JIRA MySQL CI/CD JQuery Jenkins Teamwork Equities Terraform SonarQube DevSecOps Innovation Kubernetes SAFe Agile PostgreSQL Opensearch Data Types Code Review Scalability Reliability Market Data RESTful API Multi-Cloud Spring Boot Data Access GitLab CI/CD Microservices Observability Test Automation Database Tuning Microsoft Azure Web Development Control Systems Software Design Data Processing Sprint Planning Computer Science Web Applications Front End Design Agile Methodology Docker (Software) Influencing Skills AWS CloudFormation Amazon Web Services User Interface (UI) Continuous Delivery Software Engineering Technical Leadership Demonstration Skills Atlassian Confluence Emerging Technologies Solution Architecture Software Architecture Flask (Web Framework) Engineering Practices Continuous Integration Django (Web Framework) Technical Requirements Angular (Web Framework) Geospatial Intelligence AWS Certified Developer Event-Driven Programming Application Environments SQL (Programming Language) Java (Programming Language) Vue.js (Javascript Library) Node.js (Javascript Library) Warehouse Management Systems Cascading Style Sheets (CSS) Scrum (Software Development) Infrastructure as Code (IaC) Amazon Elastic Compute Cloud React.js (Javascript Library) Python (Programming Language) Software Development Life Cycle Back End (Software Engineering) Front End (Software Engineering) HyperText Markup Language (HTML) Application Performance Management Enterprise Application Integration Application Programming Interface (API) Certified Information Systems Security Professional Top Secret-Sensitive Compartmented Information (TS/SCI Clearance), Are you a highly skilled Software Engineer ready to tackle complex technical challenges that directly support our nation’s intelligence mission? Leidos is seeking an accomplished Software Engineer Subject Matter Expert (SME) to join the Chinook Program supporting our Intelligence Community customer.

This is an exciting opportunity to bring your software engineering expertise to a high-impact mission where innovation, technical excellence, and teamwork make a real difference. You will work alongside talented engineers, architects, mission experts, and government stakeholders to develop and deliver secure, scalable, and modern software capabilities that support critical national security objectives.

As a Software Engineer SME, you won’t simply be writing code, you’ll help shape technical solutions, influence architecture, solve challenging engineering problems, and elevate the capabilities of the team around you. We are looking for a hands-on technical leader who thrives in a collaborative environment and is excited about applying modern software engineering practices to meaningful mission challenges.

In this role you will provide hands-on technical leadership across the full software development lifecycle, designing, developing, integrating, testing, deploying, and maintaining mission-critical applications and services. The SME will serve as a senior technical authority within the development team, helping establish sound engineering practices, resolve complex technical challenges, mentor other engineers, and collaborate closely with government and contractor stakeholders., * Serve as the senior technical SME and technical advisor for mission applications under the Chinook program.

• Design, develop, integrate, test, deploy, and maintain modern web applications and backend services.
• Develop scalable, maintainable, and secure software across both front-end and back-end tiers.
• Translate mission and technical requirements into robust software architecture and implementation plans.
• Provide technical leadership in software design, architecture, coding standards, code reviews, and engineering best practices.
• Develop and maintain RESTful APIs, microservices, data services, and system integrations.
• Build responsive and user-focused front-end interfaces using modern web development frameworks
• Design and optimize database schemas, queries, data-access layers, and data-processing workflows.
• Troubleshoot complex application, integration, performance, and production issues.
• Support automated testing, continuous integration/continuous delivery (CI/CD), and DevSecOps practices.
• Contribute to containerized and cloud-enabled application environments as applicable to the program.
• Participate in Agile/Scrum ceremonies, sprint planning, backlog refinement, demonstrations, and technical working sessions.
• Mentor junior and mid-level software engineers and promote consistent engineering practices across the team.
• Identify opportunities to improve application performance, reliability, security, scalability, and maintainability.
• Evaluate emerging technologies and recommend solutions based on mission requirements and technical feasibility., DevOps, Physics Chemistry Bitbucket Leadership Mathematics Artifactory Data Science Export Control Version Control Computer Science Secret Clearance Agile Methodology Embedded Software Problem Reporting Security Clearance Software Solutions Software Engineering Atlassian Confluence Collective Bargaining Digital Transformation C (Programming Language) Manufacturing Engineering Agile Software Development C++ (Programming Language) Git (Version Control System) Python (Programming Language) Software Development Life Cycle Troubleshooting (Problem Solving) Software Configuration Management Object-Oriented Programming (OOP) +0

Google IT Automation with Python Experienced Simulation Software Engineer - Training Systems Boeing

Hazelwood, MO*On-Site

Gitlab Physics Aviation Debugging Chemistry Innovation Algorithms Kubernetes Mathematics Test Design Artifactory Data Science Azure DevOps Apache Maven Export Control Virtualization Microsoft Azure Computer Science Containerization Secret Clearance Agile Methodology Docker (Software) Project Management Security Clearance Amazon Web Services Simulation Software Software Engineering Programming Languages Emerging Technologies Collective Bargaining Artificial Intelligence Configuration Management C (Programming Language) Manufacturing Engineering C++ (Programming Language) Google Cloud Platform (GCP) Python (Programming Language) +0

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Saint Charles, MO*On-Site

Active Top Secret/SCI with the ability to successfully pass a Polygraph examination., * US citizenship is required per contract.

• Bachelor’s degree in Computer Science, Software Engineering, or related field and 12-15 years of prior relevant experience or Master’s with 10-13 years of prior relevant experience.
• Proficient with the following technologies:
• Web: HTML, CSS, JSON, and REST APIs
• Object-oriented Programming: Python, Java, and JavaScript
• Advanced Programming: Go
• Front-end and Back-end Frameworks: React, Angular, Vue.js, jQuery, Spring Boot, Django, Node.js, Flask, or Svelte.

• Cloud Development: o Multi-cloud architectures: AWS, IBM, Google, Azure, and Oracle. o Specific AWS Services: S3, SQS, SNS, EC2, CloudFormation and RDS

• Relational Database: MySQL, PostgreSQL, or SQL Server
• NoSQL Database: OpenSearch/Elasticsearch.
• Operating System: Windows, Linux
• Version Control System: Git
• Proficiency with AWS (C2S/GovCloud) and Infrastructure-as-Code (Terraform, CloudFormation).
• Established experience building and deploying containerized services (Docker/Kubernetes).
• Solid understanding of DevSecOps tools: GitLab CI/CD, Jenkins, SonarQube, Nexus, Keycloak, Vault.
• In depth knowledge of Agile/Scrum practices and tools (JIRA, Confluence)
• Solid understanding of customer specific data types and standards, such as OGC WMS/WFS, NSG, and GEOINT workflows.

Preferred Qualifications:

• Frontend Web Development: UI/UX
• Prior experience supporting Intelligence Community mission systems.
• Experience with messaging/event-driven architecture.
• Experience with observability, logging, monitoring, and application performance management.
• Advanced certifications such as AWS Certified Developer or Solutions Architect, CISSP, SAFe Agile or similar.

Chinook

NSBA, Linux

Physics Debugging Chemistry Ingenuity Compilers Innovation Creativity Test Tools Mathematics Reliability Prototyping Imagination Data Science Adaptability Web Authoring Export Control Version Control Post Processing Data Processing Customer Service Computer Science Systems Thinking Secret Clearance Operating Systems Embedded Software Influencing Skills Security Clearance Industry Standards Software Solutions Process Improvement Development Testing Systems Integration Integration Testing Data Analysis Tools Software Engineering Software Development Collective Bargaining Software Architecture Information Processing Requirements Management Graphical User Interface Manufacturing Engineering C++ (Programming Language) Git (Version Control System) Python (Programming Language) Influencing Without Authority Interdisciplinary Collaboration Troubleshooting (Problem Solving) Transmission Control Protocol (TCP) +0

Google IT Automation with Python

Pay and benefits are fundamental to any career decision. That’s why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits .

If you’re looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We’re not hiring followers. We’re recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We’re already at step 30 - and moving faster than anyone else dares., Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com .