Senior Systems Integration Engineer - Mission-Critical IC/DoD

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

Job summary

Leidos is seeking a Senior Systems Integration Engineer to join the Chinook Program supporting an Intelligence Community customer. You will lead cross‑discipline integration across applications, infrastructure, data, interfaces, and mission components to form a cohesive operational solution in a complex national security environment.

You’ll coordinate across Agile teams, develop integration strategies, analyze interfaces and data flows, and mentor junior engineers while helping to drive

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 of experience.
• Demonstrated 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.
• Analyze logs, application behavior, interfaces, data flows, and system configurations to isolate issues.
• Coordinate resolution of integration defects across engineering teams.
• Support deployment, release, and operational readiness activities.
• Evaluate technical impacts associated with application changes, infrastructure changes, and new capabilities.
• Identify integration risks and dependencies early and communicate them to engineering and program leadership.
• Maintain integration schedules, technical dependencies, and readiness criteria.
• Support Agile ceremonies, PI Planning, backlog refinement, sprint planning, and technical demonstrations.
• Participate in architecture and technical design reviews.
• Provide technical guidance and mentorship to less‑experienced systems and integration engineers.
• Collaborate with customer and mission stakeholders to understand operational integration requirements.
• Support continuous improvement of integration processes, tooling, automation, and engineering practices.

Skills

Systems integration

Software integration

REST APIs

Web services

Databases

Distributed systems

Agile/Scrum

Requirements management

Education

Bachelor's in Computer Science or related field

Master's degree with 6–10 years of experience

Tools

Docker

Kubernetes

Terraform

Jenkins

GitLab CI/CD

PostgreSQL/MySQL/SQL Server

Job description

Leidos is seeking a Senior Systems Integration Engineer to join the Chinook Program supporting an Intelligence Community customer. You will lead cross‑discipline integration across applications, infrastructure, data, interfaces, and mission components to form a cohesive operational solution in a complex national security environment.

You’ll coordinate across Agile teams, develop integration strategies, analyze interfaces and data flows, and mentor junior engineers while helping to drive