Software Engineer–Developer, Phantom Works Weapons (Associate or Experienced)

Job Description At Boeing, we innovate and collaborate to make the world a better place. We’re committed to fostering an environment for every teammate that’s welcoming, respectful and inclusive, with great opportunity for professional growth. Find your future with us. The Boeing Company is seeking an Application Software Engineer (Associate or Experienced) to join the Phantom Works Weapons team in St. Charles, MO (St. Louis Area). This teamsupports future weapons programs, including the Next Generation Cruise Missile program.

This is an opportunity to contribute to high-impact work where interdisciplinary collaboration, systems thinking, and technical creativity come together to shape next-generation capabilities. This position requires the ability to obtain a U.S. Secret Security Clearance and Special Program Access. Phantom Works is where imagination meets engineering excellence — a place where bold ideas are shaped to transform the future of defense.

The Phantom Works Weapons team is focused on delivering innovative solutions quickly through prototyping, with an emphasis on safety, security, and reliability in demanding operational environments. In this role, you will work across multiple stakeholders and programs to help develop software solutions to complex challenges that require both ingenuity and disciplined execution. Our teams are currently hiring for a broad range of experience levels including Associate or Experienced Level Software Engineers.

We are looking for someone who thrives in a collaborative environment, takes pride in customer satisfaction, and sees process improvement as part of delivering better outcomes. Success in this role requires comfort working across multiple contracts and programs, adaptability in evolving development environments, and a genuine interest in learning and applying new technologies. If you enjoy solving hard problems and want your work to help define what comes next, this team offers an opportunity to do exactly that. Find your Future with Us.

Position Responsibilities: Designs, develops, tests, and maintains embedded software throughout the end-to-end lifecycle that meets industry, customer, safety, and regulation standards. Reviews, analyzes, and translates customer requirements into initial design of software products. Develops interface definitions Performs unit and integration testing Participates in peer reviews Supports software system integration and test Create software documentation

Basic Qualifications (Required Skills/ Experience): Bachelor’s Degree Ability to obtain a U.S. Secret Security Clearance for which the US Government requires US Citizenship 1+ years of experience in C++, Python, and C# 1+ years of experience with Linux development 1+ years of experience git or similar version control system 1+ years of experience in software architecture development and open architectures 1+ years with network architectures and software application that communicate through TCP/UDP based networks

Preferred Qualifications (Desired Skills/Experience): 3 or more years’ related work experience or an equivalent combination of education and experience Associate Level / Bachelor of Science degree from an accredited course of study in engineering, engineering technology (includes manufacturing engineering technology), chemistry, physics, mathematics, data science, or computer science and 2+ years of related work experience OR Bachelor’s Degree and 6+ years of directly related work experience OR 10+ years of related, relevant experience Experienced Level / Bachelor of Science degree from an accredited course of study in engineering, engineering technology (includes manufacturing engineering technology), chemistry, physics, mathematics, data science, or computer science and 5+ years of related work experience OR Bachelor’s Degree and 9+ years of directly related work experience OR 13+ years of related, relevant experience Active U.S.

Secret Security Clearance Knowledge of host environments, including processors, operating systems and networks. Ability to build, integrate and troubleshoot software components. Knowledge of software architecture and design methodologies. Ability to synthesize software architectures and designs that meet requirements, characteristics and constraints. Knowledge of software development processes in compliance with established internal and industry standards, guidelines, and best practices in the development, testing, and deployment of software.

Knowledge of general and software development and testing tools, capability and usage. Examples include compilers, linkers, debuggers, data analysis tools, graphical user interface builders, post processing tools, requirements management tools, and web authoring tools. Knowledge of domains, characteristics, constraints and products that require software and influence architecture, requirements, interfaces, designs, and integration/test approaches. Domain examples include data processing, ground support, tools and analysis models.

Examples of characteristics and constraints that impact software include operating systems, fidelity and information processing capacity. Examples of products include aircraft, missiles, airborne/shipboard/space systems/ground-based support systems. Knowledge of implementation, validation, and verification processes, practices, and guidelines to ensure software development quality, performance, and safety.

Drug Free Workplace: Boeing is a Drug Free Workplace (DFW) where post offer applicants and employees are subject to testing for marijuana, cocaine, opioids, amphetamines, PCP, and alcohol when criteria is met as outlined in our policies.

Travel: Occasional travel may be required (less than 10%) Relocation: This position offers relocation based on candidate eligibility.

Note: Basic relocation will be offered for eligible internal candidates.

CodeVue Coding Challenge: To be considered for this position you will be required to complete a technical assessment as part of the selection process. Failure to complete the assessment will remove you from consideration.

Conflict of Interest: Successful candidates for this job must satisfy the Company’s Conflict of Interest (COI) assessment process. Pay & Benefits: At Boeing, we strive to deliver a Total Rewards package that will attract, engage and retain the top talent. Elements of the Total Rewards package include competitive base pay and variable compensation opportunities.

The Boeing Company also provides eligible employees with an opportunity to enroll in a variety of benefit programs, generally including health insurance, flexible spending accounts, health savings accounts, retirement savings plans, life and disability insurance programs, and a number of programs that provide for both paid and unpaid time away from work. The specific programs and options available to any given employee may vary depending on eligibility factors such as geographic location, date of hire, and the applicability of collective bargaining agreements.

Pay is based upon candidate experience and qualifications, as well as market and business considerations.

Summary Pay Range for AssociateLevel: $99,450 - $134,550 Summary Pay Range for Experienced Level: $126,650 -$171,350 Potential signing bonus for eligible/qualified external candidates. Applications for this position will be accepted until Oct. 21, 2026 Export Control Requirements: This position must meet U.S. export control compliance requirements. To meet U.S. export control compliance requirements, a “U.S. Person” as defined by 22 C.F.R. §120.62 is required. “U.S. Person” includes U.S. Citizen, U.S. National, lawful permanent resident, refugee, or asylee.

Export Control Details: US based job, US Person required Education Bachelor's Degree or Equivalent Required Relocation This position offers relocation based on candidate eligibility. Security Clearance This position requires the ability to obtain a U.S. Security Clearance for which the U.S. Government requires U.S. Citizenship. An interim and/or final U.S. Secret Clearance Post-Start is required. This position requires ability to obtain program access, for which the U.S. Government requires U.S. Citizenship only. Visa Sponsorship Employer will not sponsor applicants for employment visa status. Shift This position is for 1st shift

Equal Opportunity Employer: Boeing is an

Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, national origin, gender, sexual orientation, gender identity, age, physical or mental disability, genetic factors, military/veteran status or other characteristics protected by law.