Software Tester / Developer Engineer

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

Preferred Qualifications:

• Cloud provider certifications (AWS Certified Solutions Architect, Azure Fundamentals, Google Cloud Platform Associate) Testing certifications (ISTQB, CSTE)
• DevOps or automation-focused certifications

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares.

Original Posting:
February 5, 2026

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 $87,100.00 - $157,450.00

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.