Infrastructure Engineer

Senior Systems EngineerAs a Senior Systems Engineer at hcltech, you will play a pivotal role in maintaining and advancing the reliability, security, and automation of large-scale enterprise infrastructure. You will be responsible for leading system vulnerability remediation initiatives, orchestrating automated OS patching, and collaborating closely with cross-functional teams to ensure the stability and compliance of both Windows and Linux environments. Your expertise will directly impact the security posture and operational efficiency of critical client systems.Detailed ResponsibilitiesLead and execute infrastructure vulnerability remediation for Windows and Linux servers, ensuring alignment with enterprise security standards.Plan, coordinate, and support automated operating system patching across production and non-production environments with minimal downtime.Collaborate with application teams, risk management, and IT stakeholders to validate systems before and after patching activities.Actively participate in Agile ceremonies such as daily standups, backlog refinement, and peer reviews to prioritize remediation efforts and deliver results on schedule.Support Change Management processes, including contributing to servicenow change requests, obtaining approvals, and documenting risks associated with patching initiatives.Troubleshoot and resolve issues related to patching or remediation that impact system stability, performance, and compliance.Drive continuous improvement by contributing to infrastructure automation and patching process enhancements, engaging with devops and automation communities of practice.Ensure infrastructure compliance with internal security policies by proactively addressing vulnerabilities across diverse enterprise environments.Communicate patching schedules, expectations, and validation requirements effectively to both technical and non-technical stakeholders.Mentor and collaborate with peers within Infrastructure Vulnerability devops teams to maintain secure, highly available systems.Maintain proficient working knowledge of key tools, including Confluence, Jira, and Git.Skill RequirementsBachelor’s degree in Computer Science, Information Technology, or a related field, or equivalent practical experience.Proven experience in large-scale deployment and support of Windows Server and Linux Server environments.Expertise in devops practices, including version control with Git repositories.Hands-on experience authoring automation scripts (preferably with Ansible, but other tools will be considered).Demonstrated capability in vulnerability remediation and enterprise OS patching.Proficient troubleshooting skills with a focus on system stability, performance, and compliance.Solid experience with tools such as Git, vscode, Windsurf AI, and copilot.Strong communication and collaboration skills to work effectively with cross-functional teams.Other Requirements (Optional)Experience with AI and MCP servers is highly desirable.Background in system integration projects.Familiarity with servicenow for change management processes.Experience working in Agile environments.Previous exposure to infrastructure communities of practice is an advantage.