JEREMIAS TEISSEIRE
Systems Programmer
Dallas,TX
Summary
Result-oriented and motivated professional with proven ability to resolve complex technical issues and adapt quickly to new challenges. Three years of experience as z/OS Systems Programmer at Citibank. Seeking to leverage technical and analytical skills in a technology-focused role in the banking industry.
Overview
7
7
years of professional experience
2
2
Certifications
2
2
Languages
Work History
Z/OS Systems Programmer (AVP)
Citibank
02.2023 - 02.2026
- Conducted thorough research on emerging technologies around IBM z/OS, recommending tools that improved efficiency or provided competitive advantages.
- Installed and maintained BMC Software tools into IBM z/OS. Enabled the latest features for 1200 users and lowered costs.
- Acted as liaison with BMC Software, keeping licenses up to date and troubleshooting product problems.
- Updated equipment firmware to improve service and comply with company standards.
- Implemented rigorous testing protocols to ensure high-quality software releases and minimize post-deployment issues.
- Collaborated in the yearly rollout of latest operating system upgrades on 170 systems across 15 countries.
- Acted as on-call 5 weeks a year, providing support for more than 400 users and resolved issues related to IBM z/OS system.
Server
REVOLVER TACO LOUNGE
01.2020 - 12.2020
- Collaborated with team to serve an average of 60 customers in an eight-hour day, providing excellent customer service and attention to increase the value of the service.
- Handled and counted manually $700/&1000 in cash at close to ensure the amount was correct and keep the accounting of the restaurant exact.
- Ensured that my station was clean and organized every hour using my organizational skills to keep the restaurant sanitized, presentable and attractive to incoming customers.
Team Member
SHEETZ
02.2019 - 12.2019
- Counted manually and ordered inventory of 500 items in the store to ensure customers were provided what they needed.
- Utilized multitasking abilities to take orders using POS and, simultaneously, preparing and charging an average of 200 customers per eight-hour shift.
- Collaborated and communicated with team through headsets during tasks to improve productivity and improve service.
- (Gas station, convenience store, and coffee shop)
Education
Bachelor of Science - Business Analytics, Minor in Finance
University of North Texas
Denton, TX 05.2001 -
Skills
Data analysis
Data structure design
SQL
JAVA
COBOL
PowerBI
Resilience
Effective communication
Excel certified
Problem-Solving
Mainframe z/OS knowledge
Microsoft office
Accomplishments
- Developed Data Privacy procedures, resulting in a 30% increase in employee data protection from documentation exchanged with vendors.
Certification
Excel Certified Spring 2021
HONORS & AWARDS
Dean’s List Fall 2020 – Present
CORE COMPETENCIES
- Problem-solving
- Adaptability
- Teamwork
- Communication
- Reliability
- Resilience
Timeline
Z/OS Systems Programmer (AVP)
Citibank
02.2023 - 02.2026
Server
REVOLVER TACO LOUNGE
01.2020 - 12.2020
Team Member
SHEETZ
02.2019 - 12.2019
Bachelor of Science - Business Analytics, Minor in Finance
University of North Texas
05.2001 -