Windows COTS Engineer
e&e is seeking a Windows COTS Engineer for an onsite contract opportunity in Harrisburg, PA!We are seeking a skilled Windows COTS Engineer to support the installation, configuration, and ongoing maintenance of commercial off-the-shelf (COTS) applications across enterprise environments. This role is responsible for ensuring system reliability, performance, and scalability across a variety of platforms including Windows Server, IIS/.NET, and Java-based systems. The ideal candidate will collaborate closely with infrastructure, networking, and development teams to support application performance, automate processes, and maintain secure, highly available systems.Responsibilities:Install, configure, and maintain vendor-supported COTS applications across Windows-based environments Administer application settings, users, roles, and data across multiple platforms Support legacy, IIS/.NET, and Java-based client-server applications Monitor system performance, troubleshoot issues, and provide real-time and historical analysis Coordinate and execute software patching, upgrades, and deployments across environments (development through production) Participate in performance and load testing activities to ensure application scalability and reliability Collaborate with network teams to define requirements for firewalls, load balancers, and application delivery controllers (e.g., NetScaler) Assist development teams in diagnosing performance issues, including traffic analysis, scalability, and redundancy planning Automate system administration tasks through scripting and configuration management tools Support application deployments using automated tools and manual processes when necessary Maintain accurate documentation for system configurations, procedures, and troubleshootingRequirements:Bachelor’s or Master’s degree in Computer Science, Information Systems, or a related field (or equivalent practical experience) Strong experience with Windows Server environments Hands-on experience with IIS administration, including performance tuning and troubleshooting Experience with automation tools such as Ansible (or similar technologies) Proficiency in PowerShell scripting for system administration and automation Knowledge of LDAP integration and identity/access management concepts Understanding of DNS, SSL certificates, and PKI infrastructure Familiarity with networking concepts including TCP/IP, firewalls, and load balancing Experience with performance monitoring and analytics tools Working knowledge of SAP Business Objects and IBM FileNet administration Experience supporting enterprise applications such as check clearing systems is a plus Strong problem-solving, analytical, and troubleshooting skills Ability to work collaboratively across technical teams and communicate effectively