Resourceful System Administrator consistently responds to wide range of technical challenges with focused and creative approach. Highly effective at problem solving and decision making. 25 Years of progressive IT experience.
Overview
21
21
years of professional experience
1
1
Certification
Work History
Lead System Administrator
Peraton
05.2017 - Current
Perform daily monitoring and administration of web applications servers using Oracle WebLogic running on Linux Red Hat on over 90 servers running within different network infrastructures
Provide advice and assistance to customers to troubleshoot complex problems; and provide support that minimizes interruptions in customers' ability to carry out critical business activities
Serves as point-of-contact with vendors on IT services installations, movement, maintenance, and acceptance testing of IT services
Manage Application Sustainment and Operations Support including working with the team to maintain Health & Maintenance for Application and Interfaces
Collaborated with team members to develop comprehensive project plans for system upgrades, migrations, and installations, resulting in successful project completion within deadlines.
Oversee day-to-day responsibility including monitoring and reporting on activities related to system operation including task allocation and progress, deadlines, trade-offs, and resolve technical/operations needs
Lead, coach, and advise team members with competing priorities, performance challenges, as well as support surges and ensure all deliverables are highest quality
Assisted with cyber hardening, Security Technical Implementation Guides (STIGs), and other security activities as part of effort too obtained Authority to Operate (ATO)
Wrote and implemented bash scripts for monitoring of application servers
Provide after hour support for Operating System patching, database patching and applied Oracle WebLogic and Java patch's and other system related updates
Generated first Systems Administrator Guide, along with multiple Standard Operating Procedures (SOP)
System Administrator
General Dynamics
12.2016 - 05.2017
Manage functionality and efficiency of physical and virtual servers running Solaris 11 operating systems
Perform daily monitoring and response for UNIX servers to include file system alerts, resource management, system faults and crashes
Perform local system scans to identify and remediate server security in order to remain in compliance with Security Technical Implementation Guides (STIGs)
Participated and ensured security audit success in for Command Cyber Operational Readiness Inspection (CCORI).
Perform server upgrades and migrations with minimal operational impact as required by organizational standards
Work closely with Database Administrators and Software Developers to troubleshoot and resolve production outages for databases and web applications
Investigate, test, and apply system patches and updates as required
Generated and maintain detailed system infrastructure documentation, Standard Operating Procedures (SOPs), and System Security Plan (SSPs)
Information Technology Specialist
NAVSEA
06.2016 - 12.2016
Served as the Software Configuration Management Lead
Provide technical leadership for all Software CM work and contractor oversight/liaison
Provide oversight of the software/physical configuration items
Coordinated with software systems leads
Responsible for the Creation and Tracking of Engineer Change Proposal
Provide direction to support team member's assigned responsibilities.
System Administrator/Site Representative
CACI
01.2015 - 06.2016
Maintain Sun servers running Solaris 10, to include performing daily systems monitoring and application of patches and service packs
Perform hardware upgrades of systems when necessary
Supported large worldwide customer base receiving data feeds to include assistance with creation of accounts, and help with account problems, network connections, and other related issues
Performed tech refresh installation of server hardware and software
System Administrator/Site Engineer
Northrop Grumman
07.2012 - 12.2014
Provided level 1 sustainment which consists of continuously 24x7 onsite support with intent of maintaining continuous operations of real-time data processing and dissemination systems
Responsible for troubleshooting data processing and data flow, and interaction with development teams, sustainment teams and customers
Monitor system performance and resolved system performance issues
Identify and fix network issues via proper processes maintain/create/review network diagrams, data flow diagrams, processes and procedures, document all actions in shift logs, and problem reports
Provide real time resolution of problems to avoid and/or minimize system downtime, including restoring functions as quickly as possible, performing fault isolation, and performing maintenance actions once fault is isolated
Monitor progress of all unresolved problems and provide updates to documented problems, perform preventative maintenance inspections/actions; actively participate in installation and checkout of new hardware/software/firmware versions as it pertains to communications and networks
System Administrator/Site Representative
L3 Communications
04.2008 - 07.2012
Maintained server cluster environment running Solaris OS
Preformed security patching and configuration on Cisco Devices (Firewall, Switch, and IPS, Router), Transition Networks Media Convertors, Sun SL48 tape drives, Security ISSE Guard, HP One-Way Links (OWL), and Oracle Databases
Maintained WAN Cisco Router, NetScout and General Dynamics KG crypto devices
Use Veritas software for backing up system archives, logs, and data to tape
Assisted with first installation of all server hardware and configuration of software and network devices
Test and Integration Engineer/Senior Intel Analyst
L3 Communications
01.2003 - 04.2008
Developed and implemented methodologies test plans, and test cases for custom software verification and validation, system testing, performance monitoring, and change control
Responsible for installation and integration of software segments
Provided assistance with building and installation of system hardware
Trained multiple personnel in maintenance and sustainment of sever environments prior to being deployed worldwide
Education
Bachelor of Science - Information Technology
Skills
RedHat Linux
Solaris Unix
Security Technical Implementation Guides (STIGs)
Systems Maintenance and Monitoring
Technical Help Desk/Support
Technical Documentation
Security Patching
Hardware/Software Installation
Bash Scripting
Software Testing
Microsoft Office Suite proficiency
Service Now, JIRA, Confluence, Sharepoint proficiency
Certification
CompTIA Security+ (DoD 8570 IAT Level II), October 2019
Timeline
Lead System Administrator
Peraton
05.2017 - Current
System Administrator
General Dynamics
12.2016 - 05.2017
Information Technology Specialist
NAVSEA
06.2016 - 12.2016
System Administrator/Site Representative
CACI
01.2015 - 06.2016
System Administrator/Site Engineer
Northrop Grumman
07.2012 - 12.2014
System Administrator/Site Representative
L3 Communications
04.2008 - 07.2012
Test and Integration Engineer/Senior Intel Analyst
Network Technician at Hispanic Information and Telecommunications Network, Inc. (HITN)Network Technician at Hispanic Information and Telecommunications Network, Inc. (HITN)