Middleware Engineer

• Design, develop, test, and deploy custom middleware solutions, integration proxies, protocol translators, and adapter components
• Engineer custom connectors, REST and SOAP APIs, scripts, and integration libraries connecting non-standard applications to Okta and SailPoint IdentityIQ
• Analyze legacy application architectures, authentication mechanisms, and data flows to design integration approaches using SAML, OAuth 2.0, OIDC, and SCIM
• Develop reusable integration libraries, sample code repositories, and middleware components
• Collaborate with migration engineers, platform engineers, team leads, and application owners on integration requirements and technical solutions
• Provide middleware feasibility assessments and document integration pathways, risk registers, and gap analyses
• Advise application owners on middleware architecture and troubleshoot application‑side integration failures
• Develop automated provisioning and deprovisioning workflows, SCIM endpoints, directory synchronization scripts, and lifecycle management hooks
• Implement RBAC and ABAC solutions, attribute mapping logic, claims transformation middleware, and authorization policy enforcement components
• Contribute reusable components to self‑service and automated enablement tooling
• Conduct unit, integration, and security testing before deployment
• Support test plan development, technical integration tests, UAT events, defect diagnosis, and resolution
• Ensure compliance with DFARS 239.73 supply chain risk management requirements and vet third‑party dependencies
• Produce and maintain architecture diagrams, data flow diagrams, API specifications, deployment guides, and operational runbooks
• Contribute to middleware engineering standards, coding best practices, reusable component libraries, and integration playbooks
• Ensure solutions comply with Section 508 and DoD security requirements, including CUI handling, OPSEC, and DFARS 252.204-7012
• Maintain knowledge of middleware technologies, identity integration patterns, and DoD Zero Trust requirements

Requirements

• Bachelor's degree in Computer Science, Software Engineering, Information Technology, Information Systems, or a related field from an accredited college or university
• Minimum of 5 years of hands‑on software or systems engineering experience, including at least 3 years of direct experience in middleware development, API engineering, or enterprise application integration
• Experience designing and developing custom integration solutions, including REST APIs, SOAP web services, protocol adapters, or middleware components in a production enterprise environment
• Experience integrating applications with enterprise identity platforms using SAML, OAuth 2.0, OIDC, or SCIM
• Active Secret clearance
• Ability to satisfy requirements for CAC‑card issuance and NIPRNet access
• Annual DoD CyberAwareness training and certification
• Strong proficiency in one or more of Java, Python, JavaScript, Node.js, C#, or PowerShell
• Hands‑on experience developing and consuming REST APIs and SOAP web services
• Practical implementation experience with SAML 2.0, OAuth 2.0, OIDC, and SCIM
• Experience analyzing and reverse‑engineering legacy application authentication and authorization mechanisms
• Familiarity with Okta and SailPoint IdentityIQ, including integration APIs and connector frameworks
• Experience with LDAP, Active Directory, and SCIM‑based directory synchronization
• Proficiency with Git, including branching strategies, code review processes, and collaborative development workflows
• Experience implementing secure coding practices
• Ability to conduct unit testing, integration testing, and security‑focused code reviews
• Strong analytical and problem‑solving skills
• Strong technical documentation skills
• Familiarity with DoD security requirements, including CUI handling, OPSEC, DFARS 252.204-7012, DFARS 239.73, and DoDM 8140.03
• Strong written and oral communication skills in English
• Ability to work independently and as part of a collaborative cross‑functional team
• Proficiency with Microsoft Office Suite and Microsoft Teams
• Ability to obtain and maintain required DoD cybersecurity certifications per DoDM 8140.03, such as Security+ for IAT II or equivalent
• Occasional travel to Government facilities may be required

Core Competencies

Demonstrates expertise in middleware development, API engineering, and enterprise application integration, with a strong focus on compliance with DoD security requirements and identity integration patterns. Proficient in designing and implementing custom integration solutions using industry‑standard protocols and technologies.

Highest‑signal resume keywords

• Middleware Development
• API Engineering
• SAML 2.0, OAuth 2.0, OIDC, SCIM
• Java, Python, JavaScript, Node.js, C#, PowerShell
• Active Secret Clearance

ATS Optimization Keywords

Hard Skills

• Middleware Development
• API Engineering
• REST APIs
• SOAP Web Services
• Integration Solutions
• Legacy Application Analysis
• Secure Coding Practices
• Unit Testing
• Integration Testing
• Technical Documentation

Soft Skills

• Analytical Skills
• Problem‑Solving Skills
• Written Communication
• Oral Communication
• Collaboration

Certifications & Qualifications

• DoD CyberAwareness Training
• Security+ for IAT II

Industry Keywords

• DFARS 239.73
• CUI Handling
• OPSEC
• DoD Security Requirements
• DoD Zero Trust

Tools & Technologies

• Okta
• SailPoint IdentityIQ
• LDAP
• Active Directory
• Git
• Microsoft Office Suite
• Microsoft Teams