Manager Customer Service

Jeffrey D. Perret

***** ****** **** ******, *******, CA 92584

951-***-**** • ********@*****.***

http://www.linkedin.com/in/jeffreyperret

Profile Summary

Solutions-oriented Systems Administrator and Architect with over 15 years of experience in end-to-end Infrastructure and Systems Administration with strong ability to assess needs, define requirements, develop value-added solutions and execute technical solutions that streamline and improve operation efficiency. Broad knowledge and technical skill regarding analysis, design, installation, migration, upgrades, performance tuning, maintenance, troubleshooting, backup and restore of database

Certifications

IBM Certified System Administrator – AIX System Administration

IBM Certified Database Administrator – DB2 UDB User

IBM Solutions Expert – DB2 UDB Database Administration

Oracle Master – Database Administration

Core Competencies

Technical documentation

Network/System Administration

Leadership and Mentorship

Installation & Configuration

Proactive monitoring

System Integration

Patching & Upgrading

Troubleshooting

Problem Solving Skills

Database Processing

Technical Support

Customer Service

Technical Proficiencies

Operating System: Red Hat Linux (AS/ES 3/4/5/6/7), Solaris 10/9/8, HP-UX (10.20, 11.00, 11.11, 11.23), IBM AIX (4.3, 5.1L, 5.3L, 6,7 ) i5/OS (AS400), Windows 2000/7/8/10

Hardware: IBM power5,6,7,8, RS/6000, Pseries, Iseries, Xseries Sun Fire 280R/V480/4800/3800/12K/15K, HP/IBM/Blade Servers, Dell Power Edge 2800, 2650, 6800

Storage: SAN EMC Clariion 500, 600, 700, IBM DS4700, FAS3050, FAS3020 and FS960, Hitachi HDS, Dell Compellant, IBM LTO Ultrium

Web /Application Server: Apache, NGINX, WebSphere, WebLogic.

Languages: UNIX Shell Scripting (bash, korn), Perl, Python, C, C++.

Databases: Oracle8i/9i/10g/11g, DB2 ESE, UDB, MySQL,MariaDB

Other: Xen, KVM, VirtualBox, Ansible, Chef, Puppet, Docker, Vagrant

Professional Experience

Platt College – Riverside, CA

IT Instructor 11/2017 - present

Responsible for providing quality instruction to students, maintain an organized, disciplined classroom environment that is conducive to learning and imparts the requirements of the relevant workplace setting to existing students.

Courses taught: Comptia A+ Certification, Cisco Networking, Windows, Database Administration, Project Management, Cloud, and Linux Administration

Collabera Consulting, Basking Ridge, NJ (Contractor for IBM)

Unix / Linux SME (Subject Matter Expert), 6/1/2015 – 3/1/2017

As Linux SME (subject matter expert), I mentored and provided technical support to the administrators responsible for the day to day operations of Linux-based infrastructure and applications.

Implemented monitoring and wrote monitoring scripts specific to each instance

Provided 3rd level support for all Linux-related issues.

Worked with RPM sources (patching and recompiling).

Installed, configured and maintained multiple Red Hat Satellite Servers, and custom repositories..

Implemented security policies, monitored unusual traffic patterns, bandwidths, and vulnerabilities.

Solved technical problems in high-pressure situations as the primary escalation point for high-priority, complex issues and outage recovery..

Provided application support to various customers.

Management of all server patching and coordination between Developers, DBAs and UNIX / Linux Engineers.

Analyse user requirements, procedures, and problems to improve system response.

Wrote and maintained documentation on servers, etc.

Respond immediately with effective long-term solutions when a problem is found.

Maintain services, achieving 99.9% uptime according to company SLAs.

Monitor and resolve incidents and problem tickets using Service Now.

Document complex resolutions to serve as a guide for the rest of the global team when they encounter similar situations

Support internal managed services team and external customers/clients

SUDO Remediation SME

Implement "Least privilege" access by deploying the NA-approved version of the Global SUDO template or obtain approved adjustments or account-specific templates.

Ensure SUDOers files are in the # included format which format which is required by future automation. Unix SME Sudo syntax Sudo operation on production servers (implementing, debugging and backing out updates).

Ensure SUDOers files are in the # included format which format whcich is required by future automation

APR Consulting, Inc., Diamond Bar, CA

AIX Systems Programmer, 12/2010 – 12/2014

Responsible for supporting citywide Financial Management Systems (FMS) rollout through oversight of project managers and team leadership of five system programmers.

Supervised and evaluated performance of key team members.

Supported over 30 Power7 Logical Partitions (LPARs) via PowerHA, VIO, NPIV, and NIM servers.

Created and installed new LPARs while configuring middleware applications. Managed over 20 VM Redhat Linux servers.

Developed and implemented security policies for AIX servers.

Configured volume groups and logical volumes, extended logical volumes for file system growth needs using Logical Volume Manager (LVM) commands.

Experienced with installing and upgrading operating system on client using various methods including NIM installation using and creating lpp_source and SPOT

Restoring the server from the mksysb image and bringing up the server

Performing Failovers in HACMP / cluster environment, monitoring servers

Configuration and administration of Fiber Adapter’s and handling SAN disks on AIX

Experience working on HMC, installing and configuring VIO Server, LPARs/DLPARs and subsequent maintenance and administration

Create /Installed/Configured Single Virtual I/O server with MPIO access to storage.

Created/Installed/Configured Dual Virtual I/O servers on p6-570 with SEA failover on p6-570.

Performed testing to verify failover and fallback of Dual VIO server on p6-570.

Configured volume groups and logical volumes, extended logical volumes for file system growth needs using Logical Volume Manager (LVM) commands.

Maintained availability, increased capacity & performance of production machines by upgrading their hardware (disks, CPU, memory, IO board, power cooling unit, mother board etc.) & firmware.

Security, users, groups’ administration and daily backup and restore operations, networking service, performance, and resource monitoring; Instrumental in company’s AIX operating system conversion from 5.3 to 6.1 from over 30 LPARs.

Anchor Blue, Inc., Corona, CA

Senior Systems Engineer, 7/2005 – 12/2010

Experience with NIM installation, setting up NIM servers and clients and defining various NIM resources like lpp_source, SPOT, mksysb, image.data, bosinst.data.

Configured lpp_source and SPOT in NIM server and installed AIX on NIM clients using NIM master server

Created and managed users, managed user and file system quotas, set up network printers and installed client server applications

Created raw volumes and file systems on AIX for Oracle databases, which will be used as raw data file by the Oracle databases

Administration and troubleshooting of HACMP clusters

Create standard LPAR, performing DLPAR operations to manage recourses between machines

Expertise in Logical Volume Management(LVM) and Disk Management

Configured volume groups and logical volumes, extended logical volumes for file system growth needs using Logical Volume Manager (LVM) commands

Performed administrative tasks such as System Startup/shutdown, Backup strategy, Printing, Documentation, User Management, Security, Network management

Maintained availability, increased capacity & performance of production machines by upgrading their hardware & firmware

Managing cron jobs, batch processing and job scheduling.

Installation and maintenance of various hardware and software and peripherals

Security, users and groups administration

System and backup management using mksysb and daily restore and backup operations

Performance management and tuning of AIX UNIX kernel

Other standard system administration tasks performed, such as system monitoring, performance usage, network support, and user support

Education

Bachelor of Science in Information Technology

University of Phoenix, Phoenix, AZ

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