Final answer:
An engineer for a consulting firm should coordinate with the Legal Counsel, Human Resources, and financial departments when determining control and reporting requirements for storage of customer data.
Step-by-step explanation:
When determining the control and reporting requirements for storage of sensitive, proprietary customer information, an engineer for a consulting firm should coordinate with the Legal Counsel department. Legal counsel can provide guidance on compliance with relevant laws and regulations regarding data protection and privacy.
Additionally, the Human Resources department may be involved to ensure that employees are properly trained on data handling and security protocols.
The Financial department may also be consulted to determine the financial implications of implementing and maintaining secure storage systems.