Senior Infrastructure Engineer

SENIOR INFRASTRUCTURE ENGINEER Our technology client seeks a highly experienced and strategic Senior Infrastructure Engineer to join our IT Operations team. In this senior role, you will be a technical authority responsible for the design, stability, and high-level orchestration of our global IT environment. You will lead complex architectural projects, manage high-priority cloud migrations, and serve as the final escalation point for critical technical issues.

This is a senior, results-oriented position requiring expert-level technical foresight and a commitment to maintaining enterprise-grade operational excellence.

Duties & Responsibilities:

• Design, implement, and maintain complex enterprise-scale physical and virtualized infrastructure, ensuring seamless integration between on-premises systems and AWS cloud environments.
• Lead the architectural design and governance of VMware technologies, including advanced site recovery orchestration (SRM) to ensure business continuity and automated disaster recovery.
• Plan and lead high-stakes upgrades, complex migrations, and long-term capacity expansions based on multi-year business roadmaps.
• Oversee the installation, configuration, and expert-level maintenance of Windows, Linux, and IBM MQ servers, establishing the gold standards for performance, security, and high availability.
• Drive infrastructure automation initiatives using scripting and configuration management tools to standardize routine maintenance, patching, and resource monitoring.
• Provide Tier 3 troubleshooting support to resolve the most complex server and storage-related issues.
• Develop and enforce comprehensive infrastructure documentation standards, including architectural blueprints, procedural playbooks, and best practice frameworks.
• Perform expert-level IBM MQ administration, including high-level cluster configuration, performance tuning, and global monitoring strategies.
• Govern the Microsoft 365 suite and productivity tools, ensuring enterprise-wide security compliance, tenant health, and optimal user experience.
• Establish and audit security best practices across all infrastructure layers, ensuring alignment with industry frameworks and internal compliance mandates.
• Collaborate with senior application owners and stakeholders to architect optimized system performance and solve systemic technical bottlenecks.
• Architect and oversee the deployment of robust, multi-site backup and recovery solutions for virtual machines, NAS, and mission-critical applications.
• Define a strategy for regular backup integrity testing and data availability audits to ensure 100% data recoverability.
• Architect and govern AWS compute and storage environments, ensuring optimal instance selection (EC2), volume management (EBS/EFS), and S3 lifecycle policies for enterprise workloads.
• Lead the design and management of AWS Sandbox and production environments, enforcing infrastructure governance through AWS Organizations and IAM least-privilege resource access.
• Orchestrate large-scale migrations of on-premises VMware workloads to AWS, utilizing AWS Application Migration Service (MGN) to ensure minimal downtime and platform stability.
• Implement and manage AWS Backup and Disaster Recovery strategies, ensuring cloud-native workloads meet the same RPO/RTO standards as on-premises core servers.
• Optimize AWS cloud infrastructure costs by implementing advanced resource monitoring, auto-scaling groups, and strategic instance rightsizing to support the business cost-efficiency goals.
• Lead cross-functional IT teams and consult with external clients throughout the infrastructure lifecycle, delivering high-level strategic solutions from initial assessment to change implementation. Requirements &

Skills:

• Bachelor's Degree or equivalent high-level certifications and 7–10+ years of hands-on experience in enterprise infrastructure administration.
• Expert-level mastery in at least four of the following areas:
Windows/Linux Server, VMware (including SRM), SAN/NAS Storage, IBM MQ, AWS Infrastructure, and Automation.
• Proven ability to architect and govern security best practices and frameworks…