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Principal Systems Engineer - Secure Systems; Clearance

Job in Cedar Rapids, Linn County, Iowa, 52404, USA
Listing for: Segment (Twilio)
Full Time position
Listed on 2026-07-14
Job specializations:
  • Manufacturing / Production
    Systems Engineer
Salary/Wage Range or Industry Benchmark: 107500 - 204500 USD Yearly USD 107500.00 204500.00 YEAR
Job Description & How to Apply Below
Position: Principal Systems Engineer - Secure Systems (Active Clearance)

About the Role

Sign-on bonus eligible. This position is for an experienced Systems Engineering professional. Join the Mission Systems Secure Systems Department and help shape, define, and design communication solutions that connect militaries around the world. As a Systems Engineer, you will design and develop military products ensuring safe and protected communication.

Core Responsibilities
  • Perform analysis, architecture, and design at all levels of the total system 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 decomposition of customer specifications and system‑level requirements into subsystem and piece‑part requirements, and develop verification criteria and plans for the requirements.
  • Perform technical planning, system integration, verification and validation, cost and risk, and supportability and effectiveness analyses for total system solutions.
  • Perform bid and proposal efforts.
What You Will Learn
  • Gain technical leadership experience, mentorship opportunities, and exposure to influential individuals within Mission Systems.
  • Obtain invaluable experience working with subject matter experts, security and crypto certification specialists, customer base, and cross‑functional integrated product teams.
  • Become knowledgeable in security‑hardened products and exposure to a variety of business and products in an evolving field.
  • Grow as the organization expands.
Required Qualifications
  • Degree in Science, Technology, Engineering or Mathematics (STEM) with minimum 8 years of relevant experience, or an advanced degree in a related field with minimum 5 years of experience.
  • Active and transferable U.S. government issued Secret security clearance required prior to start date.
  • U.S. citizenship.
  • Experience with the systems development process, including requirements capture, design decomposition, integration, verification/validation and transition to production.
Preferred Qualifications
  • Familiarity with the Scaled Agile framework.
  • Exceptionally strong communication skills, 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 such as Rust and Python.
  • Experience with Hardware and Software Integration, Validation & Verification Testing, and Qualification Testing.
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 and disability insurance.
  • Optional coverages: 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 assistance, 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.
  • Additional benefits as detailed on the Collins Aerospace website.
Additional Information
  • Salary range: $107,500 - $204,500 USD (based on experience).
  • Security Clearance Type:
    Secret.
  • U.S.

    -based role; pay structure and benefits apply to U.S. territories.
Equal Opportunity & EEO

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.

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