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Senior Software Engineer (SWE-3)

LeidosCatonsville, MD🇺🇸United StatesPosted 20 Jul 2026

Why This Role Stands Out

This hybrid Senior Software Engineer role at Leidos offers a competitive salary range and the chance to develop innovative analytic tools that directly impact national security. You'll thrive here if you're driven to collaborate with data scientists and end-users, pushing boundaries in a fast-paced, mission-focused environment with excellent benefits and growth opportunities. Apply now to make a significant difference and advance your career!

Quick Overview

Salary
$107.9k - $195.1k/yr
Seniority
Mid Senior
Employment type
Full Time
Work mode
Hybrid
Location
Catonsville, MD, United States
Posted
4 weeks ago
Machine LearningAgileConfluenceJavaJiraJupyterPython

Job Description

Senior Software Engineer | Catonsville, MD, United States | Hybrid

An innovative organization operating at the forefront of national security is seeking a Senior Software Engineer to contribute to critical missions. This is an opportunity to work with cutting-edge technology, collaborate with data scientists and analysts, and develop impactful solutions for complex global challenges. The company is known for its commitment to making a real difference and fostering professional growth.

The Role

  • Develop custom analytics and innovative tools to operationalize data science.
  • Collaborate closely with data scientists and end-users to solve strategic problems.
  • Perform end-to-end software engineering, including prototyping, development, integration, testing, and deployment.
  • Contribute to rapid prototyping and advanced technology research in a fast-paced environment.
  • Work with leading-edge visualizations and analytic development to uncover new data sources and tradecraft.

What You'll Need

  • Bachelor's degree with eleven (11) years of relevant experience, or equivalent.
  • Strong experience with Python, Java MapReduce, and PySpark.
  • Proficiency with Jupyter Notebooks, statistical analysis, and machine learning fundamentals.
  • Experience with tools such as Jira, Confluence, and Gitlab, and familiarity with Agile methodologies.
  • Experience with enterprise-level software development processes and big data environments.
  • Active TS/SCI with Polygraph security clearance is required.

What's On Offer

  • Competitive salary range: $107,900.00 - $195,050.00.
  • Flexible scheduling options.
  • Opportunities for technical upskilling and education support.
  • Comprehensive benefits package including 401K with company match and paid time off.
  • A collaborative and dynamic work environment focused on innovation and mission success.

Apply via Haystack today!

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