JOHN E. VALDEZ

Telephone: 808-***-****

E-mail: ac8f5t@r.postjobfree.com

EMPLOYMENT OBJECTIVE

Seeking a challenging Unix/Linux or DevOps operations role where my skills, experience, and education can be utilized to our mutual benefit.

PROFESSIONAL EXPERIENCE

Hadoop / DevOps Contractor 9/2017 to present

Currently with CACl, Inc.; previously with Taos, Inc.

- Active Public Trust clearance

- Linux Hadoop Administration of entire big data stack

- Data migration of petabyte scale hadoop cluster to AWS S3

- Setup EMR cluster using Cloudformation or aws cli

- Documentation of all work

- Mentoring and cross-training peers during “brown bag lunch” training sessions

- AWS work in company’s hybrid (cloud and hosted datacenter) infrastructure

- Tools used: Ansible, puppet, vagrant, docker, terraform

- Build out applications in AWS; automate using command-line tool (aws cli, boto/3)

- Setup alerting and monitoring for all applications and servers

- Work with developers (running test jobs, making sure jobs run)

- Participate in data architecture and review processes, including planning and monitoring efforts, reviewing deliverables

- Setup various hadoop environments (test, staging, production expansion)

- On-going support for various hadoop environments; mysql (metastore) backups, security, tuning

- On call support

Team Lead

MZ (Machine Zone), Palo Alto, CA 10/2016 to 11/2017

- Responsible for the day to day Linux operations and support of Hadoop (HDP & MapR) & nix environments

- Linux administration duties (storage, upgrade application, network monitoring, installations, etc.)

- Handle operations duties of Big Data data pipeline (Kafka, ELK, Storm)

- Build out and maintenance of development, staging, and production environments

- Other supported environments: AWS (EMR) and GC (long-running jobs)

- Hadoop cluster setup, upgrades of clusters, and application support

- Work with several development teams on big data jobs issues

- Handle (agile) Product Owner responsibilities of the Big Data, Vertica, and pipeline teams

- Participate in on-call rotation

Big Data, nix Administrator

Taos, San Jose, CA 1/2014 to 10/2016

- Daily hadoop and Unix administrator tasks surrounding 2 CDH 5.2.x clusters & MapR 4.x

- Build out of small, big, to huge Hadoop clusters

- Hadoop Cluster infrastructure setup, software installation, upgrades

- Provide system administration and technical assistance to internal customer base and partners

- Participate in testing of new and updated products and provide feedback

- Took care of network monitoring setup, tuning, troubleshooting, maintenance

- Work with development team to install components (Hive, Pig, etc.) and manage MapReduce jobs

- Capacity planning of several hadoop clusters as well as NAS storages

- Maintain the availability, performance, and continuity of client’s Big Data (Hadoop) environments

- Day-to-day linux and AWS administration duties

- Some on-call responsibilities

Systems Hadoop Administrator 1/2013 to 12/2013

Webex (Cisco), Santa Clara, CA

- This is primarily an ops centric job with a systems and architecture orientation

- Hadoop Administration duties (installation, configuration, user management, and day to day operations, maintenance, monitoring, and capacity planning); building hadoop clusters and surround hadoop eco-system application(s).

- Use puppet to sync configuration files

- Create extra alerts that worked together with Cloudera Manager alerts

- Participate in overall deployment architecture discussions

- Assist development team with hardware configuration, security issues, etc.

- Installation of development clusters for engineering and QA groups

- Multi, international team collaboration of several cluster uses

- Handle all OS related issues, installations, rebuilds

- Support development and sustaining engineering group

Sr. Linux Administrator 10/2011 to 1/2013

Proofpoint, Sunnyvale, CA

- Administer, setup, and maintain Linux (Centos 5.x, 6.x, ESXi) bare-metal servers and/or virtual machines to be deployed as Hadoop (Apache, CDH3, MapR), Big Data applications, MySQL, or staging/QA servers; working on LAMP stack and Apache Foundation applications.

- Setup monitors and plugins for Nagios to monitor specific checks for deployed servers

- Maintain stringent uptime requirements for external-facing environment

- Installation of development clusters for engineering and QA groups

- Multi, international team collaboration server farm and cluster use

- Support development and sustaining engineering group for both FISMA and non-federal environments

- Support AWS instances (backup to our datacenter servers)

Hadoop Administrator 11/2010 to 9/2011

eBay, Inc., San Jose, CA

- Hadoop production and development cluster support

- Maintain and build hadoop cluster in Production and Development

- Upgrade Hadoop versions on Petabyte scale clusters

- Installation of software releases, patches of the operating system, third-party utilities with emphasis on overall system security

- Work with other system administrators, NOC and Operations staff to improve the quality of service for end users

- Troubleshoot and determine root cause of system and application issues

- Respond to system problems and user questions in person, via email and via a trouble ticket system

Hadoop / Unix Administrator 7/2009 to 11/2010

LinkedIn, Mountain View, CA

- Primary duties are to setup, configure, rack, and maintain grid (Hadoop) compute cluster (running Solaris 10)

- Other responsibilities are setup and maintenance of development Hadoop environment (running CentOS 5.x Linux)

- Documentation of tasks onto wiki

- Weekly transfer of information to other Systems Administrators

- Participate in off-hours on-call rotation

- Ganglia and nagios setup and monitoring

- Other day-to-day System Administration tasks

Contractor 11/2008 to 7/2009

Lockheed Martin, Mountain View, CA

- Configuration, administration and upgrade of Solaris, FreeBSD, Apple and Linux (Redhat 4, 5.x & CentOS) operating systems, that is part of a constantly growing & scaling environment.

- Cluster environment setup, administration, and maintenance.

- Setup networking installation (jumpstart & kickstart) servers for Linux & Solaris (9 & 10).

- FISMA (Sarbanes-Oxley equivalence in the federal government sector) compliance team member. Member of security team that converted a 1,000-node infrastructure to be fully FISMA compliant.

- Backup Windows Administrator: configuration, administration and upgrade of windows operating systems and support workgroups.

- Administer data backup infrastructure (Legato and Veritas Netbackup, moving to Bakbone).

- Storage administration of 10 Netapp filers and generic NAS servers

- Troubleshoot problems and takes appropriate corrective action and communicate with end user population.

- Daily maintenance and problem resolution, OS patches and software upgrades, and routine hardware configurations.

- Installation and OS upgrades of > 300 Linux servers (network kickstart or by image using Clonezilla or Acronis)

- Minor MySQL administration

- Setup Nagios and Cacti to monitor critical services for two buildings/ infrastructures

- Automate and monitor systems UNIX admin tasks by using scripting (shell & Perl)

- Follow change management policies and practices.

- Participate in off-hours on call rotation

- Monitor daily tasks; troubleshoot problems, and performance tuning.

- Develop/maintain UNIX infrastructure, including DNS/NIS/LDAP

IT Manager 5/2007 to 11/2008

SS8 Networks, San Jose, CA

- Set up, maintain, administer, and monitor Solaris/Linux/QNX/Windows systems

- Backup Technical phone support engineering work during times of heavy call volume

- Simulate and reproduce customer setups to check for bugs and verify RFE’s

- Manage and maintain our co-location facility

- Maintain patch level and security updates on critical system

- Create documentation for our storage infrastructure based on common ILM best practices

- Research and evaluate new and emerging technologies

- Debug and troubleshoot network, server, storage (NAS/SAN), desktop, and end-user issues

- Perform and provide on-call 24x7x365 support

- Replace/set up corporate email relay (Sendmail)

- Setup and configure Barracuda spam & malware appliance

- Monitor critical systems using Cacti & Nagios

- Document IT practices; provide mock audits based on 3rd party (KPMG) guidelines

- Took over as IT Manager in my fifth month

- Aside from my managerial tasks, I handled all *nix servers and administration of them

EDUCATION

Bachelor of Science, Information Systems Management

University of San Francisco, San Francisco, CA

REFERENCES

Excellent and shall be gladly furnished upon request.

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