Castello Systems, Inc.
Systems Integrator
Skills
19 days ago
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Important information
Contract type:
Permanent, Temporary
Location:
Annapolis, MD, USA
Work mode:
Onsite
Published on:
2 October 2026
What they need
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.
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Required Skills
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
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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
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About Castello Systems, Inc.
At Castello Systems, we are focused on delivering solutions. One way we do this is through the integration of COTS products into our customer's enterprise. We are successful because we are experts in the tools we integrate and are experts in the intricacies of our customer’s enterprise. Many of our peers fail because they are not able to bring these two components together. When Castello Systems is brought in, our folks have access to all the resources across the company and through our partnerships with COTS vendors. When you have one of us, you have all of us. Castello Systems prefers completion based contracts. This gives us the flexibility to bring to bear the right level of expertise and when needed to deliver. Castello Systems specialize in architecting, implementing, and executing Enterprise Management through the use of industry leading technologies such as OpenText Software, Splunk, and Elastic Stack.
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