linux systems engineer

Cartafella Analytics

<p>We are looking for Senior Linux Automation &amp; Patching Engineer for Qatar location.</p><p>Key Responsibilities</p><p>1. End-to-End Patching Lifecycle Management</p><ul><li>Manage the full patching lifecycle for 100+ Linux servers across RHEL/CentOS 7.x, 8.x, and 9.x.</li><li>Plan, schedule, and execute patching within approved maintenance windows, aligned with strict change management procedures.</li><li>Conduct pre-deployment patch testing in staging environments to assess risk, dependencies, and application impact.</li><li>Perform kernel patching, pre-reboot validations, and coordinated post-reboot health checks.</li><li>Maintain detailed runbooks and ensure zero unplanned downtime during patch cycles.</li></ul><p>2. Package &amp; Repository Management</p><ul><li>Manage, configure, and optimize local YUM/DNF repositories, including syncing with upstream vendor sources.</li><li>Handle multi-source patching (OS vendor patches, third-party package updates, custom repositories).</li><li>Maintain secure repository architecture and ensure package integrity.</li><li>Oversee version pinning, dependency management, rollback strategies, and patch impact controls.</li></ul><p>3. Tooling &amp; Automation</p><ul><li>Deploy, manage, and optimize patch management tools such as:</li><li>Red Hat Satellite</li><li>Foreman/Katello</li><li>Ansible Automation Platform</li><li>Ubuntu Landscape (desirable)</li><li>Architect and maintain Ansible playbooks and roles for:</li><li>Automated patch deployment</li><li>Compliance validation</li><li>Configuration drift detection</li><li>Inventory and reporting</li><li>Integrate patching workflows into CI/CD pipelines for automated maintenance where applicable.</li><li>Implement idempotent, reproducible automation practices with structured workflows.</li></ul><p>4. Compliance, Security &amp; Reporting</p><ul><li>Ensure 100% compliance with organizational patching SLAs and security mandates.</li><li>Analyze vulnerability reports and work closely with the Security team to prioritize patches based on:</li><li>CVSS scores</li><li>Exploit availability</li><li>Internal vulnerability scans</li><li>Generate detailed compliance dashboards and reports covering:</li><li>Patch status</li><li>System inventory</li><li>Remediation progress</li><li>High-risk vulnerabilities</li><li>Maintain audit-ready documentation for regulatory and internal compliance reviews.</li></ul><p>5. Troubleshooting &amp; Cross-Functional Collaboration</p><ul><li>Troubleshoot patching failures, dependency conflicts, repository sync issues, and post-patch application problems.</li><li>Partner with Linux Operations, Application Owners, and Infrastructure teams to ensure coordinated patching without business impact.</li><li>Own documentation of procedures, FAQs, best practices, and known issues for internal knowledge bases.</li><li>Provide mentorship and technical guidance to junior engineers.</li></ul><p>Qualifications &amp; Skills</p><p>Essential Qualifications</p><ul><li>8+ years of experience as a Linux System Administrator or Patching Engineer.</li><li>Expert-level proficiency with RHEL/CentOS 7/8/9, YUM/DNF package management, and repository handling.</li><li>Strong hands-on experience with Ansible automation (Playbooks, Roles, Tower/AAP).</li><li>Proficiency in Shell and Bash scripting.</li><li>Solid understanding of:</li><li>Linux security hardening</li><li>System performance diagnostics</li><li>Strong analytical skills and ability to troubleshoot complex patching issues.</li></ul><p>Desirable Qualifications</p><ul><li>Experience with Red Hat Satellite Lifecycle Management.</li><li>Exposure to other Linux distributions (Ubuntu,Oracle Linux, SUSE).</li><li>Experience with compliance frameworks: CIS</li><li>Certifications such as:</li><li>RHCSA</li><li>RHCE</li><li>Red Hat Certified Specialist in Ansible Automation</li></ul><p>If you are available, please send your cv imemdiately.</p><p>Job Type: Full-time</p><p>Pay: QAR15,000.00 - QAR18,000.00 per month</p>

Senior Linux Automation & Patching Engineer for Qatar

Red Hat

<div></div><div><div><div><div><div><div><div><div><div><div><div>About the Job:</div><div></div><div>
The Red Hat Global Support Services team is looking for a highly skilled Senior Software Maintenance Engineer with excellent technical and customer service skills to join us in Pune, India. The role is focused on providing expert-level, advanced technical support for enterprise customers (online and phone) on Red Hat technologies, including Red Hat Enterprise Linux (RHEL), storage, and cloud solutions.Key responsibilities include in-depth investigation, reproduction, and high-level troubleshooting of complex, escalated customer issues, utilizing specialized tools and knowledge to resolve critical technical problems. A requirement to achieve Red Hat Certified Engineer (RHCE) certification is essential, demonstrating proficiency in managing and troubleshooting RHEL environments.</div><div></div><div>
What you will do?</div><div></div><ul><li><div>
Deliver high-tier technical solutions for Red Hat Enterprise Linux environments, ensuring the stability and scalability of mission-critical deployments.</div></li><li><div>
Work with Red Hat Enterprise customers across the globe on 24x7 basis that requires one to work in different shifts periodically</div></li><li><div>
Collaborate Cross-Functionally with Production Support, Technical Account Managers (TAMs), and Engineering teams to align customer feedback with product roadmaps.</div></li><li><div>
Leverage Advanced Generative AI &amp; LLMs (e.g., Google Gemini) to accelerate the support lifecycle through sophisticated prompt engineering, multi-dimensional research, and the synthesis of complex technical documentation into actionable intelligence.</div></li><li><div>
Contribute to the global Red Hat knowledge management system while working on customer issues</div></li><li><div>
Contribute to the global initiatives within the organisation that helps us drive the better customer experience.</div></li></ul><div></div><div>
What you will bring?</div><div></div><ul><li><div>
6+ years of Linux experience in the enterprise sector, with excellent administration skills</div></li><li><div>
Linux operating system installation, configuration, upgrades, and maintenance experience</div></li><li><div>
Solid understanding of networking configuration (IP configuration, interface bonding, routing, firewalls, etc.)</div></li><li><div>
Strong troubleshooting skills</div></li><li><div>
Strong understanding of all base packages included in the RHEL distribution</div></li><li><div>
Strong understanding of security mechanisms such as SELinux and iptables</div></li><li><div>
Strong understanding of authentication mechanisms including local files, NIS, LDAP, and Kerberos</div></li><li><div>
Working Knowledge experience with C, and familiarity with developing and applying patches</div></li><li><div>
Ability to create and implement test plans for software maintenance.</div></li><li><div>
Experience writing scripts using Bash, Python, and/or Perl to troubleshoot and correct Linux issues</div></li><li><div>
Excellent troubleshooting skills, and a passion for problem solving and investigation</div></li><li><div>
Ability to work with conflicting priorities, take initiative, and maintain a customer-centric focus</div></li><li><div>
Upstream involvement in open-source projects (patches submitted for upstream inclusion) a plus, but not required</div></li></ul></div></div></div></div></div></div></div></div></div><div></div><div>
About Red Hat</div><div><div>
Red Hat</div> is the world&rsquo;s leading provider of enterprise<div> open source</div> software solutions, using a community-powered approach to deliver high-performing Linux, cloud, container, and Kubernetes technologies. Spread across 40+ countries, our associates work flexibly across work environments, from in-office, to office-flex, to fully remote, depending on the requirements of their role. Red Hatters are encouraged to bring their best ideas, no matter their title or tenure. We're a leader in open source because of our open and inclusive environment. We hire creative, passionate people ready to contribute their ideas, help solve complex problems, and make an impact.</div><div></div><div>
Inclusion at Red Hat<br>
Red Hat&rsquo;s culture is built on the open source principles of transparency, collaboration, and inclusion, where the best ideas can come from anywhere and anyone. When this is realized, it empowers people from different backgrounds, perspectives, and experiences to come together to share ideas, challenge the status quo, and drive innovation. Our aspiration is that everyone experiences this culture with equal opportunity and access, and that all voices are not only heard but also celebrated. We hope you will join our celebration, and we welcome and encourage applicants from all the beautiful dimensions that compose our global village.</div><div></div><div>
Equal Opportunity Policy (EEO)<br>
Red Hat is proud to be an equal opportunity workplace and an affirmative action employer. We review applications for employment without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, ancestry, citizenship, age, veteran status, genetic information, physical or mental disability, medical condition, marital status, or any other basis prohibited by law.</div><div><br>
Red Hat does not seek or accept unsolicited resumes or CVs from recruitment agencies. We are not responsible for, and will not pay, any fees, commissions, or any other payment related to unsolicited resumes or CVs except as required in a written contract between Red Hat and the recruitment agency or party requesting payment of a fee.</div><div><br>
Red Hat supports individuals with disabilities and provides reasonable accommodations to job applicants. If you need assistance completing our online job application, email <div>application-assistance@redhat.com</div>. General inquiries, such as those regarding the status of a job application, will not receive a reply.</div></div>

Senior Software Maintenance Engineer (RHEL)

Techbridge Consultancy Services

<p>We are looking for a highly motivated <b>VoIP Engineer</b> with <b>2 to 4 years of hands-on experience</b>, VoIP technologies, and cloud-enabled UCaaS solutions. The ideal candidate is skilled in SIP protocols, VoIP , and has a strong background in Linux systems, networking, and telephony automation.</p><p><b>Responsibilities:</b></p><ul><li>Demonstrate a robust understanding of PBX, VoIP, and cloud-based UCaaS solutions.</li><li>Act as the primary authority on SIP voice protocols, ensuring accurate configuration and optimization.</li><li>Implement and refine network parameters to ensure optimal voice quality across the network.</li><li>Preferably possess experience with WebRTC voice and video protocols.</li><li>Possess extensive knowledge of SIP signalling, media flows, and troubleshooting methodologies.</li><li>Exhibit a strong grasp of Quality of Service (QoS) principles in a voice environment.</li><li>Showcase excellent communication and collaboration skills.</li><li>Oversee the quality of service delivered by the team in alignment with customer SLAs.</li><li>Conduct system administration for Asterisk PBX, IVR, and Call Center servers worldwide.</li><li>Manage SMPP and API-based SMS technologies.</li><li>Collaborate with the team to uphold the security of all VoIP devices and servers, ensure service quality, redundancy of voice paths, and optimize services.</li><li>Analyze Linux-based servers for QoS, scalability, utilization, and high availability.</li><li>Engage in continuous research to identify and implement the latest technologies for enhancing telephony infrastructure.</li><li>Develop applications integrated with telephony systems to enhance monitoring and daily operations.</li><li>Create automation scripts in Python, PHP, Perl, etc., to automate various tasks and activities within the system.</li></ul><p><b>Skills Required:</b></p><ul><li>Proficiency in Linux systems, including various distributions such as Red Hat/CentOS, Ubuntu/Debian, with experience in system administration and troubleshooting.</li><li>Strong understanding of network infrastructure, TCP/IP networking, routing, and switching.</li><li>Expertise in scripting languages such as Python, Perl, Bash for automation and task scripting.</li><li>Familiarity with database design, SQL queries, preferably with MySQL.</li><li>Hands-on experience with the SMPP protocol.</li><li>Proficient in VoIP tools like Asterisk or FreeSWITCH</li><li>Good understanding of SIP proxies like Kamailio or OpenSIPS.</li><li>Thorough understanding of VoIP protocols including SIP, SDP, RTP, RTCP, IAX, WS/WSS, etc.</li><li>Knowledgeable about Asterisk functionalities such as AGI, ARI, queues, conferencing, etc.</li><li>Ability to configure SIP proxies and B2BUAs.</li><li>Experience in troubleshooting carrier interconnection and VoIP-related issues.</li><li>Adaptability to changing technology and business requirements.</li></ul><p>Job Type: Full-time</p><p>Application Question(s):</p><ul><li>How many years of experience do you have in Voip?</li><li>Do you have scripting experience (Python, PHP, Bash, Perl)?</li><li>Do you have hands-on experience with Linux server administration?</li></ul><p>Work Location: In person</p>

Voip Engineer

ITWORX

<div><p>Senior System Engineer (UNIX) | Fulltime</p><div><p><b>
Job Description:</b></p><div><p>
Responsible for the automation of the infrastructure; build processes; and maintain operating systems from administration and configuration perspective. Responsible for virtualization and containerization concepts.</p><p></p><ul><li><b><br>
Key accountabilities and decision ownership:</b>Work on request for proposals and design infrastructure proposals</li><li>
Create; maintain; and support infrastructure for ITWorx customers.</li><li>
Lead and manage large and complex projects starting from customer communication until delivery</li><li>
Provide consultancy for DevOps implementation</li><li>
Act as a technical subject matter expert by providing additional support and consultancy to customers</li><li>
Provide infrastructure automation solutions to improve the efficiency of different operations</li><li>
Research and learn new technologies and stay aligned with the market trends and competition</li><li>
Report project status and updates after completion internally and externally.</li><li>
Provide solutions for applications and infrastructure</li><li>
Continuously optimize costs for the cloud</li><li>
Coach; mentor; and provide technical support to other team members</li><li>
Provide time estimates of tasks for junior and senior team members</li><li>
Assist with the allocation of team members and assigning them to different projects based on their expertise</li><li>
Identify current enhancement opportunities and better solutions internally or externally as well as capture future business opportunities</li><li>
Build an internal and external cybersecurity mindset and continuously ensure the best security practices and measures are applied in place</li></ul></div></div><p></p><div><p><b><br>
Job Requirements:</b></p><div><ul><li>
Bachelor's degree in computer science or communication and electronics</li><li>
2 + years of experience as a system engineer</li><li>
Automation (software and infrastructure) experience is a MUST</li>
Cloud certification<br>
<li>
<br>
<br>
<br>
<ul><li>preferred</li></ul></li>
For UNIX/LINUX: RHCSE certificate<br>
<li>
<br>
<br>
<br>
<ul><li>preferred</li></ul></li>
For Microsoft: Microsoft MCSE certificate<br>
<li>
<br>
<br>
<br>
<ul><li>preferred</li></ul></li>
Experience in software development house<br>
<li>
<br>
<br>
<br>
<ul><li>preferred</li></ul></li><li>
Cloud Development Azure / Advanced</li><li>
Cloud Development AWS / Advanced</li><li>
DevOps &amp; Release Azure DevOps / Advanced</li><li>
DevOps &amp; ReleaseGitlab CI/CD / Advanced</li><li>
DevOps &amp; Release General Automation and Development / Advanced</li><li>
Unix/Linux System Engineering &amp; Administration Docker / Advanced</li><li>
Unix/Linux System Engineering &amp; Administration Red Hat Enterprise Linux / Advanced</li><li>
Unix/Linux System Engineering &amp; Administration General Linux / Advanced
</li><li>Unix/Linux System Engineering &amp; Administration Open Shift / Intermediate</li></ul></div></div><p></p><div><p><b><br>
Equal opportunity:</b></p><p>
All qualified applicants will receive consideration for employment without regard to age, religion, gender, nationality or disability. All qualified candidates will be considered in the process</p></div></div><p></p>
<br><div><div><div><div>Posted 1 weeks ago</div></div></div><div></div><div><div><div><div><div><ul><li><b>
Job Location</b></li><li>
Egypt</li></ul></div></div><div><div><ul><li><b>
Job Code</b></li><li><b>
2035</b></li></ul></div></div></div></div></div><div><div><div><div><p><b>
Job Overview</b></p></div><div></div><div><div><ul><li>
Experience</li><li>
2+ Years</li></ul></div></div><div></div><div><div><ul><li>
Job Level:</li><li>
Early Career</li></ul></div></div><div></div><div><div><ul><li>
Education</li><li>
Bachelor's degree in computer science or communication and electronics</li></ul></div></div></div></div></div></div><p></p>

Senior System Engineer (UNIX)

ICE Consulting - Managed IT & Cybersecurity for Life Sciences

<div>
 <strong>
  Who We Are:
  <br/>
  <br/>
 </strong>
 At ICE Consulting, we have built a reputation as a leading Managed IT Services company since 1997. We specialize in providing comprehensive managed services, including cloud solutions, security services, and IT infrastructure management for small to medium-sized enterprises. Our commitment to innovation and excellence drives us to seek talented individuals ready to join our collaborative team and contribute to our continued success.
 <br/>
 <br/>
 <strong>
  Who You Are:
  <br/>
  <br/>
 </strong>
 You are an experienced Senior AWS &amp; Linux Engineer with a robust background in designing, implementing, and maintaining cloud-based solutions. You thrive in dynamic environments and have the ability to tackle complex challenges with ease. Your expertise encompasses a strong understanding of AWS services, Linux server administration, and security best practices. Your communication skills and client relationship management abilities set you apart as a leader in your field, making you an invaluable asset as you collaborate with internal teams and clients alike.
 <br/>
 <br/>
 <strong>
  So here is the Job:
  <br/>
  <br/>
 </strong>
 In this newly created position, you will have the flexibility to work from our corporate offices in Milpitas or remotely. Your role will involve leveraging your technical skills to build and optimize our cloud infrastructure while ensuring system security and performance. You will collaborate closely with clients to assess their needs, implement solutions, and ensure seamless integration of cloud systems. Our environment includes:
 <br/>
 <br/>
 <ul>
  <li>
   AWS infrastructure, including EC2, S3, Lambda, and CloudFormation
  </li>
  <li>
   Linux operating systems, particularly CentOS and Ubuntu
  </li>
  <li>
   Automation tools like Ansible or Terraform
  </li>
  <li>
   Containerization technologies such as Docker and Kubernetes
   <br/>
   <br/>
  </li>
 </ul>
 <strong>
  Requirements
  <br/>
  <br/>
 </strong>
 <ul>
  <li>
   Proven experience with AWS services and architecture
  </li>
  <li>
   Strong proficiency in Linux server administration (CentOS, Ubuntu)
  </li>
  <li>
   Experience with automation tools (Ansible, Terraform) for configuration management
  </li>
  <li>
   Familiarity with containerization technologies such as Docker and Kubernetes
  </li>
  <li>
   Knowledge of networking concepts and security protocols in cloud environments
  </li>
  <li>
   Experience with monitoring and logging tools (CloudWatch, ELK stack)
  </li>
  <li>
   Strong troubleshooting and problem-solving skills
  </li>
  <li>
   Ability to work collaboratively in a fast-paced environment
  </li>
  <li>
   Excellent verbal and written communication skills
  </li>
  <li>
   At least 5+ years of experience working in systems administration or engineering roles
  </li>
  <li>
   A relevant AWS certification (e.g., AWS Certified Solutions Architect) is a plus
  </li>
  <li>
   Experience in working with CI/CD processes and DevOps methodologies is a plus
   <br/>
   <br/>
  </li>
 </ul>
 <strong>
  Benefits
  <br/>
  <br/>
 </strong>
 Excellent company benefits including health insurance, PTO, 401(K) with company match and bonus plan.
</div>


Senior AWS & Linux Engineer

ICE Consulting

<div><p><b>Who We Are:</b></p><p>
At ICE Consulting, we have built a reputation as a leading Managed IT Services company since 1997. We specialize in providing comprehensive managed services, including cloud solutions, security services, and IT infrastructure management for small to medium-sized enterprises. Our commitment to innovation and excellence drives us to seek talented individuals ready to join our collaborative team and contribute to our continued success.</p><p><b>
Who You Are:</b></p><p>
You are an experienced Senior AWS &amp; Linux Engineer with a robust background in designing, implementing, and maintaining cloud-based solutions. You thrive in dynamic environments and have the ability to tackle complex challenges with ease. Your expertise encompasses a strong understanding of AWS services, Linux server administration, and security best practices. Your communication skills and client relationship management abilities set you apart as a leader in your field, making you an invaluable asset as you collaborate with internal teams and clients alike.</p><p><b>
So here is the Job:</b></p><p>
In this newly created position, you will have the flexibility to work from our corporate offices in Milpitas or remotely. Your role will involve leveraging your technical skills to build and optimize our cloud infrastructure while ensuring system security and performance. You will collaborate closely with clients to assess their needs, implement solutions, and ensure seamless integration of cloud systems. Our environment includes:</p><ul>
<li>
AWS infrastructure, including EC2, S3, Lambda, and CloudFormation.</li>
<li>Linux operating systems, particularly CentOS and Ubuntu.</li>
<li>Automation tools like Ansible or Terraform.</li>
<li>Containerization technologies such as Docker and Kubernetes.</li>
</ul><p><b>
Requirements</b></p><ul>
<li>
Proven experience with AWS services and architecture.</li>
<li>Strong proficiency in Linux server administration (CentOS, Ubuntu).</li>
<li>Experience with automation tools (Ansible, Terraform) for configuration management.</li>
<li>Familiarity with containerization technologies such as Docker and Kubernetes.</li>
<li>Knowledge of networking concepts and security protocols in cloud environments.</li>
<li>Experience with monitoring and logging tools (CloudWatch, ELK stack).</li>
<li>Strong troubleshooting and problem-solving skills.</li>
<li>Ability to work collaboratively in a fast-paced environment.</li>
<li>Excellent verbal and written communication skills.</li>
<li>At least 5+ years of experience working in systems administration or engineering roles.</li>
<li>A relevant AWS certification (e.g., AWS Certified Solutions Architect) is a plus.</li>
<li>Experience in working with CI/CD processes and DevOps methodologies is a plus.</li>
</ul><p><b>
Benefits</b></p><p>
Excellent company benefits including health insurance, PTO, 401(K) with company match and bonus plan.</p></div>

Hobby Lobby

In search of a self-motivated <strong>Linux Administrator. </strong>The Linux Administrator is responsible for provisioning, installation, configuration, maintenance, and operations of both hardware and software of the environment.<br><br><strong>Primary Functions/Job Description</strong> <ul><li> Management of Linux systems </li><li> Install/configure new servers based on standards and operational requirements </li><li> Installation and maintenance of OS including: patching, new installs, and upgrades </li><li> Maintain, configure, monitor, tune, and troubleshoot Linux environment </li><li> Perform daily monitoring including: hardware, applications, key processes, and scheduled jobs </li><li> Maintain daily backup operations following operational guidelines </li><li> Develop, maintain, and contribute to installation and configuration procedures documentation </li><li> Perform regular security monitoring of Linux environment </li><li> Manage user accounts and access to systems </li></ul><br><strong>Auto req ID</strong><br> 18059BR<br><br><strong>Job Title</strong><br> Linux Administrator <br><br><strong>Job Description - Requirements</strong><br> <strong>Preferred Skills</strong> <ul><li> Understanding of load balancing technology, server farms, and web services </li><li> Familiarity with DNS, TCP/IP, DHCP, HTTP, and TLS </li><li> Technical knowledge and experience with the following: <ul><li> Red Hat Linux, CentOS Linux, SUSE Linux, and Ubuntu Linux </li></ul></li><li> Experience with virtualization technologies </li><li> Server configuration and automation with Ansible </li><li> Strong scripting experience with one of: Shell, Python, Perl, PowerShell etc. </li><li> Knowledge of OpenShift Container Platform </li><li> Intermediate knowledge of Windows Server systems </li><li> Experience with Kafka environments </li></ul> <strong>Requirements:</strong> <ul><li> Minimum of 5 years Linux administration experience or cloud operations role </li><li> Minimum of 3 years scripting experience (Shell, Python, Perl, PowerShell, etc.) </li><li> Experience with Linux based OS configuration and management </li><li> Proficient in shell scripting, cron jobs, user account management, analyzing logs, configuration of common services </li><li> Problem troubleshooting and solving ability </li><li> Excellent written and oral communication skills including documentation </li><li> Ability to work in team environment and individually </li></ul> <strong>Benefits include:</strong> <ul><li> Competitive Wages </li><li> Medical, Dental and Prescription Plan </li><li> 401(k) Program with Company Match </li><li> Paid Vacation </li><li> Sick / Personal Pay (SPP) </li><li> Employee Discount </li><li> Life Insurance and Long Term Disability Insurance (LTD) </li><li> Flexible Spending Plan </li><li> Holiday Pay </li><li> Integris Clinic and Pharmacy on campus </li><li> Chaplain Services on campus </li></ul> <strong>Hobby Lobby Stores, Inc. is an Equal Opportunity Employer </strong><br>For reasonable accommodation of disability during the hiring process call . <br><br><strong>State/Province</strong><br> Oklahoma <br><br><strong>City</strong><br> Oklahoma City<br><br><strong>Address 1</strong><br> 7707 SW 44th Street<br><br><strong>Zip Code</strong><br> 73179 Required <ul></ul> Preferred <ul></ul> Job Industries <ul><li> Other </li></ul>

Linux Administrator - Full Benefits & Competitive Pay

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