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RTX · 3 hours ago

Software Engineering Intern (Summer 2026) (Onsite) (Open)

US-MA-MARLBOROUGH-MA3 ~ 1001 Boston Post Rd ~ BLDG 3

Internship

Onsite

Intern

$37K/yr - $82K/yr

Start in 2026 Summer

RTX is a leader in technologically advanced and intelligent solutions for the global aerospace and defense industry. The Software Engineering Intern position involves supporting the design, development, integration, and testing phases of the software lifecycle during feature development and sustainment activities.

AerospaceManufacturingSecuritySensorTelecommunications

No H1B

U.S. Citizen Only

Responsibilities

You will be a part of the software team to designing, developing, and testing operational and non-operational software updates for the various program software releases

You will update software process documentation, work instructions, test plans, test procedures, system and software requirement specification and associated technical manuals needed to meet our high maturity level software engineering standards and processes

You will practice Agile methodologies including daily standups, sprint planning, sprint feature development, retrospectives, back log grooming and story pointing

You will work in a highly collaborative team environment, requiring frequent multi-level communication with other engineering domain team members and program management

Qualification

Agile/Scrum methodologyCC++JavaSoftware testingContinuous integration/deploymentNetworking ProtocolsUnix/Linux environmentsPythonJavascriptCollaborative team environmentFlexibility in learningCommunication skills

Required

Requires a High School Diploma or equivalent and student must be pursuing a Bachelor's or advanced degree in an applicable discipline

The ability to obtain and maintain a U.S. government issued security clearance is required

U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance

Preferred

Knowledge of Agile/Scrum methodology, continuous integration/continuous deployment (CI/CD), and automated testing concepts with Test Driven Development (TDD)

Familiar with Networking Protocols SNMP, TDP/IP and other protocols

Flexibility and desire in learning new COTS, tools, processes, or methodologies

Good communication skills, both written and verbal, including formal presentations

College-level course work and experience in Software Engineering

Structured programming experience in C, C++ or Java

Experience in Unix/Linux environments and command line usage

Experience with Python or Javascript

Experience utilizing Microsoft products and tools

Experience in Software testing, debugging source code and configuration management tools

Experience working in a collaborative team environment that requires multi-level communication with other engineering, program, and external stakeholders

U.S. citizenship is absolutely required, as only U.S. citizens are authorized to access information under these programs/contracts

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

Glassdoor3.8

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.

Founded in 1922