> Markdown version of [/jobs/ext/4295437-senior-software-systems-engineer](https://www.wearedevelopers.com/jobs/ext/4295437-senior-software-systems-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Senior Software Systems Engineer

- **Company:** Science Applications International Corporation
- **Location:** Silver Spring, MD, United States (Remote available)
- **Experience:** Expert
- **Salary:** $140,001.0 - $180,000.0
- **Contract:** Permanent contract
- **Skills:** ASP.NET, Java (Programming Language), JavaScript (Programming Language), XML Schema, Amazon Web Services, Amazon Cloudfront, Amazon Elastic Compute Cloud, Amazon S3, HTML5, Microsoft Azure, C Sharp (Programming Language), Cascading Style Sheets (CSS), Cloud Computing, Design of User Interfaces, Hibernate (Java), Spring Framework, Python (Programming Language), PostgreSQL, Microsoft SQL Server, SQL Azure, MySQL, Nginx, Oracle (Applications), Search Technologies, Amazon Simple Notification Service (SNS), Software Engineering, Software Systems, TypeScript, Web Services, Extensible Markup Language (XML), ReactJS, Spring-boot, Backend, Cloudformation, Amazon Relational Database Service, AngularJS, Bicep, AWS Fargate, Front End Software Development, Functional Programming, Restful APIs, Amazon Simple Queue Service (SQS), Key Vault, Golang, Microservices
- **Published:** October 28, 2026
- **Apply:** https://www.dice.com/job-detail/d59d6c97-97f7-4a4c-99c6-24409664d2d4

## About the Role

* BS and nine (9) years or more experience; four (4) years of experience accepted in lieu of degree, * Cloud & Platforms: AWS (ECS/Fargate, Lambda, SQS, SNS, S3, CloudFront, RDS, EC2), Azure (App Services, Functions, Blob Storage, Key Vault, Azure SQL, AI Search), Infrastructure as Code (CloudFormation, Bicep)
 * Backend & APIs: Java, Python, Go, Spring, Spring Boot, Hibernate, C#, ASP.NET, RESTful Microservices
 * Frontend: React, Angular, TypeScript, JavaScript, HTML5, CSS, NGINX
 * Databases: PostgreSQL, Oracle, MySQL, SQL Server, Azure SQL

Required Clearance:

 * Active Secret Security Clearance

## Description

* Supports DRRS Software Design Specification Compliance; provides a web services-based system, exposing all data via Extensible Markup Language (XML), employing a DoD standards compliant XML schema and interfaces for DRRS
 * Assists with software development in support of defect corrections, enhancements and new requirements, as well as examining NetUSR-MC in a Production environment to recommend and implement UI/UX improvements to the App Interface