Network and System specialist

Dejan Mijailovic

Toronto, Ontario

*****.**********@***.*** . 647-***-****-

http://www.linkedin.com/in/dejanmijailovic

Systems Management specialist

Customer oriented, self motivated professional with over 15 years

experience in various IP networking technologies and computer systems. Able

to find innovative, simple solutions to complex technology problems. With

an analytical approach and attention to detail able to clearly communicate

issues and tasks which focus on desired results. Known for being able to

work independently and as team player.

relevant Technical Skills

OS: windows, Unix, AIX, Monitoring: Openview, Ethernet, T1/Ds1, DSL,

Solaris, Linux Netview, Whatsup Gold, LAN, WAN, VPN,

NSM, SiteScope, HP BAC

Scripting: Unix Shell DNS, DHCP, FTP, SSH, Logs, Traps, events

scripting Syslog, SNMP tools,

Visio, Servicedesk apps,

protocol analyzers,

Vivinet assessor

Network: Switches, Protocols: TCP/IP, SNMP, Designing, planning,

Routers, Load Balancers SIP, SSH, HTTP architecture, monitoring,

NOC

Experience

D+H, (formerly DAVIS + HENDERSON), Toronto 2007 - June 2014

Enterprise Systems Management Specialist

Responsible for corporate wide initiatives involving network systems

management and monitoring involving over 2000 devices; Responsible for

automated job processing using Autosys job scheduling; and over 50 customer

interface web applications monitoring, reporting and alerting.

Managed various systems management and monitoring tools in order to

implement corporate-wide management and monitoring solutions for all AIX,

Solaris, Linux and Windows servers, web based business applications and

network devices including routers, switches, load balancers, firewalls.

Provided support to NOC (network operation center) and help with alerts,

alarms and custom monitoring support.

Implemented corporate wide monitoring platform which drastically improved

SLAs, mean time to repair and hugely reduced number of high severity

tickets.

Built the foundation for capacity planning and system inventory management

which allowed system support personnel to quickly pinpoint root causes of

applications issues or performance problems.

Created custom monitors that automated tasks and alerts eliminating the

need for manual work and saving time while improving accuracy.

Automated the job scheduling process by implementing CA Autosys job

scheduler. This allowed for a major reduction in labor intensive manual

work and centralized job processing.

Took full ownership of applications, troubleshooting and provided internal

on-call support which greatly reduced the need for third party support and

ensured close to 100% availability of those applications.

SITA, TORONTO AIRPORT, Toronto 2005 - 2007

Network Monitoring Analyst

Responsible for the Proactive monitoring and maintenance of the GTAA Campus

Area Network at Toronto Pearson International Airport using real time

monitoring HP Openview 7.1, Syslogs, Cisco Transport manager for Optical

Monitoring.

Monitored GTAA Campus Area Network 24/7 and troubleshooting technical

issues by acting on various alerts which ensured that Toronto Airport

network was full available and all airport and airline applications,

flight information and security systems are functioning properly and

reliably 24/7. .

Provided field service and repairs by testing active network circuits as

well as hardware/software upgrades and provided troubleshooting by doing

hands on work on all network system devices which improved mean time of

repair and ensured SLAs are met close to 100%.

Provided coordination with different support groups i.e. GTAA Systems

Operations, AOCC, Wireless, CCTV, VoIP & HDSL support groups by

synchronizing activities, prioritizing the tasks and ensuring all work is

done in most effective way which eliminated the need for dedicated

coordinator.

MICROALTERNATIVE SOLUTIONS, Toronto 2004 - 2005

Professional Services Engineer

Responsible for all Customers IT needs including customer network support,

providing customers with IT solutions and building relationship with the

customers.

Worked as a field engineer to provide the customers with all their

Network/IT solutions needs including design and configuration of their IT

technologies which enabled customer to save on all of their IT expenses

while focusing on their core business.

Working with their internal support group, provided network support for

Honda Manufacturing Canada network as an on site Network support in their

Aliston Ontario Honda Motors car factory by providing technical support

for all their Cisco devices including Large Switches and routers which

helped their support team to maintain Manufacturing networking

infrastructure.

Performed network assessment of customer networks for Voice over IP

readiness and configured VoIP PBX systems by using Voip assessment tools

which ensured that network is ready and capable to support Voice over IP.

INQUENT TECHNOLOGIES, Toronto 2000 - 2003

Network and Systems Architect

Responsible for design and engineering of the web hosting and e-commerce

data centers, system infrastructure and data center monitoring..

Provided technical expertise to various internal groups responsible for

building and supporting web-hosting and e-commerce data centers by

designing data center hosting platforms and ensure standardization between

various components which allowed company to standardize on hosting

platforms, increase availability, availability, redundancy, improve

performance and response times

Provided technical expertise during implementation of Network based IDS

for security by choosing Intrusion detection systems which improved

security of data hosting applications

Enabled network and system performance, throughput and utilization

monitoring with fault events, by implementing network monitoring platform,

which enabled successfully identification of bottlenecks and other issues.

That increased SLA values and MTR, enabled for proper capacity planning and

resource allocations, while increasing customer satisfaction and ensure

repeat business.

PRIMUS CANADA, Toronto 1998 -

2000

Network Planner / Network Engineer

ACC TEL., Toronto 1995 - 1998

Network Specialist

additional Skills

Education

Humber College, Ontario, 1997

Certificate in Teleprocessing and Networking

Electro Technical School Nicola Tesla, Belgrade, 1989

Diploma, Electro technician for Telecommunication devices

Professional development

IBM pSeries technical sales Introduction to Cisco Router

support Configuration

Tivoli/IBM NetVeiw 6.0 for UNIX Implementing Fiber Optics

Cisco Systems Content Switch 11000 Lucent Remote Access MAX

configuration and troubleshooting

Solaris 8 system administration

Designing Cisco Networks Advanced LAN troubleshooting

Advanced Cisco Router

Configuration

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