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Georgios Koumantari is looking for a Technology job in Nicosia;Limassol;Larnaca;Paphos, Cyprus.
Candidate Info
Name
Georgios Koumantari
Gender
Male
Marital Status:
Married
Children:
2
Country Of Origin:
CYPRUS
Last Updated:
02/06/2014
Residence / Contact Details
Address
23-04 30 drive
Astoria NY, 11102, New York, U.S.A.
Astoria NY, 11102, New York, U.S.A.
Phones
Email
Professional Experience
PROFESSIONAL EXPERIENCE:
New York University / School of Law
Lead Systems Infrastructure 04/14-present
• Maintain and troubleshoot problems on Linux Infrastructure (RHEL, CentOS, Freebsd, Debian, Windows)
• Resolve web-server problems on Windows IIS, Linux/Unix Apache and Nginx
• Support development team with deployment workflow and continuous integration using gitlab, gitlab-ci, rundeck, docker and saltstack provisioning.
• Automate using satlstack and custom bash scripts of infrastructure maintenance
• Maintain and troubleshoot AWS infrastructure issues.
• Build and further develop an python open source custom enterprise monitoring system based on Nagios. Build checks to collect important server data, integrate with graphite and mongodb to view timeseries of checks data, load balance the monitoring system to handle large amount of checks/minute.
Visual Alchemy / Medical Knowledge Group
Web Systems Administrator 03/13-04/14
• Maintain and troubleshoot problems on Linux Infrastructure (RHEL, CentOS, Freebsd)
• Resolve web-server problems on Windows IIS, Linux/Unix Apache and Nginx
• Support development team with deployment workflow and continuous integration using Jenkins. Build development, staging and production web-servers (python, ruby, php).
• Update infrastructure, audit Unix/Linux servers for known vulnerabilities, maintain all backups and design disaster recovery solutions.
• Troubleshoot system issues regarding python packages, GIT, MTA, NFS, DNS,ZFS, JAIL Administration, SSH, SSL, Apache Solr, Samba, Nagios, VMware, CFengine.
• Automate all devops functions (package updates, project scripts, permissions, ownership) using shell scripts with Rundeck and puppet.
• Organize AWS cloud and migrate all production environments utilizing AWS technologies(VPC, ELB, EIP, EC2, IAM, Auto Scaling, SNS, Amazon Route 53, RDS, EBS)
Hara Partners–Infrastructure Administration New York, NY 10/12-03/13
UNIX Systems Administrator
• Maintain Unix (freebsd) infrastructure, Dns, firewalls, load balancer, Jail administration (virtualization).
• Create scripts to automate daily tasks like creating LAMP stack VPS's, chrooted sftp, ZFS backup scripts, VPS load testing, SSL installations, e commerce search engine index replication, apache-solr setup.
• Create Amazon Web Services accounts for clients, troubleshoot server problems on EC2 instances, create alarms, backup AMI server images, upgraded instances, load balance traffic by separating LAMP stack instances, user account setup.
• Maintain all key vendor's including ARIN, negotiated technical related contracts
• Develop and present to clients’ custom hosting, disaster recovery and data backup plans according to customer's demands and needs.
Quontic Bank–IT Department Great Neck 09/10-10/12
IT Analyst/Developer (contract)
• Implement IT Policies, including Vendor management policy, IT Risk assessment, Users Acceptance policy, Backup Policy, BCP and recovery, and Audit assessment according to GLBA guidelines using the FFIEC IT booklets.
• Develop Test Scenarios for employees and Supervised Technical Project development from preparation to completion.
• Maintain vendor management systems, administration of BCP & DR plan, InfoSec program/risk assessment maintenance, liaison to IT & non-IT vendors, maintaining all IT reports for review and documentation.
• Develop and maintain a centralized webserver database application to store and trace the history of changes in compliance forms, change management forms, IT onboarding forms, and user access control forms. Development was done using Apache webserver with PostgreSQL database, integrated with the Python Django framework.
• Maintain Virtual Servers (VMware) environment including Veeam backup jobs/Replications, and Vcenter support.
• Installed, modified and maintained Open Source Network Monitoring/Helpdesk/Inventory Management software (SpiceWorks).
• Run Helpdesk assisting daily up to 75-100 employees with Software problems, software customizations and training.
• Implemented updates, Virtual/Physical server additions, installations of new servers/switches or other hardware.
• Writing SQL queries and small VB Scripts to automate audit reporting and evaluation on company’s ticketing platform
• Create database models with Python Django framework to help audit reporting and collaboration between departments
Hunter College-Computer Vision Unix/Linux Lab New York, NY 01/07-12/10
Lab Researcher (phd research)
• Researching methods of effective subdivision of Surfaces, using CGAL (Computational Geometry Algorithms Library) in C++. Surface subdivision methods include Catmull-Clark, Loop & Doo-Sabin implementations.
• Maintained and optimized legacy code C code for 3D surface reconstruction.
• Scan Urban Areas weekly with 3D Laser Scanner to retrieve testing data.
05/07-01/08
Software Developer for Milabra Inc (contract)
• Build UNIX/Linux scripts to run on company’s server environment for their image recognition website usage.
• Installed and maintained Yellow Dog Linux on PlayStation 3 for heavy computational use.
• Maintain and implement methods to improve object detection in 2D images using OPENCV (Open Computer Vision Library).
• Optimized detection code (C/C++) to facilitate multiple detectors in one image. Previous methods utilized only one detector, therefore detection of objects in an image was restricted.
• Developed multiple working detectors, including a standardize process to create any type of detector. Detectors created included faces wearing Sunglasses, guns, noses, eyes (right & left).
Jac Batti Inc Astoria, NY 01/03-01/07
Information Security Manager
• Build and maintain Customer related Databases using MS –Access.
• Responsible for all Technology vendors, Software Compliance /Hardware purchases.
• Maintain Company’s Network infrastructure/Network in a high traffic retail environment.
• Supervise and train employees on company’s POS system.
New York University / School of Law
Lead Systems Infrastructure 04/14-present
• Maintain and troubleshoot problems on Linux Infrastructure (RHEL, CentOS, Freebsd, Debian, Windows)
• Resolve web-server problems on Windows IIS, Linux/Unix Apache and Nginx
• Support development team with deployment workflow and continuous integration using gitlab, gitlab-ci, rundeck, docker and saltstack provisioning.
• Automate using satlstack and custom bash scripts of infrastructure maintenance
• Maintain and troubleshoot AWS infrastructure issues.
• Build and further develop an python open source custom enterprise monitoring system based on Nagios. Build checks to collect important server data, integrate with graphite and mongodb to view timeseries of checks data, load balance the monitoring system to handle large amount of checks/minute.
Visual Alchemy / Medical Knowledge Group
Web Systems Administrator 03/13-04/14
• Maintain and troubleshoot problems on Linux Infrastructure (RHEL, CentOS, Freebsd)
• Resolve web-server problems on Windows IIS, Linux/Unix Apache and Nginx
• Support development team with deployment workflow and continuous integration using Jenkins. Build development, staging and production web-servers (python, ruby, php).
• Update infrastructure, audit Unix/Linux servers for known vulnerabilities, maintain all backups and design disaster recovery solutions.
• Troubleshoot system issues regarding python packages, GIT, MTA, NFS, DNS,ZFS, JAIL Administration, SSH, SSL, Apache Solr, Samba, Nagios, VMware, CFengine.
• Automate all devops functions (package updates, project scripts, permissions, ownership) using shell scripts with Rundeck and puppet.
• Organize AWS cloud and migrate all production environments utilizing AWS technologies(VPC, ELB, EIP, EC2, IAM, Auto Scaling, SNS, Amazon Route 53, RDS, EBS)
Hara Partners–Infrastructure Administration New York, NY 10/12-03/13
UNIX Systems Administrator
• Maintain Unix (freebsd) infrastructure, Dns, firewalls, load balancer, Jail administration (virtualization).
• Create scripts to automate daily tasks like creating LAMP stack VPS's, chrooted sftp, ZFS backup scripts, VPS load testing, SSL installations, e commerce search engine index replication, apache-solr setup.
• Create Amazon Web Services accounts for clients, troubleshoot server problems on EC2 instances, create alarms, backup AMI server images, upgraded instances, load balance traffic by separating LAMP stack instances, user account setup.
• Maintain all key vendor's including ARIN, negotiated technical related contracts
• Develop and present to clients’ custom hosting, disaster recovery and data backup plans according to customer's demands and needs.
Quontic Bank–IT Department Great Neck 09/10-10/12
IT Analyst/Developer (contract)
• Implement IT Policies, including Vendor management policy, IT Risk assessment, Users Acceptance policy, Backup Policy, BCP and recovery, and Audit assessment according to GLBA guidelines using the FFIEC IT booklets.
• Develop Test Scenarios for employees and Supervised Technical Project development from preparation to completion.
• Maintain vendor management systems, administration of BCP & DR plan, InfoSec program/risk assessment maintenance, liaison to IT & non-IT vendors, maintaining all IT reports for review and documentation.
• Develop and maintain a centralized webserver database application to store and trace the history of changes in compliance forms, change management forms, IT onboarding forms, and user access control forms. Development was done using Apache webserver with PostgreSQL database, integrated with the Python Django framework.
• Maintain Virtual Servers (VMware) environment including Veeam backup jobs/Replications, and Vcenter support.
• Installed, modified and maintained Open Source Network Monitoring/Helpdesk/Inventory Management software (SpiceWorks).
• Run Helpdesk assisting daily up to 75-100 employees with Software problems, software customizations and training.
• Implemented updates, Virtual/Physical server additions, installations of new servers/switches or other hardware.
• Writing SQL queries and small VB Scripts to automate audit reporting and evaluation on company’s ticketing platform
• Create database models with Python Django framework to help audit reporting and collaboration between departments
Hunter College-Computer Vision Unix/Linux Lab New York, NY 01/07-12/10
Lab Researcher (phd research)
• Researching methods of effective subdivision of Surfaces, using CGAL (Computational Geometry Algorithms Library) in C++. Surface subdivision methods include Catmull-Clark, Loop & Doo-Sabin implementations.
• Maintained and optimized legacy code C code for 3D surface reconstruction.
• Scan Urban Areas weekly with 3D Laser Scanner to retrieve testing data.
05/07-01/08
Software Developer for Milabra Inc (contract)
• Build UNIX/Linux scripts to run on company’s server environment for their image recognition website usage.
• Installed and maintained Yellow Dog Linux on PlayStation 3 for heavy computational use.
• Maintain and implement methods to improve object detection in 2D images using OPENCV (Open Computer Vision Library).
• Optimized detection code (C/C++) to facilitate multiple detectors in one image. Previous methods utilized only one detector, therefore detection of objects in an image was restricted.
• Developed multiple working detectors, including a standardize process to create any type of detector. Detectors created included faces wearing Sunglasses, guns, noses, eyes (right & left).
Jac Batti Inc Astoria, NY 01/03-01/07
Information Security Manager
• Build and maintain Customer related Databases using MS –Access.
• Responsible for all Technology vendors, Software Compliance /Hardware purchases.
• Maintain Company’s Network infrastructure/Network in a high traffic retail environment.
• Supervise and train employees on company’s POS system.
Qualifications
TECHNICAL SKILLS:
Programming Languages: Unix/Linux POSIX C++, Python (nltk, Django, wxpython), UNIX/LINUX OS Programming oriented scripting languages (BASH, AWK, SED), MS Visual C/C++, Prolog, Haskell, Scheme, HTML, SQL(MYSQL,PostgreSQL)
Software Applications/tools: Macromedia (Dreamweaver, Fireworks, Flash) , GFI (LanGuard, EndPointSecurity,EventsManager), Wordpress, Magento, Spiceworks, Nagios, Veeam 5.0 & 6.0, Encompass (Loan Origination Software), BankWay (Bank Account Management software), Dell SonicWal (firewall, vpn creation, netextender setup), UNIX/Linux LAMP stack, puppet, cfengine, ezjail admin, zfs,nfs,ufs,MTA, rsyslog, syslog, postfix, git, samba ,Apache-solr, Rundeck, Gitlab, Github, mod_wsgi, Jira, Confluence, Plone, OpenVAS, Mongodb, Elasticsearch, Graylog2
Programming Languages: Unix/Linux POSIX C++, Python (nltk, Django, wxpython), UNIX/LINUX OS Programming oriented scripting languages (BASH, AWK, SED), MS Visual C/C++, Prolog, Haskell, Scheme, HTML, SQL(MYSQL,PostgreSQL)
Software Applications/tools: Macromedia (Dreamweaver, Fireworks, Flash) , GFI (LanGuard, EndPointSecurity,EventsManager), Wordpress, Magento, Spiceworks, Nagios, Veeam 5.0 & 6.0, Encompass (Loan Origination Software), BankWay (Bank Account Management software), Dell SonicWal (firewall, vpn creation, netextender setup), UNIX/Linux LAMP stack, puppet, cfengine, ezjail admin, zfs,nfs,ufs,MTA, rsyslog, syslog, postfix, git, samba ,Apache-solr, Rundeck, Gitlab, Github, mod_wsgi, Jira, Confluence, Plone, OpenVAS, Mongodb, Elasticsearch, Graylog2
Skills
Programming Languages: Unix/Linux POSIX C++, Python, UNIX/LINUX OS Programming oriented scripting languages (BASH, AWK, SED), MS Visual C/C++, Prolog, Haskell, SQL(MYSQL,PostgreSQL)
Software Applications/tools: Macromedia (Dreamweaver, Fireworks, Flash) , GFI (LanGuard, EndPointSecurity,EventsManager), Wordpress, Magento, Spiceworks, Nagios, Shinken Veeam 5.0 & 6.0, Encompass (Loan Origination Software), BankWay (Bank Account Management software), Dell SonicWal (firewall, vpn creation, netextender setup), UNIX/Linux LAMP stack, puppet, cfengine, ezjail admin, zfs,nfs,ufs,MTA, rsyslog, syslog, postfix, git, samba ,Apache-solr, Rundeck, Gitlab, mod_wsgi, Jira, Confluence, Plone, OpenVAS, Mongodb, Elasticsearch, Graylog2, rabbitmq, Caching Systems (varnish,squid), OpenVZ.
Software Applications/tools: Macromedia (Dreamweaver, Fireworks, Flash) , GFI (LanGuard, EndPointSecurity,EventsManager), Wordpress, Magento, Spiceworks, Nagios, Shinken Veeam 5.0 & 6.0, Encompass (Loan Origination Software), BankWay (Bank Account Management software), Dell SonicWal (firewall, vpn creation, netextender setup), UNIX/Linux LAMP stack, puppet, cfengine, ezjail admin, zfs,nfs,ufs,MTA, rsyslog, syslog, postfix, git, samba ,Apache-solr, Rundeck, Gitlab, mod_wsgi, Jira, Confluence, Plone, OpenVAS, Mongodb, Elasticsearch, Graylog2, rabbitmq, Caching Systems (varnish,squid), OpenVZ.
Languages
Greek, English,
Education
EDUCATION:
City University of New York – Graduate Center New York, NY 08/06-Present
Major: PHD in Computer Science
Level 2 – (All but dissertation)
GPA : 3.0
City University of New York – John Jay College New York, NY 09/04-08/06
Bachelor of Science – Magna Cum Laude
Major: Computer Information Systems in Public Administration
Cumulative GPA: 3.534
City University of New York – Graduate Center New York, NY 08/06-Present
Major: PHD in Computer Science
Level 2 – (All but dissertation)
GPA : 3.0
City University of New York – John Jay College New York, NY 09/04-08/06
Bachelor of Science – Magna Cum Laude
Major: Computer Information Systems in Public Administration
Cumulative GPA: 3.534
Interests
Unix/Linux OS Virtualization
