• Design, deploy, configure, and maintain secure, reliable systems across client and internal environments, including servers, endpoints, identity platforms, and cloud services. • Operate and support production systems by troubleshooting and resolving infrastructure, platform, and endpoint issues, collaborating and escalating as necessary to meet service and security expectations. • Review, validate, and maintain system configurations (e.g., identity and access management, logging and monitoring, encryption, network segmentation, endpoint protection, backup and recovery) to ensure alignment with security, operational, and compliance requirements. • Implement and maintain system hardening standards, configuration baselines, patching processes, and lifecycle management practices. • Contribute to the execution and continuous improvement of Platforms Team objectives, including system reliability, scalability, and sustainability. • Communicate clearly and effectively with technical and non-technical stakeholders via written and verbal channels to explain system behavior, proposed changes, risks, and remediation actions. • Develop and maintain accurate system documentation, diagrams, runbooks, and standard operating procedures that support operational consistency and audit readiness. • Support the development and maintenance of internal tooling, templates, and repeatable build processes to improve system consistency, efficiency, and security posture.