CrawlJobs Logo

Linux Red Hat Expert

https://www.inetum.com Logo

Inetum

Location Icon

Location:
Portugal , Lisbon

Category Icon
Category:
IT - Software Development

Job Type Icon

Contract Type:
Not provided

Salary Icon

Salary:

Not provided
Save Job
Save Icon
Apply Position

Job Description:

Inetum is hiring a Linux Red Hat Expert to provide advanced support, automation, and lifecycle management for critical RHEL environments in virtualized and physical platforms.

Job Responsibility:

  • Provide L3 support and resolve complex incidents in Red Hat Enterprise Linux (RHEL) across VMware, bare-metal, and IBM Power (LE) systems
  • Administer and troubleshoot RHEL platforms, ensuring performance, stability, and reliability
  • Manage Red Hat Satellite Server for patching, provisioning, and subscription lifecycle
  • Operate and secure Red Hat Identity Management (IdM) for centralized authentication and host-based access control
  • Conduct performance tuning, log analysis, and implement system optimizations
  • Maintain and engineer SUDO authorizations and access control policies
  • Perform root cause analysis and implement corrective and preventive actions
  • Collaborate with security teams to integrate RHEL systems with Active Directory and IdM
  • Build and maintain Ansible playbooks for automated patching, provisioning, and configuration management
  • Plan and execute kernel upgrades, OS updates, and manage package lifecycles
  • Document system architecture, standards, procedures, and troubleshooting workflows

Requirements:

  • Minimum of 5 years of experience in Red Hat Linux administration
  • Bachelor’s degree in Computer Science or equivalent
  • Expert-level proficiency in RHEL system administration, both virtual and physical
  • Hands-on experience in patch and lifecycle management using Red Hat Satellite
  • Strong skills in access control, SUDO, Kerberos, LDAP, and SSSD
  • Proficient in automation and scripting with Ansible, Shell, and Python
  • Proven ability to resolve complex issues and lead root cause investigations
  • Strong communication skills to work effectively with cross-functional teams
  • Fluent in English (B2–C1 level)

Nice to have:

  • RHCE or Red Hat Certified Specialist in Satellite/IdM
  • Experience with container platforms such as OpenShift, Docker, or Kubernetes
  • Understanding of ITIL processes for incident and change management

Additional Information:

Job Posted:
July 17, 2025

Employment Type:
Fulltime
Icon
Inetum - All Job Offers
Job Link Share:
Copy Link Icon
Facebook Icon Twitter Icon LinkedIn Icon
PREMIUM
More languages and countries
+ Unlock 31694 hidden job offers
Languages
English Čeština Deutsch Ελληνικά Español Français +15
Countries
United States United Kingdom India Canada Australia +
See plans
Plans from $2.99 / month

Looking for more opportunities? Search for other job offers that match your skills and interests.

Briefcase Icon

Similar Jobs for Linux Red Hat Expert

Red Hat OpenStack Subject Matter Expert

We are seeking a highly skilled Red Hat OpenStack Subject Matter Expert to desig...
Location
Location
India , Bangalore
Salary
Salary:
Not provided
https://www.hpe.com/ Logo
Hewlett Packard Enterprise
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • In-depth knowledge of Red Hat OpenStack components and architecture
  • Strong Linux administration skills, especially Red Hat Enterprise Linux
  • Proficiency in virtualization technologies (KVM, VMware)
  • Scripting skills (Python, Bash) and familiarity with automation tools (Ansible, Puppet, Terraform)
  • Shell, PowerShell, Python, Golang, Repositories and code review tools
  • In-depth technical knowledge of the Cloud industry, private (OpenStack) and public cloud environments, virtualization, and cloud management
  • Enterprise virtualization (VMware, KVM), Container orchestration & Kubernetes distributions, VMware Tanzu, Other enterprise-grade Kubernetes engines
  • Good knowledge in network TCP/IP, IPv4, expertise in IPv6, VLAN, VXLAN, Bridging, routing, IP Tables, DNS, DHCP
  • Manage and monitor OpenStack and OpenShift to ensure high availability and performance
  • Troubleshoot and resolve OpenStack and OpenShift issues and optimize load for speed and reliability
Job Responsibility
Job Responsibility
  • Lead the architecture and design of Red Hat OpenStack environments to meet the organization’s technical and business needs
  • Collaborate with internal stakeholders to design scalable and reliable OpenStack infrastructure solutions
  • Create documentation and architecture diagrams for all proposed designs
  • Deploy, configure, and optimize Red Hat OpenStack clusters and associated components
  • Manage the setup and integration of OpenStack services, including Nova, Neutron, Cinder, Glance, Keystone, and Swift
  • Automate deployments and configurations using scripting languages (e.g., Python, Bash) or configuration management tools (e.g., Ansible, Puppet)
  • Ensure operational stability and efficiency of OpenStack environments by implementing monitoring and alerting solutions
  • Perform regular system updates, patches, and upgrades in line with best practices
  • Troubleshoot and resolve complex issues in OpenStack environments, leveraging deep knowledge of Linux and virtualization
  • Implement and manage security best practices, including access controls, identity management, and data encryption
What we offer
What we offer
  • Health & Wellbeing
  • Personal & Professional Development
  • Unconditional Inclusion
  • Fulltime
Read More
Arrow Right

SC cleared Red Hat OpenStack Engineer

This role focuses on designing, deploying, troubleshooting a secure grade privat...
Location
Location
United Kingdom , London
Salary
Salary:
Not provided
welovesalt.com Logo
Salt
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Expert-level Red Hat Enterprise Linux (RHEL) administration, including networking, security, storage, and performance tuning
  • Deep knowledge of core services (Nova, Neutron, Cinder, Keystone, Glance, Swift)
  • Experience of Ansible for configuration management and orchestration, and scripting with Python or Go
  • Expertise in KVM (the hypervisor used by OpenStack) and related concepts
  • Hands-on experience with Red Hat Ceph Storage for OpenStack integration
  • Advanced networking skills (TCP/IP, VLANs, VXLANs, routing) and OpenStack Neutron configuration
  • Experience of RED HAT and WINDOWs integration. Including active directory
Job Responsibility
Job Responsibility
  • Architecture & Design: Leading the design and planning of highly available, scalable OpenStack cloud solutions
  • Deployment & Configuration: Installing and configuring the core OpenStack services (Nova, Neutron, Cinder, Glance, Keystone, etc.) often using Red Hat OpenStack Director (the installer/manager)
  • Automation: Automating cloud provisioning, configuration, and orchestration using tools like Ansible, Python, or Bash scripting
  • Integration: Integrating OpenStack with other critical services, especially Red Hat Ceph Storage for persistent storage and Red Hat Enterprise Linux (RHEL) as the underlying operating system
  • Delivery: Performing advanced troubleshooting, patching, upgrades, capacity planning, and performance tuning of the OpenStack environment
  • Container Integration: Increasingly, this role involves enabling container platforms like Red Hat OpenShift to run on top of the OpenStack virtual machines (VMs)
Read More
Arrow Right

Unix System Integration Advisor

The Unix System Integration Advisor role requires a senior-level Linux engineer ...
Location
Location
India , Bangalore
Salary
Salary:
Not provided
nttdata.com Logo
NTT DATA
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Expert knowledge on RedHat Linux OS, Kernel, infrastructure and security
  • Expert knowledge in Linux Base Build, Kickstart, and BM / BMR Functions
  • SME RedHat / equivalent applications (AWX (Open Source) / Ansible Tower, Foreman (Open Source) / Satellite, RH Insights, Pacemaker, OpenShift Concepts)
  • Proficiency in RedHat patching and security
  • Can demonstrate proficiency in several SHELL scripting languages (ex., bash)
  • Can demonstrate proficiency in hands-on unassisted troubleshooting
  • Can demonstrate knowledge with RHEL OS history, development, and roadmap
  • Can demonstrate a working technical knowledge of several mid-range server models
  • Can demonstrate implement, support and maintain Open-Source software
  • Excellent communication skills, both verbal and written
Job Responsibility
Job Responsibility
  • Design, implement, and maintain scalable and secure Linux infrastructure across on-premises and hybrid environments, ensuring high availability, performance, and compliance
  • Function as the Linux platform owner, escalation point, and tech lead in cross-functional environment
  • Mentor and lead technical staff, drive documentation and knowledge sharing, and serve as the primary subject matter expert for Linux systems within the organization
  • Own Linux system lifecycle management, including patching, upgrades, monitoring, incident response, and remediation aligned with InfoSec and audit requirements
  • Document Infrastructure and Operations
  • Maintain up-to-date documentation for system configurations, operational procedures, deployment processes and architecture diagrams for internal teams
  • Plan and Execute Upgrades
  • Evaluate and implement OS, and software upgrades as per lifecycle requirements
  • Security Monitoring and Response
  • Apply patches, mitigate risks, and generate security compliance reports for InfoSec or audit teams
  • Fulltime
Read More
Arrow Right

Openshift Subject Matter Expert

Openshift Subject Matter Expert. This role has been designed as ‘Hybrid’ with an...
Location
Location
India , Bangalore
Salary
Salary:
Not provided
https://www.hpe.com/ Logo
Hewlett Packard Enterprise
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • In-depth knowledge of Red Hat OpenStack components and architecture
  • Strong Linux administration skills, especially Red Hat Enterprise Linux
  • Proficiency in virtualization technologies (KVM, VMware)
  • Scripting skills (Python, Bash) and familiarity with automation tools (Ansible, Puppet, Terraform)
  • In-depth technical knowledge of the Cloud industry, private (OpenStack) and public cloud environments, virtualization, and cloud management
  • Good knowledge in network TCP/IP, IPv4, expertise in IPv6, VLAN,VXLAN, Bridging, routing, IP Tables, DNS, DHCP
  • Hands-on exp. in K8s services, load balancing & networking modules
  • Proficient in security, firewall, storage concepts
  • Experience with networking, storage, and security as it relates to OpenStack
  • Excellent problem-solving abilities and troubleshooting skills
Job Responsibility
Job Responsibility
  • Lead the architecture and design of Red Hat OpenStack environments
  • Collaborate with internal stakeholders to design scalable and reliable OpenStack infrastructure solutions
  • Create documentation and architecture diagrams
  • Deploy, configure, and optimize Red Hat OpenStack clusters and associated components
  • Manage the setup and integration of OpenStack services
  • Automate deployments and configurations
  • Ensure operational stability and efficiency of OpenStack environments by implementing monitoring and alerting solutions
  • Perform regular system updates, patches, and upgrades
  • Troubleshoot and resolve complex issues in OpenStack environments
  • Implement and manage security best practices
What we offer
What we offer
  • Health & Wellbeing
  • Personal & Professional Development
  • Unconditional Inclusion
  • Fulltime
Read More
Arrow Right

PostgreSQL Database Administrator

The primary role of the Database Administrator is managing Database management o...
Location
Location
Australia , Sydney
Salary
Salary:
Not provided
darumatic.com Logo
Darumatic
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Expert Postgres Enterprise and/or Community knowledge
  • Red Hat Cluster experience, preferred in use of Postgres Databases
  • Extensive experience implementing and supporting streaming replication between different sites
  • Strong implementation and support experience of SQL and Postgres (e.g .PGPool, PGBouncer, PEM, DRITA, Failover Manager, Data Adapters, Replication Server, Migration Toolkit)
  • Must have a strong understanding of the architectural and operational complexities of solutions deployed within a Postgres and MS-SQL environments
  • RAC,rman,ASM,DG broker,Performance analysis
  • High level Linux administration skills
  • Experience with OEM
  • Engineered systems experience (Exadata and ODA)
  • PostgresSQL (locted on RHEL)
Job Responsibility
Job Responsibility
  • Responsible for ensuring availability and performance of the Clearing database environment
  • Manage non-production, production and disaster recovery database environments
  • Works closely with support team colleagues to ensure that the associated hardware resources for the database environment are configured for optimum performance and availability
  • Proactively monitors database environment to ensure minimum downtime
  • Provides regular trend analysis to track database performance and throughput, for capacity planning purposes
  • Responsible for enhancements, maintenance and upgrades to the database environment
  • Works with business, architecture, development and technical colleagues to manage and implement changes
  • Carries out analysis of potential hardware problems prior to contacting third-party support
  • Ensures all system and application changes are approved via the appropriate Change Control methods
  • Develop and maintain runbooks for High Availability and Disaster Recovery tests and is responsible for planning and running these tests
Read More
Arrow Right

OpenShift Architect

We are currently seeking a OpenShift Architect to join our team in Bangalore, Ka...
Location
Location
India , Bangalore
Salary
Salary:
Not provided
nttdata.com Logo
NTT DATA
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Must be a graduate (B.Tech/B.E./MCA or equivalent)
  • Post-graduate degree in Computer Science or related field is highly preferred
  • 10 to 15 years of experience in Infrastructure Engineering, Unix/Linux Systems Architecture, and Cloud-Native platforms
  • 5+ years of experience as a primary Architect leading enterprise-scale Red Hat OpenShift (OCP 4.x) environments
  • Red Hat Certified Architect (RHCA) – Level II or higher (Cloud/Datacenter)
  • Red Hat Certified Specialist in MultiCluster Management (EX432) or Automation (EX380)
  • Solutions Architect Professional (AWS SAP-C02, Azure AZ-305, or GCP Professional Architect)
  • Willingness to work in rotational shifts/on-call as a technical lead in a 24x7 support window
Job Responsibility
Job Responsibility
  • Serve as the global SME for RHEL/RHCOS, architecting kernel-level optimizations, advanced system tuning, and high-performance computing (HPC) configurations
  • Define the strategy for transitioning legacy UNIX (AIX/Solaris/HP-UX) and monolithic Linux workloads into containerized or virtualized environments on OpenShift
  • Lead architectural decisions for Bare Metal, VMware, and KVM integration
  • Design global, highly available OpenShift architectures across hybrid and multi-cloud environments (IPI/UPI)
  • Direct architectural oversight for ROSA (AWS) and ARO (Azure)
  • Drive the roadmap for OpenShift Virtualization (KubeVirt) to unify VM and container management
  • Architect software-defined networking (SDN/OVN) and enterprise storage strategies using OpenShift Data Foundation (ODF)
  • Architect global automation frameworks using Ansible Automation Platform and Terraform
  • Establish organizational standards for OpenShift GitOps (ArgoCD)
  • Expert-level implementation of Red Hat Advanced Cluster Management (RHACM) for global governance
  • Fulltime
Read More
Arrow Right

Info Security Tech Sr Analyst

Authentication Platforms Level 3 (L3) Operation Support team is responsible for ...
Location
Location
India , Chennai
Salary
Salary:
Not provided
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 8+ Years in support business and work with System administrators, developers, and analysts with troubleshooting issues
  • 3-5 years of relevant industry experience in one or more of the following: Enterprise Single Sign On (SSO), Authentication and Authorization Products
  • Identity and Access Management tools and processes
  • Strong ability to utilize Unix and Linux systems like Red hat Enterprise Linux 8.x/7.x/ 6.x.
  • Supporting complex, multi-tier, distributed systems - Webservers, App Servers, Network topologies (Demilitarized Zone, Firewall rules etc.) required to support applications utilizing the authentication infrastructure
Job Responsibility
Job Responsibility
  • Perform change management and incident management utilizing documented procedures through Service Now (SN) or similar change management tools
  • Support service recovery procedures
  • Be the point of contact for the Level 2 Team escalation
  • Participate in Problem Management processes to identify solutions for recurring problems
  • Document problem resolutions and publish knowledgebase
  • Work with vendor support, System administrators / architects on a regular basis and track issues to closure as a Subject Matter Expert
  • Support maintenance and migrations on the SSO infrastructure
  • Fulltime
Read More
Arrow Right

Senior DevOps/Cloud Engineer

We are seeking a highly skilled Senior DevOps/Cloud Engineer to join our team in...
Location
Location
Canada , Toronto
Salary
Salary:
Not provided
https://www.randstad.com Logo
Randstad
Expiration Date
June 08, 2026
Flip Icon
Requirements
Requirements
  • Cloud Expertise: 10+ years of IT experience with a deep focus on AWS resource management, automation, and production system maintenance
  • OS & Containers: 5+ years of experience with Linux (Red-Hat/Solaris) and 3+ years of hands-on administration of Kubernetes and Docker
  • 5+ years working within federal/provincial healthcare environments, with familiarity in Company Architecture artifacts and gating processes
  • Automation Stack: Proficiency in scripting (Python, Bash, JavaScript) and build tools (Git, Ansible, Maven, Jenkins) for continuous integration
  • Specialized AWS Services: Knowledge of Amazon Connect, Pinpoint, DynamoDB, Kinesis, and Polly
  • Security Standards: Proven experience applying industry-standard architectural and security best practices within a cloud context
  • Soft Skills: Exceptional technical leadership, analytical problem-solving, and stakeholder management skills, with a track record of meeting strict deadlines in complex environments
Job Responsibility
Job Responsibility
  • AWS Infrastructure Management: Design, build, and maintain production environments utilizing a wide array of AWS services, including VPC, IAM, EC2, S3, Lambda, Aurora, and Redshift
  • Container Orchestration: Provide expert administration of Kubernetes and Docker container solutions to support microservices and distributed application architectures
  • System Automation: Develop and maintain automation scripts using Python, Bash, or Node.js and configuration management tools like Ansible, Chef, or Puppet
  • Security & Compliance: Implement advanced cloud security models (identity, network, and encryption) and create safeguards to protect sensitive healthcare data against unauthorized access
  • Performance Monitoring: Regularly review production logs and use tools like AWS CloudWatch and CloudTrail to monitor application performance, ensuring proactive issue resolution
  • Linux Administration: Perform installation, troubleshooting, and hardening of Red-Hat Linux operating systems to maintain a secure and stable foundation
  • Documentation & Design: Produce detailed system design models, technical specifications, and integration plans to support both new builds and sustainment activities
  • DevOps Integration: Manage CI/CD pipelines using GitLab, Jenkins, and Maven to streamline package deployment and automation
What we offer
What we offer
  • Long-Term Stability: An initial 18-month contract offers significant project continuity and professional security
  • High-Impact Work: Contribute directly to the Public Health domain, building solutions that protect and serve the community
  • Cutting-Edge Tech: Work with a comprehensive suite of AWS services and modern container-based virtualization technologies
  • Leadership Opportunity: Take a lead role in evaluating new technology alternatives and recommending architecture improvements for large-scale IT projects
  • Fulltime
Read More
Arrow Right