Application Integration/DevSecOps Engineer

ECCO Select is a talent acquisition and consulting company specializing in people, process and technology solutions. We provide the talent behind the technology enabling our clients to achieve their goals. For more information about ECCO Select, visit us at www.eccoselect.com. Position Title: Application Integration Engineer Location Information KCMO Preferred / Remote (Availability during core U.S. business hours) Position Responsibilities: We are seeking a skilled Application Integration Engineer for a contract role to support modernization of authentication patterns across numerous legacy applications. In this highly collaborative position, you will guide and enable application teams as they adopt standardized OIDC or SAML-based integrations with a centralized identity provider, replacing legacy authentication approaches and improving enterprise security posture. As an Application Integration Engineer, your contributions will directly support the transition to a unified enterprise identity architecture. Your role goes beyond software development: you will act as a hands-on technical advisor, troubleshooter, integrator, and enabler, working closely with cross-functional teams to drive successful adoption of standardized authentication models. Essential Skills, Experience • Act as a technical guide for application teams modernizing authentication and authorization using OIDC and SAML. • Partner with stakeholders to assess, plan, and integrate legacy or custom applications with a centralized identity provider. • Assist application teams to understand and implement identity integration patterns and enterprise standards. • Provide practical hands-on support with application-side updates, including centralized authentication, token handling, redirect flows, session management, and consumption of claims. • Troubleshoot complex issues related to federation, login flows, authorization behaviors, and role or claims mapping. • Work collaboratively with IAM and identity platform specialists to align integrations with platform standards and security requirements. • Identify and remediate integration blockers, accelerating onboarding and modernization across multiple teams and applications in parallel. • Assess existing authentication models and recommend fit-for-purpose modernization paths for each application. • Contribute to creation and improvement of implementation playbooks, onboarding documentation, and repeatable integration patterns. • Support pilot integrations, helping to refine guidance and remove friction before expanding to the broader application portfolio. • Participate in technical working sessions, providing hands-on guidance and mentorship for engineering teams throughout the engagement. Required Experience and Knowledge: • Minimum 5 years in application integration, IAM integration, or related software engineering roles focused on application security or identity. • Demonstrated hands-on experience with both OIDC (OpenID Connect) and SAML integrations in enterprise environments. • Direct experience integrating applications with enterprise identity providers and adapting existing authentication patterns to federated models. • Strong command of authentication, authorization, token issuance and validation, claims handling, session management, and federation flows. • Proven ability to interface with development teams, enabling them to modernize and transition authentication components within legacy applications. • Advanced troubleshooting and debugging skills spanning both application and identity integration layers. • Ability to clearly communicate technical concepts, recommendations, and guidance to both technical and non-technical project stakeholders. • Preferred Experience:Integration experience with Okta or other modern centralized identity platforms. • Background in application modernization within large or regulated enterprises. • Proficiency with common enterprise app stacks such as Java, .NET, Node.js, or Python. • Familiarity with API security, secure session handling techniques, and robust access control implementations. • DevSecOps or secure application engineering expertise. • Experience working in federal, regulated, or large-scale enterprise IT environments. Qualifications: • Bachelor’s degree in Computer Science, Engineering, Information Systems, or related technical discipline—or equivalent practical experience. • Relevant professional certifications (e.g., identity management, security, cloud platform) are a plus. ECCO Select is committed to hiring and retaining a diverse workforce. Our policy is to provide equal opportunity to all people without regard to race, color, religion, national origin, ancestry, marital status, veteran status, age, disability, pregnancy, genetic information, citizenship status, sex, sexual orientation, gender identity or any other legally protected category. Veterans of our United States Uniformed Services are specifically encouraged to apply for ECCO Select opportunities. Equal Employment Opportunity is The Law This Organization Participates in E-Verify