Remote position
Sr Principle Software Engineer- Core Systems & Libraries (Remote) PART TIME
at RTX
Real Remote Score
67/100
Solid
- Comp
- 25/25
- Location
- 4/25
- Source
- 10/15
- Clarity
- 8/15
- Freshness
- 20/20
Why this score? ▾
- Compensation · Full salary range disclosed 25/25
- Location · Specific city or narrow scope 4/25
- Source · Remote-first job board 10/15
- Role clarity · Seniority clear, stack not in title 8/15
- Freshness · Posted yesterday 20/20
How the Real Remote Score is calculated → · Score appeals & corrections
Salary in context
Below the 25th percentile for Software Engineering
Listing floor: $132,400 · Role median across 431 peers: $196,000 · 25th–75th: $162,000–$230,000
Numbers refresh from the live corpus. Compare the full distribution at /tools/salary-index/ or run a city PPP adjustment at /tools/salary-calculator/.
Hybrid Transparency Score
20/100
Weak
- Days
- 0/30
- Location
- 15/30
- Schedule
- 0/15
- Relocation
- 0/15
- Source
- 5/10
This role is hybrid: it expects some in-office presence. HTS grades how clearly the employer discloses the hybrid terms. How the Hybrid Transparency Score works →
About this role
Date Posted:
2026-08-07Country:
United States of America
Location:
US-FL-REMOTEPosition Role Type:
RemoteU.S. Citizen, U.S. Person, or Immigration Status Requirements:
U.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract.
Security Clearance Type:
None/Not Required
Security Clearance Status:
Not Required
Design the Foundation of Next-Generation Avionics
Join the growing Collins Aerospace Core Systems and Libraries team and play a key role in shaping the software foundation that powers modern aircraft. We are seeking a Senior Principal Software Engineer who thrives on solving complex technical challenges and driving high-impact solutions across safety-critical systems.
In this role, you will lead the architecture and development of core software components, libraries, and tools that enable scalable, certifiable avionics platforms. You’ll work across the full software lifecycle, partnering with cross-functional teams to deliver high-quality solutions aligned with civil and military certification standards.
This is a unique opportunity to influence system-level design, advance open architecture initiatives, and contribute to technologies that define the future of aerospace.
This is a part-time position with a scheduled workweek of 30 hours.
What You Will Do
Lead 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)
Define and manage software requirements, decomposition, and traceability across complex systems
Develop and verify software using modern C++ and object-oriented design principles
Own and produce DO-178 certification artifacts, including DAL-A deliverables
Lead and support 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
Posted via Jobicy. Applications are handled by RTX. RemNavi earns no commission.
Apply on RTX →