In the dynamic world of Microservices engineering, every engineer should be well-versed in these essential core components:

1. Containerisation: Start by grasping the concept of containers, which bundle code and dependencies for consistent and efficient deployment.

2. Container Orchestration: Master container orchestration tools to streamline the management, scaling, and networking of containers for optimal performance.

3. Load Balancing: Explore load balancers to evenly distribute network or application traffic across servers, ensuring scalability and reliability.

4. Monitoring and Alerting: Implement robust monitoring solutions to continuously track application functionality, performance, and communication, while setting up effective alerting mechanisms.

5. Distributed Tracing: Gain proficiency in distributed tracing tools, which are essential for debugging and tracing requests across microservices.

6. Message Brokers: Understand how message brokers facilitate seamless communication between applications, systems, and services.

7. Databases: Explore various data storage techniques to persist data, supporting subsequent processes and reporting.

8. Caching: Implement caching strategies to reduce latency in microservice communication, enhancing overall system responsiveness.

9. Cloud Service Providers: Familiarize yourself with third-party cloud services catering to infrastructure, application, and storage requirements, optimizing your Microservices architecture.

10. API Management: Delve into API design, publishing, documentation, and security, ensuring a secure environment for your microservices ecosystem.

11. Application Gateway: Comprehend the importance of application gateways for network security and filtering of incoming traffic, bolstering system defenses.

12. Service Registry: Learn about service registries, essential tools for tracking available instances of each microservice, aiding in seamless communication.

While these are the core components, there are other crucial elements to explore in the world of Micro services architecture.