Only if the superintendent work was itself managerial in the legal sense. Supervising a crew of operators is first-line supervision and usually does not qualify; directing supervisors, budgets and hiring may.
The year is measured by capacity, not by title
The regulation requires one continuous year of employment abroad, within the three years before the petition, in a managerial, executive or specialized-knowledge capacity. A promotion date is simply the day the title changed. The question for the earlier period is what the person controlled.
Managerial capacity means managing the organization, a department, a function or a component, supervising and controlling the work of other supervisory, professional or managerial employees, or managing an essential function, with authority over hiring and discretion over day-to-day operations. A superintendent who directs shift operators and reports to a foreman does not fit that description, however important the shift. A superintendent who sets production targets, approves overtime, disciplines staff and reports to the plant manager may.
Build the case from duty statements, performance reviews and the org chart of that time. If the earlier role was hands-on, wait for the year to complete.