Hi,
These are Company specific and based on type of Industry. The role of Security Manager or SO of a Factory will be totally different from Corporate Office. Please refer the following for a general understanding.
Developing and implementing security policies, protocols and procedures
Controlling budgets for security operations and monitor expenses
Recruiting, training and supervising security officers and guards
Attend meetings with other managers to determine operational needs
Plan and coordinate security operations for specific events
Coordinate staff when responding to emergencies and alarms
Review reports on incidents and breaches
Investigate and resolve issues
Create reports for management on security status