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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Software C/C++ Engineer - **Company:** RTX - **Location:** Tewksbury, MA, 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, SC Clearance, Jenkins - **Published:** August 4, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=7732df909027db6c ## 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., Please ensure the role type defined below is appropriate for your needs before applying to this role. This position is classified as: Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products. Candidates will learn more about role type and current site status throughout the recruiting process. For onsite roles, commuting to and from the assigned site is the employee's personal responsibility. This position requires a security clearance. DCSA Consolidated Adjudication Services (DCSA , an agency of the Department of Defense, handles and adjudicates the security clearance process. More information about Security Clearances can be found on the US Department of State government website here: https://www.state.gov/m/ds/clearances/c10978.htm As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote. ## Related Videos - [You’re a great coder? 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