• Build and maintain containerized environments using Docker and Kubernetes. • Implement and manage monitoring, logging, and observability solutions to ensure system reliability and performance. • Support CI/CD pipelines and deployment automation for cloud-based applications. • Improve system security, reliability, and operational best practices across infrastructure and applications. • Implement distributed tracing and monitoring strategies to improve system visibility. • Collaborate with engineering teams to optimize deployments, troubleshooting, and performance. • Contribute to platform improvements, automation, and infrastructure reliability initiatives.

General program information and/or position overview. The Repeatable Offerings Team at Leidos currently has an opening for a Principal SW Engineer to support our AppDev team currently supporting the ESA V ATF Team. This is an exciting opportunity to use your experience helping the Repeatable Offerings Organization support our customer’s technology mission. This position is focused on providing technical leadership, strategic guidance and deep domain knowledge throughout the entire application lifecycle. We are looking for the right person to serve as a bridge between technical teams and stakeholders, ensuring that the customer applications are built to be aligned with the evolving government objectives. Primary Responsibilities. Effectively coordinate, lead, and support developers, operations, product owners, and key stakeholders through partnering to implement Service Level Objectives, Service Level Indicators, and Incident Management processes. - Serve as a primary technical resource for DevOps strategy, automation, and deployment standards, guiding development and operations teams. - Design, build, and maintain robust and scalable CI/CD pipelines for effective and efficient code releases. - Implement Infrastructure as Code (IaC) using tools such as Terraform or Ansible. - Automate configuration management to promote mature change management and release strategies. - Establish relevant and actionable monitoring and alerting for microservice-based applications and infrastructures. - Collaborate with other teams to ensure smooth and secure build, release, and deployment processes. - Integrate DevSecOps principles and automated security tools into CI/CD pipelines. - Advise and support troubleshooting infrastructure and deployment issues. - Champion a DevOps culture, evaluate new technologies, and stay updated on industry trends. - Support current and future complex and demanding customers with an established team, providing coaching and guidance on DevOps best practices. - Develop and integrate custom-developed software solutions to leverage automated deployment technologies. - Develop, prototype, and deploy solutions within Commercial/Government Cloud Solutions leveraging Infrastructure platform services. - Coordinate closely with team members, Product Owners, and Scrum Masters to ensure User Story alignment and implementation to customer use cases. - Analyze infrastructure needs driven by developed software to meet customer mission needs, utilizing proof-of-concept, performance, and end-to-end testing. - Support the Agile software development lifecycle following Program SAFe practices. - Document and maintain containerized images and deployment artifacts across different environments, leveraging GitFlow constructs. - Communicate key project data to team members and build team cohesion and effectiveness. - Leverage Atlassian tool suite like JIRA and Confluence to track activities. - Apply and identify best practices and standard operating procedures. - Architect innovative solutions to meet the technical needs of customers. Mandatory Skills: - Must be able to obtain and maintain a Public Trust security clearance (US Citizenship required) - Master's Degree with 15+ years of prior relevant experience. Will consider work experience in lieu of a degree. - Proficient with common Agile practices, service-oriented environments, and development practices. - Experience with SAFe development practices. - 3-5 years of experience with at least one object-oriented programming language: Python, Java, or C. - Expert in the software development lifecycle, with experience delivering within DevOps toolsets/practices. - Design and management of scalable CI/CD pipelines using tools like Jenkins or GitLab CI. - Direct experience utilizing software testing performance tools. - Experience with scripting languages such as Python or Bash. - Experience working in an Agile development environment and tempo. - Solid knowledge of Kubernetes/Openshift and AWS cloud services. - Experience with Docker, Terraform, and Helm. - Proficiency with Linux/Unix systems administration. - Working knowledge of monitoring and logging tools (Prometheus, Kibana, CloudWatch). - Experience with database technologies (SQL Server, Postgres). - Excellent communication skills (written and verbal). - Well versed with using version control systems (Git). - Well versed with using issue/problem tracking systems (Jira). Desired Skills: - AWS certification. - Experience with AWS Data management services. - Experience developing with cloud data services (S3, RDS, EFS). - Experience with RESTful APIs, JSON, and AJAX. - Active ATF clearance (or ability to obtain). 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. Original Posting: November 20, 2025 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $154,050.00 - $278,475.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

• Develop and maintain DevOps architectural best practices • Develop and maintain architectural standards and it's components across diverse infrastructures • Configure and improve Kubernetes add-ons to extend platform capabilities and securely integrate with external systems. • Experience with Kubernetes platform engineering in a production environment (EKS, cluster operations, add-on integration, and policy-based governance). • Design and implement secure, automated, and scalable CI/CD pipelines. • Enforce RBAC, network policies and other guardrails for cluster security in a multi-tenant environment • Lead the integration of security practices into the DevOps process, including code scanning, vulnerability assessments, and security testing • Collaborate with security teams to implement and enforce security controls throughout the development lifecycle • Evaluate, select, and implement DevSecOps tools and technologies that align with organizational goals • Improve existing toolchains for improved efficiency and security • Implement automation scripts and tools for infrastructure provisioning, configuration management, and deployment • Develop and maintain infrastructure as code (IaC) templates for cloud and on-premises environments. • Establish monitoring and alerting systems for both security and performance metrics. • Increase infrastructure and applications for improved efficiency and reliability. • Work with development, operations, and security teams to foster a culture of collaboration and continuous improvement. • Provide training and mentorship to team members on DevOps best practices.

• Participate in all aspects of software development • Build and maintain highly reliable CI/CD pipelines • Contribute to software design and architecture • Collaborate with the software development team • Document and present your ideas and solutions • Participate in on-call rotations to support production systems