Dejan Zecevic
DevOps Engineer at GetSwift- Claim this Profile
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Bio
Credentials
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Oracle Certified Professional, Oracle Solaris 10 System Administrator
OracleSep, 2011- Nov, 2024
Experience
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GetSwift
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United States
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Information Technology & Services
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1 - 100 Employee
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DevOps Engineer
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Apr 2020 - Present
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Senior VMware administrator
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Jun 2019 - Apr 2020
I worked as VMware vSphere engineer responsible for virtual infrastructure. I did patching hosts and virtual appliances, configure virtual hardware and networking and do troubleshooting. I also work as CentOS and Red Hat Linux administrator implementing various tasks most often related to troubleshooting. I worked as VMware vSphere engineer responsible for virtual infrastructure. I did patching hosts and virtual appliances, configure virtual hardware and networking and do troubleshooting. I also work as CentOS and Red Hat Linux administrator implementing various tasks most often related to troubleshooting.
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IBM
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United States
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IT Services and IT Consulting
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700 & Above Employee
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Red Hat Linux administrator
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Sep 2018 - Jun 2019
Member of IBM Cloud (SoftLayer) Linux team. Responsible for deploying new VMs in public cloud, to setup monitoring and automation. Responsible for implementing physical servers in cloud. Member of IBM Cloud (SoftLayer) Linux team. Responsible for deploying new VMs in public cloud, to setup monitoring and automation. Responsible for implementing physical servers in cloud.
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Monster
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United States
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Internet Publishing
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700 & Above Employee
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Red Hat Linux administrator
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Dec 2017 - Sep 2018
Red Hat Linux and VMware vSphere administrator. Installed new Linux servers and worked on troubleshooting. Worked with Red Hat Satellite, implemented automation tasks and upgraded Satellite 5.7 to 6.2. Red Hat Linux and VMware vSphere administrator. Installed new Linux servers and worked on troubleshooting. Worked with Red Hat Satellite, implemented automation tasks and upgraded Satellite 5.7 to 6.2.
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NRECA
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United States
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Non-profit Organizations
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700 & Above Employee
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Automation Engineer
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Sep 2016 - Dec 2017
I was member of operation team responsible for monitoring and managing Windows, VMware and partly Linux servers. Installing new servers and regulary patching was primary activity I was member of operation team responsible for monitoring and managing Windows, VMware and partly Linux servers. Installing new servers and regulary patching was primary activity
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IBM
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United States
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IT Services and IT Consulting
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700 & Above Employee
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Vmware Consultant
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May 2015 - Apr 2016
I worked as VMware administrator. IBM VMware team supports about 17 clients throughout USA. Servers are deployed in various areas of United States. We were responsible for complete monitoring, updating, configuring and troubleshooting VMware hosts, vCenters and VMs. I implemented vMotion to resolve issues with resources on hosts, took actions regarding alerts, resolved issues with networking, storages and hardware. I worked over weekend, when it is necessary, on scheduled or emergency maintenance and patching. My work also included work with CentOS Linux 6 since most of tools worked on Linux platform. Also, periodically I worked in Data Center of company Fannie Mae. We have provided support for their servers, mostly IBM BladeCenter servers but also HP and Dell. I worked with blades, replaced parts, configured and did troubleshooting, configured network. I also configured and used IMM and ILO for remote login.
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USPTO
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United States
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Government Administration
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700 & Above Employee
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Senior Red Hat Linux administrator
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Oct 2014 - Apr 2015
• Implemented Red Hat Linux 6 on RHEV virtual platform and on physical servers• Worked as Tier 3 support on monitoring servers and taking appropriate actions. I worked in NOC and as member of escalation team.• Installed new servers, did configuration, installed applications using rpm and yum, extend LVM drives, worked with user’s accounts, change firewall rules, selinux and all other Linux features. •I was responsible for resolving hardware issues and did monitoring of CPU, memory, disks utilization• Installed and confured Apache, MySQL and other application servers. I used Puppet and Ansible for installation, configuration and patching group of servers.
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Accenture
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Ireland
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Business Consulting and Services
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700 & Above Employee
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Senior Red Hat Linux administrator
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Nov 2012 - Oct 2014
• Installed new Red Hat 6.3 servers as Virtual Machines.• Did hardening for new servers, implemented security patches, configured SeLinux• Checked security and configuration issues and then did appropriate action. • Created new servers using VMware vCloud 1.5. • Company implemented Linux servers in Active Directory using SSSD. • Created changes on sudoers file to grant permissions for users. • Worked as support for MQ and JBOSS administrators and XML and Oracle developers as well as other users that use Linux servers. • Created yum repositories, extend LVM network drives, install and uninstall applications and did troubleshooting. • Created bash scripts for simpler tasks. • Created Silver and Gold images for various kinds of servers, particularly for JBoss, NFS and Oracle etc. Then couple of thousand VMs have been created in seven Data Centers using vCloud. vCenter Orchestrator (vROps) is used for automation. • Used Satellite for patching and simpler automation• Last 6 months worked on monitoring, troubleshooting and supporting Red Hat servers for client.
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SRA, a CSRA company
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United States
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Information Technology & Services
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700 & Above Employee
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Wintel Aministrator
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Feb 2011 - Nov 2012
• Overall responsibility is more than 700 virtual and physical Windows servers and 250 Solaris. • Main duty is keeping servers up, running 99.95 % of time, and giving Tier III support for clients. • Special achievement is in area of diagnostic and troubleshooting issues because of which he won SRA Certificate of Appreciation after 10 months and got increase in salary. • As Windows administrator, installed new Windows 2003 and 2008 virtual and physical servers. Monitor servers and do configuration and troubleshooting. Installed physical HP G7 servers and KVMs in racks. Did hardware troubleshooting of physical HP and Dell servers. Installation of web applications as IIS 6 and 7 and work with Web application and pools is also my everyday duty. • As VMware vSphere 5 administrator, installed new ESXi 5.0 servers on HP servers since company implemented transition from old physical servers to new virtualized. Implemented P2V conversion using VMware VCenter Converter. installed VCenter 5 servers on Windows 2008 servers and configured it. Did all configurations of new ESX hosts, installed new Virtual guests and worked close with storage team on configuration of LUNs and network settings. Responsibilities included wide area of different tasks with vSphere 5.0 from simple configurations and managing snapshots to complex troubleshooting and configuring DRS clusters, virtual and distributed switches, vMotion, Storage vMotion and other features. • As SQL administrator, installed new SQL servers and instances, did basic and advance configuration and troubleshooting. Resolved connectivity issues between SQL servers and applications like IIS and SharePoint. Worked close with SQL developers on configuration and implementation of new developed applications that use SQL server.
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Tata Consultancy Services
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India
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IT Services and IT Consulting
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700 & Above Employee
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Vmware Consultant
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Aug 2010 - Feb 2011
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System administrator
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Oct 2007 - Jun 2009
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Education
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Faculty of Philosophy - Belgrade, Serbia
Bachelor in social science