---
title: "Principal Software Engineer TS/SCI… at Leidos – Hanover, MD"
canonical: "https://www.metaintro.com/job/principal-software-engineer-ts-sci-polygraph-at-leidos-ee177899-13d9-5218-89ff-bf41103d7b3d"
language: "en"
author: "Metaintro"
---

[![Leidos logo](/api/company-logo?url=https%3A%2F%2Fleidos.com%2Fthemes%2Fcustom%2Flp%2Fapple-touch-icon.png&sig=XXizbjLAz68l8ibycUMy9omWVaNVkQrhpl_92G4ojKs)](/company/leidos)[Leidos](/company/leidos)
# Principal Software Engineer TS/SCI Polygraph at Leidos

Compensation · Listed in posting

$154,050 – $278,475/yr

**Location**
: Hanover, Maryland

**Type**
: Full-time

**Level**
: staff+

**Posted**
: May 20, 2026

## Description

Leidos is hiring a Principal Software Engineer for its National Security Sector's Cyber & Analytics Business Area. The role serves as the technical anchor for a new product feature, leading architecture and design, translating business requirements into technical designs, coordinating with Systems Engineering and an Integrated Feature Team, decomposing work into tasks, mentoring peers, and reviewing code for quality, security, and performance. The position requires a current or active TS/SCI clearance with polygraph, a bachelor's degree or higher in a relevant field, and extensive prior experience; Java, Spring Boot, SOLID principles, object-oriented design, and REST are required, while MongoDB, Docker, Kubernetes, ELK, PKI/TLS/SSL, ICAM, Confluence, and Jira are desired. The pay range is $154,050.00 to $278,475.00.

## Trending job searches

Every query opens live roles, salary samples, and market demand — tap a search to run it instantly.

- [Find Principal Software Engineer TS/SCI Polygraph jobs in Hanover, Maryland, United States](/jobs/search?q=Find+Principal+Software+Engineer+TS%2FSCI+Polygraph+jobs+in+Hanover%2C+Maryland%2C+United+States)
- [Find roles similar to Principal Software Engineer TS/SCI Polygraph in Hanover, Maryland, United States](/jobs/search?q=Find+roles+similar+to+Principal+Software+Engineer+TS%2FSCI+Polygraph+in+Hanover%2C+Maryland%2C+United+States)
- [Find remote Principal Software Engineer TS/SCI Polygraph jobs](/jobs/search?q=Find+remote+Principal+Software+Engineer+TS%2FSCI+Polygraph+jobs)
- [Find Principal Software Engineer TS/SCI Polygraph jobs with Java and Spring Boot](/jobs/search?q=Find+Principal+Software+Engineer+TS%2FSCI+Polygraph+jobs+with+Java+and+Spring+Boot)
- [Find jobs similar to Principal Software Engineer TS/SCI Polygraph](/jobs/search?q=Find+jobs+similar+to+Principal+Software+Engineer+TS%2FSCI+Polygraph)
- [Find Principal Software Engineer TS/SCI Polygraph jobs posted this week](/jobs/search?q=Find+Principal+Software+Engineer+TS%2FSCI+Polygraph+jobs+posted+this+week)
- [Find Principal Software Engineer TS/SCI Polygraph jobs paying $150,000 or more per year](/jobs/search?q=Find+Principal+Software+Engineer+TS%2FSCI+Polygraph+jobs+paying+%24150%2C000+or+more+per+year)
- [Find Developer jobs in Hanover, Maryland, United States](/jobs/search?q=Find+Developer+jobs+in+Hanover%2C+Maryland%2C+United+States)

## Get More from Metaintro

Unlock powerful job search, personalized recommendations, and deep career insights from comprehensive, market-leading data and live market signals.

- [Browse all jobs](/jobs/search)
- [Access help center](/help)
- [Explore our content](/blog)

![](https://cdn.metaintro.com/rs:fill:1200:800/q:30/plain/images/bridges/bridge-expand.1df895c6bd76d96f.png)

For job seekers

## Ready to find a role that actually fits?

Upload your résumé, start a Job Search Thread, and let Metaintro rank real openings against your experience — then guide you from search to offer.

[Get Started Free](/signup)[Search matching jobs](/jobs/search)

Match

Compare live roles against your current evidence.

Position

Turn proof projects into role-specific applications.

Improve

Use market feedback to keep the skill plan current.

[Return to navigation](#main-navigation)