Cloud Systems Engineer (contract) Resume Boston, MA - Hire IT People

PROFESSIONAL SUMMARY

Well - rounded systems and infrastructure engineer with progressive experience in Linux and Unix systems and network administration.
Self-starter with strong sense of ownership. Strong analytical and technical proficiency, passion for problem-solving and holistic view of complex systems.

TECHNICAL SKILLS

Knowledge of all flavors of Linux and deep knowledge of CentOS, Ubuntu and FreeBSD.
Sound knowledge of networks and TCP/IP network protocols. Experience with various network diagnostic and deep packet inspection tools; tcpdump, wireshark, nmap, PingPlotter, SteelCentral Packet Analyzer (Cascade Pilot).
Building and implementing monitoring for network, server and application status using Nagios\Icinga, Cacti, MRTG and Ganglia.
Comfortable with Bash scripting.
Extensive experience with Dell and HP server quality hardware deployment in large server environments (1000+) and Xen and VMware virtualization
Familiar with DNS and CDN concepts and revision control systems (SVN, Git)
Work in Agile DevOps environment
Experience with AWS
Competent in end to end troubleshooting

PROFESSIONAL EXPERIENCE

Confidential, Boston, MA

Cloud Systems Engineer (contract)

Responsibilities:

Worked at multinational operational team on follow-the-sun schedule in Agile environment utilizing Kanban, Jira, and Confluence.
Provisioned, maintained, upgraded and troubleshoot 12,000 Linux systems running the LAMP stack in the Amazon cloud.
Spun up new servers via automated command line tools in Bash, Ruby and Puppet.
Performed extensive troubleshooting across the whole Confidential cloud stack; Ubuntu, Apache, Varnish, Nginx, PHP-FPM, MySQL Percona, GlusterFS, and Vagrant.
Used Nagios, Graphite, and PagerDuty to monitor systems and services.

Confidential, Boston, MA

Systems Administrator

Responsibilities:

Member of the NOC, a team of 12, responsible for the design, build-out and operational support of the cloud infrastructure of the company across the globe. The technical environment was a mixture of 1000 Windows, Linux and FreeBSD physical and virtual hosts in 8 data centers across the globe.
Maintained FreeBSD-based firewalls (PF) and VPN servers (Quagga).
Worked extensively with HP servers and Brocade networking gear.
Improved DDoS attacks detection and participated in mitigation and post-mortem analysis.
Performed data center visits to install and setup new equipment.
Participated in 24/7 on-call rotation to support customer-facing production environment.

Confidential, Newton, MA

Linux Systems Administrator

Responsibilities:

Worked across several operational teams in Linux-based environment - Technical Operations, Data Warehouse/Hadoop and DevOps
Owned and upgraded Xen environment of 300 virtual machines
Key contributor in Nagios\Icinga and Cacti development and administration
Responsible for DNS (Bind) administration
Extensive work with Dell servers, EqualLogic PS6100 and Nexsan storage
Participated in three data center migrations
Assisted in the network administration of Cisco network equipment, F5 Big-IP load balancers and WAF (ModSecurity)
Member of the two-person team in charge of the 750-core HPC Beowulf cluster for Genetic Analysis, running Rocks Linux cluster distribution and Sun Grid Engine
Responsible for day-to-day server hardware and software support, monitoring and performance troubleshooting of the clusterWorked extensively with IBM and Dell servers
Responsible for the online community support for Rosetta Stone customers

Confidential

Linux Systems Administrator

Responsibilities:

Member of the team in charge of the network infrastructure and security of BNB. The technical environment was a mixture of 120 IBM physical servers running AIX, Linux, Windows, NetWare and ESX
Acted as primary Linux administrator of 30+ SUSE Linux Enterprise Server and ESX servers
Built the initial virtual server infrastructure of Confidential, based on VmWare ESX 3.5.
Participated in the project of building and maintaining National Education Network; Connecting 3300 schools in Bulgaria in intranet/to Internet, based on Windows AD

Confidential

Chief Expert

Responsibilities:

Performed administration of Active Directory infrastructure and LAN
Provided technical support to end users for all software and hardware problems
Managed various Geographic Information systems (GIS) - ArcView, ArcInfo, and ArcSDE Server
Provided Windows and GIS support to end users
Performed Spatial Analysis of various types of data