Principal Engineer, Software Engineering

RTX

. Lead the design, development, and testing of software in an agile collaborative environment .

Posted 10/3/2026full-timeRemote • Iowa • United StatesLead💰 $107,500 - $204,500 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in software development and testing within agile environments, with a strong focus on mentoring and technical leadership. Proficient in optimizing code performance and ensuring adherence to industry best practices while managing complex software systems.

Highest-signal resume keywords

Java DevelopmentC++ DevelopmentAgile MethodologiesActive U.S. Government Security ClearanceCI/CD Tools

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Software DevelopmentSoftware TestingMultithreadingNetworking ProtocolsPythonWindows DevelopmentLinux DevelopmentContainerizationDebuggingCode Optimization

Soft Skills

MentoringCollaborationProblem SolvingTask DelegationTechnical Leadership

Tools & Technologies

JenkinsGitBitbucketDockerAgile Tools

Certifications & Qualifications

U.S. Government Security Clearance

Industry Keywords

Agile DevelopmentContinuous ImprovementMission-Critical SoftwareAir Combat Maneuvering InstrumentationSystem Modification Requests

Tech Stack

Tools & technologies

DockerJavaJenkinsLinuxPythonC++

About the role

Key responsibilities & impact

Lead the design, development, and testing of software in an agile collaborative environment
Mentor and coach junior and mid-level engineers, delegate tasks, and provide guidance
Resolve complex software trouble reports using debugging tools
Identify and fix software defects and optimize code performance
Provide technical leadership and drive continuous improvement initiatives
Ensure adherence to industry best practices
Contribute to requirements, implementation, and test development
Collaborate with multiple engineering disciplines to analyze, implement, and test system modification requests
Develop mission-critical ground software for networking, command and control, threat, and weapon simulations
Support secure Air Combat Maneuvering Instrumentation systems from concept through accreditation, production, and installation

Requirements

What you’ll need

Experience with software development, test, and/or integration using Java, C++, or C#
Experience with agile software development methodologies such as Scrum, SAFe, or DevSecOps
Active and transferable U.S. government-issued Secret security clearance required prior to start date
U.S. citizenship required
Typically, a STEM degree and minimum 8 years of relevant experience, or an advanced degree in a related field and minimum 5 years of experience
Experience with Python is preferred
Experience with Windows and Linux development environments
Experience with multithreading
Experience with networking and communications protocols
Experience with CI/CD tools and infrastructure such as Jenkins, Git, and Bitbucket
Experience with containerized applications such as Docker

Benefits

Comp & perks

Medical, dental, and vision insurance
Three weeks of vacation for newly hired employees
Generous 401(k) plan with employer matching funds and separate employer retirement contribution
Lifetime Income Strategy option
Tuition reimbursement program
Student Loan Repayment Program
Life insurance and disability coverage
Optional pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, and ID theft protection
Birth, adoption, and 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 wellness rewards program
Doctor on Demand virtual doctor visits
Bright Horizons child and elder care services
Teladoc Medical Experts second opinion program
Relocation eligibility
Flexible work schedules
Employee Scholar Program
Paid time off and holidays
Annual short-term and/or long-term incentive compensation programs may be available (not guaranteed)