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U.S. citizenship is required, as only U.S. citizens are eligible for a security clearanceSecurity Clearance:\nDoD Clearance: SecretAre you ready to explore the world of aerospace and defense? Do you want to learn from and collaborate with some of the greatest minds in the industry? At RTX, our internships, co-ops and full-time careers provide an exceptional foundation to work on complex problems, advance your skills and create a safer, more connected world. Discover opportunities to make a difference at RTX.\nAt RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world.\nThis position is a fully Onsite role in Aguadilla, PR. You must be residing in Puerto Rico at the time of starting employment.\nWhat You Will Do:\nCollaborate on System Requirements and Software Development: Join a dynamic software team in a cross-functional environment, contributing to the definition of system requirements and translating them into detailed software requirements, UML/SysML models, and diagrams for a large-scale program \nEffective Communication and Team Collaboration: Work closely with other software engineers and team members to ensure clear communication and collaboration, fostering a cohesive, solution-focused environment across multiple disciplines \nDevelop Code to Meet Customer and Certification Standards: Collaborate with your team to maintain, enhance, and develop software that aligns with customer requirements and meets certification standards, ensuring both functionality and compliance \nSoftware Implementation in Test Environments: Take responsibility for producing high-quality software implementations and integrating them within testing environments, ensuring the code is thoroughly tested and meets all specified requirements \nEnglish (read, write, speak) is required when communicating with customers, co-workers, or supervisors who only speak English\nWhat You Will Learn:\nYou will have opportunity to learn and grow knowledge within the RCP programs & gain niche skills enabling you to be unique in all you do\nYou will gain valuable experience & an opportunity to lead, including roles such as Subject Matter Expert, Scrum Master, Product Owner, CAM, and Software Lead \nYou can take flight to become a subject matter expert and leader in RCP \nQualifications You Must Have:\nA degree in Science, Technology, Engineering or Mathematics (STEM).\nEducational knowledge and project application on software development using Python, C++, or similar, including debugging, integration, and deployment on software platforms.\nFamiliarity with software development processes (e.g., Agile, DevSecOps, CI/CD) and tools (e.g., Git, Gitlab, JIRA).\nExcellent verbal and written communication skills. \nU.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract\nDoD Security Clearance After Day 1\nQualifications We Prefer:\nKnowledge in basic Linux shell scripting, Python or Perl\nWorking knowledge of programming languages such as C++ or C# \nSoftware level debugging experience. \nKnowledge of Database language such as SQL\nFamiliarity with Git, Jira, Bitbucket, Confluence, and Coverity.\nLearn More & Apply Now!\nThis 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.\nRTX 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, or any other applicable state or federal protected class. 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.\nPrivacy Policy and Terms:\nClick on this link to read the Policy and Terms","description_format":"text","description_chars":4674,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":true,"languages":[{"language":"English","level":"All levels","optional":false}]},"benefits":[],"hiring_locations":[{"name":"Puerto Rico","iso":"PR","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Cybersecurity","Manufacturing","Science & Engineering","Defense Manufacturing"],"lifecycle":[{"event":"open","at":"2026-10-02T01:46:14Z"}],"visa":[],"liveness":{"score":66,"band":"ok","label":"Likely open","p_open":1,"p_active":0.728,"p_room":0.9,"age_days":4,"expected_fill_days":10,"reasons":["conf:2","velocity","win:mid","comp:junior,brand"],"computed_at":"2026-10-05T05:45:15Z"},"pay":null,"html_url":"https://alion.io/job/rtx-software-engineer-i-hybrid","json_url":"https://alion.io/job/rtx-software-engineer-i-hybrid.json","meta":{"generated_at":"2026-10-06T02:49:34Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":4233,"day_limit":5000,"remaining_today":767,"minute_limit":60,"resets_at":"2026-10-07T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":1162},"rest":"https://alion.io/mcp/rest/get_company?id=1162"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Frtx-software-engineer-i-hybrid"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Frtx-software-engineer-i-hybrid"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Frtx-software-engineer-i-hybrid"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/rtx-software-engineer-i-hybrid\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Frtx-software-engineer-i-hybrid"}]}