Senior Software Development Engineer in Test (SDET)

CACI International Inc.; Denver (CO); On-site; USD 99,000 - 207,000; Full time

Job summary

CACI International Inc. is seeking a Senior Software Development Engineer in Test (SDET) to design and implement automated testing for mission-critical, cloud-based RF systems.

You will work with RF hardware engineers and software teams to ensure high performance and reliability, delivering robust test plans and continuous improvements. The role requires a TS/SCI clearance, 5+ years of software engineering experience, and strong automation skills using Postman, Selenium, and CI/CD tools.

Qualifications

• US citizen with active TS/SCI eligibility.
• 5+ years of software engineering experience.
• Bachelor's degree in computer engineering or computer science.
• Hands-on with test automation tools such as Bruno and Postman.
• Exposure to API testing and related tools.
• Comfortable in a Linux environment and with Java/JavaScript.
• Experience with acceptance, functional, and API testing.
• Proficient with GitLab, Jenkins or similar CI/CD workflows.
• Familiar with JIRA and Confluence for tracking and collaboration.
• Desirable: Selenium, Cypress, Python, Docker, Kubernetes, ArgoCD.

Responsibilities

• Design and develop automated tests for software architectures in a cloud RF environment.
• Create interfaces, test plans, and execute tests across manual and automated regimes.
• Identify defects and provide clear reproduction steps and severity assessments.
• Collaborate with RF hardware engineers and system designers to ensure quality.
• Document results, track quality metrics, and communicate risks to leadership.

Skills

Java

JavaScript

API testing

Acceptance testing

Functional testing

Linux

CI/CD

Documentation

Education

Bachelor's degree in computer engineering or computer science

Tools

Bruno

Postman

GitLab

Jenkins

JIRA

Confluence

Selenium

Cypress

Python

Docker

Kubernetes

Helm

ArgoCD

Job description

Job Title: Senior Software Development Engineer in Test (SDET)Job Category: EngineeringTime Type: Full timeMinimum Clearance Required to Start: TS/SCIEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of Travel: LocalAnticipated Posting End: 3/1/2027The Opportunity:CACI is looking for a Software Development Engineer in Test (SDET) to develop and test innovative applications and technologies, which will enable a multidisciplinary engineering team to meet the requirements of a mission critical force protection system. The chosen engineer is responsible for designing and developing automated testing for software architectures in a cloud-based RF environment. This role involves adhering to technical standards, engineering for quality and ensuring the seamless integration of software and components with complex RF solutions. The Software Engineer will work closely with RF hardware engineers, system designers, and other stakeholders to deliver high-performance, reliable RF system simulation system. The Software Engineer will communicate risks and opportunities with the program executive leadership.Responsibilities:You will be responsible for helping ensure the quality, reliability, and performance of our system. In this role, you will design and develop applications, create interfaces, create and execute test plans, identify defects, collaborate closely with other developers, and develop a continuous improvement plan for our testing processes. You will work across manual and automated testing, balance thoroughness with delivery timelines, and help raise the overall quality bar.Qualifications:Required:Must be a US citizen and have an active Top Secret clearance with SCI eligibility5+ years of software engineering experience is required and Bachelor's Degree or higher in computer engineering or in a field related to the computer engineering or computer science disciplines.Hands-on experience with test automation tools/frameworks such as Bruno, Postman.Exposure to API testing and related tools.Comfortable working in a Linux environment.Experience with Java, JavaScript, Linux.Experience with acceptance testing, functional testing, and API testing.Strong documentation skills: manual test cases, test procedures, requirements verification traceability matrices (RVTM), and test plans.Proficient in GitLab, Jenkins or similar CI/CD workflow processes.Familiarity with JIRA and Confluence for project tracking and collaboration.Desired:Design, develop, and maintain comprehensive test plans, test cases, and test scripts aligned with requirements and specifications.Experience with Selenium, Cypress or similar.Execute both manual and automated tests, including acceptance, functional, regression, and API.Identify, document, track, verify defects, provide clear reproduction steps, expected versus actual results, and severity assessments.Analyze test outcomes, report findings, and deliver actionable feedback to developers and stakeholders.Collaborate effectively with team members throughout the software development lifecycle.Contribute to the development and enhancement of applications, test automation frameworks, increasing.Experience with the Python, Docker, Kubernetes/Helm, ArgoCDPrioritize development and testing activities to balance quality assurance with project timelines and deliverables.Maintain thorough documentation of test artifacts, results, and quality metrics.-What You Can Expect: A culture of integrity.At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation.An environment of trust.CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.A focus on continuous growth.Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy.Pay Range :There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.Since this position can be worked in more than one location, the range shown is the national average for the position.The proposed salary range for this position is:$98,500-$206,800CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.