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Software Engineer SME

Leidos

$126,100 - $227,950
Nov 7, 2025
Gaithersburg, MD, US
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Leidos is looking to solve the problem of delivering mission-critical, modern software solutions across their customer's enterprise using Agile, DevSecOps, and cloud-native methodologies.

Requirements

  • Proficient with the following technologies: Web: HTML, CSS, JSON, Ajax, and REST APIs
  • Object-oriented Programming: Python, Java, and JavaScript
  • Advanced Programming: Go
  • Front-end and Back-end Frameworks: React, Angular, Vue.js, jQuery, Spring Boot, Django, Node.js, Flask, or Svelte.
  • Cloud Development: AWS, Azure, or similar cloud platforms
  • Relational Database: MySQL, PostgreSQL, or SQL Server
  • Operating System: Windows, Linux
  • Version Control System: Git

Responsibilities

  • Serve as the lead software engineer and technical advisor for mission applications under the Chinook program.
  • Design, build, and maintain enterprise-grade microservices and APIs that support GEOINT data workflows.
  • Lead agile development sprints, provide guidance on architectural decisions, and enforce DevSecOps best practices.
  • Build and optimize containerized applications for deployment in classified AWS (C2S/GovCloud) or IC ITE environments.
  • Collaborate with customer stakeholders, analysts, and development teams to translate mission needs into software solutions.
  • Ensure solutions comply with customer and IC-wide cybersecurity, data governance, and open standards (OGC, NSG, etc.).
  • Mentor junior engineers, provide code reviews, and contribute to technical roadmap and documentation.

Other

  • Must have a Top Secret with SCI eligibility and able to obtain a Polygraph.
  • US citizenship is required per contract.
  • Bachelor's degree in Computer Science, Software Engineering, or related field and 12-15 years of prior relevant experience or Master’s with 10-13 years of prior relevant experience.
  • Ability to work in one of the following locations: Gaithersburg, MD, Alexandria, VA, Chantilly, VA, Aurora, CO, St. Louis, MO, Tucson, AZ
  • Clearance Level Required