Senior Software Engineer - Mission Engineering (Onsite)

Job Summary Position: Senior Software Engineer – Mission Engineering (Onsite). Location: Cedar Rapids, IA or Sterling, VA (Onsite, 5 days a week). U.S. Citizenship required. Must obtain and maintain a secret U.S. Government security clearance. Responsibilities Design, develop, and implement mission‑critical software systems, tools, and applications. Perform mission analysis and develop software solutions to model, simulate, and evaluate mission scenarios. Collaborate with multi‑disciplinary teams to define software requirements and architecture for mission systems. Implement and optimize algorithms for mission planning, decision support, and system performance analysis. Develop and maintain software tools for modeling and simulation of mission environments (e.g., AFSIM, RCADE, C++, Python). Perform software integration and testing to ensure system functionality and reliability. Support software verification and validation efforts to meet mission objectives and requirements. Lead trade studies, technical reviews, and risk assessments for software‑focused mission engineering tasks. Mentor junior engineers and provide technical leadership in software development and mission engineering. Ensure compliance with RTX software engineering processes, cybersecurity standards, and best practices. Requirements Degree in STEM (Science, Technology, Engineering, Mathematics) and minimum 5 years of relevant experience, or an advanced degree with minimum 3 years of experience. Strong proficiency in programming languages such as Python, C++, or similar. Experience with software modeling and simulation tools (e.g., Simulink, STK, or similar). Familiarity with software development processes (e.g., Agile, DevSecOps, CI/CD) and tools (e.g., Git, Gitlab, JIRA). Ability to obtain and maintain a secret U.S. Government security clearance. Preferred Qualifications Advanced degree (Master’s or PhD) in Software Engineering, Computer Science, or related discipline. Experience developing software for aerospace, defense, or mission‑critical systems. Strong analytical and problem‑solving skills with a focus on mission‑driven software solutions. Excellent written and verbal communication skills. Expertise in artificial intelligence (AI), machine learning (ML), or optimization algorithms for mission applications. Experience with model‑based systems engineering (MBSE). Experience working with government or military customers. Demonstrated ability to lead technical teams and manage complex software projects. Benefits Medical, dental, and vision insurance. Three weeks of vacation for newly hired employees. Generous 401(k) plan with employer matching and separate employer retirement contribution, including a Lifetime Income Strategy option. Tuition reimbursement program. Student loan repayment program. Life insurance and disability coverage. Optional coverage: pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, ID theft protection. Birth, adoption, parental leave benefits. Ovia Health, fertility, and family planning. Adoption Assistance. 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. Eligibility for relocation assistance. Salary USD 86,800 – 165,200 per year. EEO Statement 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. #J-18808-Ljbffr