Senior Software Development Engineer in Test (SDET)

Job ID : 5579

Date Posted : November 26 2025

Join the Space Dynamics Laboratory (SDL) team where youll contribute to groundbreaking innovations! We are seeking applicants for an experienced Senior Software Development Engineer in Test to join our Strategic Military Space Division.

The Strategic & Military Space Division delivers advanced satellite and sensor systems that support the Department of Defense and the Intelligence Community. Our division is a key component of national security providing technological solutions and expert mission support. Become part of a team dedicated to making a tangible contribution to our nations defense capabilities.

Key Responsibilities :

• Develops and continually improves regression and acceptance tests including automated tests
• Tests investigates and manages defects and discrepancies for software with and without a UI
• Provides test leadership as part of the software development teams
• Continually evaluates and helps refine internal and external customer requirements
• Develops test strategies to meet the release schedule for multiple programs
• Assists in directing student employees in the test and independent validation and verification process
• Maintains strict confidentiality of sensitive information
• Develops new test methodologies for emerging technologies

Required Qualifications :

Preferred Qualifications :

Salary commensurate based on education and experience

This range serves as a general guideline and may vary based on factors such as role level location market conditions and individual qualifications including job-related skills experience and relevant education or training. The range displayed in the job advertisement reflects the minimum and maximum target salaries across all US locations. Specific salary details for a candidates preferred location can be provided by the recruiter or HR manager during the hiring process.

Why Join SDL

SDL delivers advanced multi-domain solutions to protect national security and enable scientific discovery. Our expertise in satellites sensors and instruments ground systems and data processing and autonomous systems plays a critical role in missions supporting NASA and the Department of Defense. Join our team of engineers scientists technicians and business professionals in our seventh decade of delivering mission success.

At SDL we strive to uphold a culture of respect collaboration empowerment and accountability. We listen with open minds seek to understand diverse perspectives and engage in thoughtful dialogue. We work together by sharing knowledge involving others and offering support. We trust and empower our team members to take ownership act with integrity and be accountable. Above all we deliver on our commitments to each other and to our mission partners.

The application window for this position is expected to remain open for approximately 14 days. However it may be shortened or extended depending on business needs and the availability of qualified candidates. We encourage interested candidates to submit their applications promptly.

For questions assistance or accommodation with the application process or the DoD SkillBridge program please contact

Required Experience :

Senior IC

Key Skills

Jenkins,Python,Agile,C / C++,Systems Engineering,Jira,Software Development,Software Testing,Test Automation,Cucumber,Scripting,Selenium

Employment Type : Full-Time

Experience : years

Vacancy : 1

Yearly Salary Salary : 117000 - 162000