As a Petroleum Laboratory Specialist, you're already performing data-driven analysis of fuel and lubricant samples. You also manage inventory with systems like PETREP. As a Data Analyst, you'll apply those analytical skills to business or scientific data, using tools like SQL and Python to extract, transform, and load data, then visualize it with tools like Tableau.

Your experience with petroleum product testing procedures and laboratory equipment calibration makes you a good fit for QA/Test Automation. Your knowledge of quality control and assurance can be applied to testing software and systems. You can learn to write automated tests using tools like Selenium or Cypress to ensure software quality.

With your experience in petroleum operations, technical guidance, and knowledge of systems (e.g., US Army Petroleum Reporting System), you can transition to a Computer Systems Analyst role. You already analyze and improve processes, and in this role you would apply these skills to IT systems. You'll need to learn about modern IT systems architecture, cloud computing, and systems integration to succeed.

Your experience in preparing technical reports, establishing files of technical references, and providing technical guidance aligns well with the responsibilities of a Technical Writer. As a Technical Writer, you can leverage your communication skills to create clear and concise documentation for software, hardware, and other technical products. Start by learning Markdown, reStructuredText, and Git.