Lead Software Developer

Looking for an opportunity to make an impact?

At Leidos, innovation is at the heart of everything we do. Powered by a team as diverse as it is talented, we're driven by a shared passion for delivering bold solutions that fuel our customers' success. We believe in empowering our people, giving back to our communities, and leading with sustainability. Every action we take is grounded in integrity and a steadfast commitment to doing what’s right—for our customers, our teams, and the world around us. Our Mission, Vision, and Values aren't just words—they're the compass guiding our journey toward a brighter future.

If this sounds like the kind of environment where you can thrive, keep reading!

The National Security Sector technology-enabled services and mission software capabilities for defense and intel customers in the areas of cyber, logistics, security operations, and decision analytics.

Are you ready for your next career challenge?

Leidos National Security Sector (NSS) is seeking a highly motivated Lead Software Developer to support our Agile DevSecOps program and provide the FBI with software development expertise.

Primary Responsibilities:

• Support collaborative system delivery through configuration management, automated building, automated testing, automated deployment, and automated monitoring and notification.

• Create and maintain code comments or inline documentation where necessary to improve the readability of the code.

• Support government personnel in the creation, modification, and documentation of all enhancement efforts, including system design documents, standard operating procedures, operations and maintenance manuals/procedures, software development plans, and related documentation.

• Deliver solutions using repeatable infrastructure as code (IaC), controlled by configuration management; promoting higher quality systems that can operate in heterogeneous processing environments.

• Use a Continuous Integration/Continuous Deployment (CI/CD) pipeline for automated software deployments to demonstrate software efficiencies, automated testing, change management process, and security compliance.

• Develop, maintain, and improve software systems using cloud-native development approaches, utilizing the backend and frontend technologies

• Design, develop, deliver, and maintain software systems that conform to Section 508 of the Rehabilitation Act, as amended by the Workforce Investment Act of 1998 (P.L. 105-220).

• Utilize and have experience with Agile project management software such as Jira and Confluence to enable teams to dynamically plan, track, document, and manage workflows and system reference material.

• Perform user interface, user experience, and front-end design while expediting the requirements and customer approval process by high fidelity mockups.

Basic Qualifications:

• BS degree and twelve (12) years of overall experience in Software Development. (additional experience, education and training may be considered in lieu of degree)

• Experience in providing technical leadership on major software development tasks.

• Experience providing strategic advice, technical guidance and expertise to other software developers.

Preferred Qualifications Experience with any of the following:

• Object-oriented programming using Microsoft Visual Studio and the .NET Framework

• C#, VB.NET, and C++ programming languages, including use of WCF, Entity Framework, XML/XSD, and REST API

• Third-party software components such as DevExpress and Northwoods GoDiagram

• TeamCity and Octopus for automating software build deployments

• Artifactory

• InstallShield for packaging and deploying Windows desktop applications

• PowerShell

• Microsoft SQL Server 2019 and 2022

• Software unit testing tools such as NUnit

• Automated software integration testing tools such as SpecFlow or Reqnroll

• Automated software UI testing tools such as SmartBear TestComplete

• Microsoft Azure DevOps for managing user stories and system capabilities

• Secure communications using X509 certificates; implementing STIGs

• Security scanning tools such as Fortify and AppDetective

Clearance Required:

• Current Secret.

Come break things (in a good way). Then build them smarter.

We're the tech company everyone calls when things get weird. We don’t wear capes (they’re a safety hazard), but we do solve high-stakes problems with code, caffeine, and a healthy disregard for “how it’s always been done.”

Original Posting:

July 30, 2025

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $126,100.00 - $227,950.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.