Senior Software Integration Engineer

The GEOAxIS system provides Identity, Credential and Access Management (ICAM) for web applications. GEOAxIS enables online, on-demand, access to NGA GEOINT content based on user’s authoritative attributes/roles. Our Mission is to maintain highly available ICAM services for protecting those critical mission applications across multiple security domains. The GxNext contract was awarded to Leidos in 2021 and runs until 2031.

In this role, you’ll work directly with the Consumer Integration team in Chantilly, Virginia to meet deadlines and improve their technical procedures. You will enjoy learning new concepts and technologies and will brief status and capabilities to technical and non-technical audiences as you support them throughout their integration. Day-to-day, you’ll be working with consumers of Gx services all over the world to support their mission activities.

Responsibilities:

Leverage project management skills to manage a client’s integration with our services

Debug software issues, investigate root causes, and recommend fixes

Brief Program and/or Customer leadership; Communicate to clients and partners aspects of both the product and the implementation at the technical and functional level appropriate for the situation

Implement, evolve, and support authentication, Single Sign On (SSO), Security Assertion Markup Language (SAML), federation, and cloud infrastructure

Implement methods, standards, and approaches for describing, analyzing, and documenting an organization's enterprise IT architecture

Perform software testing or validation procedures, improving the procedures as needed

Perform system integration and experience integrating services from different systems

Help remove impediments and raise larger issues to the Program Leadership

Feeding the CI/CD pipeline – requirements gathering through usability sessions

Basic Qualifications:

Active TS SCI Clearance, CI Poly eligible; Must be a US Citizen

Bachelor’s degree or equivalent work experience with 8 years of relevant work experience or master’s degree with 6 years of prior relevant experience

Excellent written and verbal communication skills and extensive experience working with external

Demonstrated ability to document processes/ procedures

Ability to recognize when the client requires customizations to a standard solution

Ability to debug software issues, investigate root causes, and recommend fixes

SEC+ certification or DoD 8570 IAT Level II certification, or ability to attain certification within 60 days of start

Preferred Qualifications:

Active TS SCI clearance with CI Poly

Active CompTIA Sec+ Certification

Demonstrated experience in strong authentication technologies and protocols (e.g., PKI, SSL)

System administration skills with Linux systems

Knowledge of software development lifecycle (SDLC), Scrum, and Agile processes

Knowledge of Oracle Identity and Access Management (IdAM) suite, including Oracle Access Manager (OAM), and Oracle Unified Directory (OUD)

Knowledge of Ping, Kubernetes, Docker, and Ansible

Knowledge of authentication standards using OAuth, SAML, or PKI

Knowledge of open standards such as REST, SOAP, JSON, LDAP

Knowledge of Authentication (AuthN), Authorization (AuthZ), Digital Policy Management (DPM), Entitlement Management (EM), and Authoritative Attributes (AuthA)

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:

August 28, 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 $107,900.00 - $195,050.00

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.