SUMMARY:

RedHat Certified Information Technology professional with over 15 years of hands - on UNIX and LINUX experience with world-class companies within highly competitive markets. Proven technical leader with the ability to successfully guide diverse internal and external teams to achieve organizational objectives, streamline internal processes, and drive enhanced productivity in the attainment of complex project goals. Skilled UNIX/LINUX Architect and Systems Administrator renowned for designing, deploying, configuring, and supporting large-scale RedHat and Solaris systems that dramatically enhance companies' technical capabilities. Expertise in a wide range of software and tools including SolarWinds, Amazon AWS, New Relic, ScienceLogic, Splunk, Puppet, and Docker. Collaborative communicator continually focused on building relationships and promoting synergy across business lines to drive comprehensive business approaches and enhanced profitability.

CORE COMPETENCIES:

• Systems Administration
• Architecture & Design
• Project Management
• Solutions Implementation
• Technical Leadership
• Software Engineering
• Script Development
• Security Assessment
• Implementation & Support

TECHNICAL PROFICIENCIES:

Operating Systems & Applications: RedHat Linux/RHEL ES 4/5/6/7.X, CentOS 6/7.X, Ubuntu Server 12.X/14.X/16.X, Debian 8, Solaris 9/10/11, Windows 2000/2003/XP, IBM AIX 5.3,, Cisco UCS Manager

Web Software: Apache, Tomcat, Nginx

Virtualization: Docker, VirtualBox 4/5.X, VMware ESX/I 4/5/6.X, Xen, Vagrant 1/2.X

Configuration Mgmt.: Ansible, Puppet, Foreman

Cloud Software: Rackspace AWS, Amazon AWS, OpenStack

Monitoring Software: ScienceLogic EM7, New Relic APM/Infrastructure, Nagios, Zabbix

Storage & Backup: Amazon EBS, S3, RedHat LVM/RAID, SUN LVM/SDS, Veritas BareMetal Restore 4.7 MP1, Veritas VXVM/VXFS/VVR/VCS 3.5/4.X/5.X, Veritas NetBackup Enterprise 6.X/7.X, Vault, Veritas NetBackup Enterprise VXSS, EMC ECC/Powerpath, Isilon OneFS, Insight IQ, Dell Powervault MDS Manager, 3PAR Inserv 2.2.4(MU4) CLI/GUI and HP Storage Essentials.

Communications: SUN NFS/NIS/NIS+, TCP/IP, Putty.

Other Software: GIT, Microsoft Office Suite, OpenOffice

Languages: Korn Shell, BASH, Expect, C, light Python

Hardware: Cisco UCS C220/B200, 9506MDS, Arista 7508, 7050, Mellanox ConnectX 2/3 EN, HP PROLIANT BL 460 G8, DL 360/370/380/385 G7/G8/G9. DL 560/570/580/585 G7/G8/G9, DL 785 SL 4540 G8, DELL 6320, IBM 3650 M3, 3850 M3, SUN M4000/5000, V480, V490, V880, X2250, X4150, X4450, T5220, T5440, T5120, T5140, 4800 and 6800 Storage Systems: 3PAR S400X/T400, Dell MD3460/MD3060e, StorageTek Bladestore/Flexline 200/300, EMC ISILON NL400/X400, Clarion, EMC DMX 1XXX, EMC DMX2, EMC SYMMETRIX, NETAPP FAS2050, FAS 3140, FAS3170 and HITACHI 9XXX, Overland Neo 8000e/4000e

PROFESSIONAL EXPERIENCE:

Confidential

Senior Linux Lead Infrastructure Consultant

Responsibilities:

• Championed a comprehensive end-to-end assessment of all infrastructure related assets including physical assets, VMWare assets, AWS/Rackspace assets, Market Data assets, and all related maintenance and support contracts.
• Innovated and implemented firm-wide Linux infrastructure standards to enhance consistency and normalize systems management.
• Drove the buildout and deployment of a full-scale physical infrastructure for a new Datacenter cage.
• Spearheaded the Proof of Concept (POC) and deployment of Solar Winds IPAM, New Relic APM and Infrastructure monitoring,ScienceLogic EM7 infrastructure monitoring, Ansible, and Splunk.
• Led the setup and administration of a 3-tier GIT Hub Enterprise
• High Availability infrastructure, as well as administration of Jenkins and redeployment of JIRA tools.
• Successfully engineered and managed VMWare 6.X, Rackspace AWS, and RHEL 7.X.
• Slashed ongoing monthly support costs by 50% by conducting a detailed Linux infrastructure remediation.
• Pinpointed hundreds of critical vulnerabilities through an end-to-end Linux security assessment and remediation.

Confidential

Senior Linux Systems Administrator

Responsibilities:

• Excelled in the hands-on administration of a 5000+ core HPC cluster running Sun Grid Engine on approximately 500+ Cisco UCS C220 and B200 machines.
• Drove the installation, configuration and administration of multiple Petabyte+ Pacemaker/Corosync HA NFS clusters in a CentOS/RedHat ES6/7.X research computing environment.
• Enhanced technical capabilities of the facility through the setup and configuration of HP Vertica clusters on HP 380 G9 servers and the configuration and installation of the Cisco UCS environment on 500+ Cisco servers.
• Leveraged expertise in DELL Powervault MDS Manager to administer multiple petabyte+ Dell MD3460/3060E environments.
• Directed configuration management using both Puppet and Foreman, in addition to spearheading the administration of VMware 6.X using VMware VSphere 6.X client. Led the installation evaluation and POC testing of Docker and AWS EC2/ECS.
• Advanced monitoring abilities through Zabbix administration.
• Streamlined storage management for the largest EMC Isilon setup in New York, a 20 Petabyte storage environment containing approximately 99 interconnected Isilon nodes and two (2) smaller Isilon clusters.

Confidential

Chief Technical Strategist

Responsibilities:

• Successfully supported the management of 6500+ Linux server infrastructures (RHEL5.X & RHEL6.X) in a RedHat ES5.X/ES6.X global production environment.
• Promoted company-wide standardization through the configuration of key systems in adherence to standard systems build practices, and widespread kernel and network based systems tuning.
• Configured and deployed thousands of highly complex physical and VMware systems across all business units using internal SSD drives, Fusion I/O drives, Mellanox ConnectX 2/3 cards, EMC Symmettrix/Hitachi Disk Arrays, and Netapp and native Thumper NFS filers.
• Effectively gathered client requirements, identified and resolved hardware and/or software-related performance issues, and led both implementation and post implementation project support. Led provisioning and configuration management efforts using Blade Logic and Puppet. Created customized scripts using Ksh, Bash, and Python.
• Dramatically reduced datacenter operating expenses by 70%+ through the complete migration of 2,000 - 3,000 servers from a NYC-based datacenter to a new facility in upstate New York.

Confidential

Senior Linux Technical Consultant

Responsibilities:

• Managed the full lifecycle build, deployment, and support of approximately700 machines in a RHEL ES5.X/6.X web-based transactional Internet advertising environment (RedHat ES5.X/ES6.X global 24/7 real time environment).
• Automated a wide range of vital administrative tasks through the creation of innovate Bash/Expect/Ruby scripts.
• Hand-selected as the Global Technical Lead for Veritas Enterprise NetBackup 7.1. Orchestrated extensive performance tuning for XFS/NFS filesystems, Fusion/HP SSD drives, and various Linux bonding configurations. Promoted widespread software administration including such tools as Puppet, Cobbler and Nagios.
• Significantly advanced cloud computing services through the installation, configuration and administration of Amazon AWS EC2.

Confidential

Senior Linux Low Latency / High Frequency Technical Consultant

Responsibilities:

• Engineered the full lifecycle design, deployment, support and troubleshooting of a 100% RHEL 5.x low-latency ultra-high-frequency active production co-location infrastructure, including 600+ individual machines, as part of an elite technical team. Successfully liaised between the bank, operations center, and suppliers on all technical matters.
• Drove task efficiency by creating dozens of customize scriptsto automate tasks, and using viable third-party tools such as ASU64, iflash64, Ipmi, megacli64, and xcat to interface with the system.
• Gained extensive experience with NetApp high-speed 10G NAS filers, Arista 10G switches, Mellanox 10G cards and Fusion IO Cards, as well as hands-on knowledge of Mellanox to Arista connectivity.
• Catapulted revenues by millions through the successful rollout of a new, efficient trading environment and platform.

Confidential

Senior Linux / Solaris / Veritas Technical Consultant

Responsibilities:

• Spearheaded the efficient deployment,redeployment, and support of hundreds of VMware VMs, Linux, and Solaris servers across multiple datacenters in North America.
• Championed upkeep and standardization of a RedHat ES 5.3 environment with Veritas VCS/VXVM/VXFS/CFS 5.X running on single nodes and VMware VMs to multinode Sybase and Oracle VCS Clusters.

Confidential, New York

Senior Solutions Architect

Responsibilities:

• Successfully designed and architected a complete 3PAR SAN Storage solution comprised of two (2) S400X and two (2) T400 Arrays with 1/2 Petabyte of total storage.
• Led a massive $50 million dollar Data Center Relocation Project as the Enterprise Lead.
• Gained valuable expertise in VMware Server 3.X, VMware ESX 3.X, Solaris 10 Zones, Clustering, Remote Replication, and Veritas VXVM/VXFS/NetBackup.