DANIEL
DESROSIERS
PROFILE
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2125 rue Remembrance, Lachine, QC, H8S 1X4
daniel.desrosiers@gmail.com
http://host4u.ca/dan
Information technology professional thriving in the computer industry
with a solid background and experience.
Known for his dedication and passion for IT.
Determined to constantly increase customer satisfaction by improving the
reliability and uptime of current systems.
Excellent skills at problem solving, organizing tasks and manage IT projects
System Administration and web hosting mentor.
OPERATING
SYSTEMS
Linux RedHat (RHEL), Fedora, Debian, Ubuntu, FreeBSD, OpenBSD
SunOs (Solaris) 2.6, 7, 8, 9, 10
Windows, Windows Server, DOS, Novell Netware 3.x, 4.x
Apple OS X, Android+iOS
PLATFORMS
Intel/AMD: DELL, HP, Compaq, Sony, Toshiba, IBM PCs et compatibles
Oracle/Sun Microsystems: Netra T1, Ultra 5, 10 et 60, Enterprise 420r, 250 and 450
Apple Computers: MacBook, MacBook Pro, Mac Pro, iMac, Mac Mini
Storage (SAN/NAS): Network Appliance Filers 700 series, 3000 series, Agami, EMC, DELL
Networking: Cisco, Juniper, Extreme Networks, HP, 3com, NetGear et FORE, F5 (glb+lb),
Citrix NetScaler, KEMP Technologies
Smart Devices (cellular/tablets/tv):
GoogleTV, Samsung phones, Google Nexus, HTC Flyer, iPhone, iPad
PROGRAMMING
LANGUAGES
bash, tcsh, sh, perl, php
Visual Basic for Applications (Ms-Access et Ms-Excel)
Microsoft Office 97/2000 Development Edition Tools
OFFICE
SOFTWARE
Ms Office (Word, Excel, Access, PowerPoint, Outlook), FileMake Pro, Ms-Project
BACKUP
SOFTWARE
rsync, tar, NetBackup for UNIX, ArcServe, VDR, Veeam, EMC Networke,
Windows Backup, TimeMachine
SERVICES
Under linux/bsd: apache, tomcat, mongrel, mod_rails, bind (dns), dhcpd, squid, nfsd,
ftpd, sendmail or exim, …
for Windows: IIS, DHCP, DNS, WINS
Windows Terminal Server, Remote Desktop et Citrix Metaframe
Microsoft Exchange Server SBE
networking: Firewalls, VLANs, access lists, static routing, ospf, esrp, bgp knowledge,
port mirroring, channel bonding, load balancing, global load balancing.
TOOLS
Monitoring: PRTG, MRTG, Zabbix, Nagios, Munin
Benchmarking: ab, autobench, httperf, jmeter
VIRTUALISATION
Private: VMWare ESXi, vSphere, vCenter HA Cluster, OpenVZ, Solaris Containers, Xen
Public: AWS EC2, ELB, S3, CloudFront, CloudWatch
TRAINING
ITIL Service Operations
2013
ITIL Foundation v3
2012
Comprehensive Project Management
McGill School for Continuing Studies
2010
Juniper Networks
Management and configuration of firewall - Juniper SRX Model
2009
Spanish Level 2
McGill School for Continuing Studies
2008
Cisco Training - Networking Infrastructure 1 et 2
McGill School for Continuing Studies
(CCNA courses 1-4)
2005
CheckPoint Firewall-1
Managing and configuring the firewall, connecting offices using VPNs
1999
Partial Microsoft Certification [MCSE]
 Implementing a database design on MsSQL Server (#027)
 Networking essentials (#058)
1996
College diploma in computer programming
CEGEP Andre-Laurendeau, Lasalle, Qc
1993
DANIEL DESROSIERS
daniel.desrosiers@gmail.com
p 2/5
WORK
EXPERIENCE
System Administrator
Contractual
IBM Canada Inc. (www.ibm.com), Montreal, Qc
june 2015 – present
Part of a project team to install, configure and deploy multiple environments (Dev,
Test, Preprod, Prod and DR) destined to become the new BI platform for the
customer (BNC). Datastage, WebSphere, IIS, GPFS, LFS (grid computing)
Manager, Server and Storage
Linux Team Lead
AIMIA Canada Inc. (www.aimia.com), Montreal, Qc
april 2013 – june 2015
june 2012 – march 2013
Part of an international enterprise having thousands of employees working around
the globe to enhance loyalty programs and services supported within lines of
businesses such as Aeroplan, Air Miles, Cardlytics, Nectar.
 Plan, manage, organize priorities for System Administrators
 Participate to high availability web hosting infrastructure solutions
 Address emergencies / put out the fires when necessary (24/7)
 Act as a mentor and make sure essential knowledge flows within the team
 Organize meetings, make sure user and customer satisfaction is appropriate,
follow progress
 Interview and recruit new team members, carry out performance reviews
 Train/coach new co-workers
 Promote continuous improvement (procedures/interventions/technical)
 Assign resources to project work
 Participate to the deployment of a new PCI environment dedicated to credit
card processing
 Document certain PCI processes such as Key Management (used for data
encryption)
 Insure patching process is executed on a monthly basis on test and production
systems
 Insure delivery of RHEL hardening script for new templates in collaboration
with security team
 Deploy syslog servers and insure systems are sending their logs appropriately
Team Lead – IT services
System Administrator
Pheromone (www.pheromone.ca), Old-Montreal, Qc
VDL2 Communications Inc. (www.vdl2.ca)
Mediafusion Inc. (www.mediafusion.com)
jan 2009 – may 2012
mar 2003 – dec 2008
Member of a web agency of 60 employees located near the old port of Montreal
offering strategic, marketing and web production services.
 Plan, manage, organize projects and priorities for SysAdmins, Security and
Support team
 Conceive high availability web hosting infrastructure solutions
 Address emergencies / put out the fires when necessary (24/7)
 Act as a mentor and make sure essential knowledge flows within the team
 Organize meetings, make sure user and customer satisfaction is appropriate,
follow progress
 Interview and recruit new team members, carry out performance reviews
DANIEL DESROSIERS
daniel.desrosiers@gmail.com
p 3/5
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Train/coach new co-workers
Prepare annual budget, propose new additions according to hosting needs
Promote continuous improvement (procedures/interventions/technical)
Document work in progress, procedures, maintenance and important changes
made to the infrastructure (logbook)
Manage testing and production environments
Maintain apache configurations, systems and network for new accounts
Register domain names (as an official registrar) and administer DNS servers.
Manage and support wifi networks (public and private)
Implement and maintain monitoring tools such as Nagios, MRTG, Munin
Perform maintenance on database servers PostgreSQL 7.4, 8.3, Mysql 4.x, 5.x,
MiniSQL 3
Develop a scripts and tools: bash, php, perl, Ms-Access
Owner, HOST4U
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2005 – present
Establish web hosting platform
Setup automatic recurring billing and registration system
Setup web hosting control panel
Create website
Promote the service
System Administrator
Hyperchip Inc. (www.hyperchip.com), Montreal, QC
2000 - 2002
Also hired as link between Windows and UNIX worlds, member of the IT team
supporting more than 300 employees working in 3 different locations established in
Montreal and Virginia.
 Manage, document and implement/modify network infrastructure of a 4 story
building with VPN links to others.
 Manage over 5 terabytes of storage space on multiple Network Appliance
Filers, Sun and Linux servers including approx. 1.5Tb on Netapp Filers for home
accounts and departments.
 Maintain, update and manage Solaris Solaris 2.6, 7 and 8
 Participate and perform management of different server implementations:
OpenBSD firewalls, DHCP (ISC, dhcp-dns), DNS (bind, djbdns), HTTP (apache,
IIS), proxy (squid), database (ms-access, mysql, posgressql, ms-sql, oracle), FTP
(proFTP, inetd ftp), CVS, SSH, email (exchange server 5.5, qmail, exim)
 System administration duties: backup/restore management with Storagetek
library (can hold up to 100 DLT tapes) having 6 DLT7000 tape drives, user and
group management using NIS (YP) on Solaris 7, print server setup and spooler
management on Solaris 7 for approximately 10 printers. User support mainly
for unix workstations (Linux Debian, Redhat, NetBSD). Improve 2 Ms-Access
2000 databases to manage contracts and intellectual property. Setup, maintain
and install Axis security cameras wired to the network.
MIS Coordinator
1999 – 2000
SysAdmin on eCommerce platform
Normal Solutions Inc., Old-Montreal, Qc
Startup company of 100 employees: 1 office located in Montreal and 1 in New York.
 Plan technical work and assign to team members
 Assist technicians for the computers deployments, prepare and train personnel
DANIEL DESROSIERS
daniel.desrosiers@gmail.com
p 4/5
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Take care of IT purchases
Maintain customer satisfaction (internal clients)
Manage internal network as well as the e-commerce plateform located at
Téléglobe: Firewall, DNS, DHCP, WINS servers, routers and switches
Plan and perform modifications needed for the network infrastructure
Establish and maintain VPN links between remote offices
Make sure there is a 24/7 response for hosted websites: hosted on Solaris 7,
Linux Redhat 6.2 and Cobalt RAQ II (Cobalt Linux 4.0)
Manage multimedia servers running on Windows NT: LivePicture ZoomServer
3.5, Microsoft Media Server (Streaming Video .ASF)
Document the network infrastructure and installed systems
Develop a TimeSheet system using Access 97 to calculate the cost of labor
Create reports that consolidate the data entered by TimeSheet users.
Computer and Office Automation Consultant
Behaviour Communications Inc., Old-Montreal, Qc
1998 - 1999
Member of a team supporting more than 150 users located in 7 different buildings
located in Montreal, Quebec, New York and Toronto.
 Support of the following environments: Windows, Mac OS, Office, Outlook, File
Maker
 Manage the network and servers: routers, switches, atm switches with fiber
links for interoffice connectivity, Windows NT Servers 4.0, Exchange Server 5.5,
DNS server.
 Manage computer purchases according to user’s needs
 Establish standards for computer equipment and software used
 Prepare backup policies and procedures and implement them using ArcServe
 Develop a computer management system in Access 97 and keep an up-to-date
inventory of hardware and software using this tool.
Computer and Office Automation Consultant, Technician
KPMG (www.kpmg.ca), Laval, Qc
1993 – 1998
Accounting and Tax Firm well-known across the world for performing audits and
offering advisory services having more than 5000 employees located in 32 cities
across Canada.
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Perform internal technical support, manage network and servers of the Laval
office
 IT services to customers (give advice, teach, install, provide tech support)
As an IT consultant
LANGUAGES
English, French with good knowledge of Spanish
REFERENCES ARE AVAILABLE UPON REQUEST
DANIEL DESROSIERS
daniel.desrosiers@gmail.com
p 5/5