As a Supermarket Manager, you will need to master following:

• cold chain
• enforce regulations of selling alcoholic beverages to minors
• enforce regulations of selling tobacco to minors
• ensure compliance with purchasing and contracting regulations
• maintain relationship with customers
• maintain relationship with suppliers
• manage the store image
• medicines for self-medication
• negotiate sales contracts
• oversee promotional sales prices
• sales activities
• set sales goals
• supervise merchandise displays
• train staff to reduce food waste

More generally, a supermarket manager is also versed in:

• adhere to organisational guidelines
• control of expenses
• design indicators for food waste reduction
• develop food waste reduction strategies
• employment law
• manage budgets
• manage staff
• manage theft prevention
• maximise sales revenues
• measure customer feedback
• monitor customer service
• perform market research
• perform procurement processes
• recruit employees
• study sales levels of products

It also helps to know the following:

• assess supplier risks
• coach team on visual merchandising
• cyber security
• develop an organisational structure
• examine merchandise
• food waste monitoring systems
• implement sales strategies
• manage inventory
• produce sales reports
• use internet to increase sales
• use resource-efficient technologies in hospitality
• conduct research on food waste prevention
• ensure compliance with warranty contracts
• identify suppliers
• implement marketing strategies
• keep up with trends
• train employees