Date Posted: 2025 10 09 Country: United States of America Location: HTX36: Richardson, TX 3200 E Renner Rd , Richardson, TX, 75082 2402 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance Security Clearance: Secret Current Are you looking to make a meaningful, positive impact while advancing your career?â¯â¯ Here at Collins Aerospace, we're enhancing mission critical systems for our military to deter against current and future adversarial threats. The need for passionate engineers who want to make a difference is now! Our team develops strategic solutions to ensure Nuclear Command, Control, and Communications (NC3) function accurately, on time, every time, and under the most extreme circumstances for our national defense. We have an opportunity for a Software Engineer II to join a cohort of 20 talented software engineers in developing our Very Low Frequency (VLF) solution for the military. The government has requested a need for greater cyber security threat protection, software assurance, improvement in availability and reliability while harnessing the latest technologies for rapid development and deployment. ⯠â¯What You Will Do:â¯â¯ Work collaboratively in a supporting team environment to solve our customer's mission critical needs. Develop and integrate multi threaded embedded software using C and C . Define software requirements and UML design diagrams within a Model Based Systems Engineering (MBSE) tool. Support integration and verification within our automated test framework. Provide insight on future scope, task assignments, and process improvements within our Agile cadence. Collaborate with Subject Matter Experts (SMEs) and cross functional teams for a unified solution. ⯠What You Will Learn:⯠Full software development lifecycle within defense industry. Agile development within a classified environment. Integration and validation on a variety of hardware controller cards. Best practices in secure software coding on embedded systems. ⯠Qualifications You Must Have:⯠Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 2 years prior relevant experience or an Advanced Degree in a related field. Active and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance. Previous experience with C/C . ⯠Qualifications We Prefer:⯠Experience in embedded C in real time operating systems (RTOS) on Arm based platforms. Experience with multithreading, memory management, and performance optimization in complex environments. Experience in secure coding practices. Experience with hardware software integration and hardware in the loop (HIL) testing. Experience with UML, SysML, MBSE and CAMEO Modeling tools. Experience with development tool sets,â¯including Jira, Git, Visual Studio Code, cmake. Experience with automated test frameworks, unit testing, and requirements traceability. What We Offer: Some of our competitive benefits package includes:⯠Medical, dental, and vision insurance Three weeks of vacation for newly hired employees Generous 401(k) plan that includes employer matching funds and separate employer retirement contribution, including a Lifetime Income Strategy option Tuition reimbursement program Student Loan Repayment Program Life insurance and disability coverage Optional coverages you can buy pet insurance, home and auto insurance, additional life and accident insurance,â¯critical illnessâ¯insurance, group legal, ID theft protection Birth, adoption, parental leave benefits Ovia Health, fertility, and family planning Adoption Assistance â¯â¯â¯â¯â¯â¯â¯â¯ Autism Benefit Employee Assistance Plan, including up to 10 free counseling sessions Healthy You Incentives, wellness rewards program Doctor on Demand, virtual doctor visits Bright Horizons, child and elder care services Teladoc Medical Experts, second opinion program may be eligible for relocation â¯And more!⯠Learn More & Apply Now! Do you want to be a part of something bigger? A team whose impact stretches across the world, and even beyond? At Collins Aerospace, our Mission Systems team helps civilian, military and government customers complete their most complex missions â whatever and wherever they may be. Our customers depend on us for intelligent and secure communications, missionized systems for specialized aircraft and spacecraft and collaborative space solutions. By joining our team, you'll have your own critical part to play in ensuring our customer succeeds today while anticipating their needs for tomorrow. Are you up for the challenge? Join our mission today. At Collins, the paths we pave together lead to limitless possibility. And the bonds we form â with our customers and with each other propel us all higher, again and again. Apply now and be part of the team that's redefining aerospace, every day. 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. The salary range for this role is 66,000 USD 130,000 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate's work experience, location, education/training, and key skills. Hired applicants may be eligible for benefits, including but not limited to, 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, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective bargaining agreement. Hired applicants may be eligible for annual short term and/or long term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company's performance. This role is a U.S. based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply. RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window. RTX 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. Privacy Policy and Terms: Click on this link to read the Policy and Terms RTX is an aerospace and defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry leading businesses â Collins Aerospace, Pratt & Whitney, and Raytheon. Its 195,000 employees enable the company to operate at the edge of known science as they imagine and deliver solutions that push the boundaries in quantum physics, electric propulsion, directed energy, hypersonics, avionics and cybersecurity. The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Arlington, Virginia.