Lead Infrastructure Engineer Network Operation SME(Subject Matter Expert)

Job responsibilities

• Potential to participate in Team Talent evaluation and assist management in performing performance appraisals
• Plan, track, and manage the proper use of technology infrastructure to optimize delivery and cost
• Create original documentation and update existing documentation
• Act independently and leverage critical thinking
• Serve as point of escalation for 40x, 50x, and 60x level team members
• Advocate for the customer base when faced with infrastructure or business-critical issues
• Articulate and share clear, concise, complex technical findings to management in understandable terms
• Collaborate with high-performing teams and team members throughout the firm to accomplish common goals
• Perform day-to-day incident and problem management of major, globally impacting data issues, proactive infrastructure management, and serve as a Subject Matter Expert in 2–3 technologies by attending bridge calls, addressing tickets, and working with the GNS Tier 4/PE organizations on bug fixes, design changes, and code upgrades
• Uses enterprise-authorized AI capabilities within the work environment to accelerate infrastructure analysis and design documentation, validating outputs and handling operational data according to sensitivity and security requirements.
• Applies reuse-first, AI-assisted practices within delivery and automation routines to identify recurring issues and validate remediation options, ensuring changes are traceable/auditable and aligned to resiliency and security expectations.

Required qualifications, capabilities, and skills

• Formal training or certification on infrastructure engineering concepts and 5+ years applied experience
• Network operations / infrastructure support experience, including the ability to lead P1 incident bridges in a 24x7 high-pressure environment.
• Deep knowledge of network infrastructure components, including asset tracking/management across enterprise systems.
• Proficiency in multiple infrastructure technology domains, with strong understanding of the risk and controls landscape to ensure firm standards are met.
• Experience in banking, exchange, or technology environments within a global organization.
• Experience with enterprise network topologies: routing/switching, data center, wireless, security/services, load balancing, proxy, and optical.
• Expertise in multicast, low-latency networks, and market data technologies.
• Strong experience with protocol analyzers and capacity/monitoring tools (e.g., Wireshark, Splunk, SevOne, ThousandEyes).
• Scripting/automation skills (Python/Ansible), version control best practices, Linux experience, and strong written/verbal communication.
• Demonstrated experience using enterprise-authorized AI capabilities within the work environment to support infrastructure engineering workflows with strong validation habits and awareness of data sensitivity.

• Ability to review and validate AI-assisted recommendations before implementation, escalating when uncertain and ensuring outcomes align to resiliency, security, and auditability expectations.

   

• In-depth knowledge of the network infrastructure supported.
• Executes in a client-centric environment for teams and contributors.
• Assists management in performing performance appraisals.
• Drives service ownership, reliability, and continuous improvement.
• Influences and coordinates across teams to deliver outcomes.