Middleware Integration Engineer in Reston VA

Middleware Integration Engineer

Reston VA

Job Description

1. API & Integration Technology Knowledge
Intermediate hands-on understanding of REST, SOAP, SFTP, APIs, schemas, Developer Portal concepts, and authentication. Able to configure/test integrations, validate XML/JSON schemas, and troubleshoot common interface failures.
2. Integration Testing & Validation
Independently validates integrations for functional and non-functional completeness, including API contracts, error handling, resiliency, access controls, performance, and compatibility. Able to identify integration gaps before production.
3. Technical Troubleshooting & Root Cause Analysis
Able to independently investigate integration and non-production issues using logs, telemetry, test evidence, 5 Whys/fishbone analysis, and coordination with Product, Gateway, Security, and Infrastructure SMEs.
4. Infrastructure, Security & Authentication Knowledge
Working knowledge of API gateways, networking, cloud environments, OAuth/OIDC, mTLS, certificates, TLS, DNS, firewall/WAF concepts, and secrets management sufficient to analyze partner connectivity and environment issues.
5. Technical & Business Impact Analysis
Independently evaluates new products, releases, APIs, infrastructure changes, and security changes to determine impacts, dependencies, risks, testing requirements, partner actions, and rollback considerations.
6. Integration/Project Management
Manages an integration from approval through completion with limited support, including milestones, dependencies, risks, deliverables, execution plans, testing, partner readiness, and escalation of delays. Experience with tools such as Salesforce, Jira, Confluence, or similar tracking platforms is applicable.