Score for Custom Job Description:
1. Job Title: 10/10, 10/10, 10/10
2. Introduction/Overview: 9/10, 10/10, 10/10
3. Roles & Responsibilities (or Job responsibilities): 9/10, 9/10, 9/10
4. Years of Experience: 10/10, 10/10, 10/10
5. Education Qualification: 10/10, 10/10, 10/10
6. Skills/Knowledge: 9/10, 9/10, 9/10
7. Domain/Industry: 8/10, 8/10, 8/10
8. Key Competencies: 7/10, 7/10, 7/10
9. Employment Type: 0/10, 0/10, 0/10
10. Company Overview: 10/10, 10/10, 10/10
11. Benefits & Opportunities: 0/10, 0/10, 0/10
12. Location & Travel: 10/10, 10/10, 10/10

Explanation of Scores:

1. Job Title:
The job title is clear, complete, and relevant to the industry standard.

2. Introduction/Overview:
The introduction is clear and provides a detailed overview of the company, though it could be slightly more concise for clarity.

3. Roles & Responsibilities:
The roles and responsibilities are clearly defined, complete, and relevant, but could be more specific in terms of the expected outcomes or deliverables.

4. Years of Experience:
The years of experience required are clearly stated, complete, and relevant to the benchmark.

5. Education Qualification:
The education qualifications are clearly stated, complete, and relevant to the benchmark.

6. Skills/Knowledge:
The skills and knowledge required are clearly listed, but some additional specificity could improve completeness and relevancy.

7. Domain/Industry:
The domain is mentioned, but more specific industry knowledge could be detailed to improve clarity and relevancy.

8. Key Competencies:
Key competencies are listed, but they could be more explicitly tied to job performance to improve clarity and relevancy.

9. Employment Type:
No details found, hence the score is 0 for all parameters.

10. Company Overview:
The company overview is clear, complete, and relevant, providing a good understanding of the company's background and operations.

11. Benefits & Opportunities:
No details found, hence the score is 0 for all parameters.

12. Location & Travel:
The location is clearly stated, complete, and relevant to the benchmark. Travel requirements are not mentioned but can be inferred from the context.

Note: The scores reflect a rigorous and meticulous assessment based on the provided definitions of clarity, completeness, and relevancy. The absence of details in sections 9 and 11 significantly impacts the completeness and relevancy scores for those sections.