{"id":3584654,"url":"https://alion.io/job/booz-allen-hamilton-data-engineer-senior-15","title":"Data Engineer, Senior","company":{"id":244,"name":"Booz Allen Hamilton","domain":"boozallen.com","url":"https://alion.io/company/booz-allen","size_band":"5000+","is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":84,"open_postings":184,"ghost_share":0.005,"stale_share":0.603,"repost_share":0.038,"time_to_fill_p50_days":30,"computed_at":"2026-11-03T05:54:40Z"}},"role":"Data Science","role_family":"Data Science","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["McLean, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":77600,"max":176000,"currency":"USD","period":"year","gross":null,"usd_annual":176000},"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"Amazon S3","optional":false},{"name":"AWS","optional":false},{"name":"AWS Lambda","optional":false},{"name":"CI/CD","optional":false},{"name":"Databricks","optional":false},{"name":"ETL/ELT","optional":false},{"name":"GitHub Actions","optional":false},{"name":"pySpark","optional":false},{"name":"Python","optional":false},{"name":"Spark","optional":false},{"name":"SQL","optional":false},{"name":"Dimensional Modeling","optional":true}],"status":"live","first_seen_at":"2026-10-30T00:00:00Z","employer_posted_date":"2026-10-30","last_verified_at":"2026-11-03T04:30:45Z","board_verified":true,"closed_at":null,"days_open":4,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":4},"description":"Data Engineer, SeniorThe Opportunity:\nAs a data engineer, you know that well-designed data pipelines are the foundation for turning complex data into actionable insights. We’re looking for a data engineer like you to help build and modernize scalable data solutions that support mission-critical applications and analytics.\nAs a data engineer on our team, you’ll design, develop, and maintain data pipelines and automated data workflows using modern cloud and data engineering technologies. You’ll work across technical teams to integrate data from multiple sources, transform and optimize datasets, and deliver reliable data products that support business and mission needs.\nYou’ll have the opportunity to work with technologies such as Databricks and AWS, while applying modern engineering practices to automate and streamline data delivery. You’ll collaborate with data engineers, software developers, architects, and client stakeholders to solve complex data challenges and continuously improve the platform. Due to the nature of work performed within this facility, U.S. citizenship is required.\nWhat You’ll Work On:\nDesign, develop, test, and maintain scalable data pipelines and data processing workflows.\nBuild data solutions using Databricks, including data transformation, processing, and orchestration.\nDevelop automated workflows to improve the reliability, efficiency, and repeatability of data processing.\nIntegrate data from multiple sources and formats into enterprise data platforms.\nDevelop and optimize data transformations using SQL and Python.\nTroubleshoot data pipeline issues and identify opportunities for performance and reliability improvements.\nCollaborate with software developers, data engineers, architects, and stakeholders to comprehend requirements and deliver technical solutions.\nApply Agile development practices, version control, testing, and CI/CD throughout the software development lifecycle.\nWork with us to use data for good.\nJoin us. The world can’t wait.\nYou Have:\n5+ years of experiencein data engineering, database development, or data warehousing\nExperience with SQL, including complex queries, joins and aggregations, CTEs, window functions, query optimization, and performance tuning, and relational databases, including database development, troubleshooting, and performance tuning\nExperience developing and maintaining data pipelines using Python, and Apache Spark or PySpark for processing and transforming large datasets, including performance optimization and troubleshooting\nExperience with data engineering platforms such as Databricks\nExperience with Amazon Web Services (AWS)and AWS data services such as S3, EMR, Glue, Lambda, or NoSQL databases\nExperience with CI/CD pipelines, including using platforms such as GitHub Actions, including automated builds, testing, deployment, and promotion across environments\nKnowledge of database design principles, and data warehousing concepts, including ETL/ELT, fact and dimension tables, star and snowflake schemas, slowly changing dimensions, data integration, and incremental data processing\nAbility to independently troubleshoot data pipeline failures, data issues, performance problems, and production incidents, and identify appropriate root causes and corrective actions\nPublic Trust\nBachelor's degree in CS\nNice If You Have:\nExperience with data lake or Lakehouse architectures\nExperience with DevSecOps practices\nExperience working in federal or otherhighly regulated environments\nKnowledge of data modeling, including conceptual, logical, and physical data models, dimensional modeling, and designing models to support analytics and reporting requirements\nAbility to contribute to technical design and architecture discussions, evaluate implementation approaches, and develop scalable, maintainable, and reliable data engineering solutions\nAbility to effectively use AI-assisted development tools for development productivity, code generation and review, troubleshooting, SQL and Spark optimization, documentation, and accelerated learning while following organizational security and data-protection standards\nVetting:\nApplicants selected will be subject to a government investigation and may need to meet eligibility requirements of the U.S. government client; Public Trust determination is required.\nCompensation\nAt Booz Allen, we celebrate your contributions, provide you with opportunities and choices, and support your total well-being. Our offerings include health, life, disability, financial, and retirement benefits, as well as paid leave, professional development, tuition assistance, work-life programs, and dependent care. Our recognition awards program acknowledges employees for exceptional performance and superior demonstration of our values. Full-time and part-time employees working at least 20 hours a week on a regular basis are eligible to participate in Booz Allen’s benefit programs. Individuals that do not meet the threshold are only eligible for select offerings, not inclusive of health benefits. We encourage you to learn more about our total benefits by visiting the Resource page on our Careers site and reviewing Our Employee Benefits page.\nSalary at Booz Allen is determined by various factors, including but not limited to location, the individual’s particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements. The projected compensation range for this position is $77,600.00 to $176,000.00 (annualized USD). The estimate displayed represents the typical salary range for this position and is just one component of Booz Allen’s total compensation package for employees. This posting will close within 90 days from the Posting Date.Identity Statement\nAs part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during interviews and assessments. We reserve the right to take your picture to verify your identity and prevent fraud.\nCandidate AI Usage Policy\nAI is a part of our daily work at Booz Allen, and we are committed to the responsible and ethical use of AI tools. However, we want to ensure a fair candidate process based on your own skills and knowledge. As part of this commitment, the use of artificial intelligence (AI) or other tools to assist with responses during interviews (whether in-person or virtual) is prohibited unless permission is explicitly provided.\nWork Model\nOur people-first culture prioritizes the benefits of collaboration. To support engagement and effective communication, employees working virtually are generally expected to have their cameras on during meetings.\nRemote: If this position is listed as remote, there may still be occasions when you are required to work in person at a Booz Allen or customer facility.\nHybrid: If this position is listed as hybrid, you will be expected to work from a Booz Allen or customer facility, in alignment with your leadership's expectations and the needs of the role.\nOnsite: If this position is listed as onsite, work will primarily be performed full-time at a customer facility, where employees will collaborate directly with colleagues and customers as required by the role.\nCommitment to Non-Discrimination\nAll qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran or any other status protected by applicable federal, state, local, or international 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