Infrastructure Engineer Job Description The infrastructure engineer job description includes being responsible for performing several duties for their overall objective of maintaining the infrastructure of an organization. Network infrastructure engineers have to, as part of their responsibility, design solutions from mission needs and assess current systems to secure the best practices and balance by complying with federal policies and procedures. Engineers manage and maintain broad area virtual private networks (VPN). An IT infrastructure engineer job description includes the administration of the Middleware application server, such as Oracle Weblogic server and IBM WebSphere server and automated workflow tools. Infrastructure engineers work with server virtualization technologies, such as VMware, Red Hat Virtualization or Oracle VM. Additionally, a network infrastructure engineer monitors administration of Windows, Linux or Mac OS Operating Systems and are conversant with systems administration. Infrastructure engineering includes troubleshooting applications and providing J2EE application deployment. Infrastructure engineers partner with the application development team on application building, implementation and fixing of issues. Engineers put together and install infrastructure components on networks and servers, ensure that the technical performance aspects in the infrastructure environment are optimized, including database, network, and application server performance.