Dexter Stembridge Email & Phone Number

Houston, Texas, United States

Major Responsibilities:I managed senior technical product responsibilities for the nMarket ISO interaction trading product, ensuring compliance with ISO market regulations and implementing performance-enhancing upgrades. I worked closely with cross-functional teams to design systems that improved operational efficiency and enhanced the user experience. I also oversaw software upgrades for UPLAN, an energy market simulation modeling product, resulting in better functionality and user satisfaction. In addition, I handled access control by managing user certificates for company assets and applications, ensuring secure employee access. By extracting and analyzing business data, I developed SQL queries for business intelligence tools, enabling effective data manipulation and presentation. Collaborating with teams such as power traders and software developers, I leveraged technology to address complex business challenges within the energy markets.Key Deliverables:* Instrumental in reducing problem tickets by 90%, markedly enhancing business confidence and system reliability.* Ensured over 5,000 daily day-ahead and real-time energy trades were supported by 24-hour IT, leading to successful market submissions across six ISOs.* Reduced application-level emergency response calls by over 90% by implementing LDAP authentication and PowerShell scripts for application performance tracking.* Awarded the Star Performer Award in 2024 for exceptional contributions to the team and company.* Achieved a career milestone with a promotion from IS Analyst III to Senior IS Analyst, recognizing expertise and dedication.* Authored over 10 monitoring scripts in PowerShell, enhancing application reliability/preventing potential business disruptions.

Houston, Texas, United States

Major Responsibilities:I engineered robust solutions for data center hosting environments, with a focus on migrating, implementing, and optimizing critical applications. I successfully orchestrated the seamless migration of over 100 on-premises Windows and Linux servers to Microsoft Azure Cloud, ensuring minimal downtime and maintaining business continuity. I administered the Tripwire Enterprise Application to uphold system integrity, automating configurations and reporting in compliance with North American Electric Reliability Corporation (NERC) Critical Infrastructure Protection (CIP) standards.By enforcing stringent NERC CIP standards across power grid critical infrastructure, I contributed to safeguarding national energy reliability and security. I also developed comprehensive documentation for system configurations and protocols to support future audits and ensure compliance. In collaboration with cross-functional teams, I optimized server performance and security postures, aligning with organizational goals and industry regulations.Key Deliverables:* Migrated the UPLAN energy market modeling tool to the Azure cloud, optimizing application availability and scalability.* Streamlined server management processes by implementing automation, resulting in a 30% reduction in manual configuration tasks.* Enhanced system security and compliance through meticulous administration of Tripwire Enterprise, achieving a 100% audit success rate.* Played a pivotal role in the transition to cloud infrastructure, directly contributing to a 20% improvement in system scalability and reliability.

Houston, Tx

Major Responsibilities:I administered and optimized Microsoft System Center products SCCM and SCOM, significantly enhancing Windows server performance and reliability. I led the successful upgrade of the Active Directory infrastructure from 2008 to 2012, ensuring a seamless transition ahead of end-of-life deadlines. To proactively address system issues, I implemented monitoring solutions that minimized downtime and improved user satisfaction. In addition, I streamlined server provisioning and management processes, contributing to greater operational efficiency. By collaborating with cross-functional teams, I ensured IT infrastructure alignment with broader organizational goals.Key Deliverables:* Successfully upgraded Active Directory domain for a major project, ensuring zero downtime during the transition.* Configured and maintained critical system management tools, leading to a reduction in server incidents by 30%.* Played a pivotal role in the server consolidation initiative that resulted in a 25% reduction in physical server count.

Houston, Texas, United States

Major Responsibilities:I deployed and maintained server systems at various power plant locations, ensuring high levels of operational efficiency and reliability. In this role, I provided comprehensive desktop support, resolving a wide range of IT issues to minimize downtime and maintain smooth operations. I also developed and implemented IT solutions specifically tailored to the unique needs of the energy sector, enhancing both system performance and user satisfaction.Key Deliverables:* Conducted regular system diagnostics and preventive maintenance to forestall potential IT failures.* Collaborated with cross-functional teams to streamline IT processes and response times for technical support inquiries.

Houston, Texas, United States

Roseville, Ca

Roseville, Ca

Palo Alto, Ca

Master Of Science (Ms), Computer Science, 3.75

Greensboro, NC

Bachelor Of Science (Bs), Computer Science, 3.47

Activities and Societies: National Society of Black Engineers (NSBE), Association For Computing Machinery Upsilon Pi Epsilon (UPE) –.