS - World Scientific and Engineering Academy and Society Congress: International Conferences on Computer Networks 2002
Paper: “Virtual Laboratory of Teaching in Parallel Computation”
Where: Sheraton Hotel, Copacabana, Rio de Janeiro, Brasil, Outubro 14- 17, 2002

2- ABED - Associação Brasileira de Educação
Congress: IX Congresso Internacional de Educação a Distância
Paper: "Laboratório virtual de ensino em computação paralela"
Local: SESC Vila Mariana, São Paulo, SP, Setembro 2-4, 2002

3- Spanish Symposium on Informatics and Telecommunications
SIT 2002 - Simpósio de Informática y Telecomunicaciones
Paper : “Virtual Laboratory of Teaching in Parallel Computation”
Where: Sevilla, Espanha, Setembro 25-27, 2002

4- UnB - Universidade de Brasília, Departamento de Engenharia de Redes
1º Seminário de Engenharia de Redes de Comunicação
Paper: “Grids Computacionais com Software Livre – O Sistema Globus”
Where: Laboratório de Redes, Brasília, DF, Janeiro 30, 2003

Activities and Societies:

Administrator of the Internet Discussion Group for all students in this degree,
Hold a Scholarship to do Research on Distance Education,
Department Network Administrator,
Joined the PIBIC Program (Scientific Initiation Program) Headed by our Department Coordinator,
My Graduation Project was on Parallel Linux Clusters for Education Purposes. I was given a top Honors from all examiners.
Centro Universitário de Brasília

BAC , Data Processing Technology , 1997 — 2001

Activities and Societies:

I was part of the team that redesigned the University Network Topology.
Designed a web system to help integrate professors and students. This system was such a suces that it got spread all over the campus.