Principal Software Modernization Engineer Job Indianapolis Indiana USA,Software Development

Location: Indianapolis

Position

Software Engineer, Battle Management Software Department (Onsite).

Location:

Indianapolis, IN, United States. Minimum 8 years of experience. U.S. citizenship required to obtain an active DoD Secret Security Clearance.

RTX is the world’s largest aerospace and defense company, delivering solutions that help our nation defend freedoms and deter aggression. We offer advanced technology opportunities in a collaborative, innovative environment.

Responsibilities

Use and provide creative solutions to complex technical system and software integration problems.
Work closely with software and systems engineers to design solutions that meet end‑user and operational needs.
Support all phases of the software development life cycle—including requirements, design, development, integration, test, and maintenance—for new and legacy military and commercial programs.
Provide technical leadership through mentorship, subject‑matter expertise, team leadership, and participation in proposals, design reviews, and process improvements.

Required Qualifications

Degree in Science, Technology, Engineering or Mathematics (STEM). Minimum 8 years of relevant experience.
Experience in software requirements, design, development, integration, and test.
Experience developing software in a Windows environment.
Experience developing and testing software using C, C++, C#, Java or closely related languages.
Experience with software systems design, integration, and management.
Experience with creational, structural, and behavioral design patterns and their principles.
Experience utilizing debugging tools to troubleshoot software implementation and ensure product integrity.
Experience with Software Configuration Management (SCM) principles and tools such as GIT.
U.S. citizenship required to obtain and maintain an active DoD Secret Security Clearance.

Preferred Qualifications

Master’s (MS) degree in a STEM discipline.
Experience with scripting languages such as Shell, Perl, or Python.
Experience in Unix/Linux computing environments.
Experience developing requirements for software products.
Experience with CASE tools (e.g., Magic Draw, Cameo) or similar UML/SysML modeling tools.
Experience with automated software test tools.
Experience developing WPF applications and using UI architectural patterns such as MVVM, MVC, or MVP.
Familiarity with VB6, VBA, or
Experience in an Agile development environment using Azure Dev Ops or equivalent.
Familiarity with DO‑178C software development life cycle processes.
Ability to work closely with multidisciplinary teams.
Strong analytical skills.

Salary and Benefits

Salary range: $107,500 - $204,500 USD.
Benefits include medical, dental, vision, life insurance, short‑term and long‑term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, employee scholar program, parental leave, paid time off, and holidays.

Equal Opportunity Employer

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. 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.

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