Dmitri Muntean
Contact details
E-mail: dmitry.munteanREMOVE_THIS@gmail.com
Place of residence: Australia, Sydney Area
Personal profile
Senior Linux administrator with more than 8 years of experience in system administration and network engineering. Goal-seeking, communicative, responsible, trainee, good team player who can also work well independently.
Skills
System Administration: All aspects of system administration on Linux, FreeBSD and Windows NT/2000/2003, wide range of software and services (web servers, mail servers, proxy servers, name servers, VPN, etc.), SNMP Management and monitoring tools. Scripting with python. High load servers, sever side optimizations. Xen-based virtualization. Citrix Metaframe XP and MS Terminal Services. Deployment and support of different DBMS (MySQL, PostgreSQL), knowledge of SQL syntactic. Experience with deployment, support and usage of version control systems (subversion, git).
Network Administration: Cisco, 3Com, D-Link access servers, routers and switches. BGP, OSPF, RIP, good understanding of routing protocols and principles. DSL hardware, network monitoring and troubleshooting. LANs, WANs, dedicated circuits(fibre, broadband, baseband, SHDSL, ADSL, and satellite). LAN installations, wiring, wireless LAN planning and deployment. Network security.
VoIP Solutions and Programming: Asterisk installation and maintenance, asterisk AGI programming. Cisco VoIP access servers configuration and support. VoIP hardware deployment and maintenance (Cisco, Sipura/Linksys, AudioCodes, Atcom, Grandstream). Strong understanding of VoIP technologies, experience with wide range of VoIP equipment and software.
Python Programming: Automation of various system and network administration tasks with python scripts. Asterisk AGI programming. Web development with Django.
Certifications
- Novell Certified Data Center Technical Specialist, 10/02/2010
- Novell Certified Linux Administrator, 10/02/2010
- LPIC-2, Linux Professional Institute 13/06/2008
- LPIC-1, Linux Professional Institute 12/02/2007
- Fundamentals of Network Security, Cisco Systems 01/08/2005
- Server's Technical Solutions, Intel 03/30/2004
- Brainbench Certified Information Security Administrator, Linux System Administrator, Network Administrator
Employment history
July 2010 – now Paycorp Holdings Pty Ltd
Senior Engineer
June 2010 – July 2010 IBM Australia
Linux System Administrator
Providing Linux support and consultancy as a part of IBMA Linux team.
May 2008 - now Independent Consultant
Network, Linux and VoIP Engineer
As an independent consultant I mainly focus on delivering solution based on Asterisk IP-PBX, as well as on network and linux support.
Key Achievements:
- Developed an automated survey system with python and asterisk, which successfully collected data from more then 900 000 people in US
- Developed automated provisioning system for mass deployment of Sipura/Linksys VoIP ATAs
- Optimizations for high load servers
- Support of RHEL5 and CentOS systems in mixed infrastructures
September 2007 - May 2008 ICS "Endava" SRL
2nd Line Infrastructure Support Engineer
Endava is a multinational IT company with headquarters in UK and branch offices in Romania and Republic of Moldova, with main business objective to provide complete IT solutions to customers in financial and telecom sectors ranging from software products design, implementation and maintenance to managed services.
Responsibilities:
- Cisco routers and switches configuration and maintenance
- Linux installations and maintenance
- Infrastructure management (MS Windows 2003 and CentOS Linux, distributed across 4 datacenters)
- Custom python programming
- Technical users' support
Key Achievements:
- Introduction and implementation of QA automation, based on selenium in QA department
- Taking part in ITIL implementation on IT department
- Planing and development of company wide VPN solution
- Planning company wide VoIP/Unified Messaging solution based on Asterisk
March 2005 - September 2007 "Riscom" S.A. Telecom Operator
System/Network Engineer
Riscom S.A. is the medium sized ISP in Republic of Moldova, with main focus on corporate customers, offering services ranging from access to Internet to Voice over IP services and PSTN.
Responsibilities:
- Cisco routers, switches and VOIP equipment configuration and maintenance
- Providing custom VoIP and internet services to customers
- Dynamic routing (BGP and OSPF) management on Cisco routers and Linux/Zebra soft-routers
- Configuration and maintenance of wide range of xDSL hardware from different vendors
- Support of different number of servers in a mixed environment (FreeBSD, CentOS and Gentoo Linux, Win2000/2003)
- Support of satellite systems (satellite antennas, receivers)
- Custom python programming
- Support of dial-up access server
- Technical users' support
Key Achievements:
- Planning and deployment of VoIP services using different hardware and software
- Planning and deployment of virtualization technologies based on Xen
- Migration of wide range of servers to unified platform based on Xen
- Planning and implementing disaster recovering and IT security systems
- Deployment of wide range of solutions and services based on Asterisk IP-PBX
- Installing, configuring and maintaining Asterisk IP-PBX with range of telephony adapters
- Configuration, mass deployment and support of wide range of VoIP ATA (analogue telephone adapters) from different vendors (Cisco, Sipura, AudioCodes)
March 2003 - March 2005 "Riscom Computers" SRL
System Administrator/Network Administrator
Riscom Computers is one of the leading computer hardware reseller and vendor in Republic of Moldova with offices all across the country. Company also offers to its customers wide range of IT related services.
Responsibilities:
- Internal infrastructure support
- Corporate customer support and consulting
- Computer and computer-related hardware installations and support
- LAN segments and communications installations
- Composing and keeping up-to-date network documentation
- Technical users' support
Key Achievements:
- Replanning network in order to make it more scalable and meet expanding demands intact with corporate needs
- Rearranging WAN segment, implementing DMZ, deployment of IDS(intrusion detection system), network monitoring software, internal network security scanner, which increased overall security of the network
- Planning and migrating from Windows NT4 Domain Infrastructure to Windows 2000 Server Active Directory Infrastructure
- Planning and deployment of proxy servers' hierarchy based on open source proxy server Squid
- Deployment and support of Citrix Metaframe XPe terminal server with more than 50 users
- Deployment, configuration and support of MySQL DBMS, support of MSSQL DBMS
- Developing add-on module for apache web server(counting module for rating system)
- Planning and deployment of wireless network (WLAN) based on IEEE 802.11b/g
- Planning and deployment of patch management system based on Microsoft Software Update Services
- Planning and deployment of centrally managed antiviral protection system based on Symantec Antivirus Corporate Edition
- Deployment and support of web-server based on Apache/FreeBSD
- Deployment and support of corporative mail server based on Postfix/FreeBSD
- Automating process of software installation for assembly department and internal needs based on solution from Microsoft for Original Equipment Manufacture
July 2002 - February 2003 IT Department of Technical University of Moldova
System Administrator/ Network Administrator
Technical University of Moldova is the biggest technology institution in Republic of Moldova. It was founded in 1964.
Responsibilities:
- Infrastructure support
- Support of university database servers based on Red Hat Linux/Sybase
- LAN segments and communication installations
- Technical user support
Key Achievements:
- Planning and deployment of MS Windows 2000 Server Active Directory Infrastructure
- Deployment and support of university web-server based on Apache/FreeBSD
- Deployment and support of one of university mail servers based on Postfix/FreeBSD
- Deployment and support of university mail and ftp servers based
Education
2000-2003,2006-2007 Technical University of Moldova
Department CIM (Computers, Informatics and Microelectronics), specialization IT (Information Technologies). Graduated with Bachelor degree in accordance with Bologna process.
Languages
English, Russian
Reference letters are available on request