Senior Engineer - L2 Middleware

Presidio, Where Teamwork and Innovation Shape the Future
At Presidio, we're at the forefront of a global technology revolution, transforming industries through cutting-edge digital solutions and next-generation AI. We empower businesses - and their internal customers - to achieve more through innovation, automation, and intelligent insights.

KEY RESPONSIBILITIES

Incident Management & Monitoring

• Monitor middleware platform health via APM/ITSM tools (DataDog, Dynatrace, Splunk, IBM Tivoli, or equivalent)
• Acknowledge, triage, and classify incidents per SLA priorities (P1–P4)
• Perform first-level troubleshooting and apply known fixes using runbooks and knowledge base articles
• Escalate unresolved incidents to L3 architects with complete diagnostic artifacts (logs, thread dumps, heap dumps, MQ channel states)
• Execute scheduled maintenance tasks: restarts, deployments, patching activities under change management windows

IBM WebSphere Application Server (WAS)

• Monitor JVM health, thread pools, JDBC connections, and transaction timeouts
• Restart application servers, node agents, and deployment managers as per escalation procedures
• Deploy EAR/WAR application artifacts via Integrated Solutions Console (ISC) or wsadmin scripting
• Collect JVM heap dumps, thread dumps using javacore/heapcore diagnostics and IBM Support Assistant
• Review SystemOut.log, SystemErr.log, and FFDCs for error pattern identification

IBM MQ

• Monitor queue depths, channel status, listener availability, and dead-letter queues (DLQ)
• Restart stopped channels; clear inhibited queues under approved procedures
• Use MQ Explorer, runmqsc, and dspmq commands for diagnostics
• Purge DLQ messages and replay messages using approved tools per change control
• Monitor MQ cluster health and report replication/synchronization anomalies

IBM API Connect & DataPower

• Monitor API gateway health, API call volumes, error rates, and latency dashboards
• Identify and escalate API policy failures, backend connectivity issues, and TLS certificate warnings
• Perform DataPower service restarts and domain health checks using the XML Management Interface or WebGUI
• Review DataPower probe logs and troubleshoot XML/JSON transformation errors

IBM Event Streams (Kafka)

• Monitor broker health, consumer group lag, topic partition status, and replication factors
• Identify stalled consumers and dead consumers; escalate with lag metrics
• Restart Kafka brokers/ZooKeeper nodes per runbook under change management

Oracle WebLogic & Service Bus

• Monitor WebLogic Administration Console for server state, JDBC pool utilization, and JMS queue depths
• Restart Managed Servers and Node Managers per escalation procedures
• Monitor Oracle Service Bus (OSB) proxy services, business services, and alert rules
• Review server logs, garbage collection logs, and JVM diagnostics via WLST or console

OpenShift / Container Operations

• Monitor pod health, deployment rollout status, and resource utilization (CPU/Memory) using OCP console or kubectl/oc CLI
• Restart failing pods; report CrashLoopBackOff, ImagePullBackOff, and OOMKilled events to L3
• Collect pod logs and events using oc logs and oc describe for escalation
• Support containerized middleware (WAS Liberty, MQ on OpenShift, DataPower Gateway operator) day-2 operations

Process & Documentation

• Maintain shift handover logs and incident status updates in ITSM tools (ServiceNow, Jira, Remedy)
• Create and update runbooks, knowledge base articles, and post-incident reports for recurring issues
• Participate in daily stand-ups, shift briefings, and weekly service review calls
• Adhere to ITIL-based incident, change, and problem management processes

REQUIRED QUALIFICATIONS

Education & Experience

• Bachelor's degree in Computer Science, Information Technology, or equivalent technical discipline (or equivalent work experience)
• 3–5 years of experience in middleware or application support roles with hands-on middleware administration and incident management experience
• Experience operating in a 24×7 NOC, SOC, or managed services environment preferred

Technical Skills

• Proficiency with at least 2 of the core technologies: IBM WAS, IBM MQ, IBM API Connect, IBM DataPower, IBM Event Streams, Oracle WebLogic, Oracle Service Bus
• Basic Linux/Unix command-line proficiency (file system navigation, log analysis, process management)
• Familiarity with containerization concepts (Docker, Kubernetes/OpenShift)
• Understanding of TCP/IP networking, SSL/TLS, HTTP/HTTPS protocols relevant to middleware
• Experience with ITSM tooling: ServiceNow, BMC Remedy, or Jira Service Management
• Ability to read and interpret Java stack traces, thread dumps, and application logs

PREFERRED CERTIFICATIONS

• IBM Certified System Administrator – WebSphere Application Server
• IBM Certified MQ Administrator
• Oracle WebLogic Server 12c Administration
• Red Hat Certified OpenShift Administrator (EX280) or equivalent
• ITIL 4 Foundation
• IBM Cloud Pak for Integration training/certification

BEHAVIORAL COMPETENCIES

• Strong communication skills — ability to clearly document and communicate incident status to technical and non-technical stakeholders
• Ability to remain calm, systematic, and methodical during high-pressure P1 incidents
• Self-motivated, proactive in identifying patterns and recommending permanent fixes
• Team player capable of effective shift-based collaboration across time zones
• Willingness to work rotational shifts including nights, weekends, and holidays

Your future at Presidio
Joining Presidio means stepping into a culture of trailblazers - thinkers, builders, and collaborators - who push the boundaries of what's possible. With our expertise AI-driven analytics, cloud solutions, cybersecurity, and next-gen infrastructure, we enable businesses to stay ahead in an ever-evolving digital world.

Here, your impact is real. Whether you're harnessing the power of Generative AI, architecting resilient digital ecosystems, or driving data-driven transformation, you'll be part of a team that is shaping the future.

Ready to innovate? Let's redefine what's next-together.

About Presidio
Presidio is committed to hiring the most qualified candidates to join our amazing culture. We aim to attract and hire top talent from all backgrounds, including underrepresented and marginalized communities. We encourage women, people of color, people with disabilities, and veterans to apply for open roles at Presidio. Diversity of skills and thought is a key component to our business success.

At Presidio, speed and quality meet technology and innovation. Presidio is a trusted ally for organizations across industries with a decades-long history of building traditional IT foundations and deep expertise in AI and automation, security, networking, digital transformation, and cloud computing. Presidio fills gaps, removes hurdles, optimizes costs, and reduces risk. Presidio's expert technical team develops custom applications, provides managed services, and enables actionable data insights and builds forward-thinking solutions that drive strategic outcomes for clients globally. For more information visit

Applications will be accepted on a rolling basis.

Presidio has a strong commitment to the community we serve and our employees. As an Equal Opportunity Employer, we strive to have a workforce that includes the community we serve.

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