Senior Systems Integration Engineer — Mission-Critical

Leidos; Englewood (CO); On-site; USD 108,000 - 195,000; Full time

Job summary

Leidos seeks a Senior Systems Integration Engineer to join the Chinook Program supporting an IC customer and essential national security applications. You will orchestrate integration across applications, infrastructure, data, interfaces, and mission capabilities to deliver a cohesive solution.

You will lead cross-disciplinary teams, define interfaces, troubleshoot complex system interactions, and mentor engineers while coordinating with stakeholders to ensure readiness and secure deployment.

Qualifications

• US citizenship is required per contract.
• Bachelor's degree in Computer Science, Software Engineering, or related field with 8–12 years of experience (or Master’s with 6–10 years).
• Experience with systems integration, software integration, or complex enterprise application environments.
• Experience analyzing system interfaces, dependencies, data flows, and integration requirements.
• Experience troubleshooting complex technical issues across multiple systems or applications.
• Experience with REST APIs, web services, databases, messaging, and distributed systems.
• Experience working in Agile/Scrum environments.
• Experience with requirements management and technical documentation.
• Experience collaborating across software, infrastructure, security, test, and systems engineering teams.

Responsibilities

• Lead integration activities across applications, infrastructure, data, network, security, and mission-system components.
• Develop and maintain system integration strategies, plans, procedures, and technical documentation.
• Analyze system and software requirements to identify integration dependencies, interfaces, constraints, and risks.
• Define and document system interfaces and integration requirements.
• Coordinate integration activities across multiple Agile engineering teams.
• Lead technical integration working sessions and troubleshoot complex cross-system issues.
• Develop integration approaches for APIs, microservices, databases, messaging systems, and external interfaces.
• Coordinate environments and technical dependencies required for integration and testing.
• Support end-to-end system integration and validation activities.
• Partner with Test Engineering to develop integration and end-to-end test strategies.
• Investigate defects and integration failures and lead root-cause analysis.

Skills

Systems integration

REST APIs

Agile/Scrum

Troubleshooting

Documentation

Cross-team collaboration

Education

Bachelor's degree in Computer Science/Software Engineering or related field

Master’s degree with 6-10 years of experience

Tools

Docker

Kubernetes

AWS

GitLab CI/CD

Jenkins

Confluence

Terraform

Job description

Leidos seeks a Senior Systems Integration Engineer to join the Chinook Program supporting an IC customer and essential national security applications. You will orchestrate integration across applications, infrastructure, data, interfaces, and mission capabilities to deliver a cohesive solution.

You will lead cross-disciplinary teams, define interfaces, troubleshoot complex system interactions, and mentor engineers while coordinating with stakeholders to ensure readiness and secure deployment.