Summary
Overview
Work History
Education
Skills
Custom
Certification
Timeline
Generic

Robert Gizynski

Lansdale,PA

Summary

Accomplished Sr Linux Systems Engineer with extensive experience at Lockheed Martin, specializing in Ansible automation and CI/CD pipelines. Proven track record in system hardening and network configuration, enhancing operational efficiency. Adept at leading teams and driving compliance initiatives, ensuring robust security measures across complex environments.

Overview

19
19
years of professional experience
1
1
Certification

Work History

Sr Linux Systems Engineer / DevOps

Stratosphere
09.2024 - 11.2024
  • Ansible development for Space division for Sierra Nevada Corporation. SNC on contract with Stratosphere to develop advanced spacecraft and satellite systems. Ansible scripts were targeting network components in SNC environment.
  • Ansible playbooks were created to get healthchecks on all opengear nodes attached to lighthouse network servers through API connection. A service now ticket was created for all nodes that were offline or disconnected through the service now api. These playbooks were created in AAP (Ansible Automation Platform) and run with a cron. All yaml scripts were created for SNC in compliance for network SOE.

Sr Linux Systems Engineer / DevOps / ISO engineer

AGI Ansys Government Initiatives (Frazer) Teksystems Inc
04.2024 - 06.2024
  • On contract for doing CMMC project. The company is getting ISO 9001 certified. It was my job to enter all linux systems in TrackIT for AGI contracts with the government for ISO compliance.
  • Processed all incoming Linux tickets in ServiceNow.
  • Completed documentation of new processes for the creation of SOPs.
  • Modified ansible code to bring up new Rocky 9 systems on the network.
  • Created Kubernetes containers for boomi production and staging servers.

Sr Linux Systems Engineer / DevSecOps / Software Engineer

Lockheed Martin Corporation (King of Prussia) Traincroft, Inc
05.2023 - 08.2023
  • Created Ansible scripts for Aircraft Media Gateway project for the United States Government. This was a project where all work was unclassified. The end result was to harden the OS for RHEL 7 and 8 Operating systems by applying all 450 STIGs (Government Security Technical Implementation Guide) for securing the AMG application which is deployed in government aircrafts for classified/secret military operations. We used git for all versioning control among the team.
  • Used Jenkins, Docker and Ansible for CI/CD.

Sr Oracle/Linux Systems Engineer/DevOps

Cigna (Remote) Open Systems Tech
11.2019 - 12.2022
  • Saved Cigna thousands of dollars by bypassing technical support to create an IBM Middleware Tivoli infrastructure with High Availability. This was a windows application applied on RHEL 8 to monitor all mainframe traffic. There were 8 RHEL 8.x servers. (2 for TEPS and 2 for HTEMS for High Availability).
  • Created new builds for RHEL 8 servers as needed.
  • Shell scripting in Bash to Automate shop for production environment. During the three years, I used Ansible scripting for automation using Ansible Tower. Trained all employees to use Ansible tower for all playbooks.
  • Syslog-ng 7.0.9 configuration for dev and production. Bash scripting to interface with Syslog-ng server.
  • Used Git and gitlab exclusively for versioning control.
  • Upgrades of Mimic, Indeni, Tivoli, CDR/CMR billing servers.
  • SevOne certification.
  • AWS Certified Practitioner.
  • Created two production servers to process all voice call logs for our call manager clusters. Updated bash script to interface with New call servers. Script interfaced with Splunk for all log activity.
  • Created IBM Middleware ESP infrastructure environment on windows and Linux platforms with Ansible. The application was installed, configured and started with Ansible 2.16.4 on over 3000+ servers.
  • Answered tickets in Jira, and Service Now.
  • Network Management in SevOne.
  • Created Confluence Documents for all work performed contributing to an SOE Document repository.

Lead Linux Systems Engineer / DevOps

Comcast (West Chester, PA) Cognizant Tech
West Chester, PA
06.2019 - 10.2019
  • Shell scripting bash and python to automate processes.
  • Ansible playbook configuration with Tower to automate production and pre-prod for developers; used GIT for playbook versioning. Trained developers to administer playbooks in Ansible Tower.
  • Lead technical advisor for Retail360 application. Installed all POS apps in pre-prod.
  • Monitor production – answered all tickets in JIRA and Service Now.
  • Closely monitor slack and Kibana for issues.
  • Configure Nagios Core for pre-prod and production. Create custom scripts for connectivity.
  • Updated Zabbix for new store registers as they are created.
  • Took AWS Certified Practitioner 2020 course. Hands-on LAB created EC2 instances for Redhat Enterprise 8.0 and Amazon linux using cloud watch for custom alarms. Used S3 buckets for data objects and Web site. Roles, EFS, RDS Aurora, DynamoDB, Route 53 (weighted: latency based: fail-over: and Geolocation Routing) VPC configuration with NAT and VPC Gateways, and Direct connect. Completed course for certification. Certified on December 28, 2019.

Sr Linux/Solaris Systems Engineer / DevOps

Sungard Availability Services, LLC (Philadelphia, PA) Cognizant Tech
Philadelphia, PA
01.2019 - 04.2019
  • Dev Ops Engineering in Ansible. Created playbooks to automate processes. Automation of Jenkins code deployment for developers. NetBackup, puppet client, custom facts, etc.
  • Configuration of NetBackup 8.1.
  • Shell scripting in bash for automation of processes.
  • Datacenter mapping with Device42.
  • Server monitoring with Nagios XI.
  • VMware 6.5 administration: Installed VCSA 6.5 with AD.
  • Created an Ansible script to install docker on all development servers.

Sr Linux Engineer / DevOps

Philadelphia School District (Philadelphia, PA) Philadelphia School District
Philadelphia, PA
02.2018 - 06.2018
  • Installed and configured Graylog 3 node cluster (free version of Splunk).
  • Installed from the ground up a VmWare 6.5 cluster with 2 ESXi hosts and one NAS NFS server with 9 T. also created an external PSC and a VCA. All VLANs in the lab cluster mirrored production for testing of upgrades and all other production configurations.
  • Created Python scripts to automate vendor traffic. Converted Perl scripts to Python 3.4 using MySQL.
  • Installed and configured an ELK cluster with 5 Elasticsearch nodes, using GROK configuration in Logstash.
  • Docker / docker compose creation for developers as well as maven, git, Ansible and Jenkins for CI/CD work.

Sr Linux/Oracle Engineer

DLL Financial Services (King of Prussia) Turnberry Solutions/Apex Systems
King of Prussia
11.2017 - 02.2018
  • Create script to install all Linux servers with sssd.
  • Installed sssd and samba on all samba rhel6 and rhel7 servers, removing Winbind.
  • Remove IPV6 on all servers.
  • Remove remote root login on all servers.
  • Install swatch for secure log file analysis (for audit purposes).
  • Disable all local accounts on Linux servers.
  • Answered all tickets in remedy as needed for the Linux team.

Sr Linux/HP-UX Engineer / Devops / Software Engineer

Wells Fargo Bank (Remote) Apex Systems
03.2017 - 11.2017
  • Python and PHP development: automating installation scripts for Wells Fargo CSIT department. Installations are on the following platforms.
  • Redhat Linux 80%
  • Windows server 15%
  • All other 5%
  • Installed software which has funding to all new servers. ~1000 new servers are built per month. I installed software and found ways to automate the process with python 3.6.1. I worked with a team of 25 engineers.

Sr Linux Engineer

Amerihealth Caritas (Philadelphia, PA) Amerihealth Caritas
Philadelphia, PA
02.2017 - 08.2015
  • Redhat Linux systems engineer managing two Data Centers. One in Philadelphia and the other DR site in Reading PA: Data Center consisted: 650 Redhat Linux 6.8 servers.
  • Red Hat Satellite 6 Administration Version 6.1 training.
  • Attended one-week Centrify training course. Centrify administration.
  • Configured kdump on all servers in both Data centers copying all core dumps to production and development file servers.
  • Configured CIFS for all application servers to interface with DFS.
  • Tuned Linux kernel for all production issues. (/etc/sysctl.conf)
  • Disabled softlookup and swappiness on all systems.
  • Optimize sysctl.conf kernel parameters.
  • Created and optimized two active/active production clusters on RHEL 6.8 creating striped volumes in LVM and configuration of Tuned and aggressive read ahead as well as configative of clvmd with the creation of GFS2 shared file system.
  • Extensive experience with all lvm volumes for all servers as needed.
  • Increased cluster volumes in VmWare while resizing in OS. Optimized disks on production Sybase servers.
  • Created templates VMs for production and non-production servers in both data centers in VmWare 5.5.
  • Compiled, installed, and configured Microsoft ODBC SQL 11 driver on RedHat Linux 6.8. (setup odbc.ini configuration file for use with all SQL databases).
  • Installed all built VMs in Orion for monitoring of estate. I also used Splunk for analytic and report generation.
  • Created sosreports and core dumps of crashed servers and uploaded to RedHat. Worked with Redhat Technical support to get a root cause of all issues. Remediation of all issues in production while adhering to our change management system for our entire estate.
  • Applied Ansible configuration management 2.2.0: created role for integration global sudo.
  • VmWare 5.5 Administration.
  • Check performance of ESX Hosts through vCenter: CPU, Network, Disk and Memory.
  • Add Roles to configuration.
  • Add Linux VMs to network. (Production Redhat ES 6.8 servers)
  • Allocating SAN space - Creating Datastores. (EMC Vnx5300 NAS/SAN)
  • Configure alerts in vCenter and alert emails sent when actions are triggered.
  • Created Linux templates.
  • Identified datastores for adding/removing/resizing disks.
  • Modified in-house sudo rpm for site implementation.
  • Built and configured 53 Sybase ASE 15.7 VMs for OLTP, 28 Oracle 12c VM’s and another 30 Mongo VMs for production and development database teams. Also built another 320 VMs for all other departments as needed.
  • Intense automation of estate with all projects approved in Changed Management system with bash/awk and python scripting.
  • Installed Oracle 12c and MySQL on production Virtual Machines.

Systems / Unix/Linux Staff Engineer

The Vanguard Group (Malvern, PA) The Judge Group
Malvern, PA
08.2014 - 08.2015
  • Unix systems administrator managing Northeast Philadelphia Data Center. PA: Data Center consisted: 1700 Servers: Solaris and RedHat Linux 6.4
  • Responsible for all RedHat ES 6.4 administration.
  • Monitor all Web Servers by analyzing all httpd logs as needed.
  • Worked with Siteminder as required by team.
  • Used Splunk for estate analysis and generation of reports.
  • Patching all RHEL servers and Oracle Solaris servers every week.
  • Monitor and complete all Unix tickets for Unix team.
  • Help Junior admins acquire UNIX skills to perform duties.
  • Omnibus Tivoli alerting system and monitor all alerts coming in to Unix team.
  • Monitor Web Sites for production. Administered website by answering all alerts in Tivoli and troubleshooting all alerts to keep apache web servers operational.
  • Perform all break fix and monitor all incoming calls to Unix Team.
  • Create all tickets with Redhat and Oracle for Unix servers as needed.
  • Provide support in the following areas: Sun Solaris and Red Hat Linux.
  • Troubleshoot, install, configure and maintain the UNIX midrange environment during business hours and off-hours during on-call.
  • Provide data protection, recovery and business continuity, test and validate disaster recovery and business continuity methods. Perform routine backup and recovery for data protection and integrity.
  • Monitor UNIX environments that consist of complex systems and equipment.
  • Perform high availability installation, support and monitoring, System data protection, backup and restore, AD authentication, user account management, disk storage management, hardware and OS maintenance.
  • Coordinate all hardware failures with vendors. Generating explore dumps in Solaris 10 and sosreports as well as core dumps in RHEL 6.8 as needed.

Systems Unix/Linux/Network Engineer

Motorola (Horsham, PA)
Horsham, PA
11.2012 - 08.2014
  • Unix systems administrator managing Horsham PA: Data Center. Sole Unix admin on site. We upgraded the data center and I was instrumental in :
  • Monitoring new installations of electrical power.
  • Installed and configured routers/switches
  • Installed new cabinets
  • Put all cables on top and removed all cables under floor for free air flow.
  • Decommissioned old Solaris servers , replaced with RHEL 6.4 on HP Blades.
  • Installed/Configured new IBM Tape management server and coordinated with Iron Mountain for tape retention policy.
  • Took care of all bare metal servers within data center.
  • Responsible for all RedHat ES 6.4 administration. Created VmWare templates for RedHat ES Linux VMs.
  • Racked and installed Oracle v490 and m3000 servers with Solaris 10.
  • Installed 10_Recommended patches. Configured server in NIS+ domain.
  • Racked and installed HP Blade c7000 used as a VmWare 5.1 server.
  • NIS+ administration. Managed users and hosts in gi.com domain.
  • IBM System Storage TS3310 Administration and Quantum Scalar i500 for Horsham Mountain. Responsible for all backups with two accounts.
  • Helped in the reconfiguration of data center. Retired all unused servers and consolidated all live servers to new racks. Rewired all servers and worked with networking.

Unix Solaris/NetApp Systems Administrator Level 2

Lockheed Martin Corporation (Newtown, PA) Sun Technologies
Newtown, PA
04.2012 - 11.2012
  • Unix systems administrator with Enterprise Business Services supporting Space Systems in Newtown and Valley Forge, Pa (4200 users). Responsible for two sites. Part of a three-man team.
  • Installed and configured VERITAS Netbackup 6.5 on Solaris 10 which I installed with the 10_Recommended patch cluster with an Oracle StorageTek SL500 L70 3 tape library for production use in Aerospace technologies Division, Valley Forge PA. Configured Netbackup master with all policies to backup all Unix clients. Installed all clients with Netbackup 6.5 client (Solaris and HP-UX Unix servers). Debugged all Netbackup client issues for correctness. Responsible for Netbackup in two sites (Valley Forge and Newtown).
  • Installed sudo 1.8.4p4 on all production servers and workstations in Newtown (configured for +1300 user). The /etc/sudoers file was pushed out to all hosts.
  • Installed lsof 4.8 on all Solaris and HP-UX servers in Aerospace Technologies Division in Newtown Pa. for Information Security to analyze all process activity for information security.
  • Installed the recommended patches per EVAN Nessus scanning every week on all Solaris Servers in Newtown and Valley Forge, PA. Worked with Information Security to aid in scanning servers throughout Space Systems for server consolidation in Sunnyvale, CA.
  • Converted servers/workstations in Newtown and Valley Forge to aide in the migration from NIS to the JEDI LDAP domain. All servers and workstations are to be migrated to the corporate JEDI LDAP domain.
  • Netapp y3050 filer administration. (Resizing of volumes and quotas, modifying group permissions and backup)
  • Answering to Remedy Ticketing Unix queue for Valley Forge and Newtown PA. Attended to all UNIX incidents in Remedy. Supported two sites and 4200 users.
  • Jumpstarted and installed Solaris 10 on servers on the JEDI LDAP domain for Space Systems. Debugged failing jumpstart server for production use. Worked with networking. Created SOI for Unix team to aide in jumpstart procedure.
  • Created SOI documentation for all work performed for UNIX Team members.
  • Installed Redhat ES 6.1 for JEDI LDAP domain.
  • Managed Flexlm license server for C/C++ software engineers.
  • Managed LDAP domain by changing all NTIS UIDs to LDAP corporate UIDs. Modified all files for users to avoid work interruption. All work done during working hours in Newtown, PA.
  • Installed and used Netapp FAS3240 filer. (Resizing of volumes and configuration of all disks for production use. Setup clustering for high availability and load balancing for both nodes. Upgraded OS to 8.1P1.
  • Installed system manager 2.0. Created aggregates, Volumes, and Qtrees. Converted all aggregates to 64-bit (including aggr0). Snapmirrored all volumes from old filers to new Netapp and installed in snapmirror.conf for continuous feed. Implemented and monitored new quota environment.
  • Debugged VAX 4500 production issues with users.
  • Configured all HP-UX and Solaris servers in Newtown and Valley Forge for the LAMS monitoring system.

Unix/SAN Administrator

Law School Admission Council (Newtown, PA)
Newtown, PA
07.2011 - 01.2012
  • HP EVA Storage Array 8100 Administration with HP Command View Monthly Storage Analysis for Capacity Planning of Storage Array.
  • Auto Port Aggregation on production systems for 99.999% uptime. Document was submitted for document repository for the UNIX team.
  • Responsible for VERITAS NetBackup 7.0.1 Administration on HP Storage Works MSL 6060 tape Library.
  • Responsible for HP Storage Essentials Report Generation and Policy Manager Alerts for EVA Storage Array.
  • HP-UX 11 v3 server administration on HP Integrity rx6600 servers.

Unix Engineer

at&t (Middletown, NJ)
Middletown, NJ
10.2010 - 05.2011
  • Installed and created an intranet RedHat ES 5.3 VmWare 4.1 client Kickstart server using DHCP, TFTP and PXE technology for booting and installing off the network. Server consisted of 32 and 64-bit Red Hat Enterprise 5.3 systems stored on Hitachi SAN AMS 2100.
  • VmWare 4.1 administration using vCenter.
  • Configure alerts in vCenter and alert emails sent when actions are triggered.
  • Added VM to boot through the network for PXE server installation.
  • Monitor VM’s through vCenter.
  • Cloning VM’s.
  • Installed and administered Nagios Core 3.2.3 on all Unix and Windows Systems in Middletown NJ on SNOC Security Development servers. Installed NRPE on all systems. Created user-defined Nagios plug-ins for monitoring developers processes in Unix security system SNOC network.
  • Worked with at&t Middletown security development group to administer all Unix systems with Solaris 9, 10 and RedHat ES 4.x and 5.3 (32 and 64-bit operating systems).
  • Created Twiki Documents for all work performed contributing to an SOP Document repository.
  • Created bash scripts as needed to maintain production of security servers.
  • Unix Engineer responsible for sun virtualization Solaris 10 zones administration.
  • Created and managed in-house yum repository for kickstart server.
  • Racked and installed PDU’s, switches, KVMs, and IBM system x3650’s.

Senior Linux Systems Administrator / Devops

Applied Bank (Glenn Mills, PA)
Glenn Mills, PA
04.2006 - 12.2009
  • VmWare 3.5 system administration.
  • Check performance of ESX Hosts through vCenter: CPU, Network, Disk and Memory.
  • Add Roles to configuration.
  • Add VMs to network. (Syslog-ng, ftp, and CVS servers)
  • Automate VM Shutdown/Startup.
  • Allocating SAN space - Creating Datastores. (Hitachi SAN AMS 2100)
  • Configure alerts in vCenter and alert emails sent when actions are triggered.
  • Created bash and awk scripts to facilitate and automate all UNIX processes via cron using authorized change controls approved by management. All scripts were documented in OWL Unix repository for team access and explanation.
  • Created centralized syslog-ng servers over SSH wrapper for east coast on RHEL 5.4 server. Servers were created in VmWare 3.5 as VMs in Florida and Pennsylvania data centers. All logs from all RedHat servers were ported to a centralized MySQL server database which was linked to a file server in PA. All logs were encrypted by SSH wrapper and was determined secure per security team. I configured Syslog-ng with heightened security for DMZ servers to accommodate for incoming invalid SSH attempts and email to security team.
  • Created load balanced FTP servers housing chrooted vendors for company FTP site on RHEL 5.4 servers. Servers were created in VmWare 3.5 as VMs in Florida and Pennsylvania data centers. Each node was attached to a centralized file server using encrypted NFS over SSH in Pennsylvania. I created scripts to facilitate FTP server management. Automation scripts were created to accommodate for certain high-profile company vendors and are still in use today.
  • Developed script to encompass all cron daily output information in single report for auditors and management. Through the use of these scripts all cron errors were rectified.
  • Created script to identify all vendors/users, on FTP site, that have been inactive for 180 days. Script accessed syslog-ng MySQL database for processing.
  • Created Bash scripts to help in the daily operations of the department.
  • Configured cfengine ( old version of puppet ) for DevOps, to incorporate all QA/UAT jboss ear file repository for testing in QA environment. Cfengine scripts were run through cron to automate processing.
  • Jboss 4.0.1 administration.
  • Submitted SOPs in department document repository for all projects.
  • Created VmWare 3.5 client CVS/Website on RHEL 5.4 VM server for all java developers.
  • Created kickstart clients on VmWare ESX server version 3.5 on Hitachi SAN on RHEL 5.4 servers. Submitted change controls for all work performed. Adhered to change control procedure for all production systems.
  • Created Perl script for time maintenance to keep internal time in sync with NTP time servers twice daily through cron. Script kept clients on time within one second throughout the day.
  • Hardened Redhat Linux 5 system.

Education

Bachelor of Science - Computer Science

Villanova University

Skills

  • Ansible automation
  • Linux administration
  • CI/CD pipelines
  • Network configuration
  • System hardening

Custom

  • Over 25 years experience in the production support in the Linux and Solaris Administration field, with extensive knowledge of design, deployment, scripting and maintenance of RHEL, Rocky and CentOS servers.
  • Over 8 years of DevOps, using Ansible and bash for CI/CD with exposure to multiple projects in python 3.4.
  • AWS Cloud Certified Practitioner and IBM SevOne Network Performance Management certification.

Certification

  • AWS certified practitioner 2019
  • IBM SevOne certification 2022

Timeline

Sr Linux Systems Engineer / DevOps

Stratosphere
09.2024 - 11.2024

Sr Linux Systems Engineer / DevOps / ISO engineer

AGI Ansys Government Initiatives (Frazer) Teksystems Inc
04.2024 - 06.2024

Sr Linux Systems Engineer / DevSecOps / Software Engineer

Lockheed Martin Corporation (King of Prussia) Traincroft, Inc
05.2023 - 08.2023

Sr Oracle/Linux Systems Engineer/DevOps

Cigna (Remote) Open Systems Tech
11.2019 - 12.2022

Lead Linux Systems Engineer / DevOps

Comcast (West Chester, PA) Cognizant Tech
06.2019 - 10.2019

Sr Linux/Solaris Systems Engineer / DevOps

Sungard Availability Services, LLC (Philadelphia, PA) Cognizant Tech
01.2019 - 04.2019

Sr Linux Engineer / DevOps

Philadelphia School District (Philadelphia, PA) Philadelphia School District
02.2018 - 06.2018

Sr Linux/Oracle Engineer

DLL Financial Services (King of Prussia) Turnberry Solutions/Apex Systems
11.2017 - 02.2018

Sr Linux/HP-UX Engineer / Devops / Software Engineer

Wells Fargo Bank (Remote) Apex Systems
03.2017 - 11.2017

Sr Linux Engineer

Amerihealth Caritas (Philadelphia, PA) Amerihealth Caritas
02.2017 - 08.2015

Systems / Unix/Linux Staff Engineer

The Vanguard Group (Malvern, PA) The Judge Group
08.2014 - 08.2015

Systems Unix/Linux/Network Engineer

Motorola (Horsham, PA)
11.2012 - 08.2014

Unix Solaris/NetApp Systems Administrator Level 2

Lockheed Martin Corporation (Newtown, PA) Sun Technologies
04.2012 - 11.2012

Unix/SAN Administrator

Law School Admission Council (Newtown, PA)
07.2011 - 01.2012

Unix Engineer

at&t (Middletown, NJ)
10.2010 - 05.2011

Senior Linux Systems Administrator / Devops

Applied Bank (Glenn Mills, PA)
04.2006 - 12.2009

Bachelor of Science - Computer Science

Villanova University

Similar Profiles

CREATE PROFILE
Robert Gizynski