Business Analyst Sql R Python Jobs in Fairfax, VA

M&J Engineering, D.P.C. is a quality provider of multi-disciplined consulting services with over 300 employees. Since its inception in 2004, M&J has grown into diversified provider of engineering, construction management, construction inspection, technology, and environmental services to a broad range of clients, including federal, state and city/local agencies, private owners, architects, engineers and contractors.

M&J Engineering is a leader in construction management and inspection, ITS, mechanical, electrical, wastewater, water supply, tunnel airport, port, marine/coastal, environmental engineering, and design-build services for both new infrastructure projects and renovations.

M&J bases its employment and personnel decisions on the principles of Equal Employment Opportunity, with the intent to further the Company's Affirmative Action commitment. M&J does not discriminate on the basis of race, color, religion, national origin, sex, sexual orientation, pregnancy, gender identity or expression, age, disability, genetic information, marital status, citizenship status, employment status, veteran or military status, or any other category protected by law. Our Company vigorously pursues opportunities to recruit and develop job candidates who have the desire and potential for becoming qualified employees through our Affirmative Action Plan.

M&J is seeking a Data/Business Analyst to provide analytical, data-driven insights to improve operational performance, financial efficiency, and strategic decision-making across key business areas.

• Collect, analyze, and interpret complex data sets to identify trends, patterns, and insights that inform WMATA's operational and business objectives.
• Develop and maintain dashboards, reports, and performance metrics using Power BI, or other visualization tools.
• Collaborate with WMATA departments to gather business requirements and translate them into functional specifications.
• Conduct data validation, quality assurance, and integrity checks across multiple data sources.
• Support the creation of data models, predictive analyses, and forecasting tools to enhance planning and resource allocation.
• Document business processes, workflows, and system interfaces for continuous process improvement.
• Assist project managers and technical teams with business case development, impact assessments, and performance reporting.
• Support ad-hoc data requests, KPIs, and performance monitoring as required by WMATA leadership.
• Ensure compliance with WMATA's data governance, security, and reporting standards.
• Attend required meetings and perform other duties as assigned.

• A minimum of a bachelor's degree in business, Data Analytics, Information Systems, Economics, Statistics, or a related field.
• 5+ years of professional experience as a Data Analyst, Business Analyst, or related role.
• Proficiency in SQL, Excel (advanced), and data manipulation/cleansing techniques.
• Effective communication skills and ability to work collaboratively with technical teams.
• Experience supporting transportation, government, or public sector clients (WMATA experience is highly desirable).
• Knowledge of WMATA's systems, KPIs, and operational data frameworks.
• Familiarity with project management methodologies (Agile, PMBOK, etc.).
• Experience with Python, R, or other statistical tools a plus.

M&J is a leader in providing quality engineering consulting services to a diverse and exciting client base. We attract experienced professionals who understand proactive client service, safety, risk management and loss prevention practices, quality control, teamwork, and the development of younger staff. We seek employees who enjoy their work, desire continuous improvement, and want to contribute to the vision and growth of a quality, employee-owned, professional firm. To all full-time employees we provide a comprehensive package of benefits, including medical, dental and eye insurance, 401(k) retirement plan, life insurance, etc. Salary will depend on experience and credentials.