Job Title: Enterprise MuleSoft Integration Engineer / Architect
Location: Ft. Belvoir, VA
Work Model: Onsite – onsite
Security Clearance: Secret clearance
Responsibilities
• Architect, design, build, and centrally manage an enterprise-grade, scalable MuleSoft platform and runtime architecture, avoiding siloed separate tenants and enabling cross-program resource sharing and governance.
• Establish and scale a centralized enterprise data hub and enterprise gateway to expose modular APIs and secure data services across Army logistics, financial ERPs, trading partners, and enterprise systems.
• Support multi-program enablement and testing workflows, architecting environment configurations to scale beyond single-instance constraints and support concurrent partner testing, validation, and sandbox work within government cloud environments.
• Lead the modernization of legacy point-to-point and batch integrations into modular, service-oriented, API-led connectivity layers (System, Process, and Experience APIs).
• Act as the hands-on technical lead to design, implement and administer API managers to include disparate instances, runtime environments, client applications, contracts, SLA Tiers, policy applications, versioning and lifecycle promotion.
• Design and maintain clear API specifications and interface agreements using RAML, OpenAPI, JSON, XML, WSDL, and modern interface definitions.
• Construct complex, high-performance data transformations and mappings using DataWeave across heterogeneous data formats (JSON, XML, CSV, flat files, and database records).
• Integrate core enterprise applications, authoritative data sources, and ERP backends—including SAP-based Army systems, financial ledgers, Salesforce, ServiceNow, relational databases, message brokers, and transactional systems.
• Explore and incorporate modern integration capabilities, including event-driven architectures, messaging services (Anypoint MQ, Kafka, JMS), and emerging AI-enabled integration and data capabilities.
• Design and implement gateway-enforced traffic and protection policies based on strict DoW and Army cybersecurity, identity management and security controls, including OAuth, mTLS, PKI/certificates, secrets management, and role-based access controls (RBAC).
• Configure, automate, and maintain robust CI/CD deployment pipelines leveraging capabilities for gateway- and environment-specific configurations, policy and contract analysis, across the API management environment.
• Support deployment configurations across CloudHub / CloudHub 2.0, Runtime Fabric (RTF), containerized environments (Docker, Kubernetes), on-premises systems, and cArmy/AWS GovCloud infrastructure.
• Implement end-to-end observability, distributed logging, alerting, and telemetry using enterprise monitoring suites to ensure high availability, proactive troubleshooting, and root cause analysis.
• Develop and maintain comprehensive technical artifacts, including architectural blueprints, interface control documents (ICDs), API specifications, data flow diagrams, deployment runbooks, and platform governance standards.
• Guide other Army programs requesting integration and testing services, defining best practices, onboarding criteria, and sandbox utilization protocols.
Requirements
• Active Secret security clearance.• Bachelor’s degree in Computer Science, Software Engineering, Information Systems, or a related technical discipline OR equivalent relevant professional experience.
• Must have a baseline certification (e.g., Security+ CE, CySA+, CISSP, or equivalent) or documented education and relevant computing environment certifications (e.g., MuleSoft Certified Integration Associate, AWS Certified Cloud Practitioner) or documented education aligned with DoD 8140 / 8570.01-M policies.
• 7+ years of professional software development and enterprise systems integration experience.
• 5+ years of direct, hands-on experience with the design and delivery of enterprise-scale API gateway and management implementations, serving multiple programs, tenants, environments, organizations.
• Experience transitioning isolated, single-dev/single-tenant MuleSoft environments into centrally managed, multi-program shared platforms with controlled sandboxes.
• Strong proficiency in managing and provisioning Infrastructure as Code (IaC) and automating the deployment, scaling, and management of containerized applications (e.g., Kubernetes).
• Strong proficiency with the development, execution, and governance of integration flows connecting on-premise and cloud-based processes, services, applications, and data.
• Strong proficiency in the integration of enterprise identity services using APIs to manage, synchronize, and authenticate identities across systems.
System One, and its subsidiaries including Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.
System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.
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Ref: #851-Rockville-S1
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