Job Description
Principal Software Engineer
SAIC • Chantilly, VA, United States • via LinkedIn
18 hours ago
Full–time
Apply on LinkedIn
Apply on ZipRecruiter
Apply on SimplyHired
Qualifications
Minimum Clearance Required TS/SCI With Poly
Clearance Level Must Be Able to Obtain None
Active TS/SCI with polygraph
11 more items(s)
Responsibilities
This project is part of an overall effort to migrate portions or all of payroll systems to a new-shared service provider
Plan, design, and develop a cloud-based AWS API Gateway capable of moving data from multiple source systems to a shared service provider
Identify and implement a cloud-based solution for the API gateway
7 more items(s)
More job highlights
Job description
Job ID 2412860
Location CHANTILLY, VA, US
Date Posted 2026-10-03
Category Software
Subcategory SW Engineer
Schedule Full-time
Shift Day Job
Travel No
Minimum Clearance Required TS/SCI With Poly
Clearance Level Must Be Able to Obtain None
Potential for Remote Work No
Description
SAIC’s Space & Intel Business Group, USG Mission and Information Technology Division, is seeking a Principal Software Engineer to work work closely with 40+ interface partners across different organizations and agencies, in defining interface requirements, building a to-be architecture, performing comprehensive system testing, and ultimately, deploying an integrated internal and external facing API Gateway across two different agencies on the same classification network. This position is located in Chantilly, VA and requires an active TS/SCI clearance with Polygraph.
This project is part of an overall effort to migrate portions or all of payroll systems to a new-shared service provider.
Responsibilities include
• Plan, design, and develop a cloud-based AWS API Gateway capable of moving data from multiple source systems to a shared service provider.
• Identify and implement a cloud-based solution for the API gateway.
• Use APIs to design Representational State Transfer (REST) services and integrate them with existing data providers using JSON, XML or other software.
• Design, develop, and implement scalable, elastic micro services based platforms.
• Dissect existing Java applications.
• Develop micro services for specific system functionality.
• Develop detailed program specifications, design, and interface control documents
• Design, develop, and brief technical strategies.
• Provide technical guidance and coordination across multiple development teams to meet project objectives.
Qualifications
• Active TS/SCI with polygraph
• Bachelors and fourteen (14) years or more experience; Masters and twelve (12) years or more experience; PhD or JD and nine (+) years or more experience
• Demonstrated experience using Java, Java 2 Enterprise Edition (J2EE), Spring Boot, Representational State Transfer (REST), JavaScript Object Notation (JSON), microservices, and RabbitMQ.
• Demonstrated experience with micro services architecture. E
• Experience with databases, including knowledge of SQL and NoSQL.
• Experience dissecting existing Java applications.
• Ability to develop microservices for system functionality.
• Experience with Angular and React front-end development frameworks.
• Ability to build and design web services in the cloud.
• Ability to troubleshoot on Java or J2EE technologies.
• Experience using Java, Spring Framework, and GitHub.
Desired Skills
• Bachelor’s degree in Computer Science or Computer Engineering
• AWS Certified Solutions Architect - Associate or other cloud related certification.
SAIC accepts applications on an ongoing basis and there is no deadline.
Covid Policy SAIC does not require COVID-1+ vaccinations or boosters. Customer site vaccination requirements must be followed when work is performed at a customer site.
SAIC • Chantilly, VA, United States • via LinkedIn
18 hours ago
Full–time
Apply on LinkedIn
Apply on ZipRecruiter
Apply on SimplyHired
Qualifications
Minimum Clearance Required TS/SCI With Poly
Clearance Level Must Be Able to Obtain None
Active TS/SCI with polygraph
11 more items(s)
Responsibilities
This project is part of an overall effort to migrate portions or all of payroll systems to a new-shared service provider
Plan, design, and develop a cloud-based AWS API Gateway capable of moving data from multiple source systems to a shared service provider
Identify and implement a cloud-based solution for the API gateway
7 more items(s)
More job highlights
Job description
Job ID 2412860
Location CHANTILLY, VA, US
Date Posted 2026-10-03
Category Software
Subcategory SW Engineer
Schedule Full-time
Shift Day Job
Travel No
Minimum Clearance Required TS/SCI With Poly
Clearance Level Must Be Able to Obtain None
Potential for Remote Work No
Description
SAIC’s Space & Intel Business Group, USG Mission and Information Technology Division, is seeking a Principal Software Engineer to work work closely with 40+ interface partners across different organizations and agencies, in defining interface requirements, building a to-be architecture, performing comprehensive system testing, and ultimately, deploying an integrated internal and external facing API Gateway across two different agencies on the same classification network. This position is located in Chantilly, VA and requires an active TS/SCI clearance with Polygraph.
This project is part of an overall effort to migrate portions or all of payroll systems to a new-shared service provider.
Responsibilities include
• Plan, design, and develop a cloud-based AWS API Gateway capable of moving data from multiple source systems to a shared service provider.
• Identify and implement a cloud-based solution for the API gateway.
• Use APIs to design Representational State Transfer (REST) services and integrate them with existing data providers using JSON, XML or other software.
• Design, develop, and implement scalable, elastic micro services based platforms.
• Dissect existing Java applications.
• Develop micro services for specific system functionality.
• Develop detailed program specifications, design, and interface control documents
• Design, develop, and brief technical strategies.
• Provide technical guidance and coordination across multiple development teams to meet project objectives.
Qualifications
• Active TS/SCI with polygraph
• Bachelors and fourteen (14) years or more experience; Masters and twelve (12) years or more experience; PhD or JD and nine (+) years or more experience
• Demonstrated experience using Java, Java 2 Enterprise Edition (J2EE), Spring Boot, Representational State Transfer (REST), JavaScript Object Notation (JSON), microservices, and RabbitMQ.
• Demonstrated experience with micro services architecture. E
• Experience with databases, including knowledge of SQL and NoSQL.
• Experience dissecting existing Java applications.
• Ability to develop microservices for system functionality.
• Experience with Angular and React front-end development frameworks.
• Ability to build and design web services in the cloud.
• Ability to troubleshoot on Java or J2EE technologies.
• Experience using Java, Spring Framework, and GitHub.
Desired Skills
• Bachelor’s degree in Computer Science or Computer Engineering
• AWS Certified Solutions Architect - Associate or other cloud related certification.
SAIC accepts applications on an ongoing basis and there is no deadline.
Covid Policy SAIC does not require COVID-1+ vaccinations or boosters. Customer site vaccination requirements must be followed when work is performed at a customer site.
💡 Quick Summary
Seeking a career-building opportunity? The Principal software Engineer position is now open for candidates interested in the IT Engineer & Developer Jobs sector. This role in Chantilly offers a professional environment and growth potential.
Requirement Snapshot: Candidates should possess basic communication skills, a proactive attitude, and the ability to work in a team. Experience in IT Engineer & Developer Jobs is a plus.