Principal Systems Engineer at Honeywell Aerospace US LLC in Phoenix, Arizona

Job Description

Join a team that designs, develops, and integrates advanced Auxiliary Power Unit (APU) control systems for Honeywell Aerospace. You will be a key technical leader ensuring the successful design, development, and qualification of APU control systems across the full product lifecycle. You will collaborate with multidisciplinary teams to deliver high-integrity solutions for gas turbine engine applications.

As the Principal Systems Engineer, you will guide a team responsible for the requirements-based engineering of APU control system functions and components. While providing direction and technical oversight, you will also contribute hands-on to requirements generation, system architecture, interface definition, V&V activities, and system qualification.

You will work across the APU Control Systems organization—part of the Engines & Power Systems business—to support program execution, ensure technical rigor, and meeting key customer and business milestones.

Responsibilities
Key Responsibilities

• • Systems Engineering Leadership

• • Provide technical direction, coaching, and review of work products created by the requirements engineering team

• • Ensure completeness, traceability, and compliance of system requirements across all lifecycle phases

• • Lead 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 between current capability and requirement intent, and determining closure strategies such as similarity, analysis, or targeted testing

• • Act as the primary interface between the APU Control Systems team, Program Management, and customers

• • Requirements Based Engineering

• • Develop, decompose, and manage system and subsystem requirements for APU control systems

• • Oversee and participate in validation and verification planning, execution, and documentation

• • Review and approve requirements, test plans, test procedures, and V&V evidence

• • Integration & Technical Coordination

• • Work closely with hardware, software, test, and project engineering to ensure alignment between requirements and implementation

• • Coordinate requirement changes, resolve technical issues, and support impact assessments

• • Program Execution

• • Participate in project planning and provide input to schedules, milestones, and technical risk assessments

• • Ensure timely, high-quality delivery of engineering artifacts

• • Engage with internal and external customers to clarify requirements, present technical status, and support design reviews

Qualifications
YOU MUST HAVE

• • Bachelor’s degree in Systems Engineering, Aerospace Engineering, Electrical Engineering, Mechanical Engineering, or related field

• • US Citizenship or permanent residency required due to export control restrictions

• • 12+ years of relevant engineering experience

• • Experience with requirements development, qualification, and systems testing for complex aerospace systems

• • Proficiency with IBM DOORS for requirements management and traceability

• • Familiarity with DO-160, MIL-STD-810, and MIL-STD-461

WE VALUE

• • Deep knowledge of systems engineering lifecycle and requirements management best practices

• • Ability to lead small teams and influence technical direction

• • Strong analytical, communication, and organizational skills

• • Ability to manage multiple tasks in a dynamic environment

• • Experience working with suppliers, customers, and cross-functional engineering teams

US PERSONS REQUIREMENT

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.

About us:

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 reach 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.

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/

POSTING TIMELINE

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.