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Leidos

Principal Software Engineer

Leidos

Published 28 Apr 2026
Arlington, TX, USA
131K - 237K USD Annual
Full Time

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Role Highlights

Languages used

C++
Java
Python

Key skills

AI
Computer Science
Integrations
Data Processing
Relational Database
Data Structures
SDLC
Control Systems
Software Testing
Embedded
Agile
Scrum
Transformation
Deployment
Operations
Automation
Modelling
Security
Frontend
Gaming
DataSets

Tools, Libraries and Frameworks

SQL Server
MS SQL
MS SQL Server
Linux
Jira
Confluence
Jenkins
Oracle
MySQL
PostGres
MariaDB
Docker
Kubernetes

Description

The role involves designing, building, and testing software for unmanned and autonomous maritime platforms. The engineer will lead projects of national importance, guiding the transformation of existing vessels into autonomous systems. Responsibilities include analyzing and coding new features, participating in the full software development lifecycle, and mentoring junior team members. The position requires engaging with stakeholders to communicate technical progress and risks. Additionally, the role involves performing peer reviews to ensure code quality and driving continuous process improvement.

Required Qualifications and Skills

Candidates must possess a Bachelor’s degree in a STEM field with at least 12 years of experience, or a Master’s degree with at least 10 years of experience. Proficiency in C++ and the Linux operating system is required, along with an understanding of data structures and configuration management tools. The role necessitates significant experience in team environments, including coaching and technical leadership. Applicants must have the ability to obtain and maintain a Secret Security Clearance.

Disclaimer

Disclaimer: Job and company description information and some of the data fields may have been generated via GPT-4 summarisation and could contain inaccuracies. The full external job listing link should always be relied on for authoritative information.

About the company

Leidos

Size

33167

Founded

HQ

Reston, US

Public/Private

Public Company

Description

Leidos is a Fortune 500® innovation company rapidly addressing the world’s most vexing challenges in national security and health. Our 47,000 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. Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®. Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos. Your most important work is ahead, visit careers.leidos.com for our latest opportunities.

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