Senior Application Integration Engineer

The Test and Training Enabling Architecture (TENA) program at Leidos is looking for a Senior Application Integration Engineer to join our team! Our mission is to develop tools for the United States Department of Defense test and training communities, to increase the speed of the development cycle, to get capabilities to the warfighter more rapidly. The Senior Application Integration Engineer will work within a team of engineers, developers and system administrators adding new capabilities to our enclaves, as well as ensuring the applications are integrated into the Identity Management system to enable single sign on and compliance with our permission models.

This position is located in Alexandria, VA and eligible for remote work.

Primary Responsibilities:

• Design, Development and Testing of TENA Identity Management tools (Keycloak and LDAP).
• Integration of commercial and GOTS applications into our Identity Management Framework.
• Perform security analysis as part of analysis of alternatives where there are multiple ways to integrate applications to highlight performance and security implications.
• Help manage both on-premise and cloud instances of the Identity Management tools.

Basic Qualifications:

• US Citizen with at least an active Secret clearance.
• Bachelor’s degree with 12+ years of experience or a Master’s degree with 10+ years of experience. Additional experience may be considered in lieu of a degree.
• 5+ years of experience developing and reviewing single sign on systems both for on premise and cloud deployments
• Strong analytical, communication, problem solving, and interpersonal skills
• Integration with Active Directory and OpenLDAP
• Design, Code and Test Keycloak extensions
• Experience integrating Atlassian applications with other commercial web applications

Preferred Qualifications:

• 5+ years successful track record of Integration with Active Directory and OpenLDAP
• 3+ years experience in Design, Code and Test Keycloak extensions
• 5+ years experience integrating Atlassian applications with other commercial web applications

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If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

June 24, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $131,300.00 - $237,350.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.