OBJECTIVE:

Seeking a position that maximizes my extensive technical background in engineering and architecture, excelling in Linux and VMware.

SUMMARY:

• 17 years of Linux experience
• 14 years of VMware experience
• 22 years of Systems and Data Center experience
• 3 years of Management experience

WORK EXPERIENCE:

Confidential

Linux Engineer

Responsibilities:

• Responsible for providing technical leadership in areas of day - to-day operations and project implementation.
• Standardized BackupExec backup process and setup scheduling formula for Linux based backups.
• Managed remediation process for all Linux servers to ensure they had the proper version of BackupExec and that all systems were being backed up as appropriate.
• Worked to standardize tape rotation process with other Engineers.
• Performed numerous Virtual to Virtual moves from ESXi to Nutanix with minimal downtime.
• Setup a Windows machine for VMware converter to do Physical to Virtual moves for legacy clients.
• Streamlined the decommissioning process of unutilized virtual and physical resources and removed a dozen plus servers that were no longer in service.
• Worked with other engineers for streamline systems patching with less impact.
• Resolved upgrade and migration path issues with GitLab instance that had improperly been upgraded.
• Integrated LDAP into Windows Active Directory for authenticating user and group permissions with GitLab and the ability to manager group permissions.

Confidential

Senior Systems Engineer

Responsibilities:

• Responsible for providing technical leadership in areas of day - to-day operations and project implementation.
• Led project to tag and analyze AWS resources across multiple accounts and regions to ensure compliance to corporate standards.
• Took AWS Technical Essentials training class.
• Performed cost analysis of assets to save over $200k/month in underutilized or improperly sized resources.
• Created network/system diagrams for clients using basic concepts in LucidChart that allowed non-technical clients to better understand platform configuration.
• Performed Disaster Recovery testing to ensure customer compliancy and performed process validation.
• Created standardized change management documentation for repeatable tasks, speeding up routine tasks and maintenance.

Confidential

System Administrator

Responsibilities:

• Onsite operational support for clients video processing infrastructure.
• Increased processing capacity of 400+ video grid servers from 75% to 98%, decreasing turnaround time from days to hours.
• Configure d and deployed three tier architecture of Nginx, Apache, Tomcat and Postgres servers in HA configurations.
• Implemented distributed wireless mesh networks.
• Assisted development with technical architecture and design discussions as a systems and network expert.
• Involved with hardware and system capacity planning for expansion of KVM virtualization environment.
• Created a distributed Nagios monitoring environment based on logical business units for better performance and response times.
• Troubleshot and maintained multiple versions of Puppet in three different environments covering over 600 clients while fine tuning cobbler imaging.
• Migrated and upgraded production Jenkins instance to current revision for WAR regression testing.
• Performed office data center move covering 200 servers, 400 grids and over 1.5pb of data.
• Orchestrated cabling of home office move and data center expansion.

Confidential

Sr. Systems Engineer

Responsibilities:

• Performed a physical data center migration from one location to another at remote colocation on one-week notice.
• Performance tuned MySQL, Apache and OS level resources in legacy environment.
• Significantly reduced downtime based on performance tuning and implementing change control methodologies.
• Assisted on build out of new data center including systems, storage and networking equipment and performed rack/stack and all cabling.
• Designed and built a web architecture on Debian Linux with Nginx/Apache in a multi-tiered LAMP configuration.
• Designed a multi-system Galera MySQL Cluster running on Debian Linux with load balanced front end in separated development and production environments.
• Architected and implemented a classic DEV/TST/STG/PRD environment model for all clients following deployment process.
• Built multiple High Availability NFS cluster environments with DRBD and keepalived.
• Implemented a multi-factor backup process for Galera using a customized automysqlbackup and xtradb backups.
• Implemented complex DNS environment using Bind and Unbound with F5 Load Balancers.
• Created baseline server configuration (OS/Patches) to keep all Linux servers current.
• Implemented CVS repository for system and application configurations.
• Implemented NAGIOS monitoring agent performance tuning and tracking metrics.
• Designed offsite backups procedure for content and databases on AWS with best practices methodologies for database backups to local and external resources.
• Took over production pushes from DEVOPS previously outsourced. Installed sanity checks and initial change management system.
• Created automation scripts for code pushes and system updates based on service groups and application environments.
• Standardized build and release process for code deployments locally as well with remote hosting services.

Confidential

Lead Systems Engineer

Responsibilities:

• Lead Systems Engineer in charge of 24/7 operations and support for corporate data center.
• Performed three complex data center migrations with five 9's availability.
• Created and designed cage layouts and power/connectivity requirements prior to two moves.
• Handled scheduling and migration times/dates for customer facing sites.
• Installed a large portion of the networking cables from switch to server and documented the process as a baseline for other colleagues.
• Currently central point of contact for all data center activities, installations, changes and alerts.
• Designed internal timelines for migrations and ran weekly update meetings to ensure all tasks and responsibilities were achieved.
• Worked hands on to physically move servers, networking gear, storage and UCS blade chassis.
• Designed and implemented 3-tier architecture migration for Java/Tomcat as well as Ruby on Rails from 32bit CentOS Linux to 64bit Debian Linux.
• Performed similar implementation and migration with Windows 2003/2008.
• Consolidated virtualization to a standard & uniform platform (VMware ESX).
• Performed day to day operations to manage performance and load on vCenter complex.
• Performed complex P2V’s using VMware converter to decommission over 175 physical servers.
• Implemented SSL certificate management on F5 load balancers.
• Designed and implemented complex DNS environment with split horizons.
• Mail server relay setup and configuration, monitoring and performance tuning.
• Implementation of Wiki documentation server that is being used between systems and networking.
• Nagios monitoring agent performance tuning and tracking metrics.
• Implemented CVS repository for system and application configurations.
• Setup basic IT ticket tracking system for changes and issues with the focus on change management.
• Created automated scripts for code pushes and change updates.
• Worked with BigIP F5 load balancers and handled low to moderate level changes.

Confidential

Sr. Systems Administrator

Responsibilities:

• Hardware Load Balanced (via Foundry Server Iron & Cisco Pix 515e) web servers running Apache 1.3.x, Apache 2.x and Microsoft IIS.
• Extensive experience implementing SSL software and SSL Certificates within Apache.
• MySQL database server installation, support and optimization in a master/slave configuration.
• Extensive utilization of Cisco PIX 515 series to support enterprise applications.
• Designed DEV and QA environments utilizing VMware server 2.0 acceptance testing.
• Upgraded VMware environment to ESXi 3.5 for standardization of tool sets.
• Created and managed Postfix Mail server utilizing extensive anti-spam blacklisting, greylisting and virus protection integrated into existing mail services.
• Setup and managed DNS in master and slave configurations utilizing Bind9.
• Intrusion Detection Systems utilizing Snort, Acid and Snortcenter.
• Created and implemented network monitoring and network operations consoles utilizing Cacti as well as Nagios.
• Managed user account creation and system maintenance (patches, upgrades) for complex network segmented Linux setup.
• Working knowledge of various Cisco networking equipment including Pix 515e and 1841 Routers.
• Implemented caching proxy server to ensure proper bandwidth management.
• Designed and implemented corporate change management policies and best practices.
• Had three employee direct reports that provided help desk and application level support.

Lead Systems Administrator

Confidential

Responsibilities:

• Managed business relationships with outside groups to provide a single point of contact into Operations.
• Change request review and approval.
• Performance reviews and appraisals as well as monthly 1 on 1 session with each team members.
• Made improvements in the applications environment and created process improvements, which allow Operations to work more closely with the outside organizations.
• Implemented compliancy of Security Standards and Policies.
• Implementation of large and complex domain trusts system for three-tier architecture on Windows NT 4.0.
• Built and managed 3-tier web/app/database infrastructure to support corporate application suites.
• Application and infrastructure design reviews prior to implementation.
• Implementation of Nagios (NetSaint at the time) monitoring system for additional support to Distributed Operations group.
• Extensive systems and application troubleshooting for internal and external customers.