Join a team that designs, develops, and integrates advanced APU (Auxiliary Power Unit) control systems for Honeywell Aerospace. In this role, you will contribute to the definition, decomposition, validation, and verification of system requirements across the full product lifecycle. You will collaborate with multidisciplinary teams to deliver high-integrity solutions for gas turbine engine applications.
As a Senior Advanced Systems Engineer, you will be a key technical contributor responsible for requirements-based engineering of APU control system functions and components. You will work hands-on on requirements generation, system architecture support, interface definition, and V&V activities while collaborating closely with technical leads and project engineering.
You will operate across the APU Control Systems organization—part of the Engines & Power Systems business—to support program execution, ensure technical rigor, and help meet customer and business milestones.
You will report directly to our Systems Engineering Manager, and you’ll work out of our Phoenix, AZ on a hybrid work schedule. Will be required to work on-site full time for the first 90 days
Engineering
Develop, decompose, and manage system and subsystem requirements for APU control systems
Support system architecture discussions, functional decomposition, interface definition, and requirements allocation
Apply environmental qualification requirements (DO-160, MIL-STD-810, MIL-STD-461) to APU control systems, including identifying gaps and contributing to closure strategies such as similarity, analysis, or targeted testing
Requirements-Based Engineering
Participate in validation and verification planning, execution, and documentation
Generate and review requirements, test plans, test procedures, and V&V evidence
Ensure completeness, traceability, and compliance of system requirements across lifecycle phases
Integration & Technical Coordination
Collaborate with hardware, software, test, and project engineering teams to ensure alignment between requirements and implementation
Support requirement changes, technical issue resolution, and impact assessments
Program Support
Provide input to schedules, milestones, and technical risk assessments
Deliver high-quality engineering artifacts on time
Engage with internal and external customers to clarify requirements, present technical updates, and support design reviews
YOU MUST HAVE
WE VALUE
About Honeywell Aerospace
Join a company that's reintroducing itself to the aviation community we've helped advance for more than a century. At Honeywell Aerospace (NASDAQ: HONA), we're launching as an independent, publicly traded aerospace and defense company built on a legacy of operational excellence and mission-focused execution.
Our new brand identity pairs that heritage with real momentum, as we build technology that helps pilots navigate with confidence, aircraft operate more efficiently, and operators stay ahead of change. With our systems on board 90% of the world's aircraft, your work here has reached that's rare to find anywhere else.
Focusing on our customers, investing in innovation, and building a culture of accountability and performance is how we're shaping what comes next.
Every horizon. Every mission. Every day.
Honeywell Aerospace Benefits
Beyond a performance-driven salary, you'll work alongside dedicated experts on technology that's advancing aviation. As a Honeywell Aerospace employee, you're eligible for a comprehensive benefits package that includes:
• Employer-subsidized medical, dental, vision and life insurance
• Short-term and long-term disability coverage
• 401(k) match, flexible spending accounts and health savings accounts
• Employee assistance program and educational assistance
• Parental leave and 12 paid holidays
• Paid time off for vacation, personal and sick time
Explore your benefits: https://honeywellaerospacebenefits.com/
Due to compliance with U.S. export control laws and regulations, candidate must be a U.S. Person, which is defined as, a U.S. citizen, a U.S. permanent resident, or have protected status in the U.S. under asylum or refugee status or have the ability to obtain an export authorization.
The application period for the job is estimated to be 40 days from the job posting date; however, this may be shortened or extended depending on business needs and the availability of qualified candidates. Job Posting Date: August 26, 2026

Honeywell Aerospace is a global aerospace and defense leader delivering advanced avionics, engines, navigation and control systems. Our technologies power safer, more efficient, reliable commercial, defense and space missions for customers worldwide.