Ernesto Herrera Email and Phone Number

• Resolved 73 Jira service desk tickets -- closed open Jira tickets; supported 400+ users on the Unclassified Development Environment (UDE)• Completed the IP address sorting and clean up for the UDE – identified IP addresses that were active and moved IP addresses that were not being used to the reserve pool• Wrote three "How to guides" in the collaboration web page -- produced documentation for the UDE System Administration team; to serve as on-the-job reference instruction

• Utilized technologies and processes to improve the performance, reliability, and availability of Defense Microelectronics Activity (DMEA) data storage assets• Provided management, configuration, administration, and optimization of storage devices throughout DMEA networks• Administered, maintained, and updated associated DMEA systems to support critical hardware solutions for the US Armed Services

• Enforced compliance with Department of Defense Instruction (DoDI) 8510.01, Risk Management Framework (RMF) for DoD Information Technology• Monitored and updated required security documentation, including items such as System Security Plans and Plan of Action and Milestones (POA&Ms) using Xacta (cyber risk management tool)• Supported the assessment and mitigation of vulnerabilities throughout the information systems’ life cycle

• Monitored enterprise cybersecurity policy compliance and applied computer security policies to safeguard systems and customer information• Utilized current computer science technologies to maintain system security and oversight of computer systems and networks• Audited and enforced the compliance of cybersecurity procedures and investigated security-related incidents• Ensured engineered solutions were in compliance with DISA STIGs (Security Technical Implementation Guides) and DoD policies• Performed as a data transfer agent and maintained updated anti-virus software to block system threats• Assigned system privileges to users, analyzed information security threats, and audited system accounts

• Provided immediate response to any service disruption that may arise with the customers’ systems and networks• Delivered all assigned work orders on time; preinstalled 73 servers, 86 desktops, 11 printers, 32 gateways and 17 proxy servers• Hardened computer systems and applied required security patches for network servers• Accomplished tasks and managed time efficiently by multitasking responsibilities during system upgrades and data migration• Collaborated and supported the accreditation of the Battlefield Intelligence Collection and Exploitation System (BICES) project

• Managed procurement and implementation functions for Air Force Space Command’s only cyber operational test and evaluation range• Defined requirements--instrumental in the management of $10M budget including $3.1M in cyber range innovation and tech refresh

• Managed 9-person boundary defense team and upgraded the air base Sidewinder firewall hardware and software--zero downtime to 5K users• Performed system builds, upgrades, and fine tuning for 130 client computers and 24 Unix servers within the Theater Battle Management Core System• Provided technical input and support for diversified government Intrusion Detection systems, applications and diverse hardware configurations• Responsible for maintaining and keeping over 30 mission critical systems, classified and unclassified in a mission ready state at all times• Responsible for installing, supporting, and maintaining servers or other computer systems, to include planning for and responding to service outages and other network issues• Executed base-wide computer and printer technical refresh, valued at over $200K which doubled the intelligence officers’ information processing power—supporting operation