> Markdown version of [/jobs/ext/4216931-systems-integrator](https://www.wearedevelopers.com/jobs/ext/4216931-systems-integrator). 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). --- # Systems Integrator - **Company:** CASTELLO SYSTEMS, INC. - **Location:** United States - **Contract:** Permanent contract - **Skills:** Java (Programming Language), .NET Framework, PHP (Programming Language), Application Programming Interfaces (APIs), Agile Methodology, Amazon Web Services, Confluence, JIRA, Bash Shell, C Sharp (Programming Language), Configuration Management, Learning Management Systems, Relational Databases, Database Servers, Python (Programming Language), Windows PowerShell, Scrum Methodology, Ansible, Software Deployment, Software Engineering, Systems Architecture, Web Services, Workflow Management Systems, Enterprise Software Applications, Virtual Environment, Cloudformation, Kubernetes, Infrastructure Automation Frameworks, Information Technology, Atlassian Tools, Blackboard, Nessus, Puppet, Terraform, Docker, User Administration - **Published:** October 1, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=4baa78208a35c1d0 ## About the Role TS/SCI with Full Scope Polygraph A bachelor's degree and twelve (12) years of experience in software development/engineering. Sixteen (16) years of software development experience may be substituted in lieu of a degree. Willingness to embrace challenges and seek to become an expert in the products Experience with COTS integration Experience developing and updating technical documentation Skilled in problem solving and troubleshooting computer systems and software Experience with Bash, PowerShell or Python Experience with agile development methodologies Experience closely collaborating with the Government customer Knowledge of SQL Server Database , Desired Skills Experience managing systems hosted in virtual environments such as AWS Experience the with the Atlassian Tool Suite including Confluence & Jira Experience with Nessus and Tenable Security Center Experience with .NET Experience with programming languages Java, PHP and C# Experience with Infrastructure as Code (IaC) tools like Ansible, AWS CloudFormation, Chef, Puppet or Terraform Experience with container & infrastructure orchestration tools such as Docker or Kubernetes Experience with Blackboard, SumTotal or any learning management system ## Description Configure, integrate, and maintain enterprise COTS applications supporting learning and training capabilities. Design, implement, and troubleshoot integrations between enterprise applications using APIs, web services, messaging, and other integration technologies. Support application deployments, upgrades, patches, and configuration changes across development, test, and production environments. Perform minor system administration activities, including environment management, user administration, configuration management, and operational support. Work with relational databases to troubleshoot issues, execute queries, validate data, and support application functionality. Analyze system logs, monitor application health, identify root causes of issues, and coordinate resolution across technical teams. Develop scripts and implement minor code enhancements to improve automation, system functionality, and operational efficiency. Collaborate with Government Product Leads, developers, system administrators, database administrators, and other stakeholders to implement technical solutions and support system enhancements. Develop and maintain technical documentation, including system architecture, integration diagrams, configuration guides, operational procedures, and support documentation. Participate in Agile ceremonies and contribute to sprint planning, backlog refinement, testing, and release activities. Identify opportunities to improve system performance, reliability, maintainability, and operational processes. Support incident response activities and help resolve production issues while minimizing system downtime. Mentor junior engineers and provide technical guidance on application integrations, configurations, and operational best practices.