Leo Stephen Kennedy
Philippi,WV
Work Preference
Summary
A Senior Linux Administrator with 25+ years of experience delivering enterprise infrastructure solutions across AIX, Linux, Unix, and Windows environments. Expert in managing large-scale server ecosystems, automating operational processes, OS interoperability, and modernizing legacy systems into reliable, scalable platforms. Expertise in scripted solutions using Bash, Python, Ansible, BladeLogic, and AI. Proven ability to drive efficiency, reduce operational overhead, and maintain high availability in mission-critical environments
Overview
1
1
Certification
44
44
years of professional experience
Work History
Senior Linux Administrator Lead
Wipro Technologies
Nashville, TN
12.2019 - 09.2026
- Administered a fleet of over 3,500 servers spanning AIX, Linux, and other Unix environments in a ServiceNow environment
- Orchestrated automation, patching, and compliance initiatives to ensure system integrity and adherence to standards
- Created documentation for the Unix Team consisting of our key policies, SOP, application installation, and OS configuration procedures, etc. Created a specialized NoteBook in our SharePoint site where it could be easily accessed by the entire team, both onshore and offshore
- Mentored junior team members on difficult procedures and providing a better quality of service through customer feedback and good communication
- Developed scripts for automation and deployment using BladeLogic, enforcing configurations and optimizing system performance
- Developed scripts to automate and produce critical reporting on SOC, SOX, HIPAA Compliance, CMDB validation, hardware and software inventory, key metrics, and on-demand ad-hoc reporting for senior management
- Maintained high availability and compliance across all mission-critical systems
- Remote
Senior Linux Administrator
Lockheed Martin
Littleton, CO
12.2018 - 12.2019
- Supported mission-critical Linux/Unix environments, including legacy systems deployed to Lockheed's deep space assets
- Automated deployments using kickstart and custom scripted routines pulling from networked storage
- Managed Apache, Tomcat, MySQL, WordPress, Redfish, and various monitoring platforms
- Provided technical support/incident resolution via ServiceNow ticketing
Senior System Administrator / Analyst
MetLife
Clarks Summit, PA
02.2018 - 08.2018
- Automated ServiceNow-driven operations across AIX, Linux, and Windows environments
- Reduced hands-on workload and improved efficiency by creating scripted solutions to complex manual processes
- Automated software deployments utilizing the BladeLogic TSSA automation platform
Senior Linux Administrator
Crayola LLC
Easton, PA
01.1994 - 08.2017
- Oversaw all of Crayola's server platforms, encompassing AIX, Linux, Novell Netware, and Windows operating systems
- Installed and maintained a server-centric Novell Netware 4.1/ Netware Directory Services (NDS) server farm consisting of file, print, and NLM-based Oracle DBs and other NLM-based services
- As a supervisor, I successfully led a team of three through a critical migration from Novell Netware NDS to Windows 2000/2003 in a single domain forest with an AD-integrated DNS and DHCP configuration
- In early 2006 I introduced SLES 9.3 Linux as a new platform that would provide a stable, high performance, and cost effective alternative to other proprietary OSs, saving tens of thousands of dollars in yearly licensing fees and maintenance costs
- Administered other technology platforms in my team's responsibility matrix, that included Citrix Metaframe, Cisco IronPort (anti-spam / proxy), Checkpoint Firewall, Lotus Domino mail and a supporting role for the servers housing a wide variety of Domino apps
- Installed and managed our virtual infrastructure on VMware/ESXi v4.x and later migrating to 5.x with 250+ Linux and Windows guests in a 8 server cluster and a tiered storage backing using IBM DS-4800 and Hitachi 9300 SANs
- Directed a team of associate engineers and developers in implementing applications for Business Intelligence (BI), Electronic Data Interchange (EDI), document management, and managed file transfer on Linux
- Implemented and administered an Oracle VM (OVM) environment that was the backing for the Oracle BI implementation.
- Engineered and deployed a comprehensive Nagios monitoring solution on Linux, creating/scripting custom monitors for devices such as AC units, PDUs, a carousel tape library, and many business process flows, and customized event handlers
- Administered and configured SAP PI business processes during and after a two year ERP systems migration to SAP v7.x
- Administered Tivoli Workload Scheduler 8.4 (TWS) and IBM Workload Scheduler 9.3 (IWS)
System Administrator / Consultant
Private Consulting
Wilmington, DE
01.1991 - 12.1992
- Provided technology consultation to senior executives, professionals that included CPAs/Dentists/Educators/Interior Decorators/Real-Estate Brokers/etc.
- Typical involvement: hardware/software purchases, installation & configuration, and customized instruction & training to clients
- Counsel for MIS-related strategic direction and industry trends
- Provided word processing/spreadsheet/database/CRM on-site training for WordPerfect/Lotus-123/DBaseII/ACT
Systems Engineer
DuPont Merck Pharmaceuticals
Wilmington, DE
01.1987 - 12.1990
- Administered various technology platforms within the disparate functional areas of corporate and scientific departments
- Administered DEC VAX and associated print services
- Administered Apple Macintosh workstations (SE-20/SE-30/II-FX/etc.)
- Administered SCO on HP and Xenix on Altos platforms
- Installed and maintained proprietary software packages: molecular modeling, scientific instrumentation software, and SPSS
Hospital Corpsman
U.S. Navy
Philadelphia, PA
05.1982 - 05.1986
- E.M.T., E.R./Acute Care at Naval Hospital Philadelphia, PA
- Marine Corpsman (8404) Camp Lejeune, NC
- Early exposure to MIS operations maintaining requisite medical and dental allowance lists on an IBM 360 platform utilizing card-punch input working in medical logistics and administration 2nd Medical Logistics, 2nd FSSG
- Use and administration of Zenith computer systems running CP/M-85 OS / Condor FMS I/O with a software stack of WordStar, Visi-Calc, Lotus 1-2-3, etc.
Education
Diploma - Electronics Technology
Cleveland Institute of Electronics
01.1990
Undergraduate - Computer Science
Coastal Carolina Community College
03.1987
Skills
- AIX 53, AIX 61, AIX 73, Ansible, Apache, Arch Linux, Axway Synchrony Gateway
- AS2/EDI/MFT, Bash, BladeLogic TSSA, C, CentOS 5, 6, 7, 8, Chef, CLFS, CloneZilla
- CommVault, DHCP, DNS, Docker, expect, Github, glances, HTML, IBM Lotus Domino, IBM
- Workload Scheduler (TWS), Iptables, IronPort Anti-Spam, ksh93, KVM/QEMU, LAMP/LEMP
- Stacks, LDAP, Isof, Itrace, MariaDB, MySQL, Nagios, NC/NCat, NFS, Nginx, NMAP, NMN
- NTP, Nutanix, Oracle OEL 6, 7, 8, 9, Oracle VM/OVM, Perl, PHP, Podman, Proxy, PureFTPD
- Python, RHEL 5, 6, 7, 8, 9, RSH, SCP, SFTP, Shell, SLES 9x - 15x, SSH, strace, sysstat
- TCPDump, TCP/IP, Telnet, ["Top, VMware/Vsphere/ESXi, vsFTPd, Windows Server 2008
- Windows Server 2012, Windows Server 2019, WireShark/tshark, WMI, XDMP
Certification
Foundations of Prompt Engineering Amazon Web Services May 2026, Intro to Generative AI Google Sep 2025, Attention Mechanism Google Sep 2025, Encoder-Decoder Architecture Google Sep 2025, Transformer Models and BERT Model Google Sep 2025, Create Image Captioning Models Google Sep 2025, Introduction to Vertex AI Studio Google Sep 2025, LPIC Certification Linux Professional Institute Jul 2006, Configuration and Administration Cisco IronPort May 2005, DevOps Fundamentals Alison Jul 2026
Timeline
Senior Linux Administrator Lead
Wipro Technologies
12.2019 - 09.2026
Senior Linux Administrator
Lockheed Martin
12.2018 - 12.2019
Senior System Administrator / Analyst
MetLife
02.2018 - 08.2018
Senior Linux Administrator
Crayola LLC
01.1994 - 08.2017
System Administrator / Consultant
Private Consulting
01.1991 - 12.1992
Systems Engineer
DuPont Merck Pharmaceuticals
01.1987 - 12.1990
Hospital Corpsman
U.S. Navy
05.1982 - 05.1986
Undergraduate - Computer Science
Coastal Carolina Community College
Diploma - Electronics Technology
Cleveland Institute of Electronics