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RTX
Posted 137 days agoVerified live 5h ago

Software Engineer II- Core Systems & Libraries (Onsite)

Brief overview

US-IA-CEDAR RAPIDS-124 ~ 400 Collins Rd NE ~ BLDG 124, USIn-person
UndergradOr in progress
$69k–$131k/yrStated range
2+ yrsMinimum
350 H-1B approvalsDept. of Labor
101 green cardsCertified filings
Software architecture designC++Object-oriented designDO-178 complianceRequirements decomposition and traceabilityVerification and validationCertification artifact developmentPeer review facilitationCross-functional collaborationVxWorksLinuxWindows OSHigh-Level and Low-Level Requirements writingTest case developmentAutomated test proceduresFlight Management Systems softwareAircraft applications

About the company

RTX is comprised of three market-leading businesses – Collins Aerospace, Pratt & Whitney and Raytheon – working as one to answer the biggest questions and solve the hardest problems in aerospace and defense.

Visa sponsorship history

4 years sponsoring, last filed FY2026

Data powered by U.S. Department of Labor. This does not guarantee sponsorship for this specific role.
350H-1B approved
99%approval rate
27new H-1B hires
101PERM certified
$138,954median wage / yr
H-1B Petition ApprovalsVisas USCIS actually granted: the strongest sign the company sponsors.
2023146
202410
2025139
202655
LCA Certified ApplicationsAn early filing step, not a visa approval: it signals intent, not confirmed sponsorship.
202331
202458
202552
202642
Green Card (PERM) FilingsCertified green card filings: a long-term commitment to international hires.
202330
202421
202546
20264
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Sponsored employees from
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Job description

Summary

RTX is the world's largest aerospace and defense company, seeking a Software Engineer II to join their Core Systems & Libraries team. The role involves developing and supporting core software components for avionics systems, ensuring compliance with safety-critical standards while collaborating with cross-functional teams.

Responsibilities

  • Develop the architecture and design of core software components, libraries, and tooling aligned to avionics system requirements
  • Drive technical direction and execution across development and verification activities for safety-critical software (DO-178)
  • Develop software requirements, decomposition, and traceability across complex systems
  • Develop and verify software using modern C++ and object-oriented design principles
  • Develop DO-178 certification artifacts, including DAL-A deliverables
  • Perform certification efforts, including engagement with customers and regulatory authorities
  • Conduct and contribute to peer reviews to ensure quality, consistency, and compliance across the lifecycle
  • Collaborate cross-functionally with engineering, program leadership, and customers to align technical solutions with program objectives
  • Willing and Able to travel as required (domestic and international <10%)

Skills

  • Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 2 years of prior relevant experience or an Advanced Degree in a related field
  • U.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract
  • Proven experience designing and developing software architecture, libraries, or platform-level components within an aerospace or safety-critical environment
  • Experience/exposure supporting DO-178 software development and certification activities (e.g., requirements, verification, or certification artifacts)
  • Experience with C++ and VxWorks. Linux, and Windows OS
  • Experience writing High-Level and/or Low-Level Requirements
  • Experience writing Test Cases and Automated Test Procedures
  • Experience with Civil Certification DO-178 – DAL A preferred
  • Experience with design and development of Flight Management Systems, Software, Aircraft Applications or Middleware
  • Familiar with revision control concepts and tools (e.g. GIT, Subversion, JIRA)

Qualifications

Must Haves

  • Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 2 years of prior relevant experience or an Advanced Degree in a related field
  • U.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract
  • Proven experience designing and developing software architecture, libraries, or platform-level components within an aerospace or safety-critical environment
  • Experience/exposure supporting DO-178 software development and certification activities (e.g., requirements, verification, or certification artifacts)

Nice to Haves

  • Experience with C++ and VxWorks. Linux, and Windows OS
  • Experience writing High-Level and/or Low-Level Requirements
  • Experience writing Test Cases and Automated Test Procedures
  • Experience with Civil Certification DO-178 – DAL A preferred
  • Experience with design and development of Flight Management Systems, Software, Aircraft Applications or Middleware
  • Familiar with revision control concepts and tools (e.g. GIT, Subversion, JIRA)

Benefits

  • 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, 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
  • 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.

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