Back to job descriptions

Data Analyst Job Description

Data Analyst Job Description

Use this Data Analyst job description template to define reporting responsibilities, SQL skills, qualifications, and practical interview questions for your next hire.

Use this Data Analyst job description template to define reporting responsibilities, SQL skills, qualifications, and practical interview questions for your next hire.

By

Team Sherlock.sh

Add Sherlock as a preferred source on Google

Use this Data Analyst job description template to hire someone who can turn business questions into defensible findings. Customize the examples to your reporting environment, decision makers, and data maturity. Specify whether the role emphasizes product behavior, operations, finance, marketing, or another domain rather than asking one analyst to cover every specialty.

A Data Analyst investigates business performance using structured data, statistical reasoning, and clear communication. The role typically concentrates on interpreting existing information and improving decisions. Data engineering focuses more on building data delivery systems, while data science often includes developing predictive models or experimental methods.

Data Analysts make business performance understandable and actionable. Their key responsibilities include:

  • Translating business questions into measurable analysis plans.

  • Writing SQL and validating the datasets behind reports.

  • Building dashboards with consistent definitions and useful context.

  • Investigating trends, differences, and unexpected metric changes.

  • Communicating findings, limitations, and recommended next steps.

Data Analyst Job Description Template

We are looking for a curious Data Analyst to help teams understand performance and make better-informed choices. You will work from questions rather than chart requests alone, establish what the available evidence can support, and explain where uncertainty remains. Strong candidates are comfortable challenging an ambiguous metric definition before producing a polished dashboard.

In this role, you will query business datasets, build repeatable reporting, investigate discrepancies, and present conclusions to technical and nontechnical colleagues. You will partner with data engineers on source reliability without assuming ownership of the entire data platform. Success includes trusted definitions, reproducible work, and analysis that helps someone take a clearly identified action.

Data Analyst Roles and Responsibilities

Daily work combines planned reporting with investigative analysis. An analyst may reconcile inconsistent revenue figures, explore why a conversion rate changed, or determine whether a comparison is distorted by a changing customer mix.

The key roles and responsibilities of a Data Analyst include:

  • Clarify stakeholder questions, intended decisions, business constraints, and the level of precision needed before beginning an analysis.

  • Write maintainable SQL queries using appropriate joins, aggregations, filters, and window functions for the question being investigated.

  • Validate source coverage, record uniqueness, missing values, date boundaries, and other conditions that could change an interpretation.

  • Define metrics with documented numerators, denominators, inclusion rules, reporting periods, and ownership so teams compare equivalent results.

  • Develop dashboards and recurring reports that highlight meaningful patterns without hiding important definitions or limitations.

  • Investigate changes in business performance using segmentation, cohort comparisons, and relevant operational context rather than assuming causation.

  • Reconcile conflicting numbers across reports and explain whether differences arise from definitions, timing, transformations, or source errors.

  • Summarize findings in concise written narratives that distinguish observed evidence, plausible explanations, and recommended follow-up work.

  • Collaborate with data engineers to improve dataset usability, report quality issues, and verify fixes against downstream reporting needs.

  • Maintain versioned queries, analytical notes, and reproducible workflows so colleagues can review and extend completed work.

  • Apply approved data access and handling practices, including limiting unnecessary exposure of sensitive records in analytical outputs.

  • Prioritize analytical requests by decision value, urgency, effort, and dependencies while communicating realistic delivery expectations.

Data Analyst Requirements and Qualifications

Look for evidence that metric definitions, source quality, and analytical limits are resolved before conclusions are presented.

Common Data Analyst qualifications and requirements include:

  • A degree in statistics, economics, mathematics, computing, or a related field, or equivalent practical analytical experience.

  • Practical SQL skills demonstrated through accurate queries, sensible join choices, and validation of the resulting dataset.

  • Experience cleaning and analyzing business data while recognizing missingness, duplicates, inconsistent categories, and measurement limitations.

  • Understanding of descriptive statistics, distributions, sampling considerations, and the difference between correlation and causal evidence.

  • Ability to build clear charts and explain which visual form best supports a particular business comparison.

  • Experience using spreadsheets and a reporting or visualization tool to deliver repeatable, reviewable analytical work.

  • Clear written and verbal communication, including explaining uncertainty without overwhelming the intended decision maker.

  • Familiarity with Python or R for repeatable analysis when the workload extends beyond SQL and spreadsheets.

  • Experience with experiments, product instrumentation, cohort analysis, or the business domain relevant to the position.

  • Familiarity with version control, documented semantic definitions, and collaborative review of analytical code or reports.

Who Does a Data Analyst Report To?

A Data Analyst may report to different leaders depending on the team structure. Common reporting lines include:

  • Analytics Manager

  • Head of Business Intelligence

  • Data Lead

  • Leader of a specific business function

In an embedded model, the analyst often works closely with a product or operations team while following shared analytical standards.

How to Assess Data Analyst Skills Effectively

Use a small, synthetic dataset and a realistic decision prompt. Assess accuracy, reasoning, communication, and validation separately so an attractive chart does not conceal an incorrect calculation. Share the available time and permitted tools in advance.

  • SQL accuracy: Provide customer and order tables with duplicate identifiers and ask candidates to calculate repeat purchase rates without inflating totals.

  • Metric definition: Ask candidates to define an active customer, state exclusions, and explain how alternative definitions affect interpretation.

  • Data validation: Include missing dates and inconsistent categories, then evaluate the checks proposed before presenting a business conclusion.

  • Analytical judgment: Show a falling conversion rate alongside a changing traffic mix and ask for a defensible investigation plan.

  • Visualization: Request one chart and a short explanation for a nontechnical manager, scoring clarity and honest presentation of uncertainty.

  • Stakeholder communication: Ask candidates to summarize findings, identify unanswered questions, and recommend a next action supported by the evidence.

How to Detect AI Cheating When Hiring a Data Analyst

Hiring a Data Analyst requires evaluating candidates on SQL, data cleaning, statistical reasoning, visualization, and business interpretation. During remote interviews, candidates may use AI tools to generate answers or receive real-time assistance, making it harder for recruiters to determine whether they genuinely possess these skills.

Sherlock AI helps recruiters detect AI-assisted cheating during Data Analyst interviews. It can identify potential use of AI answering tools, deepfakes, candidate impersonation, and suspicious screen activity during remote interviews.

When hiring a Data Analyst, recruiters can combine Sherlock AI with practical interview exercises, such as querying a sample dataset, identifying misleading dashboard metrics, or explaining a business trend from supporting data. These exercises help evaluate a candidate's data analysis skills, while Sherlock AI helps identify potential signs of cheating during the interview.

Screen Data Analyst Interviews for AI-Assisted Cheating

Hiring a Data Analyst requires confidence in a candidate's ability to validate data, interpret patterns, and communicate evidence-based conclusions. Sherlock AI helps hiring teams identify potential AI-assisted cheating and impersonation during remote interviews, supporting a more reliable candidate evaluation process.

Explore Sherlock AI to learn how you can detect AI-assisted cheating during remote interviews and make more informed hiring decisions.

Frequently Asked Questions

What does a Data Analyst do?

A Data Analyst queries and interprets business information to answer specific questions.

What are the duties and responsibilities of a Data Analyst?

Responsibilities include defining metrics, validating source data, writing queries, building dashboards, investigating performance, and presenting recommendations.

What makes a good Data Analyst?

A good analyst checks whether a question is well formed, looks for alternative explanations, and connects results to a decision.

Who does a Data Analyst work with?

Data Analysts collaborate with business stakeholders, data engineers, finance teams, product managers, and operational specialists.

What skills should a Data Analyst have?

Core skills include SQL, data validation, descriptive statistics, visualization, spreadsheet analysis, and stakeholder communication.

What qualifications are required for a Data Analyst?

Employers can accept relevant education or equivalent practical experience.

How do you assess a Data Analyst candidate?

Give candidates a bounded business question with imperfect synthetic data, then review the query, validation checks, and interpretation.

Team Sherlock.sh

Building fraud intelligence for live high-stake video interactions (financial discussions, hiring interviews, board meeting etc).

Catch candidate fraud before it costs you.

Sherlock AI helps you detect AI-assisted, proxy, and deepfake candidates, so every hiring decision is backed by evidence.

Ask AI about Sherlock.sh

Similar Posts