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# Sr API Integration Engineer

- **Company:** AQUA IT
- **Location:** Sterling, VA, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Microsoft Windows, Application Programming Interfaces (APIs), Agile Methodology, Amazon Web Services, Systems Engineering, Microsoft Azure, C Sharp (Programming Language), Cloud Computing, Cloud Engineering, Communications Protocols, Cyber Security, Computer Programming, System Configuration, Extract Transform Load (ETL), IBM Cloud Computing, Python (Programming Language), Log Analysis, Queueing Systems, Broadcom, Cloud Services, Scaled Agile Framework, Software Engineering, Data Streaming, System Integration Testing, System Testing, Systems Integration, Google Cloud, Cloud Platform System, Istio, Software Troubleshooting, Apigee, Event Driven Architecture, Linkerd (Service Mesh), Graphql, Api Design, Api Gateway, Oracle Cloud Infrastructure, Api Management, Docker, Mulesoft, Servicenow
- **Published:** October 27, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=4dac958060509060

## About the Role

* Minimum of 10 years of relevant professional experience.
 * Bachelor's or Master's degree in a STEM-related field.
 * Meet applicable DoDD 8140 requirements, with Security+ CE certification at a minimum as specified for the position.
 * Expertise working with Windows platforms and COTS applications in cloud environments.
 * 5+ years of experience with API gateway technologies; Broadcom API Gateway experience is strongly preferred.
 * Strong understanding of API design principles, security best practices, and industry-standard protocols.
 * Proficiency in programming languages such as Java, Python, or C#.
 * Experience with cloud technologies, including AWS, Azure, or Google Cloud Platform.
 * Familiarity with containerization and orchestration technologies, including Docker and Kubernetes.
 * Experience with cloud architecture and system design.
 * Strong troubleshooting and problem-solving skills, including log analysis and root-cause investigation.
 * Demonstrated experience with system testing and validation.
 * Experience working in Agile development environments.
 * Strong engineering discipline, analytical skills, technical documentation capabilities, and communication and collaboration skills.

Preferred (but not required):

 * Hands-on experience with Broadcom API Gateway technologies.
 * Experience with enterprise API management platforms such as MuleSoft or Apigee.
 * Relevant API or cloud certifications, such as AWS Certified Developer or Azure API Management-related credentials.
 * Experience with API gateways, API catalogs, and API management solutions.
 * Experience designing REST or GraphQL APIs and working with event-driven systems.
 * Experience integrating complex systems using APIs, message queues, streaming platforms, and ETL pipelines.
 * Experience with service mesh technologies such as Istio or Linkerd.
 * Familiarity with Model-Based Systems Engineering (MBSE) methodologies.
 * Experience with cloud solution optimization.
 * Experience with ServiceNow.
 * Familiarity with customer-specific system security requirements and processes.
 * Experience with additional cloud platforms, including Azure, Google Cloud, Oracle Cloud, or IBM Cloud.
 * Experience integrating virtualized applications and working with application streaming or layering techniques.
 * Ability to evaluate systems from an end-to-end engineering perspective, including relationships, dependencies, and requirements across cloud services, infrastructure, and security domains.

## Description

* Engineer, configure, maintain, and support enterprise API gateway technologies, including the integration of APIs across applications, services, and cloud environments.
 * Support the design and implementation of secure API integrations, applying established API design principles, security practices, and industry-standard protocols.
 * Integrate and support Windows-based platforms and Commercial Off-the-Shelf (COTS) applications operating within cloud environments.
 * Collaborate with software development, cloud engineering, systems engineering, and security teams to support application connectivity and systems integration.
 * Leverage programming and scripting experience with Java, Python, or C# to support API integration, configuration, and troubleshooting activities as needed.
 * Investigate and resolve complex API gateway, application connectivity, and systems integration issues through log analysis, root-cause investigation, and technical troubleshooting.
 * Support cloud architecture and system design activities, addressing relationships and dependencies between applications, infrastructure, cloud services, and security components.
 * Perform system integration testing and validation to verify functionality, identify technical issues, and support reliable operation of integrated systems.
 * Develop and maintain technical documentation covering system configurations, API integrations, engineering processes, and troubleshooting procedures.
 * Participate in Agile engineering activities, collaborating with technical stakeholders to address requirements, evaluate solutions, and resolve technical challenges.