We are looking for a Senior Devops Engineer.

This role is a 3 days Hybrid contract role in Mississauga.

Key Responsibilities

- Containerization and Orchestration : Deep expertise in deploying, managing, and scaling applications using container technologies, including Kubernetes and OpenShift.

- Service Mesh: Strong knowledge of service mesh concepts and hands-on experience with Istio for ingress and egress traffic management.

- Security Proficiency: Solid understanding of security concepts including Single Sign-On (SSO, SAML Secured SSO, MFA), SSG, COIN authentication, TLS/SSL certificate set up, and authorization protocols (AD/LDAP).

- WebSphere Application Server: Experience in managing WebSphere environments, including support activities like JNDI, connection pool, and JMS configurations, as well as heap and session management.

- Big Data Technologies : Experience supporting data platforms and ingestion pipelines using technologies such as Spark, Hive, and Starburst.

- Cloud Platforms: Experience with cloud migration projects and supporting applications on cloud platforms such as AWS or IBM Cloud.

- Incident and Problem Management: Lead the resolution of critical production incidents, including prioritization, timely escalation, and clear communication to all stakeholders.

Conduct comprehensive post-mortems and root cause analyses to ensure permanent solutions and prevent recurrence.

- Technical and Business Support: Serve as a key point of contact for technical and business support for Client users.

Address daily queries and issues, and proactively drive improvements in stability, efficiency, and risk management.

- Change and Release Management: Support the planning and execution of all system changes, including application releases, infrastructure maintenance, and continuity of business (COB)



tests, ensuring production stability is maintained throughout the process.

- System Observability and Monitoring: Maintain and optimize the production monitoring and observability estate.

Implement new features and leverage advanced analytics to enhance system visibility, proactive alerting, and predictive fault detection.

- Automation and Efficiency: Identify opportunities to reduce operational toil and mitigate risk by developing and implementing automation script, tools and processes.

Familiarity with Infrastructure Architecture and automation IaC (infrastructure as code) .

- Collaboration and Stability: Partner closely with development teams to recommend and implement architectural and code improvements that enhance application stability, performance, and recoverability.

Required:

- A minimum of 5 years of experience in an infrastructure role managing enterprise-level, business-critical applications.

- Prior direct experience with cloud migration projects and supporting applications on cloud platforms such as AWS or IBM Cloud.

- Strong expertise in the deployment, management, and scalability of applications using container technologies, including Kubernetes and OpenShift.

- Proven expertise in service mesh architecture with hands-on Istio experience for ingress and egress traffic control.

- Comprehensive knowledge of security concepts encompassing Single Sign-On (SSO, SAML-based SSO, MFA), SSG,



COIN authentication, TLS/SSL certificate set up, and directory-based authorization protocols (AD/LDAP).

- Direct experience in administering WebSphere environments, supporting JNDI, connection pool, and JMS configurations, as well as performing heap and session management.

- Experience supporting data platforms and ingestion pipelines leveraging technologies such as Spark, Hive, and Starburst.

- Advanced proficiency in Unix/Linux environments, including complex shell and Python scripting.

- Demonstrated experience with enterprise monitoring tools (e.g., ITRS Geneos, AppDynamics) and log aggregation platforms (e.g., Splunk, ELK).

- Hands-on experience with containerization and orchestration platforms, specifically OpenShift and/or Kubernetes.

- Robust database skills, with experience in both relational (Oracle, MSSQL) and NoSQL (MongoDB) databases.

- In-depth knowledge of enterprise messaging solutions such as Tibco EMS, IBM MQ, or Kafka.

- Solid understanding of distributed application architecture, including networks, load balancers, storage, and authentication protocols (AD/LDAP).

- Experience working with and troubleshooting REST APIs.
- Exceptional written and verbal communication skills, with the ability to articulate complex technical issues to both technical and non-technical audiences.

- Proficiency in a high-level programming language (e.g., Python, Java) for developing automation solutions.

- Experience with modern observability platforms and standards, such as Prometheus, and Grafana.

- Familiarity with prompt engineering techniques for interacting with Generative AI and Large Language Models (LLMs).

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Required Skill Profession

It & Technology

📌 Senior Devops Engineer (Mississauga)
🏢 Open Systems Technologies
📍 Mississauga