Roger K. Hill

8612 West Main St., Apt #6 · Belleville, IL 62223 · 618-698-6055 ·

roger.unixman@yahoo.com

Veteran Senior Systems/Application Linux Engineer and Senior Consultant with twenty seven years of multi-faceted experience with

System Architect / System Engineer / Application Engineer

Professional Summary

application of information and networking technology, emphasizing deployment and support across complex hybrid enterprise level

ecosystems. Experienced, strong and proficient coder employing PHP, Perl, C, UNIX Shell Scripts, CGI Scripts, Python, JavaScript, SQL,

and HTML technologies. Skilled Linux design engineer, architecting the automation creation of custom spec files and compiling from

source to finished professional RPM builds. Roger has maintained, upgraded and administered multiple UNIX systems including SUN

Solaris, Red Hat Linux, CentOS, AIX, HP-UX, and Windows Server 200X. Highly adept in installing, building, configuring, troubleshooting,

upgrading, maintaining, and administering UNIX and Windows servers. Strong network infrastructure and Linux kernel knowledge allows

him the flexibility required to support all aspects of the many different types of systems. Strong team leader, excellent mentor and

trainer, accomplished tech author.

Operating Systems:

Hardware :

Red Hat ES/AS Linux 4.6/5.x/6.x, CentOS 5/6, Solaris Sun 2.6/10.0, SCO UNIX 2.1/7.1.3, HP-UX 10.20,

AIX 4.0/5.3L, DOS 6.22, Win 9x, Windows XP, Win NT 4.0, Windows Server 2000, Windows Server 2003,

Vmware VIH, Vmware ESX Server, F5 Big IP Load Balancers, Cisco PIX

Technical Experience

Professional Summary

IBM e-Series Servers, Dell PowerEDGE 2650 & 6650’s, Intel x86 platforms, IBM RS6000, Sun Sparc Ultra’s,

Sun E6500, E5500, E3000, E10k, E450, HP ProLiant 360, HP 380, HP SL4540

Computer Languages: LISP, Visual Basic, JavaScript, Java, C, HTML, Perl, SQL, CGI Scripts, UNIX shell scripts, Python

Software

UNIX

Solaris Zones

HP Openview

syslog-ng

ksh scripting

Solstice Disk Suite

Veritas Volume Manager

Veritas NetBackup

LDAP

AWK & SED

VI

SNMP

GNOME

KDE & Sun CDE

SMIT

crontab

Linux

nfs4

tripwire

rootkitcheck

bash scripting

apache http server

satellite

snare

samba

openssh

LVM

sendmail

qmail

postfix

squid(proxy config)

tcpdump

Database & Other

Oracle RAC 10g

Informix

IBM DB2

MySQL 5.5

PostgreSQL 8.3

Wireshark

OCFS & OCFS2

HPSA (Opsware)

HPOO (Orchestrator)

Nagios

XML

AJAX

ZFS

IBM Websphere 6.1

IBM HTTP Server

Century Link Technology Solutions (formerly Savvis Inc.)

Professional Experience

Professional Summary

Open source

Perl 5.0.6

PHP 4 & PHP 5

Red Hat Jboss

LAMP Solutions

Nagios

Putty

MediaWIKI

Apache Tomcat

Splunk

Chef

Puppet

Syslog-ng

Confluence

OpenOffice

Big Data

Apache Hadoop HDFS

Cloudera CDH (4.8 & 5.0)

Hortonworks HDP (1.9)

MapR (M5 & M7)

Pivotal

Pig

Hive

Spark

Impala

Sqoop

Flume

Oozie

Zookeeper

Hbase

Cassandra

April 2014 – Present

Senior UNIX Application Architect

Responsibilities:

  · Engineering lead for Big Data group and architect for Big Data implementation for ‘Hadoop-As-A-Service’ Big Data managed

software offering. Design and implement reference architecture for Big Data infrastructure, capacity planning, network topology

and design around Hadoop cluster layouts. Perform extensive testing and benchmarking on Hadoop ISV’s such as Hortonworks,

MapR, Cloudera, and Pivotal. Created and built ‘hadoop-toolkit’ generic big data package for performance tuning, monitoring

automation, and quality assurance tools for any Hadoop cluster.

  · Direct customers with their POC (Proof of Concept) Hadoop clusters, working with sqoop and flume for data ingestion, Kerberos

configuration, research and develop various ‘use cases’, aid in the use and operation of BI Tools, data analytics and or integration

platform software such as TalenD, Datameer, Pentaho, Tableau, Microstrategy, etc.

  · Utilize puppet automation software; configure puppet masters and clients with custom puppet modules and classes for

infrastructure configuration centralization, management and server rules enforcement. Designed and created the kickstart image

for replication and automation of the installation and configuration of Hadoop cluster nodes.

  · Architect for multiple SaaS offerings, Apache HTTP Server, PHP, Tomcat, Jboss, MySQL, PostgreSQL, Repliweb and Hadoop HDFS.

Recent work with Hadoop has been automation of installation and configuration of multi-node clusters, automation of the HDFS

daemons and the Map Reduce daemons, NameNode, DataNode, JobTracker, and TaskTracker components. Construct basic python

scripts for manipulation and monitoring of Map Reduce data.

Environment: Sun Solaris 10, Red Hat Enterprise Linux AS 5.8/6.3 , VMware Server, and ESX 3.5 Server, Windows

Server 2003r2, Apache 2.4, MySQL 5.5.18, PHP 5.4, Jboss 6.1, Tomcat 7.0, Java SE Development Kit

7u45, Hadoop 2.3.0r

Roger K. Hill - Page 1 of 4

8612 West Main St., Apt #6 · Belleville, IL 62223 · 618-698-6055 ·

Roger K. Hill

DISYS

(continued)

Senior Consultant

Responsibilities:

  · Create roadmap and timeline to architect solution and capacity planning for 10 email server migration from FreeBSD UNIX

sendmail/popper environment to RHEL 6 x86_64 sendmail/dovecot environment with enhanced security, 1600% enhanced

performance, and improved mail account provisioning process. Project completed in less than 6 weeks, with 0 loss of email

messages in a 150,000 user environment with high volume email traffic. Build and install chef automation server, configure

cookbooks, etc. for centralized management and container configuration for role and environment designation.

roger.unixman@yahoo.com

Dec 2013 – Apr 2014

  · Completed environmental assessment and study, lab environment build-out and production server clones, professional reports and

statement of work documentation. Work onsite with client personnel and engineers, setup kickstart environment, RAID

configuration, install RHEL6 Operating system, and install and configure mail infra-structure.

  · Custom bash and perl scripts written for data collection, crontabs, iptables rules, traffic analysis, maintenance automation, and

design and deliver migration fallout issue fix toolset.

  · Provided training on RHEL System, post migration support and GAP analysis, provided and built mail environmental future plan and

strategy.

  · Big data environmental assessment and analysis for large clients, recommend solutions, provide options and paths for future

strategy. BI tool and integration platform recommendation in formal presentation to customer management. Build out 10 node

Cloudera cluster for customer POC, execute mapreduce jobs, and assist with management duties.

Environment: FreeBSD 5.5, Dell PowerEDGE servers, CISCO routers, Barracuda Mail Filtering Devices, Red hat

Enterprise Linux 6.5 (x86_64), Cloudera CDH 4.1, Datameer, Tableau, Mulesoft ESB, TalenD, SFDC,

Box.net, Sendmail, Dovecot, PieceTracker, MS Dynamics AX, VMware

HP

Senior Consultant (Contractor)

Responsibilities:

  · Create documentation for HPSA Satellite server build-outs; gather project information requirements, installation and configuration

of RHEL6 x86_64 operating system hardened image. Installation and configuration of HP satellite software. Generate network

diagrams and documentation for HP satellite server connectivity into the HP core mesh. Network troubleshooting and debugging as

required.

Sept 2013 – Jan 2014

  · Custom bash script development to automate server manual build-out processes, reduced server build time from 2-3 months to 34

days, eliminated human error input, and reduced data input duplication, and improved build accuracy.

  · Provided training on RHEL System, mentor junior team members in Linux system administration fundamentals and advanced

concepts and configurations.

Environment: MS Office, Dell PowerEDGE servers, Red hat Enterprise Linux 5.5 & 6.5 (x86_64), VMware, Bash

shell scripting, Bourne shell scripting, Python scripting, HPSA, HPOO

IBM

Senior Engineer (Contractor)

Responsibilities:

  · Created timeline and project workload projection, and schedule for 3,600 server migration. Implement capacity planning and

environment hardening, network architectural design, and expansion. Installation of Solaris 10 on Sun SPARC T-2000 servers,

installation and configuration of LDOM’s Solaris zones, LDAP clients, DNS, jumpstart, and other Solaris infra-structure.

July 2013 – Sept 2013

  · Migrate customer UNIX environment from UNIX/Apache/MySQL old source to RHEL6/Apache/Oracle target environment, designed

and documented re-usable maintenance flexible procedures and processes for overall scope and length of project.

Environment: Sun SPARC T-2000 Servers, RHEL6 x86_86, Bash Shell scripting, Apache HTTP 2.2 Web Server,

MySQL Clusters, PHP 2.4, Oracle RAC

Savvis Inc.

April 2009 – July 2013

Senior UNIX Application Engineer

Responsibilities:

  · Team lead for the Tomcat, Jboss, Apache HTTP Server, MySQL Server, and PHP product lines. Conduct extensive research, set

standards, researched and develop best practices, tomcat suite of management tools, for installs, deployment methods, and

automation on a large scale for Savvis standard cloud platforms. Building RPM’s for the Savvis Tomcat HPSA Opsware Policies,

creating software toolkits, and advanced customized tools via perl, and bash shell scripts.

  · Perform extensive benchmarking of Apache Hadoop clusters on various hardware platforms. Analyze and evaluate various Apache

Hadoop software vendors for best performance. Build out small 7 and 10 node Cloudera clusters for customer POCs as needed.

  · Provide indirect support and assistant to DevOps group by executing application bug testing in lab, security vulnerability

penetration testing for various applications and customers to resolve and troubleshoot critical issues as required.

Environment: Sun Solaris 10, Red Hat Enterprise Linux AS 4.7/5.3 , VMware Server, and ESX 3.5 Server, Windows

Server 2003r2, Windows XP, Apache 2.2, MySQL 5.0.45, PHP 5.3.6, Jboss 5.1, Tomcat 6.0, Java SE

Development Kit 6u18, Hadoop 1.0.3r

Savvis Inc.

April 2006 – April 2009

Senior UNIX/Linux System Engineer Project Team Lead

Responsibilities:

  · Systems engineering team lead on 100 million dollar, 500 websites migration project for key corporate customer. Charged with

initial setup, system & network configuration, kernel tuning, rpm management, DNS server/client and sendmail setup, basic

system configuration, security configuration & policies, user account management, setup of ssh, sftp, snmp trap config, and

quality assurance of some 87 RHEL , AS 3.0 & 4.0 servers, and 22 Windows 2003 Servers, initial work accomplished and

concluded for all servers within 19 days.

Roger K. Hill - Page 2 of 4

8612 West Main St., Apt #6 · Belleville, IL 62223 · 618-698-6055 ·

Roger K. Hill

Savvis Inc. ( continued )

(continued)

Senior UNIX/Linux System Engineer Project Team Lead

Responsibilities:

  · Installation of Websphere 6.0.2, Oracle 10g ,(Oracle RAC servers), IHS , Wily Enterprise Manager, Wily Agent, Fortress, SOA

Management software, with client observation, and parameter specifics given via webex and teleconference. Principal engineer,

for troubleshooting, technical assistance, and goto Linux person during multi-server installs/deployments. Undertaking included

webex installs with client, for durations of 3-6 hours or more, under high pressure deadlines, and situations where remaining

professional and technically adroit was especially vital and essential to company representation.

roger.unixman@yahoo.com

April 2006 – April 2009

  · Lead engineer for custom built Web Content Management System tool, synctest, which allows multiple development groups to

synchronize static content, as well as websphere ear files, performs filechecking, website archive rollback features, and other

functions. This highly useful and composite tool consisted of more than 52 bash shell scripts, inter-working, under a java driven

front end, with websphere’s underlying architecture, and allowed for rapid deployment of new websites, and content updates.

  · Hardware configurations and troubleshooting for Linux and Windows 2003 servers on egenera bladeframe, and standalone

servers. Windows tasks included installation of applications, configuration of services, user and group admin, system security,

disk management, netbackup configuration, device management, system resource allocation. Some administration of IIS , and

troubleshooting of Windows based websites .

  · Base installation and configuration of IBM p650 & p570 series AIX 5.3 servers, configured and managed network, services, user

and group setup, security, lvm and disk management, system monitoring and performance tuning. Installed and configured DB2

Universal Database v9.1 , DB2 FixPaks and Information Management Tools for DB2.

Environment: Sun Solaris 2.6/8.0/9.0/10.0, Red Hat Enterprise Linux AS 3.0/4.0 , Windows Server 2003,

Windows XP, Apache 1.3, IBM HTTP Server(I H S), IBM Websphere 6.0.2, Samba 3.0, NFSv4,

Wily Enterprise Manager, SOA Gateway, Oracle 10g RAC, sendmail, DNS, Big IP F5, Veritas

NetBackup, eGenera Bladeframe, AIX 5.3L

AT & T

Senior UNIX Consultant / Staff Manager (AT&T Server Operation Event Manager – Tier 2 Support)

Responsibilities:

  · Responsible as part of tier 2 level support team and tasked with remote monitoring and initial analysis of critical alarming for

software & hardware matters for 1100 various Solaris and Linux servers across the country through a Remedy ticketing system

implementing remote fault management. Troubleshoot critical system, network and application failures, identify and prioritize SLA

outages, restoration of services and escalation of issues to AT&T Technical Development team with detailed conclusions.

April 2004 – April 2006

  · Routinely perform “System Maintenance Operation Procedures” for all manner of SUN UNIX business class servers and

applications. Delicate and precise work was always on a strict and critical timeline, work crucial to core business, and AT&T’s

guarantee of 99.999% network availability. Developed shell scripts to automate work and provide instant feedback, verify data

integrity, and if need be to successfully back-out work procedure, with least impact to services.

  · Initial system analysis and software package checks. System program execution and process que monitoring on SUN Servers,

CPU utilization monitoring, performance tuning and application analysis for predictive system bottlenecks. Tier 2 support to

diagnose and document network response, desktop PC issues, and server troubleshooting. Check and maintain server load

balancing for all Solaris and Linux production servers. Configured Domain Name Service (DNS) , Network File Service (NFS),

Apache Web Server, LDAP and Netscape Web Servers.

  · Multiple platform support including backup and recovery strategies and implementation with environment configuration and

system software support utilizing Veritas Netbackup, Veritas Cluster Services, and Veritas Volume Manager for disk management.

  · Promoted to shift lead in 12 months, duties included overseeing group of 5 to 6 event managers’ daily assignments, and assisting

and troubleshooting where ever necessary. Organizing, and directing assignments for daily and long term projects, creating the

monthly schedule, timely reports for outages, degradations, and SLA events to AT&T management with outage metrics presented

in a timely and concise fashion.

Environment:

Sun Solaris 2.6/7.0/8.0/9.0, Red Hat Linux 6.0/7.0/8.0, Apache, Samba, DNS, NFS, NIS, SAN,

Maillenium 2000, Sun Mgmt Console, Veritas Volume Manager, Veritas Netbackup, Veritas

Cluster Services, CISCO & FOUNDRY routers/switches, Sun StorEDGE D1000/A1000, A5x00

The May Company

Programmer/Analyst Level 4

Responsibilities:

  · Proficient UNIX/Linux system Integrator and developer, combing both software and hardware components into specialized

systems in a heterogeneous network environment. Expert analytical skills troubleshooting UNIX system administration, VRU, IVR,

CMS, ASAI, & Conversant Server and application development and programming maintenance and design, troubleshooting and

resolving application problems in a timely and professional manner.

April 2000 – April 2004

  · Team lead analyst for credit center call-share project. Project coordinating with divisional telecom managers and technicians.

Project included developing VRU code and dialogic telephony interfaces with a strong level of expertise in C programming,

utilizing many C standard and custom libraries, with one application typically consisting of approximately 10,000 lines of code.

Developing multiple interfaces and communications software on UNIX platforms. Project allowed company to reduce labor costs

by over 2 million dollars per year, by merging two physical call centers into one logical call center.

  · Maintained, troubleshot, upgraded, and repaired 470 various UNIX servers as part of the Call Center Support, resulting in 27%

less downtime in 4 credit centers and 3 collection centers, increasing credit revenues. Responsible for rebuilding a downed UNIX

or Linux server anywhere in the continental United States in less than 24 hrs.

  · Trained 4 junior analysts in Unix System Administration fundamentals. Developed “Level 3 Interactive Web Troubleshooting

guide” utilizing perl, CGI scripts, and JavaScript through IBM Websphere RAD, to allow non system admins to perform basic

diagnostics on telecomm systems. Reduced trouble tickets by 37%.

Roger K. Hill - Page 3 of 4

8612 West Main St., Apt #6 · Belleville, IL 62223 · 618-698-6055 ·

The May Company ( continued )

Roger K. Hill

(continued)

Programmer/Analyst Level 4

Responsibilities:

  · System lead analyst for ISS (In Store Server) which consisted of merging 6 or more unlike systems on older Intel PC servers into

one IBM enterprise level server running RHEL 9.0, assisted with code porting to Linux, and ensured all applications met May’s

stringent data-processing standards and rules. Configured NFS, Samba, CUPS, Apache Webserver, FTP and GUI applications.

roger.unixman@yahoo.com

April 2000 – April 2004

  · Maintained and troubleshot all Customer Information Center systems and servers. Call center infrastructure, consisted of older

legacy applications written in a mixture of QBASIC, DOS BATCH, ASSEMBLER, and C for DOS. Successful migration of server code

from DOS 6.22 Servers to Windows Server 2000 Cluster without causing any downtime to more than 170 users in a heavy

production environment, project results yielded faster server response, increased call load capacity by 12%.

Environment:

JavaScript, C, HTML, Perl, UNIX Shell Scripts, Apache Web Server, TCP/IP, Ethernet, WAN,

SCO UNIX, RedHat Enterprise Linux, Windows 98, Windows 2000, Samba, Solaris 8.0,

AIX/RS6000

Sverdrup, Inc.

Systems Manager/Web Designer

Responsibilities:

  · Performed basic HP-UX system administration, setup ftp jobs, cronjobs and worked with all UNIX system issues.

  · Designed and integrated VB 5.0 applications with custom LISP routines, and built custom toolbars. Performed company website

layout, editing, and web menu design utilizing java applets , Java AWT, HMTL and perl. Projects came in consistently on time and

under budget allowing a promotion after 6 months to “Systems Manager”.

June 1997 – April 2000

  · Developed new company AutoCADr14, Microstation95 client/server menu systems that provided global project standards and

easier setup of projects resulting in increased design productivity for 28 end users in 2 departments and various clients.

Environment:

Visual Basic 5.0, Visual J++, LISP, Windows 95, Windows98 SE, HP 9000, SAN

David Mason and Associates

Network Administrator/CAD Design Technician

Responsibilities

  · Performed basic UNIX system administration and maintenance duties for the Solaris 2.6 UNIX engineering department file server.

Responsible and timely system maintenance resulted in crucial data always available in event of disasters. Supported the

programming needs and wants of nearly 60 technicians in 3 departments.

February 1993 – May 1997

  · Developed new storm sewer design rapid application development tool that finished engineering project designs according to

client’s strict technical standards without error, in 16% of the normal time to perform designs manually or otherwise.

Environment:

Booker Associates, Inc.

DOS, Windows95, Solaris 2.6, Solaris Disk Suite, Veritas Volume Manager, Sun E220R, IBM PC

Compatibles, Visual Basic 4.0, QBasic, LISP

LAN Administrator/CAD Systems Developer III

Responsibilities:

  · Responsible for all custom CAD software development and ensured clients CAD standards were strictly adhered to, and quality

was excellent. Routine quality and timely work lead to 3 promotions in 3 years.

  · Upgrade of more than 100 nodes from DOS workstation to Windows 3.11 . Write DOS batch script and QBASIC program to

automate common system maintenance tasks for desktops, as well as LAN servers in 5 departments.

Environment:

DOS, AutoLISP, AutoSCRIPT, GDS 1.9, QBASIC, Win 3.11, ANSI C

Education

A.A.S., Computer Information Systems,

B.S., Computer Science,

Certificate of Proficiency in Visual Basic,

Chancellor’s Degree in Linux System Admin,

Professional Summary

Belleville Area College,

Southern Illinois University,

South Western Illinois College,

University Missouri St. Louis,

Belleville, Illinois

Edwardsville, Illinois

Belleville, Illinois

St. Louis, Missouri

  · Cloudera Certified Administrator for Apache Hadoop (CCAH)

  · CompTIA A+ Professional

  · CompTIA Network+ Professional

  · CompTIA Linux+ Professional

  · LPIC Level 2 - Certified Professional

  · Red Hat Certified Engineer(RHCE – RHEL6)

  · Red Hat Certified System Administrator (RHCSA – RHEL6)

Professional Certifications and Organizations

Professional Summary

1988

1999

2000

2004

January 1989 – February 1993

  · Cloudera Certified Specialist in Apache HBase (CCSHB)

  · SCO Certified UNIX System Administrator (SCO CUSA)

  · SUN Certified System Administrator (SCSA - Solaris 8)

  · SUN Certified Network Administrator (SCNA - Solaris 8)

  · SUN Certified System Administrator (SCSA - Solaris 10)

  · ITIL Foundation Certificate

  · Professional Communications Society (IEEE)

Professional Publications

“Getting started with SSH security and configuration” A hands-on guide by Roger Hill

http://www.ibm.com/developerworks/aix/library/au-sshsecurity/index.html

“Bash scripting for beginning system administrators” A hands-on approach by Roger Hill

http://www.ibm.com/developerworks/aix/library/au-getstartedbash/index.html

Roger K. Hill - Page 4 of 4