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Added 1 min ago
MA
Principal Corporate Technology Engineer
Microsoft AI
NY · Mountain View, CA · Redmond, WA
- $142,800 to $304,200 USD / year
We are looking for a Principal Corporate Technology Engineer to engineer the identity, SaaS, access-governance, internal application, integration, and endpoint capabilities that Microsoft…
Added 2 mins ago
Flight Simulation Software Engineer (Associate, Experienced, and Senior)
The Boeing Company
Daytona Beach, FL
The Boeing Company is looking for a Flight Simulation Software Engineer ( Associate , Experienced, and Senior) to join the Flight Simulation I Labs team located in Dayton Beach, FL. This…
Added 2 mins ago
Software Engineer Fellow
NCR VOYIX
Tallahassee, FL
Job Summary The Software Engineering Fellow at NCR VOYIX Corporation will contribute to the design, development, and maintenance of innovative software solutions. This role offers an…
Added 2 mins ago
Senior Lead Engineer
PwC
Boca Raton, FL · Tampa, FL · Jacksonville, FL · Orlando, FL · Miami, FL
As a Senior Lead Engineer you will lead custom application development and testing efforts that help clients turn business needs into scalable software solutions across cloud-native and…
Added 2 mins ago
Lead Engineer
PwC
Miami, FL · Orlando, FL · Jacksonville, FL · Tampa, FL · Boca Raton, FL
As a Lead Engineer you will guide the design, build, testing, and modernization of custom applications across cloud-native and on-premise environments, using modern engineering approaches,…
Added 2 mins ago
SUPERVISORY ELECTRONICS ENGINEER
Naval Air Systems Command
Jacksonville, FL
Added 2 mins ago
EG
Staff AI & Data Engineer – Databricks
Eliassen Group
Tallahassee, FL
- $80 to $90 USD / hour
Our client is seeking a highly experienced Staff AI & Data Engineer to design and build enterprise-grade data and AI solutions on Databricks. This hands-on role focuses on strengthening the…
Added 2 mins ago
EG
Senior Infrastructure Engineer
Eliassen Group
Orlando, FL
- $84 to $86 USD / hour
Our client seeks a Senior Infrastructure Engineer to support and evolve cloud infrastructure powering analytics platforms, optimization engines, and machine learning workloads. The role…
Added 2 mins ago
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Cybersecurity Systems Engineer II
Lyntris
San Diego, CA
- $115,000 to $145,000 USD / year
This position requires an active U.S. national security clearance. To learn more about the security clearance process please access this link.
Added 4 mins ago
A
Building Engineer
Aerotek
BELLEVUE, WA
- $90,000 to $93,600 USD / year
…well-established property management team as a Building Maintenance Engineer supporting commercial properties in Bellevue. This hands-on role is ideal for someone with experience in HVAC,…
Added 5 mins ago
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Manufacturing Engineer
GPAC
North Granby, CT
- $95,000 to $115,000 USD / year
We're looking for a Process Engineer to own and improve production on developing and implementing continuous improvement projects. This position provides technical support on machine…
Added 5 mins ago
G
Manufacturing Engineer
GPAC
New Milford, CT
- $95,000 to $115,000 USD / year
We're looking for a Process Engineer to own and improve production on developing and implementing continuous improvement projects. This position provides technical support on machine…
Added 5 mins ago
G
Manufacturing Engineer
GPAC
Simsbury, CT
- $95,000 to $115,000 USD / year
We're looking for a Process Engineer to own and improve production on developing and implementing continuous improvement projects. This position provides technical support on machine…
Added 5 mins ago
G
Manufacturing Engineer
GPAC
Shelton, CT
- $95,000 to $115,000 USD / year
We're looking for a Process Engineer to own and improve production on developing and implementing continuous improvement projects. This position provides technical support on machine…
Added 5 mins ago
G
Manufacturing Engineer
GPAC
Southbury, CT
- $95,000 to $115,000 USD / year
We're looking for a Process Engineer to own and improve production on developing and implementing continuous improvement projects. This position provides technical support on machine…
Added 6 mins ago
Senior Flight Test Engineer - Space Systems
Anduril Industries
Costa Mesa, CA
We are seeking a highly motivated and experienced Flight Test Engineer with a focus on developmental testing of a full range of Sub-sonic to Hypersonic systems. You will collaborate closely…
Added 7 mins ago
EMI/C Systems Engineer - Level 2 (AHT)
Northrop Grumman
Gilbert, AZ · Gilbert
The EMI/C Systems Engineer will be responsible for the complete compliance process from components to systems level, including EMI/C testing/designing, technical, cost, and schedule…
Added 7 mins ago
EMI/C Systems Engineer - Level 3 or 4 (AHT)
Northrop Grumman
Gilbert, AZ · Gilbert
The EMI/C Systems Engineer will be responsible for the complete compliance process from components to systems level, including EMI/C testing/designing, technical, cost, and schedule…
Added 8 mins ago
C
AI Operations Engineer
Coast
NY
- $150,000 to $180,000 USD / year
…you’ll write code; others you’ll run a workshop or redesign a process with a…
Added 10 mins ago
J
Support Operations Engineer
Jobgether
Remote, United States
- $100,000 to $130,000 CAD / year
This position is listed on behalf of a partner company, which manages all applications and next steps. Our partner is looking for a Support Systems Engineer based in United States .
Added 10 mins ago
Staff Software Engineer - Orders Platform
Jobgether
Remote, United States
We are seeking an experienced Staff Software Engineer to help shape and scale a mission-critical ordering platform that powers restaurant operations. In this high-ownership role, you will…
Added 15 mins ago
Assistant Program Manager - Engineering
County of Wake, NC
Raleigh, NC
As the Assistant Program Manager – Engineering,
Added 19 mins ago
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Quality Engineer
GPAC
Indiana
- $80,000 to $100,000 USD / year
gpac is partnered with a growing international pet food manufacturer seeking a Quality Engineer – Raw Materials to support raw material quality, supplier performance, and laboratory…
Added 19 mins ago
Controls Electrical Engineer
GPAC
Greenville, SC
We are seeking a motivated and experienced Controls Electrical Engineer to join our team. The ideal candidate will have a strong background in manufacturing, electrical engineering, and…
Added 19 mins ago
Controls Electrical Engineer
GPAC
Spartanburg, SC
We are seeking a motivated and experienced Controls Electrical Engineer to join our team. The ideal candidate will have a strong background in manufacturing, electrical engineering, and…

RTX

Senior Principal Software Engineer - Core Services and Libraries (Onsite)

United States

The salary range for this role is 132,400 USD - 251,600 USD.

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Job details

Pay: The salary range for this role is 132,400 USD - 251,600 USD.
Posting language: English
Posted: Nov 5, 2026

Original job description

Date Posted:

2026-11-05

Country:

United States of America

Location:

US-AL-HUNTSVILLE-382 ~ 420 Jan Davis Dr ~ DAVIS 382

Position Role Type:

Onsite

U.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 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.

Location: Onsite in Huntsville, AL

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 <10%).

What You Will Learn

Gain hands-on experience with cutting-edge and emerging technologies that are shaping the future of avionics and aerospace systems
Build end-to-end expertise across the full product lifecycle, from requirements and design through verification and delivery of safety-critical systems
Develop a deep understanding of software certification (DO-178) and how world-class avionics products meet rigorous regulatory standards
Learn how to design, scale, and sustain software product lines that support a wide range of platforms and global customers

Qualifications You Must Have

Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 10 years prior relevant experience or an Advanced Degree in a related field and minimum 7 years of experience.
Experience designing and developing software architecture, libraries, or platform-level components within an aerospace or safety-critical environment.
Experience leading technical execution of projects, including customer engagement and presenting to senior stakeholders.
Experience working across cross-functional engineering and program teams to deliver complex, integrated solutions.

Qualifications We Prefer

Hands-on experience supporting DO-178 software development and certification activities (e.g., requirements, verification, or certification artifacts)
Experience with C++ and VxWorks.
Experience writing High-Level and 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).

What We Offer

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
And more!

This role is eligible for relocation.

Learn More & Apply Now!

Avionics delivers advanced cockpit displays, vision systems, and comprehensive digital solutions for global government, commercial and business aviation customers. We provide connectivity and managed data services to ensure safety and seamless communication for passengers, crews, and militaries, from aircraft and airports to air traffic management. Join us in creating solutions that connect the world, one flight at a time. Start your application today.

Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products.

At Collins, the paths we pave together lead to limitless possibility. And the bonds we form – with our customers and with each other -- propel us all higher, again and again.

Apply now and be part of the team that’s redefining aerospace, every day.

As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.

The salary range for this role is 132,400 USD - 251,600 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.

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.

This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.

RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.

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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More about this job

Skills

C++
Design principles
Regulatory compliance
Leadership
Software development
Test procedures
IBM Middleware
Atlassian JIRA

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