Marcus Maciel
De UnderLinux Wiki
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Profile
- Name: Marcus Antonius Gadelha Maciel Filho
- Mobile: +55 (19) 9111-8819
- e-mail: marcus at marcusmaciel dot com
Summary
I work supporting many types of firewalls and routers providing secure solutions. This work include develop firewall rules, vpn’s , sniffing , scripts to improve my daily jobs and many other network related activities.
Total Experience: 8+ years of experience in IP networking, UNIX systems, security and technical teams management.
- Hardware: PC´s, Clustering Computing, High availability
- Languages: Python, PHP, ASP, Bash(Shell Scripting), Pascal , C, TCL
- O. S.: Unix Sun OS (Solaris), Nokia (IPSO), OpenBSD, NetBSD, FreeBSD, HPUX , Linux, MacOS, Windows (2k, Server, XP)
- Database: mySQL, PostgreSQL
- Network: Cisco IOS, Juniper JUNOS, Huawei, TCP/IP advanced, Ethernet advanced, ATM, Frame Relay, POS, BGP, RIP, OSPF, Switches (CISCO/EXTREME), GigaRouters Cisco , Juniper, Wireless LAN;
- Unix Services: Mail (Sendmail, Qmail, Postfix), http (apache, lighttpd),dns (bind,djbdns), Proxy (squid), radius (cistron,freeradius), ftpd (proftpd,ncftpd,vsftpd), imap/pop (courier-mta), Backup(amanda), video and audio stream(shoutcast)
- IP Security: CheckPoint Firewall-1 (4.0/4.1/NG-AI), Firewall Linux (ipfwadm/ipchains/iptables), IPSEC/VPN (Checkpoint, FreeS/WAN, Linux, Cisco, Snort IDS, OSSEC HIDS, Cisco PIX, PeakFlow, Cisco Guard
Significant Projects and Experience Professional
at&t (biggest Telecom company)
Role : Security Engineer
Start date : May/2008
End date : current
Description : Work in provisioning, operations and development of rules to maintain at&t clients networks security.
IBM (biggest IT company)
Role : Security Engineer
Start date : June/2007
End date : April/2008
Description : Work in provisioning, operations and development of rules to maintain the IBM and IBM clients networks security.
Embratel (biggest IP backbone in Latin America)
Role : Security Engineer
Start date : June/2006
End date : June/2007
Description : Work in provisioning, operations and development of rules to maintain the Embratel's networks. At Embratel I participate in a development process of business products as Security Engineer/Analyst, including the security plan, definitions and provisioning of the biggest IPSEC-VPN network of Americas (excluding United States), the Banco do Brasil'sl network (Bank of Brazil), that uses MPLS, IPSEC, QoS, VoIP and other top technologies.
Role : System Administrator
Start date : July/2004
End date : June/2006
Description : Working in Management of all Embratel's Internet Servers Configure and Install Servers (DNS, DHCP, WEB, PROXY, MAIL, MONITOR(nagios), RADIUS, MYSQL, ANTISPAM(OSBF-LUA), WEB-SSL,WEBMAIL (HORDE IMP)). Development of scripts to maintain this servers and Web Interfaces to Configure this scripts.
Resenet (ISP)
Role : System Administrator
Start date : June/2001
End date : July/2004
Description : Install, Configure and Maintain Services:(Mail,ftp,http,irc,radius,backup) , Development of Antispam system in php language, Development of connection wireless system using PPPoE + Radius + iptables and CBQ to limit bandwidth.
Rudah (ISP)
Role : Intern
Start date : January/2000
End date : July/2000
Description : E-mail Support, Phone Support, Live Chat Support to Windows and Unix Users
Open Source Projects
UnderLinux
Role : Founder
Start date : December/2000
End date : current date
Description : Biggest System Administrator portal in Latin America
Website: http://www.underlinux.com.br
Ossec Hids
Role : Contributor
Start date : MAY/2003
End date : current date
Description : OSSEC is an Open Source Host-based Intrusion Detection System. It performs log analysis, integrity checking, rootkit detection, time-based alerting and active response.
Website: http://www.ossec.net/en/about.html
Bandlimit
Role : Founder
Start date : June/2002
End date : current date
Description : Bandlimit is a script capable to limit bandwidth of network ips. Developed with Shell Scripts with CBQ AND IPTABLES support.
Website: http://underlinux.com.br/wiki/index.php/BandLimit
