Data Engineer
Tech Mirrors
Role :- Data Analyst Location :- McLean VA, (Onsite) Duration :- 12+ Months Need local candidate only. Job Description:- Must Have Qualifications: Manager is looking for candidates who have 7-10+ years of experience and must be strong in Power BI and Python. The ideal candidate must have working knowledge of Python, SQL, Power BI, and Snowflake, develop Power BI dashboards, and write SQL queries. Must have familiarity in AI and Copilot. Job Description: Role Summary We are seeking a Senior Data Analytics Contractor to deliver end-to-end analytics solutions across modern data platforms. You will build and optimize datasets in SQL Server, Snowflake, and Microsoft Fabric, develop analytics in Python, and deliver executive-ready insights through Tableau and Power BI. You will also leverage Microsoft Copilot and other AI-assisted tools to accelerate analysis, development, documentation, and stakeholder support—while applying strong validation, governance, and data quality practices. Key Responsibilities • Gather requirements, define KPIs, and translate business needs into scalable analytics deliverables (datasets, semantic models, dashboards, and insights). • Write and optimize advanced SQL across SQL Server, Snowflake, and Microsoft Fabric (Warehouse/Lakehouse). • Design and maintain analytics-ready data models (dimensional/star schemas, curated layers, reusable views/tables). • Build, enhance, and performance-tune dashboards and reporting in Power BI (DAX, Power Query, semantic models) and Tableau. • Use Python (e.g., pandas, NumPy; optional scikit-learn/statsmodels) for data wrangling, statistical analysis, forecasting, experimentation support, and automation. • Implement data validation and quality controls (reconciliation, anomaly checks, refresh monitoring, metric certification). • Develop within Microsoft Fabric using relevant components (e.g., notebooks, Dataflows Gen2, pipelines, Lakehouse/Warehouse, semantic models) as applicable. • Leverage Microsoft Copilot and AI tools (e.g., Copilot for Power BI/Fabric/M365 and other approved assistants) to: • accelerate SQL/DAX generation and refactoring, • speed up dashboard prototyping and narrative insights, • draft documentation and data dictionaries, • support stakeholder Q&A and self-service enablement, while ensuring correctness through testing and peer/stakeholder validation. • Communicate findings clearly, create concise executive narratives, and recommend actions backed by data. • Maintain documentation for metric definitions, logic, lineage, and operational runbooks to support handoff. Required Skills & Experience • 7 – 10+ years in data analytics/BI/consulting (or equivalent senior-level experience). • Advanced SQL expertise (CTEs, window functions, complex joins, query tuning). • Strong experience with SQL Server (T-SQL) and performance optimization. • Experience with Snowflake (warehouse concepts, optimization/cost awareness, security basics). • Hands-on experience with Microsoft Fabric (Lakehouse/Warehouse concepts; pipelines/dataflows/notebooks; semantic modeling). • Strong dashboard development skills in Power BI (DAX, modeling, performance) and Tableau. • Proficiency in Python for analytics and automation. • Demonstrated ability to use AI-assisted tools productively with appropriate guardrails (validation, privacy, reproducibility). • Excellent stakeholder management, communication, and independent delivery skills. #J-18808-Ljbffr
- ...this sounds like the choice you want to make, then choose MITRE - and make a difference with us.Department Summary:MITRE’s Data Science and Engineering department is looking for qualified applicants to bring their advanced data engineering skills to bear on solving...SuggestedInternshipLocal area
- ...Technology and Business consulting services. We are in search of a highly motivated candidate to join our talented Team. Job Title: Data Engineer. Location: McLean, VA. Overview:We are seeking a highly skilled Sr. Data Engineer to join our team in McLean, VA. The ideal...SuggestedLocal areaRemote work
$62k - $141k
Data Engineer, MidThe Opportunity:Ever-expanding technology like IoT, machine learning, and artificial intelligence means that there’s more structured and unstructured data available today than ever before. As a data engineer, you know that organizing big data can yield...SuggestedFull timeContract workPart timeWork at officeLocal areaRemote work$62k - $141k
Data EngineerThe Opportunity: Ever-expanding technology like IoT, machine learning, and artificial intelligence means that there’s more... ...unstructured data available today than ever before. As a data engineer, you know that organizing data can yield pivotal insights when it...SuggestedFull timeContract workPart timeWork at officeLocal areaRemote work- DescriptionSAIC is seeking an experienced Data Engineer. Work directly with customers in a technical role to help ensure smooth adoption of the Crucible platform and develop cutting-edge solutions using the Crucible platform.· Spec, build, test and deploy customized mission...Suggested
$84.4k - $140.6k
Position Summary Deloitte is seeking a Data Engineer II to support the design, development, and delivery of data solutions that enable analytics, reporting, and business decision-making. This role will focus on building scalable data pipelines, improving data quality...- Overview LMI is seeking a skilled Data Management Engineer to support Army logistics data management through enterprise data governance, data quality, data modeling, metadata management, and executive decision support. Successfully demonstrate competency in project...Full timeWork at office
$125k - $160k
...today’s rapidly evolving technology landscape, an organization’s data has never been a more important aspect in achieving mission and... ...Design and DevSecOps.ContributionsWe are looking for seasoned Data Engineer to work with our team and our clients to develop enterprise...$89k - $148k
Job Family:Data Science & AnalysisTravel Required:Up to 10%Clearance Required:Ability to Obtain Public TrustWhat You Will Do:Guidehouse seeks a Data Engineer with some AI experience to support in building, optimizing, and maintaining data pipelines, AI solutions, and analytics...Full timeFlexible hours$110.7k - $174.6k
Position Summary Our Deloitte AI & Engineering team to transform technology platforms, drive innovation, and help make a significant... ..., and fuel growth through innovation.Work You’ll DoAs a Lead Data Engineer II on the AI & Data team, you will be responsible for:...Local area$76.1k - $136.7k
...training and more. Join us to drive positive, lasting change that moves missions and the government forward. Job Description As a Data Engineer at the Senior Analyst level, you will be a key contributor to the team responsible for building and maintaining the data...Work at officeLocal area$197.3k - $225.1k
...Lead Data Engineer - Nexus Data ProductsDo you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive, and iterative delivery environment? At Capital One, you'll be part of a big group...Full timePart timeInternshipH1bLocal area$125k - $180k
cBEYONData + SMX is seeking a Senior Data Engineer to join our team in support of a Modernized Data Science Platform for a Federal customer. This role will support IT transformation and modernization efforts by designing, building, and delivering data-driven solutions that...Contract workWork experience placementH1b2 days per week$132k - $198k
...Lead Data EngineerAt Two Six Technologies, we build, deploy, and implement innovative products that solve the world's most complex challenges... ...Technologies is seeking an experienced and motivated Lead Data Engineer to work within a cross-functional development team focused on...Contract workWork at officeLocal area- ...The Data Environments and Engineering Department (L176) in the Data and Human Centered Solutions Innovation Center is seeking highly motivated, adaptive, and enthusiastic candidates with a wide variety of interests and a foundation of skills in systems engineering, software...
- ...Lead Data Engineer Locations: Richmond - VA / McLean - VA / Plano - TX / Chicago - IL / NYC - NY / Wilmington - DE (Preferred Location; Hybrid Role; Needs to work 3 days from Office in a week) Job Type: Long Term Contract Responsibilities: Lead the design...Long term contractWork at office
$179.4k - $204.7k
...Lead Data Engineer EPTech's Enterprise Consumer Products team transforms customer experiences, and the platforms that enable them, at the optimal time through the preferred channel, to empower 100+ million customers on their financial journeys and beyond. Do you...Full timePart timeInternshipH1bLocal area- ...Nestlé IT & Digital Americas seeks a Data Product Expert to own and evolve our enterprise data lake as a product. You will balance technical depth with business fluency, partnering across functions to deliver reliable, secure, cost-efficient data services aligned to Nestl...
- ...Capital One is seeking a Lead Data Engineer to drive data engineering initiatives in a fast-paced environment. You will collaborate with Agile teams to design, develop, test, and support full-stack data solutions, leveraging Java, Python, Scala, and cloud services. You...
$120k - $170k
OverviewSteampunk wants you to join our awesome team as a Senior Data Visualization Engineer. In this role you'll be working with a large team of Steampunk and clients to identify data sources, tools, and mission challenges that can all be brought together to create decision...- ...level with required Polygraph.Build Mission-Critical Geospatial Data and Analytics CapabilitiesThis role is built for a cleared... ...Bachelor’s degree in Geography, GIS, Computer Science, Data Science, Engineering, or a related technical discipline.12+ years of professional...Full timeWork at office
- ...services. We are in search of a highly motivated candidate to join our talented Team.Job Title: Senior Data EngineerLocation: McLean, VA (Remote)Summary: Our Data Engineering team is dedicated to integrating our client data and applications with client infrastructure. We...Remote work
$125k - $165k
...today’s rapidly evolving technology landscape, an organization’s data has never been a more important aspect in achieving mission and... ...DevSecOps.ContributionsWe are looking for seasoned Senior Data Engineer to work with our team and our clients to develop enterprise grade...- ...Advisory practice. Responsibilities:Leverage a variety of modern big data tools / approaches to solve complex business objectivesDevelop... ...:A minimum of five years of technical data engineering experience; U.S. Federal government consulting experience preferredBachelor...Local area
$98.72k - $123.4k
...vital partner for health solutions in the public sector. Job Summary and Responsibilities Acentra Health is looking for a Data Engineer, Mid to join our growing team. Job Summary: ~ The purpose of this position is to design, develop, and maintain...Contract workLocal area$132.1k - $178.8k
...process, analyze, access and consume accurate and timely financial data. The team supports the global accounting organization and... .... Key job responsibilities Working with stakeholders and other engineering teams to identify and scope the right data architecture and technology...Flexible hours- ...Quantitative Analytics/Big Data Developer/Data Engineer Senior Freddie Mac’s Single-Family Division is currently seeking a Quantitative Analytics/Big Data Developer/Data Engineer Senior to implement Big Data tools and methods of data processing and ingestion as a member...Work experience placement
- ...Data EngineerLocation: McLean, VA (Tuesday and Wednesday onsite)Duration: 6+ Months contract (with possible conversion)Job Description:Cleanse, manipulate and analyze large datasets (Structured and Unstructured data – XMLs, JSONs, PDFs) using Hadoop platform.Develop Python...Contract work
- ...ApplyLogic Consulting Group, LLC in Northern Virginia is seeking a Data Engineer IV to design, implement, and support enterprise data solutions for a Federal Government client. You will lead data pipelines, ETL/ELT, and data integration across systems, ensuring reliability...
- ...Data EngineerRemote Rate: $60-$70/Hr. on W2 (Without Benefits) and $80/Hr. on C2C (A.I) Clint- Palantir Video Mode RequiredQualifications Experience:7–10+ years of progressive enterprise data engineering, data migration, or large-scale system integration experience in...Work experience placement
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