Senior Data Engineer (Power BI & Python)

Job DescriptionSenior Data Engineer (Power BI & Python)Lafayette Group is seeking experienced professionals to provide advanced consulting support for federal cybersecurity programs. The Senior Data Engineer (Power BI & Python) is an experienced, collaborative team member who shares our passion for supporting cybersecurity, has an innate curiosity to learn, and drives to excel with a team of like-minded colleagues in a dynamic environment. This role provides thought-leadership, technical support, and data analytics services across a broad portfolio of cybersecurity and risk management programs. This position is ideal for candidates with a blend of experience in data extraction and transformation, data analysis, and infrastructure optimization, combined with strong consulting skills.Job ResponsibilitiesDesign, build, and maintain modular, maintainable data pipelines for data ingestion and transformation in PythonDevelop and maintain data pipelines for analytics and reporting in Python, SQL, or Power QueryOptimize data storage and retrieval by leveraging Paraquets columnar format using PythonUtilize Jupyter Notebooks to accomplish tasks such as exploratory data analysis, prototyping data transformations, and validating data pipeline outputsQuery data using Python and SQL to support ad-hoc business requests and identify actionable insightsWork with diverse data formats including relational databases, structured files, and unstructured dataAnalyze and manage diverse data sets to improve federal and national risk insights; understand how partner organizations receive and use information from the client to drive down cyber risk.Develop and deliver high-quality products (e.g., reports, briefings, demos, presentations) for data projects, tailored to the stakeholder audienceProvide reports that organize data analysis in a consumable format for stakeholders, including interactive data visualizations and infographics.Provide advice and guidance on data analysis, processing, and data cleansing activities using innovative tools and approaches to organize qualitative and quantitative data for analysis.Ability to take initiative and work independently while maintaining excellent communication with project leadership.Required SkillsBachelor’s degree in computer science, information systems management, mathematics, engineering, or other relevant discipline. Masters’ degree preferred.6+ years of professional experience in business intelligence, data analytics, or similar roles.Advanced Python skills for building modular, maintainable ETL pipelines purely in PythonExperience with Jupyter NotebooksExperience writing and reading Parquet files using Pandas and PyArrow or FastParquetAbility to understand and translate SQL/Postgres-based logic into Python-based workflowsAbility to work with a variety of structured and unstructured data formatsStrong grasp of data architecture and performance optimization (partitioning, compression, schema design)Experience collaborating with BI teams to deliver data models that meet reporting requirementsAbility to query created data and provide ad-hoc reportingPossession of excellent oral and written communication skills; demonstrated ability to clearly communicate technical concepts to both technical and non-technical users.Desired SkillsExperience with data validation/testing frameworksHigh-level understanding of Power BI consumption needs and data formatsAbility to obtain and maintain DHS Suitability (EOD).Prior consulting or program support experience with DHS, CISA, or other federal cybersecurity organizations.Location: Remote (100% Telework)Desired Start Date: 8/31/2026Salary Range: $95,000-$115,000LGI carefully considers various factors when determining salary, including but not limited to education and training, professional experience, knowledge, skills and competencies, licensure and certifications, contract-specific affordability, and organizational requirements. New employees are not usually hired at the top of the estimated salary range and salary decisions depend on the circumstances and factors for each case. Salary is only one aspect of LGI’s generous total compensation package.Federal Contracts: This position involves working on federal contracts that require all workers on the contract to be U.S. Citizens. Additionally, some contracts may require the ability to obtain a security clearance.LGI is committed to the full inclusion of all qualified individuals. As part of this commitment, we will ensure that persons with disabilities are provided reasonable accommodations for the hiring process. If reasonable accommodation is needed, please contact talent@lafayettegroup.com.Job SummaryLafayette Group provides equal employment opportunities to all persons and prohibits employment decisions based on race, religion, color, creed, national origin, sex, age, disability, political affiliation, protected veteran status, or sexual orientation.Equal Opportunity Employer, Including disabled and veteransRead More