RTX · 2 days ago
Principal Java/C++ Software Engineer
US-MA-TEWKSBURY-TB1 ~ 50 Apple Hill Dr ~ ASSABET BLDG
Full-time
Onsite
Senior Level, Lead/Staff
$108K/yr - $204K/yr
8+ years expRTX is a leading company in defense and aerospace, committed to helping the nation and its allies. They are seeking a Principal Software Engineer to support the C5I product line in the Missile Defense Sensors Software Department, focusing on developing and maintaining sophisticated software solutions for critical systems.
AerospaceManufacturingSecuritySensorTelecommunications
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Innovate and Collaborate: Design, develop, and test software in an agile, collaborative environment that encourages creativity and teamwork to solve complex challenges
Tackle Complex Algorithms: Develop and implement sophisticated algorithms to solve challenging technical problems, optimizing performance and functionality in critical systems
Problem-Solve with Precision: Determine failure root cause, develop, design and implement solutions
Contribute to System Design: Provide critical input on software components of system design, including hardware/software trade-offs, integration of Commercial Off-the-Shelf (COTS) solutions, software reuse opportunities, and the synthesis of requirements from the system level down to individual software components
Collaborate Across Teams: Work closely with Systems Engineering, Integration and Test, and Platform teams to ensure seamless integration of components, alignment of requirements, and successful end-to-end system functionality
Elevate Standards: Implement recommendations to improve documentation quality and refine software development process standards, driving efficiency and excellence across the team
Lead and Guide: Offer technical guidance to the scrum team during planning and execution, ensuring alignment with project goals and fostering a culture of continuous improvement
Qualification
Required
Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 8 years of prior relevant experience
Experience developing software in a team-based development environment using the Agile Scrum or Kanban framework
Experience as a software developer in C++ and/or Java code base, Git version control and workflow, code review process, unit testing, RedHat/UNIX/Linux OS
Experience with debugging tools for identifying and resolving software defects and optimizing code performance
The ability to obtain and maintain a U.S. government issued Secret security clearance is required, as only U.S. citizens are eligible for a security clearance
Preferred
Strong collaboration and communication skills
Experience with agile management tools (e.g., JIRA, Confluence)
Domain knowledge in Command-and-Control operations, Link16 tactical communication, HMI usability development, Mission Defense Planning, Simulation Modeling and Analysis and Threat Evaluation/Weapon Assignment processing
Experience with designing and implementing a large-scale modularized, reusable product base that supports multiple products
Proven ability to interface with customers and lead technical solutions to complex user requirements
Ability to work in a fast paced, dynamic environment with time-critical requirements
Ability to understand command and control and/or radar technology in the areas of software design, integration and test
Familiarity with Integrated Product Development System (IPDS) and CMMI-compliant Gate Reviews
Proven experience in large, complex defense systems
Experience with AI tools and applications to Software Engineering
Experience with Model Based Systems Engineering (MBSE) and associated tools (i.e. Cameo)
Benefits
Medical
Dental
Vision
Life insurance
Short-term disability
Long-term disability
401(k) match
Flexible spending accounts
Flexible work schedules
Employee assistance program
Employee Scholar Program
Parental leave
Paid time off
Holidays
Company
RTX
RTX is comprised of three market-leading businesses – Collins Aerospace, Pratt & Whitney and Raytheon – working as one to answer the biggest questions and solve the hardest problems in aerospace and defense.
10001+ employees
Funding
Current Stage
Public CompanyTotal Funding
$3.2MKey Investors
LIFT Ecosystem Accelerator
2024-02-22Grant· $0.2M
2019-06-09Acquired
2010-01-14Grant· $3M
Leadership Team
Daniel Conroy
Chief Technology Officer - Digital
Kevin DaSilva
Corporate Vice President & Treasurer
Recent News
bloomberglaw.com
2026-01-22
Business Insider
2026-01-09
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