Senior Computer Systems Engineer/Architect

Defense Technology Integration, LLC is seeking a Senior Computer Systems Engineer/Architect to lead the technical direction for a federal client's application and infrastructure environment. You will own architecture, integration, and engineering decisions for server applications hosted on AWS, virtual servers and provide solution architecture guidance for new web and business applications.

You will work across the web development, network infrastructure operations, and cybersecurity teams to keep systems reliable, secure, well documented, and ready for planned migrations to enterprise and FedRAMP-authorized platforms.

Key Responsibilities:

Architecture and Strategic Planning

•      Provide solution architecture and design recommendations for new applications and enhancements, and develop implementation roadmaps

•      Provide IT strategic planning and technical oversight for new and existing IT applications and projects

•      Maintain system architecture, integration, API, and data-flow documentation

•      Plan and guide migrations, including Jira to a FedRAMP-authorized Jira Cloud instance, the Travel Approval System to an NIH enterprise solution, and possible integration of the client's website into the agency public website

Server Application and Database Engineering

•      Lead application-level administration, patching, and upgrades for SharePoint Subscription Edition/Nintex K2, Jira, Lumivero Nvivo Collaboration Server, Rees Environmental Monitoring, Agilquest UMP, and the NIMHDUTIL utility server

•      Coordinate application patching with operating system patching schedules and maintenance windows

•      Manage Microsoft SQL Server back ends, including patching, performance optimization, and backup coordination

•      Design and maintain backup, replication, and restore-tested recovery for systems and data

•      Monitor application performance, respond to alerts, and lead troubleshooting of complex application and performance issues

Cloud, Identity, and Integration

•      Engineer and support workloads hosted in AWS and CIT virtual server environments

•      Support Active Directory integration, including Agilquest real-time provisioning and de-provisioning, ActiveRoles console updates, and RBAC through AD groups

•      Support Enterprise Authentication Services (NIH Login) and SSO/SiteMinder integrations for new and existing applications

•      Support Jenkins automation and CI/CD pipelines with the Web and Application Development team

•      Coordinate file share, storage, and capacity requests

Required Qualifications:

•      Minimum of 7 years of experience in IT infrastructure and systems architecture

•      Demonstrated experience supporting server applications, database systems, and enterprise IT infrastructure for federal health or research organizations

•      Hands-on experience with Amazon Web Services (AWS) and/or federal data center environments

•      Experience administering Microsoft SQL Server and Windows Server-based enterprise applications

•      Experience with Active Directory, identity integration, and role-based access control

•      Experience developing architecture and system documentation that supports federal Authorization to Operate (ATO) packages

Bachelor's degree in Computer Science, Computer Engineering, Information Systems, or a related field