To our valued Leidos candidates:

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Job #: R-00091026
Location: McLean, VA
Category: Data Scientist
Schedule (FT/PT): Full Time
Travel Required: No
Shift: Day
Clearance: Top Secret/SCI with Polygraph
Referral Eligibility: Eligible
Referral Bonus Amount: $5000
Group: Intelligence

This job posting is no longer active.

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Job Description:

Leidos is looking for a skilled data scientist with experience in data pipelining, cloud, and Apache Spark. This position is located in Mclean and requires an active TS/SCI with Polygraph.

The Sponsor’s organization provides technical solutions and capabilities that enable a cadre of analysts to make critical assessments, including a platform to conduct enterprise search, digital forensics, and data analytics. The Sponsor’s organization is building a modern cloud-based system to replace a legacy standalone system and requires an infrastructure team that can work in a quick-paced, dynamic, agile software development environment. The Sponsor adheres to Agile Scrum development methodology best practices and has 2 week sprint cycles. The Contractor team shall work with a variety of individuals, including key stakeholders and other development teams. However, the Sponsor project manager will manage priorities. They will document and maintain code and workflows such as version control systems/code repositories, task management tools, and open source-style contribution models and issue tracking and manage the operating system lifecycle (to include operating system upgrades, updates, patches, and configuration changes) and other duties requiring in-depth knowledge of server hardware and software technologies. Also responsible for setting user permissions (including roles) and troubleshooting permission issues.

Mandatory Skills:

  • Requires BS degree and 12 – 15 years of prior relevant experience or Masters with 10 – 13 years of prior relevant experience. May possess a Doctorate in technical domain.

  • Demonstrated experience working with an AWS cloud environment.

  • Demonstrated experience understanding and implementing system security requirements.

  • Demonstrated experience creating a testing environment to identify and improve bugs and efficiencies.

  • Demonstrated experience programming in Python, PowerShell, and Java 8+.

  • Demonstrated experience using Python and the PySpark library to read, write, and manipulate large structured and semi-structured datasets.

  • Demonstrated experience using task tracking and version control technology to include JIRA and GitHub.

  • Demonstrated experience using SQL and database technologies such as MySQL or SQL server.

  • Demonstrated experience using and managing ElasticSearch clusters.

  • Demonstrated experience tuning and optimizing ElasticSearch.

  • Demonstrated experience creating and managing ElasticSearch indices.

  • Demonstrated experience with Apache Spark and managing Spark clusters.

  • Demonstrated experience tuning and optimizing Apache Spark.

  • Demonstrated experience with the Databricks platform and Databricks API & CLI.

  • Demonstrated experience understanding Hadoop Distributed File System (HDFS).

  • Demonstrated experience understanding Databricks File System (DBFS).

  • Demonstrated experience with infrastructure as code (IaC) technologies including AWS Cloud Formation.

  • Demonstrated experience using automated build tools such as Jenkins.

  • Demonstrated experience implementing machine learning models on text and multimedia data such as Spark NLP and Computer Vision models.

  • Demonstrated experience with Linux operating systems and shell scripting such as Bash.

  • Demonstrated experience developing machine learning models on text data and structured datasets.


  • Bachelor’s degree in Engineering, Computer Science, Mathematics, Data Science, Statistics, or related field or equivalent work experience.

  • Demonstrated professional experience with cloud technology networks, digital forensics, or cybersecurity topics.

  • Demonstrated experience using artificial intelligence and machine learning technologies/packages.

  • Demonstrated experience using data pipelines and workflow technologies.

Pay Range:

Pay Range $113,100.00 - $174,000.00 - $234,900.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

About Leidos

Leidos is a Fortune 500® technology, engineering, and science solutions and services leader working to solve the world’s toughest challenges in the defense, intelligence, civil, and health markets. The company’s 46,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Virginia, Leidos reported annual revenues of approximately $14.4 billion for the fiscal year ended December 30, 2022.  For more information, visit

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available here.

Securing Your Data

Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at [email protected].

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.

Commitment to Diversity

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

This job posting is no longer active.

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