Over the last 10 years, I have been working as technical support engineer/team leader/infrastructure architect for several large companies (hosting companies with more than 1000 of dedicated and several dozens of VPS servers, ecommerce application companies, small and large companies with different cloud setups from several to several hundreds of instances) My competency lies in planning, development, deployment and setup of new production environments, troubleshooting/support/improvement of existing production systems based on Linux/Unix. Have a lot of experience in automation/monitoring/backup of different distributed environments with LAMP stack and other applications, different clustering, scalability and high-availability techniques.
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server-administration, linux-system-administration, windows-administration, unix, freebsd, clustering, amazon-web-services, virtualization, openvz, plesk, cpanel, customer-support, helpdesk-support, internet-applications, database-management, mysql, postgresql, microsoft-sql-server, rdbms, mail-servers, dns, web-services, iis, apache, lighttpd, nginx, apache-tomcat, jboss, security, openvpn, billing
Microsoft Operating Systems: - Fluent in automation of management of Desktops and Servers in environments of 5 machines to 1000+ machines - Ability to deploy and manage complex reliable Active Directory infrastructures over global and geographical distances of any size - Manage, Deploy, Troubleshoot Hyper-V environments - Microsoft Server Cluster Services deployment and implementation - Deploy, Manage, Troubleshoot Heavy use and High Availability Terminal Server environments - Fluent in automation backup, local disaster recovery and remote site fail-over of all Windows environments Linux Environments: - Fluent in automation of management, deployment, and optimization in environments from small to large in any capacity - Fluent in postfix, sendmail, qmail mailserver configurations and support - Deploy, Manage, and troubleshoot highly available NFS and DBRD clusters - PosgreSQL and MySQL secure, optimization, deployment and management skills - Fluent in deploying, managing, and optimizing LAMP configurations of any size and capacity - Fluent in filesystem optimization with ext3, ext4, ReiserFS, GFS - Limited experience deploying Ruby on Rails environments with Passenger and Apache frontend instead of WebBrick - Minimal experience with GlusterFS - Fluent in automation backup, local disaster recovery and remote site failover of all Linux environments - Ground up Nagios environment monitoring - Entry level knowledge and understanding of Logstash, ElasticSearch, Puppet implementation Virtualization Environments: - Fluent in deploying and automating Amazon EC2, VMWare vSphere, Citrix XenServer, Microsoft Hyper-V - Wealth of industry resources in the Virtualization industry from storage vendors to application development firms - Knowledge and dedication of maintaining a 100% up-time virtual infrastructures Key Software Skills - Microsoft Exchange management, deployment, advanced data recovery, high availability, support, and global environment support knowledge and experience - Microsoft SQL Server management, deployment, advanced data recovery, high availability support knowledge and experience - Asigra Cloudbackup, setup, management, development level integration, automation knowledge and experience - Novastor NovaBACKUP xSP, setup, management, development level integration, automation knowledge and experience - Appassure support and implementation experience - Minimal Citrix deployment, management, design experience (currently working on a project right now dealing with it though) - Kaseya, GFIMax Remote Management, Autotask, Labtech, Logmein deployment and usage experience Hardware Experience - Industry contacts in most major storage vendors (Netapp,HP,IBM, Hitachi, SGI, Xiotech) - Experiencing deploying, managing and maintaining 100% Mixed SAN infrastructure environments for 100+ TB including cross site replication - Limited Cisco exposure but have adequate resources to insure the issues can be resolved and resolved correctly - Intermediate knowledge of deploying and managing Juniper SSG firewalls and Juniper EX Series switching environments. - Fiber and iSCSI switch management experience deployment - Designing and implementing complex and highly available network switching infrastructure - Construct and servers / workstation / SANS from the ground up that compete with Tier 1 hardware - Layer 7 hardware, software, and virtual load balancing with Kemp, CoyotePoint, and HAProxy solutions. Outsourcing / Development / Project Management skills - Found and managed an offshore outsource development team to complete a web application project to automate provisioning and custom relations management for 1+ year - Managed entire eCommerce infrastructure migration from end to end - Minimal development experience in PHP, SQL, ASP, .NET, CodeIgniter, Ruby on Rails - Limited development experience with Powershell, Python, Perl, VBscript, Ruby - Knowledgeable of defect tracking systems such as Jira and Request Tracker - Fundamental concepts of the DevOps mentality and operational flow. - Use Kanban process management on a daily basis to organize my work.
10+ years of Linux/Network experience with different systems. Finished and delivered SMB solutions to big corporate companies lie BNP Paribas, ABN AMRO or RBS. My main areas of knowledge are: 1) Networking (Cisco/Juniper/F5/BlueCoat and Linux/FreeBSD based solutions like vyatta/pfsense etc) 2) Security - Cisco IPS/IDS, CheckPoint, Linux/FreeBSD based, Juniper etc 3) Linux administration - mail system, database (mysql/mysql cluster), server with high load average, load balancers for server farms (Cisco/F5 based and Linux based like keepalived or apache/nginx with reverse proxy) 4) VoIP - Cisco/OpenSource(Asterisk and different installations based on asterisks like freepbx/elastix etc) There is a very small piece of my knowledge, I'm always looking for opportunity to grow and I'm pretty sure that if you give me tasks - I'll find out best way howto get it done.
Since 2001, I have been dedicatedly working with Linux Operating Systems & Open Source. Services Provided ::- Deployment, Configuration, Security, Hardening, Monitoring, Performance Tuning, Troubleshooting of Linux Server Roles AWS – Amazon Web Services Migration of Servers Hosting Panels like WHM/CPanel, Plesk etc Asterisk Dialers, VOIP and Call Center Solutions Customization of Linux Kernel & Distro with Rebranding Faculty of Post-Graduate Degree in Computer Sciences. Firewalls & Gateways Linux HPC - High Preformance Clusters Remote Server Support & Troubleshooting L3/L4 Security Auditing of Servers & Websites Cloud & Virtualization Technical Writing VPN - Site-to-Site, Road-warrior Vulnerability Assessment & Penetration Testing Kayako
Hello, I am an experienced programmer & system Administrator with expertise in high performance system infrastructure, customized deployment solutions, configuration management, monitoring, python , Django development, REST based backend systems and related infrastructure support. I am in process of becoming Official Amazon Provider Network Member - Consulting Partner [https://aws.amazon.com/partners/overview/consulting-partner/]. Highlights: 1. Created an infrastructure with over 4000 servers (physical as well as cloud servers aws, rackspace and go grid) distributed in 4 regions , implemented monitoring, ha, replication, configuration management. Recruited a team of 3 sys admin's , trained them and supported platform 24/7 with 3 engineers. 2. Have worked with several technologies and scaled it for high volume with massive cost savings. 3. Created a unified platform to interact with multiple public clouds. ( aws, go grid , rackspace with custom python based system) 4. Designed a geo-distributed, full tolerant with a SLA of 99.99999 deployment and deployed it using Amazon Cloud, Rackspace Cloud,gofrid cloud and on physical servers 5. Designed a scalable storage system using open source and commodity hardware. I have managed large (4000+) servers for my employers and clients, which include GE, Wipro, Lehman Brothers & Glam Media. I have managed IT security for GE and banking sectors (built a DC and developer shop for Lehman brothers in china). I now offer remote system management consultancy and training services. I have attached my linked in profile and references if you need them. I have designed, developed and maintained large scaling, load-balanced and redundant infrastructure for many clients. Most of the infrastructure I have designed are, • fully automated (saltstack/puppet and deployment via various code deployment tools integrated with git or subversion) • auto-scale (on demand scaling) • auto-heal and auto curate • fully load-balanced • in required cases geo-distributed • Monitored with custom performance plugins, logstash, nagios, check_mk, zenoss This infrastructure architecture and deployments were in different environments • Dedicated servers at various isps • Virtualized Environment (Xen, KVM, VMware and others) • Public cloud: Amazon, Rackspace, GoGrid, and others • Private Cloud:= openstack • Different Business Verticals, • Ecommerce • Social Application (www.ning.com ) • Big Data Analysis and Analytics • Media (audio and video) • Online Advertising • Banking, • BPO / KPO Web Servers (Apache, lighttpd, Nginx, Cherokee) Load Balancers (HAProxy, Nginx, Pound, LVS, balance, Varnish, Zeus Load Balancer) Ruby on Rails (Phusion Passenger, Unicorn) Python (mod_python, uWSGI, gunicorn) Java (Tomcat, Glassfish, Jetty, Jboss) Database/DataStores (Mysql + variants, Postgresql, Oracle, Mongodb, Memcached, Redis, Riak, Membase/CouchDB, nd others) Data Analysis (Hadoop, Bigdata) Distributed File System (Glusterfs, Coda, Ceph, pVFS, Lustre, ZFS, OneFS, XtreemFS) Search (Solr, Lucene, Nutch, ElasticSearch, Lily, Katta) Caching (varnish, memcache, flashcache) Monitoring (Nagios, Munin, Icinga, Ganglia, cacti, ntop, op5, Zabbix, pandoraFMS, OpsView and others) DNS (bind, tinydns,) Mail (postfix/sendmail/qmail/exim, Dovecot/Courier) Security (Snort, Splunk, Samhain, OSSEC, OSSIM, Suricata) Centralized logging (rsyslog+loganalyzer, splunk, zlogfabric, octopussy, Samhain, Graylog2, Kibana, Log.io, OpenTSDB, Flume, Scribe CMS (wordpress, joomla, mambo, typo3, etc and other custom developed CMS) and many other applications and services Most of these infrastructure architecture are for high volume traffic web application or for massive computing requirements. I can help you in following way. • python, django, golang web app development, REST back-end • code deployment, automation • Efficient monitoring system and notification configuration • OS updated and performance tuning of kernel to support database & applications. • Backup solution to take backup and transfer to offsite. • A configuration management ( saltstack / puppet/ cfengine) and load balancing solution. • • Source control using git, svn • On call support.
A System Administrator for over 14 years with extensive knowledge of linux operating systems. I love what I do, and that makes it even better. Even after 14 years, it's still something I enjoy doing. So if you have a problem and you need someone to solve it, or you want to make sure someone is around to prevent it. I'm your man. Please see http://www.linkedin.com/in/gregborbonus/ for full resume
PROVIDES 24/7 SUPPORT IN REMOTE SERVER ADMINISTRATION, Having 7 Years of Experience in AWS / Linux / Server Administration with experience in ( EC2, S3, ELB, High Availability Architecture , EBS, Beanstalk, Security Groups, Route53, Cloud Front, (CDN) , RDS VPC, Cloud watch, Autoscalling etc Having 7 years of Experienced in Linux ( Red hat , Fedora, Cent OS , Ubuntu ), , Windows Server 2008 , Lampp Server Administration , Apache , IIS , Microsoft SQL Server (2005,2008) Administration , MySQL Server , DNS Server , SSL , Zimbra Collaboration Suite , Scalix , Axigen , Open fire , Iptables , Linux Based Firewall , Subversion , Endian Firewall , VMWARE Work Station , VMWARE ESXI , Citrix Xen Server , Microsoft Hyper -V , PBX (Asterisk ,Sip exec) , Apache , LAMP , virtualization etc..
I have experience with : DigitalOcean,Linux-based system, shell scripting. High-available ,LoadBalancing,virtualization. Server panel,nginx,apache,php-fpm,MySQL,MariaDB,FTP,DNS,networking and more softwares. Openstack VoliaCLOUD Performing,optimization. Simple debug,strace,dtrace,logs. Knowledge interaction with kernel,memory. Build from source