Jobs and Careers

Software Tester / Developer Engineer

Alexandria, United Statesfull_timeVerifiedPosted 16 Mar 2026

💰 $157,450/yr($87,100/yr – $157,450/yr)

About the role

At Leidos, we're not just delivering solutions – we're pioneering the future of defense and intelligence technology. Our diverse teams of innovators unite around a singular purpose: empowering our customers to succeed in their critical missions. We believe in leading with integrity, investing in our communities, and building sustainably for tomorrow.

Shape the future of digital defense.

Our Digital Modernization sector is at the forefront of next-generation technology, architecting cutting-edge solutions in cyber defense, logistics optimization, security operations, and decision intelligence. We're the minds behind the mission-critical systems that keep our nation secure.

Your opportunity to lead transformation.

We're seeking a Software Tester/Developer Engineer to pay a key role in our cloud transformation efforts for the United States Coast Guard at C5ISC in Alexandria, VA. You'll support migrations and modernization of legacy mission-critical capabilities of the Coast Guard operations to the Coast Guard’s Mission Cloud.

Ready to architect solutions that matter?

Job Description

As a Software Tester/Developer Engineer you will have the opportunity to design, development, testing, troubleshooting, and debugging of software programs for enhancements and new software-intensive systems and products. Applies appropriate principles, standards, processes, procedures and tools throughout the software development life cycle. Duties include software requirements analysis, development of software products and tools used for design, development and maintenance of infrastructure, and platforms. 

Primary Responsibilities:

Participate in program Agile initiatives to support innovation and enhancement of infrastructure automation and maintenance through iteration/functionality testing within a cloud environment.
Leverage DevOps practices to ensure repeatability and Configuration Management of test cases/scripts are maintained and continuously improved
Collaborate with team members (Scrum Master, Cloud Engineer, DevSecOps) to develop test approaches with emphasis on automation of recurring/regression test cases through selected toolsets
Develop and document end-to-end functionality test case narratives using task management system (JIRA/Confluence) and support performance testing/evaluation activities.

Basic Qualifications:

Requires BS and 4+ years of prior relevant experience or Masters with 2+ years of prior relevant experience, additional years of experience will be accepted in lieu of a degree.
Must have 3-5 years of testing experience with at least 2 years in cloud environments
Strong analytical and problem-solving abilities
Experience with Agile/Scrum methodologies
Strong scripting/programming: Bash, Python, and at least one build system (Maven/Gradle/Gradle Kotlin, npm, Bazel) and Docker image build knowledge.
Understanding of monitoring and logging tools (CloudWatch, Azure Monitor, Prometheus)
Knowledge of networking concepts (VPC, subnets, load balancers, DNS)
Proficiency in major cloud providers (AWS, Azure, Google Cloud Platform)
Understanding of cloud services architecture, networking, storage, and compute resources
Experience with cloud-native testing approaches and distributed systems testing
Proven experience implementing pipelines in Harness (CI + CD) or other modern CI/CD platforms; comfortable with visual & YAML pipeline editors.
Hands-on experience with IaC tools like Terraform, AWS CloudFormation, Azure Resource Manager, or Ansible
Ability to write, review, and test infrastructure code
Understanding of version control for infrastructure and GitOps practices
Automated testing frameworks and tools (Selenium, pytest, Jest, etc.)
API testing tools (Postman, REST Assured, SoapUI)
Performance and load testing (JMeter, LoadRunner, k6)
Multi-region and cross-availability zone testing
Compliance and security testing in cloud environments