> Markdown version of [/jobs/ext/4600663-principal-systems-engineer](https://www.wearedevelopers.com/jobs/ext/4600663-principal-systems-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Systems Engineer - **Company:** Honeywell Aerospace - **Location:** Phoenix, AZ, United States - **Contract:** Permanent contract - **Skills:** Systems Engineering, Requirements Management, Software Requirements Analysis, Systems Architecture, System Testing, DOORS (Software), MIL-STD-810 Environmental Testing - **Published:** November 6, 2026 - **Apply:** https://www.careerbuilder.com/job-details/principal-systems-engineer-phoenix-az--dbb5e8b4-6b78-442e-b5d0-3b2b1b74fc72 ## About the Role Systems Engineering, Aerospace and Defense, Control Systems, Product Lifecycle, Technical Leadership, Cross-Functional, System Architecture, Control Engineering, Systems Engineering, Electrical Engineering, * 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. ## 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., * 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 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