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Leidos

Sr. Software Architect

Leidos

Published 13 May 2026
San Diego, CA, USA
131K - 237K USD Annual
Full Time

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Role Highlights

Languages used

CMake
Perl
Ruby
Python

Key skills

Computer Science
Integrations
CICD
Information Systems
QA
Software Design
Data Processing
System Design
Operating Systems
Software Architect
Security Engineer
Program Management
Operations
Modelling
Agile
Testing
Infrastructure
Interfaces
Research
Compilers
Architecture
Hosting
Deployment
Database
RDBMS
Scripting
Scrum

Tools, Libraries and Frameworks

SQL Server
MS SQL
MS SQL Server
Visual Studio
Git
GitLab
MySQL
Oracle

Description

The Senior Software Architect leads the development of new capabilities for a complex, high-performance system. This role oversees a team of developers, drives high-level architectural decisions, and manages the full software development process in an Agile environment. The architect collaborates with program management, integration, testing, and information assurance teams to serve as the technical expert for system design. Responsibilities include defining architectural direction, evaluating requirements against constraints, and establishing strategies for application monitoring, infrastructure, and interfaces. The role also involves designing, documenting, and testing software applications while managing change and controlling system complexity.

Required Qualifications and Skills

Candidates must possess a Bachelor’s degree in Computer Science, Software Engineering, Information Systems, or a related field with at least 12 years of experience, or a Master’s degree with at least 10 years of experience. Additional experience may be substituted for a degree. Applicants are required to hold an active Secret clearance with the ability to obtain a TS/SCI and must either possess or achieve a Security+ certification within 90 days. The role requires extensive experience in designing large integrated classified systems and leading development teams. Proficiency in secure systems architecture, code analysis, and various software development, testing, and database management tools is essential.

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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