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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principle Software C/C++ Engineer - **Company:** RTX - **Location:** Concord, NH, United States - **Experience:** Expert - **Salary:** $107,500.0 - $204,500.0 - **Contract:** Contract - **Skills:** Java (Programming Language), Microsoft Windows, Data Analysis, Software Applications, JIRA, Automation of Tests, Bash Shell, C++ (Programming Language), Configuration Management, Data Structures, Linux, DevOps, Perl (Programming Language), Embedded Software, Integrated Development Environments, Korn Shell, Scrum Methodology, Real-Time Operating Systems, Software Tools, Software Engineering, Software Systems, Git, Jenkins - **Published:** June 5, 2026 - **Apply:** https://globalhr.wd5.myworkdayjobs.com/REC_RTX_Ext_Gateway/job/US-MA-TEWKSBURY-TB3--50-Apple-Hill-Dr--CONCORD-BLDG-Tewksbury-Tb3-300-Concord/Principle-Software-C-C---Engineer_01850136 ## About the Role * Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 8 years of prior relevant experience unless prohibited by local laws/regulations. * Experience with C++, C and/or Java. * The ability to obtain and maintain a U. S. government issued Interim Secret security clearance prior to the start date. U.S. citizenship is required as only U.S. citizens are eligible for a security clearance. Qualifications We Prefer * Knowledge of data structures and algorithms, systems software design, operating systems, architectures, software development life cycle and processes. * Experience in software development, and with Windows and Linux Operating Systems, GIT, Jira, Jenkins, Perl, Bash, and Kornshell. * Experience developing software in a team-based development environment, preferably Agile/SCRUM, DevOps and test automation. * Strong problem-solving and communication skills, including ability to produce technical documentation, and the desire to learn new technologies and tools. * Able to travel domestic and international. * Demonstrated ability to work effectively with coworkers. * Demonstrated ability to work with colleagues who represent multiple work and conflict resolution styles. ## Description We are seeking Senior Software Engineers to join our development team in Tewksbury, Massachusetts. All teams develop software in a variety of languages including C++, C, and several others. Candidates can expect to work on many if not all the phases of the software development life cycle. In this position, you will be responsible for providing practical solutions to difficult technical software problems. You can expect to support multiple programs and multiple platforms within a software product line. Software Engineering positions include working on a variety of different tasks including real-time software development, application software development, test and verification, data analysis, software tools development, and many others. This role will be 100% on-site in Tewksbury, Massachusetts. What You Will Do * Assist and participate in the requirements, design, development and testing of real-time embedded software, application software, and tools, to include development of new work products or enhancement of existing applications and systems. * Design, code, test, integrate and document software solutions. * Participate in internal review of software components and systems. * Collaborate with project managers and other professionals within Engineering. * Follow established development practices and processes to maintain the configuration management of software products. ## Related Videos - [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Collaboration Quantified: Lessons from Open Source Developer Networks](https://www.wearedevelopers.com/videos/1422-collaboration-quantified-lessons-from-open-source-developer-networks) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) ## Related Articles - [Résumé-Driven Development: How IT trends affect the job market for software developers](https://www.wearedevelopers.com/magazine/59-resume-driven-development-how-it-trends-affect-the-job-market-for-software-developers) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer)