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MANTECH seeks a motivated, career and customer-oriented Data Engineer to join our team in Chantilly, VA. The Data Engineer will leverage their development skills and experience to support the successful designing, ingesting, cleansing, transformation, loading, and display of significant amounts of data. Responsibilities Include But Are Not Limited To Designing, implementing, and optimizing data extraction, cleansing, transformation, loading, replication/distribution, and large-scale ingest systems in a Big Data environment. Optimizing all stages of the data lifecycle, from initial planning to ingest through final display and beyond. Developing custom solutions or code to ingest and exploit new and existing data sources. Developing data profiling, deduping logic, and matching logic for analysis. Organizing and maintaining Data Layer documentation while working with data scientists to craft pipelines for AI/ML workflows. Collaborating with teammates, service providers, vendors, and users to develop more efficient methods. Effectively articulating the risks and constraints associated with software solutions based on the environment. Minimum Qualifications High School Diploma with 4+ years of relevant data engineering, software development, and/or programming experience. Demonstrated data analysis, parsing, and programming language experience such as Python or Java. Significant experience with SQL and database management. Experience with the full data lifecycle, from ingest through display, in a Big Data environment. Hands-on experience with Java-related technologies, such as JDK, J2EE, EJB, JDBC, and/or Spring. Experience with RESTful APIs, data pipelining systems like Apache Airflow, and performing ETL tasks in a Linux environment. Preferred Qualifications Experience deploying systems that leverage AI/ML technology. Experience publishing results in BI dashboards. Self-starter with excellent people skills able to work across teams and drive change. Clearance Requirements An active TS/SCI with Polygraph is required for this position. Physical Requirements Must be able to remain in a stationary position 50% of the time. Needs to occasionally move about inside the office to access file cabinets, office machinery, etc. Frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations.
Here's how to pick the right one and stand out in your application.
144.883Jobs
31.687IN
81%EN
That number is real. WorkMundi's database shows 144,883 open engineer roles across the world. India has the most with 31,687 jobs, followed by the United States with 30,084. If you just finished reading one job ad and felt paralyzed by choice, you're not alone—but this scale is actually an advantage. It means you can afford to be selective.
Start by geography and language. The majority of engineer ads—117,837 of them—have the job posting text written in English. Use that as one filter, but remember: the ad text language tells you nothing about whether the role actually requires you to speak English day-to-day. Read the job description carefully. Then check which countries have the volume you're targeting. Singapore, Poland, and Australia round out the top five after India and the US.
Next, learn who's hiring. Accenture has posted 2,801 engineer roles. andurilindustries, speechify, and jobgether are also actively recruiting. If you're applying to one of these names, research their hiring patterns and interview style before you apply. That homework pays off.
When you interview, expect the question every engineer hears: 'Tell me about a time you had to debug a problem that wasn't in your job description.' Have a specific story ready—not a general one. Name the tools, the deadline pressure, and what you learned. Hiring managers listen for whether you see problem-solving as part of the role itself, not a favour.