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Senior Software Engineer (SWE-3)

LeidosHanover, MD🇺🇸United StatesPosted 20 Jul 2026

Why This Role Stands Out

Advance your career with a hybrid role at Leidos, where you'll develop innovative solutions for national security challenges and enjoy competitive compensation and extensive benefits. You'll thrive here if you're a seasoned software engineer eager to collaborate, continuously learn, and make a significant impact. Apply now to join a forward-thinking team and contribute to critical missions.

Quick Overview

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

Job Description

Senior Software Engineer | Hanover, MD, United States | Hybrid | $107,900.00 - $195,050.00

We're hiring for a leading technology and solutions provider serving government and commercial customers, known for its innovative digital and mission solutions. This organization fosters a culture of pushing boundaries and outthinking the status quo, driven by a mission to make a significant impact in national security. They offer a dynamic environment where challenging assignments enable professional and personal growth.

The Role

  • Work directly with data scientists and mission analysts to solve complex strategic problems.
  • Perform end-to-end software engineering, including prototyping, development, integration, testing, and deployment of tools and tradecraft.
  • Create custom analytics to perform at scale, developing innovative tools for discovery and tradecraft.
  • Focus on operationalizing data science to deliver cutting-edge solutions for critical global challenges.
  • Collaborate in a fast-paced environment focused on rapid prototyping, new development, and advanced technology research.

What You'll Need

  • Bachelor's degree plus a minimum of eleven (11) years of relevant experience.
  • Strong experience with Jupyter Notebooks, Java MapReduce, and Python PySpark.
  • Proficiency with statistical analysis, machine learning fundamentals, and customer-specific tools and architecture.
  • Experience with Jira, Confluence, Gitlab, and Agile methodologies.
  • Must possess an active TS/SCI with Polygraph security clearance.
  • Experience with software development processes from requirements analysis through maintenance.

What's On Offer

  • Competitive salary range of $107,900.00 - $195,050.00.
  • Comprehensive benefits package including Paid Time Off and 11 paid holidays.
  • 401K with a 6% company match and immediate vesting.
  • Opportunities for technical upskilling, education, and training support.
  • Flexible scheduling and parental paid leave options.

Apply via Haystack today!

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