Senior Principal Systems Engineer - Secure Systems; Clearance

Job Summary

Systems Engineer – Mission Systems Secure Systems Department. Design and develop secure military communication solutions that connect militaries worldwide. Interface with multi‑disciplinary engineering teams to create total system solutions addressing both domestic and international customer needs.

Onsite role located in Cedar Rapids, IA.

• Perform analysis, architecture, and design at all levels of the product, including concept, design, fabrication, modeling, test, installation, operation, maintenance and disposal.
• Perform functional analysis, trade studies, requirements allocation, and interface definition studies to translate customer requirements into hardware and software specifications.
• Provide analyses for the decomposition of customer specifications and system‑level requirements into subsystem and piece‑part requirements, and develop verification criteria and plans.
• Perform technical planning, system integration, verification and validation, and supportability and effectiveness analyses for total system solutions.
• Perform daily tasks in a classified and controlled lab environment.

• Typical: STEM degree and minimum 5 years relevant experience, or advanced degree with minimum 3 years.
• Active and transferable Secret U.S. government‑issued security clearance required prior to start.
• U.S. citizenship required.
• Familiarity with Scaled Agile framework.
• Exceptionally strong communication skills, with experience presenting technical data to program management and executive leadership.
• Experience with cryptographic hardware architecture/design, network encryption specifications, and test methodologies.
• Experience with tools such as DOORS, CAMEO, or similar.
• Software languages:
  Rust and Python.
• Experience with Model‑Based Systems Engineering.
• Experience with hardware and software integration, verification & validation testing, and qualification testing.

Gain technical leadership experience, mentorship opportunities, and exposure to influential individuals within Mission Systems. Develop knowledge in security‑hardened products across evolving business domains.

Salary range: USD 86,800 – 165,200.

• Medical, dental, and vision insurance.
• Three weeks of vacation for newly hired employees.
• Generous 401(k) plan with employer matching and separate 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,  protection.
• Birth, adoption, parental leave benefits.
• Ovia Health, fertility, and family planning services.
• Adoption assistance.
• Autism benefit.
• Employee Assistance Plan with 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.
• Relocation assistance.

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.