Senior Systems Integration Engineer — Mission-Critical Ops

Leidos; Gaithersburg (MD); On-site; USD 108,000 - 195,000; Full time

Job summary

Leidos is seeking a Senior Systems Integration Engineer to support the Chinook Program for an Intelligence Community customer. You will guide technical integration across apps, infrastructure, data, and interfaces, coordinating multiple Agile teams and driving end-to-end validation of capabilities.

Responsibilities include defining interfaces, documenting integration requirements, and mentoring engineers while partnering with cross-functional teams to ensure mission-readiness and secure,

Qualifications

• US citizenship is required per contract.
• Bachelor’s degree in CS/SE or related field with 8–12 years of experience or Master’s with 6–10 years.
• Experience in systems/software integration and complex enterprise environments.
• Experience with REST APIs, web services, databases, messaging, and distributed systems.

Responsibilities

• Lead integration activities across applications, infrastructure, data, network, security, and mission components.
• Develop and maintain integration strategies, plans, procedures, and technical docs.
• Coordinate integration across multiple Agile teams and conduct root-cause analysis.
• Define interfaces, manage dependencies, and validate end-to-end system integration.

Skills

REST APIs

Web services

Distributed systems

Agile/Scrum

Requirements management

Technical documentation

Troubleshooting

System integration

Team collaboration

Mentorship

Education

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

Master’s degree in technical field

Doctorate in technical domain (equivalent experience considered)

Tools

Docker

Kubernetes

AWS

GitLab CI/CD

Jenkins

SonarQube

Nexus

Vault

Keycloak

PostgreSQL

MySQL

SQL Server

OpenSearch/Elasticsearch

Kafka

Job description

Leidos is seeking a Senior Systems Integration Engineer to support the Chinook Program for an Intelligence Community customer. You will guide technical integration across apps, infrastructure, data, and interfaces, coordinating multiple Agile teams and driving end-to-end validation of capabilities.

Responsibilities include defining interfaces, documenting integration requirements, and mentoring engineers while partnering with cross-functional teams to ensure mission-readiness and secure,