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 is committed to working with and providing reasonable accommodations to individuals with disabilities. If you need a reasonable accommodation because of a disability for any part of the employment process, please send an e-mail to recruitment@presidio.com and let us know the nature of your request and your contact information.

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