Middleware Engineer

Koniag Government Services

. Design, develop, test, and deploy custom middleware solutions, integration proxies, protocol translators, and adapter components .

Posted 10/8/2026full-timeRemote • United StatesMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in designing and developing custom middleware solutions and integration components, with a strong focus on REST and SOAP APIs, SAML, OAuth 2.0, OIDC, and SCIM. Proficient in compliance with DoD security requirements and capable of providing technical guidance and support in a collaborative environment.

Highest-signal resume keywords

Middleware DevelopmentAPI EngineeringSAML 2.0, OAuth 2.0, OIDC, SCIM IntegrationJava, Python, JavaScript, Node.js, C#, PowerShell ProficiencyActive Secret Clearance

ATS Keywords

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Hard Skills

Middleware Solutions DesignREST API DevelopmentSOAP Web Services DevelopmentIntegration LibrariesUnit TestingIntegration TestingSecurity TestingTechnical DocumentationLegacy Application AnalysisSecure Coding Practices

Soft Skills

Strong Written CommunicationStrong Oral CommunicationIndependent WorkCollaborative Work

Tools & Technologies

OktaSailPoint IdentityIQLDAPActive DirectoryGitMicrosoft Office SuiteMicrosoft Teams

Certifications & Qualifications

Bachelor's Degree in Computer Science or Related FieldDoD CyberAwareness TrainingSecurity+ for IAT II or Equivalent

Industry Keywords

DFARS 239.73CUI HandlingOPSECDoD Security RequirementsDoD Zero Trust Requirements

Tech Stack

Tools & technologies

Cyber SecurityJavaJavaScriptNode.jsPythonSOAP

About the role

Key responsibilities & impact

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 on application triage, middleware feasibility assessments, integration pathways, risk registers, and gap analyses
Provide technical guidance and engineering support to application owners
Design and implement automated provisioning and deprovisioning workflows, SCIM endpoints, directory synchronization scripts, and lifecycle management hooks
Develop RBAC and ABAC solutions, including attribute mapping, claims transformation, and authorization policy enforcement components
Contribute middleware components and integration accelerators 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
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 compliance 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

What you’ll need

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
Demonstrated 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 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 (IIQ)
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 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 collaboratively
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

Benefits

Comp & perks

Medical, dental, and vision insurance
401(k) retirement plan
Paid time off
Paid parental leave
Life and disability insurance
Flexible spending accounts
Commuter benefits
Tuition reimbursement
Remote work arrangement
Occasional travel to Government facilities