Senior Software Engineer (Onsite)

Date Posted:2026-06-17 Country:United States of America Location:US-IA-CEDAR RAPIDS-137 ~ 855 35Th St NE ~ BLDG 137 Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: 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 Security Clearance Type: DoD Clearance: Secret Security Clearance Status: Active and existing security clearance required after day 1At 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.Collins Aerospace is a leader in technologically advanced, intelligent solutions that help redefine the aerospace and defense industry. With a comprehensive portfolio and deep technical expertise, we help customers meet the demands of the global market. Join us and help shape the future of aerospace and defense.As a Senior Software Engineer, you will contribute to the development of advanced software solutions that support a variety of mission-critical applications. You will work on complex technical challenges requiring high levels of reliability, security, and performance.In this role, you will collaborate with cross-functional teams, including hardware, FPGA, and systems engineering, to integrate innovative technologies into a diverse portfolio of products. These solutions enable secure communications, data exchange, and other critical capabilities for customers operating in demanding environments.Technical responsibilities for this software engineering position will primarily encompass working in a software role and contributing to key decision making for the successful development of applications across multiple product lines.  There will be involvement in requirements definition, collaboration on software design and architecture, implementing software, software\hardware integration, and requirement verification.This position is located in Cedar Rapids, Iowa. A comprehensive relocation package is available to qualified applicants.What YOU will do:Lead Software Development and Integration: Spearhead efforts on a multi-threaded embedded C++ product codebase, driving innovation at the cutting edge of technology.Design Embedded Solutions: Take the lead in designing and developing advanced embedded cryptographic solutions and communications products, ensuring alignment with strategic objectives.Drive Project Excellence: Collaborate with cross-functional project teams to define requirements, implement software, and oversee test case development, verification test execution, and certification support.Mentor and Empower: Provide guidance and mentorship to fellow software developers, enhancing both technical proficiency and process optimization while cultivating a culture of collaboration and continuous improvement.Enhance Security and Reliability: Play a pivotal role in shaping products that significantly bolster the security and reliability of critical communications infrastructure.What YOU will learn:Achieving Superior Results and Project Management: Master the skills needed to consistently deliver high-quality outcomes while adeptly managing project timelines and milestones.Advanced Team Collaboration: Develop the ability to build and maintain strong collaborative relationships with colleagues, both in-person and virtually, to create a positive and productive work environment.Expertise in Systems Integration: Gain in-depth, hands-on experience in integrating complex system hardware and software components, significantly enhancing your technical proficiency and problem-solving capabilities.Qualifications You Must Have:Software development and integration experience embedded C and C++ product software.Experience with standard full lifecycle software development practices and configuration management toolsKnowledge and\or experience in embedded security software development and integrationThe ability to obtain and maintain a U.S. government issued security clearance is required.Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 5 years prior relevant experience or an Advanced Degree in a related field and minimum 3 years of experienceQualifications We Prefer:Cost Account management experienceExperience serving as a Product Owner in an Agile development environment.Experience in Rust developmentComfortable working in a Linux development environment.Capable of mentoring engineers regarding software development skills and practicesDesire to successfully work in a team environment, establishing collaborative relationships with coworkers in person and through technology; experience working on an Agile team desirableStrive to consistently produce superior results, keeping project milestones on schedule, contributing to a positive work environment, and driving process efficiency improvementsExperience leading teams and running projects through the full software lifecycleProficiency in scripting languages such as pythonMay have practical knowledge of project management.What We Offer:Some of our competitive benefits package includes: Medical, dental, and vision insuranceThree weeks of vacation for newly hired employeesGenerous 401(k) plan that includes employer matching funds and separate employer retirement contribution, including a Lifetime Income Strategy optionTuition reimbursement programStudent Loan Repayment ProgramLife insurance and disability coverageOptional coverages you can buy pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, grou