It's great that you're thinking about your career progression! With your background as a Cloud Support Engineer, ETL tester, and QE, combined with your CS Engineering degree and MS in Software Engineering (specialized in Cloud/Data Science), you have a strong foundation for several high-paying roles. Here are some options you can consider, along with the skills you might need to focus on:

**1. Cloud Solutions Architect:**

* **What they do:** Design and implement cloud computing solutions for organizations. This involves understanding business needs, designing cloud infrastructure, and ensuring security and scalability.
* **Why it's a good fit:** Your experience in cloud support gives you practical knowledge of cloud environments, while your MS in Software Engineering provides the theoretical background.
* **Skills to develop:** Cloud architecture patterns, cloud security, cost optimization, and strong communication skills to interact with clients.
* **Potential Salary:** Very high, often exceeding $150,000 per year.

**2. Cloud DevOps Engineer:**

* **What they do:** Bridge the gap between software development and IT operations, automating processes and ensuring smooth deployment and operation of cloud-based applications.
* **Why it's a good fit:** Your experience in testing (ETL and QE) gives you a good understanding of the software development lifecycle, which is crucial for DevOps.
* **Skills to develop:** CI/CD (Continuous Integration/Continuous Deployment) pipelines, infrastructure as code (IaC), containerization (Docker, Kubernetes), and automation tools.
* **Potential Salary:** Also very high, often in the $120,000-$150,000 range.

**3. Cloud Security Engineer:**

* **What they do:** Focus on securing cloud environments, protecting data and infrastructure from threats.
* **Why it's a good fit:** With increasing concerns about data breaches, this is a high-demand area. Your experience in testing can be valuable in identifying vulnerabilities.
* **Skills to develop:** Cloud security best practices, security tools and technologies, compliance standards, and ethical hacking.
* **Potential Salary:** Highly competitive, similar to Cloud Solutions Architect.

**4. Cloud Data Engineer:**

* **What they do:** Build and maintain data pipelines and infrastructure in the cloud, enabling data storage, processing, and analysis.
* **Why it's a good fit:** Your MS specialization in Data Science, combined with your ETL testing experience, makes this a natural progression.
* **Skills to develop:** Big data technologies (Hadoop, Spark), data warehousing, ETL processes, and cloud-based data services.
* **Potential Salary:** Very attractive, often in the $120,000-$150,000 range.

**5. Data Scientist/Machine Learning Engineer (with Cloud Focus):**

* **What they do:** Apply statistical and machine learning techniques to analyze data and build predictive models, often leveraging cloud resources for scalability.
* **Why it's a good fit:** Your MS specialization in Data Science is directly relevant here.
* **Skills to develop:** Machine learning algorithms, statistical modeling, programming languages (Python, R), and cloud-based machine learning platforms.
* **Potential Salary:** Can be very high, especially with experience and a strong portfolio.

**Key Considerations:**

* **Certifications:** Obtaining relevant cloud certifications (AWS, Azure, GCP) can significantly boost your career prospects.
* **Networking:** Attend industry events and connect with people in your desired field.
* **Projects:** Work on personal projects to showcase your skills and experience.

By focusing on developing the relevant skills and gaining practical experience in your chosen area, you can position yourself for a high-paying and fulfilling career in the cloud computing industry.