Senior Digital Applications Admin - Linux & DevOps

Iquest Management Consultants; Qatar; On-site; QAR 134,000 - 201,000; Full time

Job summary

Iquest Management Consultants seeks a seasoned System Engineer to manage enterprise Linux servers, container platforms, and APIs in a high-availability environment. You will monitor logs, patch systems, automate deployments via Jenkins/GitLab, and ensure security with SSL/TLS hardening and vulnerability scanning.

Key focus areas include IBM ACE/API Connect, OpenShift CP4I/CP4D, Redis, Kafka/MQ integrations, and SLA compliance with disaster recovery readiness. 8+ years of experience preferred.

Qualifications

• 8+ years of experience in related roles.

Responsibilities

• RedHat Linux and Apache
• Support, monitor, and troubleshoot services and logs for servers and applications
• Shell scripting
• Patching and hardening of OS and Applications
• Manage deployments, configuration changes, incident handling, and performance tuning across channels
• Ensure high availability and best system performance.
• Comply with defined SLAs from all perspectives (Operations, Security Policies and Audit Findings)
• Maintaining a replicated system in Disaster Recovery for Business Continuity
• Kubernetes, Docker, Helm charts, DevOps pipelines (Jenkins/GitLab), monitoring tools (Dynatrace)
• IBM ACE, REST/SOAP APIs, API Gateways, message brokers (Kafka/MQ)
• Dynatrace, AppDynamics, ELK stack, ITIL processes
• HSTS, SSL hardening, vulnerability scanners, audit documentation
• IBM API CONNECT: API security policies, DataPower gateway, REST/SOAP APIs, SSL/TLS, environment promotion
• IBM APP CONNECT: IBM ACE, ESQL, message flows, REST/SOAP services, integration troubleshooting
• IBM MQ: Queue manager HA, channel security, SSL/TLS, message tracking, Linux administration
• CP4I: OpenShift, operators, integration platforms, DevOps pipelines, platform patching
• CP4D: OpenShift, platform administration, storage integration, IAM, service monitoring
• IBM Data Power: Multi-Protocol Gateway, XML/JSON processing, AAA policies, certificate management, API security
• Redis: Preferred Skills Redis cluster, persistence, failover, performance tuning, client connectivity troubleshooting

Skills

RedHat Linux

Apache

Shell scripting

Patching & hardening

Kubernetes

Docker

Helm charts

DevOps pipelines

Dynatrace

AppDynamics

ELK stack

ITIL processes

SSL/TLS hardening

IBM API CONNECT

IBM APP CONNECT

IBM MQ

OpenShift CP4I

OpenShift CP4D

Redis

Kafka/MQ

Job description

Iquest Management Consultants seeks a seasoned System Engineer to manage enterprise Linux servers, container platforms, and APIs in a high-availability environment. You will monitor logs, patch systems, automate deployments via Jenkins/GitLab, and ensure security with SSL/TLS hardening and vulnerability scanning.

Key focus areas include IBM ACE/API Connect, OpenShift CP4I/CP4D, Redis, Kafka/MQ integrations, and SLA compliance with disaster recovery readiness. 8+ years of experience preferred.