Principal Software Engineer - Developer, Phantom Works

Boeing • Berkeley, MO

23h • Onsite

About The Position

The Boeing Company is seeking a Principal Software Engineer / Developer (Level 5) to support the Phantom Works Software Engineering team in Berkeley, Missouri, in the St. Louis area. The role supports Boeing Defense, Space & Security and the Phantom Works Open Architecture Systems Integrated Software (OASIS) Solutions team, defining, developing, and leading software development for real-time air and/or space systems in an Agile environment. The position works closely across teams to integrate software and hardware components supporting mission-critical defense infrastructure. It is expected to be 100% onsite at the listed Missouri location and requires an active U.S. Top Secret security clearance; U.S. citizenship is required for that clearance.

The engineer owns software architecture and integration practices, leads Agile software delivery and DevSecOps/CI/CD, and drives software testability, verification, and validation. The role also involves managing supplier software deliveries, coordinating with Systems and Integration & Test leads, tracking delivery metrics, mentoring engineers, and documenting integration and test results. Occasional travel to California (10%) may be required. Relocation is available based on eligibility. Candidates must complete a technical assessment as part of the selection process and satisfy the company’s Conflict of Interest assessment. The position is not contingent upon program award, is not safety-sensitive, and the employer will not sponsor employment visas.

Requirements

• Bachelor’s degree or equivalent.
• Active U.S. Top Secret security clearance; a clearance active within the past 24 months is considered active. U.S. citizenship is required for the clearance.
• At least 3 years of technical leadership experience in ground and software systems engineering, including requirements, design, and operation.
• At least 3 years of experience as the technical leader of a software development or product deployment team.
• At least 5 years of experience with DevOps and/or DevSecOps.
• At least 5 years of experience with configuration-management tools and best practices for systems, software, and hardware design.
• Must meet U.S. export-control requirements as a U.S. Person.
• Must complete a technical assessment as part of the selection process and satisfy the company’s Conflict of Interest assessment.
• Must be able to work onsite in Berkeley, Missouri.

Nice To Haves

• Level 5 qualification through a Bachelor of Science in a relevant field and 14+ years of related work experience, a bachelor’s degree and 18+ years of directly related work experience, or 22+ years of related, relevant experience.
• Advanced degree (MS/PhD) in a relevant field.
• Practical experience with requirements tracing and configuration management.
• Certified Scrum Master (CSM), Professional Scrum Master (PSM), SAFe Agilist, or equivalent Agile certification.
• Prior leadership on aerospace, defense, avionics, or other safety-critical systems.
• Experience with cloud-native infrastructure such as Docker/Kubernetes, AWS GovCloud, or Azure Government.
• Experience with model-based design/verification and SIL/HIL testing environments.
• Experience managing subcontractor software deliveries.
• Significant real-time embedded software experience (C/C++), low-level driver development, network stacks, and hardware/software testing and debugging for microcontrollers and/or FPGAs.
• Experience and ability to implement real-time embedded hardware, firmware, and software.
• Strong analytical skills and knowledge and proficiency with physical modeling and simulation tools.
• High-level software development experience for applied physics, modeling, and/or simulation using MATLAB, Python, Jupyter, or similar tools.
• Experience with real-time embedded systems and low-level driver development using microcontrollers, single-board computers, and/or FPGAs.

Responsibilities

• Own and maintain software architecture, emphasizing clear, stable, and versioned interfaces and maintainable production software.
• Work with stakeholders on system definition and oversee translation of system-level requirements into traceable software requirements and models.
• Manage supplier and subcontractor software deliverables to meet team processes and integration requirements.
• Lead Agile software delivery, including sprint planning, daily stand-ups, sprint reviews, retrospectives, and removing impediments.
• Own software backlog prioritization with product and system owners, define sprint goals, and deliver integration-ready increments on time.
• Define, document, and enforce software integration contracts, data models, and message definitions with Integration & Test and Systems leads.
• Ensure software is designed for testability, including required unit, component, integration, SIL/HIL test artifacts, observability hooks, and diagnosable failures.
• Lead DevSecOps and CI/CD practices, ensuring repeatable builds, automated testing, artifact traceability, and consistent deployments across development, integration, and test environments.
• Coordinate delivery cadence and controlled configuration baselines with Integration & Test.
• Drive verification and validation for software components, including test strategy development, analysis of test results, and defect triage.
• Establish and track delivery metrics such as velocity, cycle time, quality, and technical debt, and use them to improve predictability and quality.
• Coach and mentor engineers on Agile practices, test automation, CI/CD, code quality, and observability.
• Contribute to risk and issue management affecting software delivery and integration readiness, escalating when needed to protect integration milestones.
• Document integration results and test findings, and provide input to design reviews and readiness assessments.
• Perform control-system logic/algorithm, hardware, and software development tasks.

Benefits

• Competitive base pay and variable compensation opportunities.
• Eligible employees may enroll in health insurance, flexible spending accounts, health savings accounts, retirement savings plans, life and disability insurance programs, and programs providing paid and unpaid time away from work.
• Potential signing bonus for eligible and qualified external candidates.
• Relocation based on candidate eligibility.

What This Job Offers

• Job Type: Full-time
• Career Level: Principal