Delta Information Systems, Inc. is a forward-thinking enterprise, specializing in leveraging cutting-edge technology and advanced process improvements to solve complex business problems. As a Business Analyst at Delta Information Systems, you will take on a crucial role in analyzing intricate business processes, identifying opportunities for automation and reengineering, and creating detailed project documentation. This position demands a high level of expertise in utilizing best practices from the International Institute of Business Analysis and Agile methodologies. By collaborating with various business units and leading cross-functional teams, you’ll not only contribute to the successful execution of projects but also play a pivotal role in driving organizational efficiency and innovation.

Thinking of joining Delta Information Systems as a Business Analyst? This guide is tailored to help you navigate the interview process, featuring key steps and insights into what to expect. Let’s dive in!

Submitting Your Application

To start your journey with Delta Information Systems, Inc. as a Business Analyst, you first need to submit an impactful application. Tailor your resume to highlight skills and experiences that match the job description. Include any professional certifications you hold (like Agile BA, Scrum Master, or PMP) and mention your knowledge of tools such as Microsoft 365 products, Power Platform, SQL Server, and Power BI.

Make sure your cover letter is concise but detailed enough to show your proficiency in key areas like business analysis, technical expertise, and project management skills.

Recruiter/Hiring Manager Call Screening

If your application is shortlisted, a recruiter from Delta Information Systems, Inc. will reach out to you for an initial screening. This conversation serves to confirm your experience and skills and may also include some behavioral questions.

Expect this call to last around 30 minutes. You might also get an opportunity during this call to ask questions about the role and the company.

Technical Virtual Interview

If you clear the recruiter screening, the next step is a technical virtual interview. This stage will likely be a deep dive into your technical skills and analytical abilities. Questions may cover areas like business analysis, ERP systems, user stories, backlog management, and Agile methodologies.

The interview may include a case study or a technical problem to solve, which tests your practical aptitude in handling business analysis tasks. Be prepared to discuss your past projects in detail and how you applied various technologies and methodologies to solve complex business problems.

Onsite Interview Rounds

If you pass the virtual technical interview, you’ll be invited to multiple onsite interview rounds at Delta Information Systems, Inc.’s office in Atlanta, GA. This could include:

• Technical interviews focusing on your knowledge of ERP systems, SQL, Agile development, and user stories.
• Practical assignments which may involve creating project documents, performing workflow analysis, and writing use cases.
• Behavioral interviews to assess your communication skills and cultural fit.

The onsite interview process often also includes a presentation of a take-home assignment or a real-world problem analysis. This illustrates your ability to communicate complex solutions clearly.

Quick Tips For Delta Information Systems, Inc. Business Analyst Interviews

Here are a few tips for acing your interview at Delta Information Systems, Inc.:

1. Understand the Company Needs: Delve into Delta Information Systems' core objectives and tailor your examples to highlight how you can solve their specific business problems.
2. Master Technical Skills: Ensure you are proficient in tools and methodologies mentioned in the job description like Microsoft 365 products, SQL Server, Power Platform, Agile methodologies, and ERP systems.
3. Showcase Communication Skills: Since this role involves significant interaction with various stakeholders, demonstrate your ability to articulate your thoughts clearly and effectively.

Typically, interviews at Delta Information Systems, Inc. vary by role and team, but commonly Business Analyst interviews follow a fairly standardized process across these question topics.

• Write a SQL query to select the 2nd highest salary in the engineering department. Write a SQL query to select the 2nd highest salary in the engineering department. If more than one person shares the highest salary, the query should select the next highest salary.

• Write a function to find the maximum number in a list of integers. Given a list of integers, write a function that returns the maximum number in the list. If the list is empty, return None.

• Create a function convert_to_bst to convert a sorted list into a balanced binary tree. Given a sorted list, create a function convert_to_bst that converts the list into a balanced binary tree. The output binary tree should be balanced, meaning the height difference between the left and right subtree of all the nodes should be at most one.

• Write a function to simulate drawing balls from a jar. Write a function to simulate drawing balls from a jar. The colors of the balls are stored in a list named jar, with corresponding counts of the balls stored in the same index in a list called n_balls.

• Develop a function can_shift to determine if one string can be shifted to become another. Given two strings A and B, write a function can_shift to return whether or not A can be shifted some number of places to get B.

• What are the drawbacks of having student test scores organized in the given layouts? Assume you have data on student test scores in two different layouts. Identify the drawbacks of these layouts and suggest formatting changes to make the data more useful for analysis. Additionally, describe common problems seen in "messy" datasets.

• How would you locate a mouse in a 4x4 grid using the fewest scans? You have a 4x4 grid with a mouse trapped in one of the cells. You can scan subsets of cells to know if the mouse is within that subset. Describe a strategy to find the mouse using the fewest number of scans.

• How would you select Dashers for Doordash deliveries in NYC and Charlotte? Doordash is launching delivery services in New York City and Charlotte. Describe the process for selecting dashers (delivery drivers) and discuss whether the criteria for selection should be the same for both cities.

• What factors could bias Jetco's study on boarding times? Jetco, a new airline, has the fastest average boarding times according to a study. Identify potential factors that could have biased this result and explain what you would investigate further.

• How would you design an A/B test to evaluate a pricing increase for a B2B SAAS company? A B2B SAAS company wants to test different subscription pricing levels. Design a two-week-long A/B test to evaluate a pricing increase and determine if it is a good business decision.

• How much should we budget for the coupon initiative in total? A ride-sharing app has a probability (p) of dispensing a $5 coupon to a rider. The app services (N) riders. Calculate the total budget needed for the coupon initiative.

• What is the probability of both riders getting the coupon? What is the probability that only one of them will get the coupon? A driver using the app picks up two passengers. Determine the probability of both riders getting the coupon and the probability that only one of them will get the coupon.

• What is a confidence interval for a statistic and why is it useful? Explain what a confidence interval is, why it is useful to know the confidence interval for a statistic, and how to calculate it.

• What is the probability that item X would be found on Amazon's website? Amazon has a warehouse system where items are located at different distribution centers. In one city, the probability that item X is available at warehouse A is 0.6 and at warehouse B is 0.8. Given that items are only found on the website if they exist in the distribution centers, calculate the probability that item X would be found on Amazon's website.

• Is this a fair coin? You flip a coin 10 times, and it comes up tails 8 times and heads twice. Determine if this is a fair coin.

• What are time series models and why do we need them? Describe what time series models are and explain why they are needed when we have less complicated regression models.

• How would you justify the complexity of building a neural network model and explain predictions to non-technical stakeholders? Your manager asks you to build a neural network model to solve a business problem. How would you justify the complexity of this model and explain its predictions to non-technical stakeholders?

• How would you evaluate and deploy a decision tree model for predicting loan repayment? You are tasked with building a decision tree model to predict if a borrower will repay a personal loan. How would you evaluate if a decision tree is the correct model? How would you evaluate its performance before and after deployment?

• How does random forest generate the forest, and why use it over logistic regression? Explain how random forest generates its forest. Additionally, why would you choose random forest over other algorithms like logistic regression?

• How would you explain linear regression to a child, a first-year college student, and a seasoned mathematician? Explain the concept of linear regression to three different audiences: a child, a first-year college student, and a seasoned mathematician. Tailor your explanations to each audience's understanding level.

• What are the key differences between classification models and regression models? Describe the main differences between classification models and regression models.

Your journey to becoming a Business Analyst at Delta Information Systems, Inc. promises to be a fulfilling challenge, packed with opportunities to analyze complex problems, leverage cutting-edge technologies, and drive forward-thinking solutions. Understanding the pivotal duties, responsibilities, and qualifications from this guide will prepare you to meet and surpass expectations, working with talented cross-functional teams under experienced leadership.

For a thorough understanding of the company and tailored insights into the interview process, check out our comprehensive Delta Information Systems Interview Guide. Furthermore, explore our other role-specific guides to expand your preparation across various positions.

At Interview Query, we are dedicated to providing you with the essential tools and advice needed to excel. Best of luck with your interview!