Engaging the services of a structural engineer is a critical step in any construction process. These highly skilled professionals are responsible for ensuring the safety, stability and durability of buildings and other structures. In essence, they translate architectural visions into tangible, structurally sound realities.

But how does one ascertain if a particular structural engineer is a suitable match for their project? The answer lies in asking a series of targeted questions that will unveil the engineer's proficiency, experience, and approach to work.

Firstly, let's dig deeper into credentials. Not only should the structural engineer possess a Bachelor’s Degree in Civil Engineering, but also they should ideally hold a Master’s Degree in Structural Engineering. These qualifications signify that they have undergone rigorous academic training that encompasses crucial subjects such as Structural Analysis, Concrete and Steel Design, Soil Mechanics amongst others.

However, this is just the tip of the iceberg. For structural engineers, having Professional Engineering (PE) license, which requires passing two demanding exams (the Fundamentals of Engineering and the Principles and Practice of Engineering exams) and gaining relevant work experience, is a testament to their competency. It is also prudent to ask whether they are a member of a recognized engineering body such as The Institution of Structural Engineers or the American Society of Civil Engineers. Membership in these esteemed institutions implies adherence to a strict code of professional ethics and continued learning.

Secondly, experience is a cornerstone in structural engineering. Therefore, understanding the engineer's breadth and depth of experience is paramount. Have they worked on similar projects before? What were the challenges they faced, and how did they overcome them? The answers to these questions will provide a glimpse into their problem-solving skills, creativity, and adaptability.

Thirdly, understanding the engineer's approach to risk management is essential. Structural engineering, like many other fields within the sphere of construction, is fraught with risks and uncertainties. These can range from unforeseen ground conditions to changes in design requirements, to the availability of building materials. How does the engineer plan for such risks? What mitigation measures do they put in place? A proactive approach to risk management is indicative of a thoughtful and reliable engineer.

Next, the correlation between theoretical principles and practical application is critical in structural engineering. Ask the engineer to provide examples of how they have applied principles of physics and mathematics in their work. For instance, the application of Newton's laws of motion in the design of earthquake-resistant buildings or the use of calculus in determining load distribution.

In terms of technologies and techniques, it is beneficial to inquire about the engineer's proficiency with various design software such as AutoCAD, Revit or SolidWorks, and their knowledge of the latest trends such as Building Information Modeling (BIM). An engineer who keeps abreast with technology is likely to produce more efficient and accurate designs.

Lastly, communication plays a pivotal role in the successful realization of a project. Ask the engineer about the ways they ensure transparent and timely communication with the project team and stakeholders.

In conclusion, selecting the right structural engineer for your project is a multi-faceted process that requires a comprehensive understanding of the engineer’s qualifications, experience, approach to work, and their capacity to apply theoretical knowledge in practical situations. By asking these questions, you can ensure that you engage a structural engineer who is not only technically proficient and experienced but also a strategic thinker, an effective communicator, and an innovator.