Description

Responsibilities

• Engineer, configure, maintain, and support Linux-based infrastructure platforms supporting Capital Markets applications.
• Provide hands-on support for low-latency trading and market data environments, ensuring optimal system and network performance.
• Perform Linux server configuration, patching, upgrades, performance tuning, capacity management, and system hardening.
• Tune Linux operating systems, network interfaces, kernel parameters, CPU utilization, memory, and I/O to support latency-sensitive workloads.
• Support network infrastructure and connectivity across data center, cloud, and hybrid environments.
• Troubleshoot complex TCP/IP, multicast, DNS, routing, firewall, load balancing, proxy, packet loss, jitter, and application connectivity issues.
• Analyze and troubleshoot latency across the application, operating system, server, and network stack.
• Monitor platform and network performance and proactively identify availability, latency, capacity, and reliability issues.
• Support highly available and low-latency environments used by electronic trading, market data, pricing, order management, risk, and post-trade platforms.
• Support exchange, broker, market data, and other external connectivity where applicable.
• Develop automation for infrastructure provisioning, configuration, monitoring, and operational activities using tools such as Ansible, Python, Shell scripting, Terraform, or similar technologies.
• Work closely with application development, infrastructure, cybersecurity, database, cloud, and network engineering teams.
• Participate in production incident management, root-cause analysis, problem management, and implementation of permanent remediation.
• Support disaster recovery, business continuity, resiliency testing, and infrastructure failover activities.
• Implement infrastructure monitoring, logging, alerting, and observability capabilities.
• Maintain technical documentation, operating procedures, configuration standards, and architecture diagrams.
• Ensure infrastructure complies with enterprise security, risk, change management, and regulatory standards.
• Participate in infrastructure modernization initiatives, including automation, virtualization, containerization, and cloud adoption.

Required Qualifications

• 5+ years of experience in Linux, network, infrastructure, or platform engineering.
• Demonstrated experience supporting low-latency, high-throughput, performance-sensitive production environments within Capital Markets.
• Strong hands-on knowledge of Red Hat Enterprise Linux (RHEL) or similar enterprise Linux distributions.
• Strong knowledge of Linux performance tuning, including CPU affinity, process scheduling, memory management, kernel tuning, network stack optimization, interrupt handling, and I/O performance.
• Strong understanding of TCP/IP, UDP, multicast, DNS, routing, VLANs, firewalls, load balancers, proxies, and network troubleshooting.
• Experience analyzing network latency, jitter, packet loss, throughput, and connectivity performance.
• Experience with packet-level troubleshooting and diagnostic tools such as tcpdump, Wireshark, netstat, ss, traceroute, ping, iperf, or similar tools.
• Experience supporting high-availability, business-critical production environments.
• Experience with scripting and automation using Python, Bash/Shell, Ansible, Terraform, or similar tools.
• Familiarity with monitoring and observability platforms such as Splunk, Dynatrace, Grafana, Prometheus, AppDynamics, or similar technologies.
• Understanding of virtualization, storage, middleware, and infrastructure integration concepts.
• Experience working within formal incident, problem, change, and release management processes.
• Strong analytical and troubleshooting skills with the ability to resolve complex infrastructure and latency issues under time-sensitive conditions.

Preferred Qualifications

• Previous experience within Capital Markets, Investment Banking, or Financial Services.
• Experience supporting electronic trading, market data, order management, pricing, risk, or trade-processing platforms.
• Experience supporting ultra-low-latency or low-latency trading infrastructure.
• Experience with multicast market data feeds, FIX connectivity, exchange connectivity, broker connectivity, and direct market access environments.
• Familiarity with high-performance networking technologies, network interface tuning, time synchronization, and performance measurement.
• Experience with public cloud platforms such as AWS, Azure, or Google Cloud.
• Experience with Kubernetes, Docker, OpenShift, or other container platforms.
• Knowledge of infrastructure security controls, vulnerability management, certificate management, and privileged-access requirements.
• Familiarity with enterprise network technologies from Cisco, Arista, F5, Palo Alto, or similar vendors

Key Skills

Education

Bachelor's degree