Network Packet Analysis & Middleware Engineer

We are seeking an engineer with strong hands-on IP packet-analysis experience and a secondary background in enterprise middleware support. The primary focus is capturing, reading, and interpreting network traffic to troubleshoot application connectivity and performance issues., * Capture and analyze network traffic using Wireshark, tcpdump, or similar tools.

• Read IP packets and analyze TCP handshakes, resets, retransmissions, packet loss, latency, timeouts, and connection failures.
• Troubleshoot TCP/IP, DNS, HTTP/S, SSL/TLS, authentication, load-balancing, firewall, proxy, and port-related issues.
• Trace traffic across applications, servers, middleware, networks, and cloud services to isolate root cause.
• Correlate packet captures with system logs, alerts, and performance data.
• Support middleware platforms such as IBM MQ, Tomcat, Apache HTTP Server, NGINX, ActiveMQ, IIS, .NET middleware, or Azure Service Bus.
• Install, configure, patch, upgrade, monitor, and troubleshoot middleware environments.
• Support production incidents, service restoration, root-cause analysis, and corrective actions.
• Troubleshoot certificates, keystores, trust chains, messaging, and application-integration issues.
• Maintain technical documentation, troubleshooting procedures, and operational runbooks.

• Five or more years of experience in packet analysis, network performance, middleware, infrastructure, or application support.
• Strong hands-on experience reading and analyzing IP packets.
• Experience with Wireshark, tcpdump, PCAP files, or comparable packet-analysis tools.
• Understanding of TCP/IP, DNS, HTTP/S, SSL/TLS, routing, ports, firewalls, proxies, and load balancers.
• Ability to identify latency, packet loss, retransmissions, resets, and failed network connections.
• Experience supporting at least one middleware or web-server technology, such as IBM MQ, Tomcat, Apache, NGINX, ActiveMQ, IIS, .NET middleware, or Azure Service Bus.
• Experience troubleshooting production incidents in Windows and/or Linux environments.
• Ability to work on-site Monday through Friday.

Preferred Qualifications

• Experience with Datadog, NetBrain, LiveNX, Splunk, Dynatrace, or AppDynamics.
• Azure or hybrid-cloud experience.
• Experience with certificates, PKI, and secure communications.
• PowerShell, Python, Bash, Ansible, or Terraform experience.
• ServiceNow and regulated-industry experience.