Senior Software Test Engineer - Active Secret; Onsite

Job Overview

We’re looking for a Senior Software Test Engineer to join our team in Cedar Rapids, IA. In this role, you will lead the testing and validation of next‑generation systems powering UAVs, fighter jets, aircraft carriers, and ground vehicles. Your work will cover advanced satellite communications, cryptography, and embedded computing architectures to ensure compliance with the highest standards for speed, security, and resilience.

• Design, create, and integrate software components for hardware test stations in factory and engineering labs.
• Work hands‑on with test hardware to develop software that tests military communication hardware during build and manufacturing.
• Analyze and understand requirements to ensure testability.
• Develop clear test objectives that guide the testing process and ensure comprehensive coverage.
• Write software for both manual and automated test cases to detect manufacturing defects, improve product quality, and increase manufacturing yields.
• Analyze test results for failures and discrepancies.
• Collaborate closely with other test engineers and product developers to verify that product hardware is built correctly.
• Coordinate and collaborate with Systems, Electrical, and Mechanical engineering disciplines.
• Help manage work across multiple programs.
• Mentor, lead, and review work of lower‑level engineers.

• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 5 years of relevant experience or an Advanced Degree and minimum 3 years of experience.
• Active and transferable U.S. government‑issued security clearance prior to start date (Secret clearance).
• U.S. citizenship (required for security clearance).
• Prior experience programming in C# and Python.
• Experience with manual use or automation of test equipment such as oscilloscopes, network analyzers, digital multimeters, and other equipment.
• Experience in validation, verification, testing, and requirements analysis.
• Experience leading and managing projects.

• Strong communication, analytical, and problem‑solving skills.
• Experience with SCPI commands, bug tracking, and test management tools.
• Knowledge of software testing methods (functional, integration, regression, performance).
• Proficiency with Git/Subversion, Atlassian tools, and Agile (SAFe) environments.
• Background in networking (TCP, UDP, Telnet) and embedded protocols (I2C, SPI, UART).
• Experience with Linux development and multi‑threaded applications in C, C++, or Java.
• High attention to detail with a track record of delivering quality results.

• Medical, dental, and vision insurance.
• Three weeks of vacation for newly hired employees.
• Generous 401(k) plan with employer matching and additional retirement contributions.
• Tuition reimbursement program.
• Student loan repayment program.
• Life insurance and disability coverage.
• Optional coverage (pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal,  protection).
• Birth, adoption, parental leave benefits.
• Ovia Health, fertility, and family planning.
• Adoption assistance.
• Autism Benefit.
• Employee Assistance Plan (including up to 10 free counseling sessions).
• Healthy You incentives and wellness rewards program.
• Doctor on Demand, virtual doctor visits.
• Bright Horizons, child and elder care services.
• Teladoc Medical Experts, second opinion program.

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified individuals with a disability and protected veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.