Zayo Group is a global Communications Infrastructure provider that focuses on offering bandwidth and connectivity over an exceptional network. This company positions itself as a cornerstone in the telecommunications industry, supporting customers with high-performance bandwidth and network solutions.

Stepping into a role as a Business Intelligence (BI) professional at Zayo Group involves a dynamic environment that values analytical skills, data-driven decision-making, and innovative problem-solving. The BI position requires proficiency in data analysis, visualization tools, and a keen understanding of business processes to leverage insights effectively.

If you are considering a role at Zayo Group, this guide is for you. We will walk you through the interview process, explore some frequently asked questions for the Business Intelligence position, and provide tips to help you succeed. Welcome to your journey with Interview Query!

Submitting Your Application

The first step is to submit a compelling application that reflects your technical skills and interest in joining Zayo Group as a Business Intelligence professional. Whether you were contacted by a Zayo Group recruiter or have taken the initiative yourself, carefully review the job description and tailor your CV according to the prerequisites.

Tailoring your CV may include identifying specific keywords that the hiring manager might use to filter resumes and crafting a targeted cover letter. Furthermore, don’t forget to highlight relevant skills and mention your work experiences.

Recruiter/Hiring Manager Call Screening

If your CV happens to be among the shortlisted few, a recruiter from the Zayo Group Talent Acquisition Team will make contact and verify key details like your experiences and skill level. Behavioral questions may also be a part of the screening process.

In some cases, the Zayo Group Business Intelligence hiring manager stays present during the screening round to answer your queries about the role and the company itself. They may also indulge in surface-level technical and behavioral discussions.

The whole recruiter call should take about 30 minutes.

Technical Virtual Interview

Successfully navigating the recruiter round will present you with an invitation for the technical screening round. This usually includes a virtual interview via video conference and screen sharing. Questions in this 1-hour long interview stage may revolve around Zayo Group’s data systems, ETL pipelines, and SQL queries.

For Business Intelligence roles, take-home assignments concerning data analysis, metrics, and dashboards are often incorporated. Apart from these, your proficiency in SQL, data modeling, and understanding of business metrics may be assessed during the round.

Depending on the seniority of the position, case studies and real-scenario problem-solving tasks may also be assigned.

Onsite Interview Rounds

Followed by a second recruiter call outlining the next stage, you’ll be invited to attend the onsite interview loop. Multiple interview rounds, varying with the role, will be conducted during your day at the Zayo Group office. Your technical prowess, including data analysis and visualization skills, will be evaluated against the finalized candidates throughout these interviews.

If you were assigned take-home exercises, a presentation round may also await you during the onsite interview for the Business Intelligence role at Zayo Group.

Quick Tips For Zayo Group Business Intelligence Interviews

You should plan to brush up on any technical skills and try as many practice interview questions and mock interviews as possible. A few tips for acing your Business Intelligence interview at Zayo Group include:

• Understand Zayo Group’s Data Landscape: Make sure to research the company’s data infrastructure, products, and services. Know how Zayo Group leverages data to drive business decisions.
• Be Proficient in SQL: SQL skills are often a key component of Business Intelligence roles. Practice writing complex queries and understanding data manipulation and transformation.
• Emphasize Business Insights: Demonstrate your ability to derive meaningful insights from data. Be prepared to showcase examples where your analysis has led to actionable business outcomes.

Typically, interviews at Zayo Group vary by role and team, but commonly Business Intelligence interviews follow a fairly standardized process across these question topics.

• How would you use data to convince a fast-food franchise to purchase another custom Snapchat filter? Snapchat partnered with a fast-food franchise to create a custom filter available for a week. How would you use data from this campaign to persuade the franchise to buy another custom filter this year?

• Write a function missing_number to find the missing number in an array of integers. You have an array of integers, nums of length n spanning 0 to n with one missing. Write a function missing_number that returns the missing number in the array. The complexity should be \(O(n)\).

• Create a function first_uniq_char to find the first non-repeating character in a string. Given a string, find the first non-repeating character in it and return its index. If it doesn't exist, return -1. Consider a string where all characters are lowercase alphabets.

• Write a function inject_frequency to add the frequency of each character in a string. Given a string sentence, return the same string with an addendum after each character of the number of occurrences a character appeared in the sentence. Do not treat spaces as characters and exclude characters in the discard_list.

• Create a query to count rows resulting from different joins between ads and top_ads. Allstate is running N online ads. Create a subquery or common table expression named top_ads containing the top 3 ads by popularity. Return the number of rows resulting from ads INNER JOIN, LEFT JOIN, RIGHT JOIN, and CROSS JOIN with top_ads. Include a join_type column in the output.

• How would you explain what a p-value is to someone who is not technical? Explain the concept of a p-value in simple terms to someone without a technical background. Use relatable examples to illustrate its significance in hypothesis testing.

• What is the difference between Logistic and Linear Regression? When would you use one instead of the other in practice? Describe the key differences between Logistic and Linear Regression. Provide practical scenarios where each method would be appropriately applied.

• How would you build a fraud detection model with a text messaging service for transaction approval? You work at a bank that wants to build a model to detect fraud on the platform. The bank also wants to implement a text messaging service that will text customers when the model detects a fraudulent transaction, allowing the customer to approve or deny the transaction with a text response. How would you build this model?

• What is the difference between Logistic and Linear Regression, and when would you use each? Explain the difference between Logistic and Linear Regression. Describe scenarios where you would use one instead of the other in practice.

• What does the backpropagation algorithm do in neural networks, and what is its intuition? Describe the role of the backpropagation algorithm in neural networks and provide an informal intuition behind it. Discuss some drawbacks of the algorithm compared to other optimization methods. Bonus: Formally derive the backpropagation algorithm and prove its claims.

What is the average salary for a Business Intelligence at Zayo Group?

Q: What does Zayo Group do?

Zayo Group provides communications infrastructure services, including fiber and bandwidth connectivity, colocation, and cloud infrastructure. They support businesses, carriers, and government organizations, ensuring robust connectivity and network solutions.

Q: What are the primary responsibilities of a Business Intelligence position at Zayo Group?

In the Business Intelligence role, you'll be responsible for analyzing complex data sets, creating insightful reports, and helping drive strategic decision-making. This includes leveraging BI tools and working closely with different departments to understand their data needs.

Q: What qualifications are required for the Business Intelligence position at Zayo Group?

Candidates should have a strong background in data analysis, proficiency with BI tools like Tableau or Power BI, and a solid understanding of SQL and database management. Experience in data modeling and predictive analytics is also highly valued.

Q: What is the culture like at Zayo Group?

Zayo Group prides itself on a dynamic and collaborative work environment. The company values innovation, customer focus, and teamwork, encouraging employees to continuously improve and grow their skill sets.

Q: How can I prepare for an interview at Zayo Group?

To prepare for an interview at Zayo Group, research the company’s services and market position. Practice common interview questions and refine your technical skills with Interview Query. Be ready to discuss your past BI projects and how your skills align with the role.

Exploring a career with Zayo Group as a Business Intelligence professional promises a vibrant and innovative work environment. Dive deeper into the interview process and specific questions asked by checking out our Zayo Group Interview Guide, tailored to cover all the insights you need. Additionally, explore our guides for roles such as software engineer and data analyst for a comprehensive view of Zayo Group’s hiring process. At Interview Query, our mission is to empower you with the tools and knowledge necessary to excel. Check out all our company interview guides and get in touch with any questions. Best of luck with your interview at Zayo Group!