Sr. Software Engineer

Job Purpose and Impact We are seeking a senior technical expert with deep Windows engineering experience to support application teams as they migrate diverse Windows-based workloads (including homegrown applications, commercial off-the-shelf (COTS) products, and legacy services) into modern AWS-hosted environments. As a Cloud Migration Engineer, you will play a critical role in developing test plans, validating application behavior in new environments, externalizing configuration, troubleshooting migration issues, and teaching teams how to operate successfully in their target cloud environment.   You will work directly with engineering and product teams to clarify dependencies, modernize operational practices, and reduce risk through structured testing and deep technical guidance. Your work ensures that migrated applications are reliable, supportable, and aligned with enterprise standards. Key Accountabilities •Develop and execute detailed test plans for Windows-based workloads including: COTS applications, IIS/.NET services, Windows services, scheduled tasks, and SQL-connected systems. Validate functionality, configuration, networking, authentication, and performance in the target AWS environment. •Lead hands-on migration execution, assisting teams with installation validation, connectivity testing, functional smoke tests, configuration extraction, externalizing environment-specific settings, and resolving issues involving registry keys, service identities, permissions, certificate stores, firewall rules, DNS, authentication, and other Windows platform dependencies. •Teach, coach, and support application teams by explaining root causes, guiding them through remediating environment differences, helping redesign configuration models to be portable, and mentoring teams in operational best practices, troubleshooting techniques, and cloud-aligned patterns. •Improve migration consistency by creating scripts, runbooks, and repeatable validation steps for common Windows issues such as missing dependencies, blocked ports, legacy configuration paths, local account usage, registry drift, and environment inconsistencies. •Collaborate cross-functionally with infrastructure, security, and network teams to align migration prerequisites, resolve cross-cutting issues, and help standardize practices for identity, logging, monitoring, access, and AMI lifecycle. •Independently handle complex technical issues with minimal supervision, while escalating only the most complex or systemic issues to specialized teams. •Other duties as assigned. Qualifications MINIMUM QUALIFICATIONS •Bachelor’s degree in a related field or equivalent experience •Confirmed experience troubleshooting Windows Server environments, including application services, configuration management, SQL connectivity, certificate stores, and Active Directory integration •Demonstrated experience supporting cloud-hosted Windows workloads (AWS, Azure, or similar) …