> Markdown version of [/jobs/ext/3772176-operations-maintenance-enterprise-architect-active-ts-sci](https://www.wearedevelopers.com/jobs/ext/3772176-operations-maintenance-enterprise-architect-active-ts-sci). 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). --- # Operations & Maintenance Enterprise Architect/ Active TS, SCI & - **Company:** Peraton Inc - **Location:** Washington, DC, United States - **Experience:** Expert - **Salary:** $86,000 - $138,000 - **Contract:** Permanent contract - **Skills:** Query Performance, ASP.NET, Business Logic, C Sharp (Programming Language), Software Debugging, Elasticsearch, Ext JS, Microsoft SQL Server, Performance Tuning, Reverse Engineering, SQL Stored Procedures, SQL Server Reporting Services, Transact-SQL, TypeScript, Enterprise Software Applications, .NET Core, System Availability, Backend, Single Page Application, AngularJS, Material UI, Information Technology, ASP.NET Applications, Code Restructuring, Microservices - **Published:** October 16, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9244940/operations-maintenance-enterprise-architect-active-ts-sci ## About the Role * Bachelor's degree in Computer Science, Engineering, etc. (STEM) degree. * 10+ years of hands-on full-stack engineering experience, with emphasis on Operations & Maintenance or legacy system maintenance. * Strong back-end expertise in C#, .NET Core, ASP.NET, and reverse engineering/debugging. * Experience maintaining and refactoring Angular/TypeScript production codebases. * Advanced skills in SQL Server, T-SQL, and performance tuning. * U.S. citizenship required. * Active Top Secret clearance with SCI eligbility and eligible to obtain a polygraph. Preferred, Nice to Have Qualifications: * Experience with ElasticSearch for log monitoring and troubleshooting. * Ability to maintain and update SQL Server Reporting Services (SSRS) reports. * Familiarity with Ext JS for supporting older UI components. ## Description Peraton is currently hiring a Operations & Maintenance Enterprise Architect to support our Operations and Maintenance (O&M) team in support of an mission-critical enterprise application used by the federal government, ensuring reliability, security, and continuous modernization of a complex production environment., * Maintain and optimize existing .NET Core microservices and ASP.NET applications for high availability and performance. * Troubleshoot, debug, and upgrade Angular-based Single-Page Applications (SPAs). * Manage and tune SQL Server databases, including repairing stored procedures and improving query performance. * Analyze legacy application logic to identify and resolve high-priority bugs and production incidents. * Apply security patches, performance improvements, and minor feature enhancements based on stakeholder needs.