linux system engineer

Business Solutions & Services (BSS) - USA

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 Job Summary
 
 
 
 We are looking for a skilled Red Hat Engineer with 3 &ndash; 5 years of experience in Linux system administration, container platforms, and enterprise infrastructure environments. The ideal candidate should have hands-on expertise in Red Hat Enterprise Linux (RHEL), automation tools, and container orchestration using Red Hat OpenShift.
 
 
 
 Key Responsibilities
 
 
 
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 Install, configure, and maintain Red Hat Enterprise Linux (RHEL 7/8/9) servers.
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 Manage patching, upgrades, system hardening, and performance tuning.
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 Deploy and manage containerized workloads on Red Hat OpenShift.
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 Support containerization using Docker and orchestration via Kubernetes.
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 Implement automation using Ansible and manage CI/CD pipelines (e.g., Jenkins).
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 Monitor system health and performance using tools such as Nagios or Grafana.
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 Support cloud and hybrid environments across major cloud platforms.
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 Manage virtualization platforms and support on-prem to cloud migrations.
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 Ensure infrastructure security, compliance, and documentation standards.
 
 
 
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 Required Skills
 
 
 
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 3 &ndash; 5 years of hands-on Linux administration experience.
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 Strong expertise in Red Hat Enterprise Linux.
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 Experience managing Red Hat OpenShift environments.
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 Knowledge of automation, scripting (Bash/YAML), and DevOps practices.
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 Understanding of networking, storage, and virtualization concepts.
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 Experience supporting development, testing, and production environments.
 
 
 
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 Preferred Certifications
 
 
 
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 Red Hat Certified System Administrator (RHCSA)
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 Red Hat Certified Engineer (RHCE)
 
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</div>

Red Hat Engineer

Canonical

<div>
 Canonical is a leading provider of open source software and operating systems to the global enterprise and technology markets. Our platform, Ubuntu, is very widely used in breakthrough enterprise initiatives such as public cloud, data science, AI, engineering innovation, and IoT. Our customers include the world's leading public cloud and silicon providers, and industry leaders in many sectors. The company is a pioneer of global distributed collaboration, with 1200+ colleagues in 75+ countries and very few office-based roles. Teams meet two to four times yearly in person, in interesting locations around the world, to align on strategy and execution.
 
 
 The company is founder-led, profitable, and growing.
 
 
 The Canonical Kernel Team is seeking exceptionally talented technology experts and industry veterans with a proven track record in operating systems kernel development or low level system engineering to take the lead in the architecture, implementation, and ongoing delivery of the following (but not limited to) aspects of the Ubuntu Linux kernel:
 
 
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 Driving engagements for key Silicon and Cloud partners to provide optimal solutions for their platforms
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 Leading the mitigation of common vulnerabilities and exposures for Ubuntu Linux as well as driving active hardening in the kernel
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 Architecting enhancements to performance and correctness to make Ubuntu Linux the most reliable and highest performing Linux kernel available today
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 Streamlining the packaging and distribution of particularly troublesome third-party components for optimal experience by end users
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 Developing new means to deliver Ubuntu Linux at scale to the strict quality standards and delivery schedules expected by end users
 
 
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 While not a formal managerial role, the successful candidate will possess strong people skills and natural ability to lead engineers within the team, as well as working with other external teams to coordinate adoption and delivery.
 
 
 We are looking for individuals with not only an incredibly deep technical background in operating system kernels and distributions, but also a strong flair for leadership and taking initiative to drive ideas and the associated delivery teams to completion.
 
 
 While we hesitate to put a specific number of years of experience as a requirement for an applicant as that does not take into account relative ability or circumstances, for a comparative guideline we would be seeking candidates with the demonstrated technical equivalent of 15+ years of industry experience.
 
 
 
 Location:
 
 We have home-based lead kernel engineer roles in every timezone, although the individual aspects as listed above may be linked to a specific geographic region.
 
 
 
 What the role entails
 
 
 
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 Set the technical direction and lead the delivery of a team of junior and mid-career engineers for a key aspect of Ubuntu Linux
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 Work closely with management within and outside the team to track and coordinate initiatives to delivery
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 Collaborate daily with other senior technical leadership on the Kernel Team on how best to ensure Ubuntu stays at the pinnacle of Linux distributions
 
 
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 What we are looking for in you
 
 
 
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 Well-organised and motivated self-starter able to thrive in a remote work environment
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 Strong communication skills in English, both written and verbal
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 Expert understanding of the C programming language
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 Demonstrated expertise working in a *nix-based operating system kernel and distribution. While direct Linux experience would be ideal, it is not required.
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 Python and Bash scripting ability
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 Powerful grasp of the capabilities and nuances of the git version control system
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 Prior experience developing with software packaging formats, with direct Ubuntu/Debian/Snap experience being highly regarded
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 Ability to travel internationally at least twice a year for company events of up to two weeks length
 
 
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 Nice-to-have skills
 
 
 
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 Strong background in RTOS and real-time performance analysis
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 Demonstrated experience with kernel patching and debugging
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 Strong grasp of device drivers, BSP's, and other low level system engineering
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 Prior experience with Rust, ideally as it pertains to the Linux kernel
 
 
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 What we offer colleagues
 
 
 
 We consider geographical location, experience, and performance in shaping compensation worldwide. We revisit compensation annually (and more often for graduates and associates) to ensure we recognize outstanding performance. In addition to base pay, we offer a performance-driven annual bonus or commission. We provide all team members with additional benefits which reflect our values and ideals. We balance our programs to meet local needs and ensure fairness globally.
 
 
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 Distributed work environment with twice-yearly team sprints in person
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 Personal learning and development budget of USD 2,000 per year
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 Annual compensation review
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 Recognition rewards
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 Annual holiday leave
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 Maternity and paternity leave
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 Team Member Assistance Program &amp; Wellness Platform
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 Opportunity to travel to new locations to meet colleagues
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 Priority Pass and travel upgrades for long-haul company events
 
 
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 About Canonical
 
 
 
 Canonical is a pioneering tech firm at the forefront of the global move to open source. As the company that publishes Ubuntu, one of the most important open-source projects and the platform for AI, IoT, and the cloud, we are changing the world of software. We recruit on a global basis and set a very high standard for people joining the company. We expect excellence; in order to succeed, we need to be the best at what we do. Most colleagues at Canonical have worked from home since our inception in 2004. Working here is a step into the future and will challenge you to think differently, work smarter, learn new skills, and raise your game.
 
 
 
 Canonical is an equal opportunity employer
 
 
 
 We are proud to foster a workplace free from discrimination. Diversity of experience, perspectives, and background create a better work environment and better products. Whatever your identity, we will give your application fair consideration.
 
 
</div>

Lead Linux Kernel Engineer - Ubuntu

maxapex

The candidate should be Fresh or 6 months of experience. Should know the following:Linux (Command Line) &mdash; Mandatory A basic understanding of the Linux command line is required. Candidates must be comfortable navigating the Linux environment, executing commands, and performing fundamental system operations.<ul><li>Database Management &mdash; Mandatory</li></ul>Candidates must have hands-on experience or a working knowledge of at least one relational database system, such as MySQL or PostgreSQL. Experience with Oracle Database is highly preferred and will be considered a strong advantage.Oracle APEX (Optional) &mdash; Experience with Oracle Application Express for web-based application development.<ul><li>DNS Configuration (Optional) &mdash; Familiarity with DNS record types including A, CNAME, SPF, and MX records.</li><li>Email Server Settings (Optional)&mdash; Knowledge of configuring and managing email services and related settings.</li><li>Jasper Reports (Optional)&mdash; Experience in designing and generating reports using JasperReports.</li></ul>Job Type: Full-timePay: Rs20,000.00 - Rs30,000.00 per monthApplication Question(s):<ul><li>What is your current salary?</li><li>what is your expected Salary?</li><li>When Can you join?</li><li>Where do you live in Karachi?</li></ul>Location:<ul><li>Karachi (Required)</li></ul>Work Location: In person

Technical Support Trainee

Carbon Reprographics

We are looking for an experienced Linux Server &amp; DevOps Specialist to urgently diagnose and resolve high server load issues on our production environment.This is a critical, time-sensitive task, and we need someone who can quickly identify the root cause and implement a long-term, stable solution (not temporary fixes).Scope of Work<ul><li>Investigate and resolve high server load / performance bottlenecks</li><li>Analyze logs and processes across:</li><li>Apache</li><li>PHP-FPM</li><li>MySQL</li><li>System/server logs</li><li>Identify root cause (traffic spikes, inefficient queries, misconfigurations, etc.)</li><li>Optimize:</li><li>CPU, RAM, and I/O usage</li><li>Web server and database performance</li><li>Configure and secure:</li><li>Cloudflare (WAF, rate limiting, caching)</li><li>Firewall (UFW or CSF)</li><li>Detect and mitigate:</li><li>Bot traffic</li><li>Abusive requests / attacks</li></ul>Post-Stabilization Task<ul><li>Migrate from Apache to LiteSpeed (OpenLiteSpeed or LiteSpeed Enterprise)</li><li>Configure and optimize LiteSpeed for performance and scalability</li><li>Ensure compatibility with existing applications (cPanel environment)</li></ul>✅ Requirements<ul><li>Strong experience with Linux servers + cPanel/WHM</li><li>Deep expertise in:</li><li>Apache</li><li>PHP-FPM tuning</li><li>MySQL optimization</li><li>Hands-on experience with Cloudflare (WAF, caching, security rules)</li><li>Proven experience with LiteSpeed setup and optimization</li><li>Strong knowledge of server security and firewall configuration</li><li>Ability to work quickly under pressure and handle urgent production issues</li></ul>Environment<ul><li>Dedicated server:</li><li>32 CPU cores</li><li>128 GB RAM</li><li>NVMe storage</li><li>cPanel / WHM</li><li>Cloudflare (active)</li></ul>Ideal Candidate<ul><li>Has handled high-load production incidents</li><li>Can quickly diagnose root causes, not just treat symptoms</li><li>Communicates clearly and provides a brief report of findings + fixes</li><li>Available to start immediately</li></ul>Additional Notes<ul><li>This is an urgent task &mdash; please apply only if you are available to start right away</li><li>Include examples of similar work (performance fixes, migrations, etc.)</li></ul>Job Types: Full-time, Part-timePay: Rs100,000.00 - Rs150,000.00 per monthWork Location: Remote

Linux Server & DevOps Specialist

Cypher Analytics

Systems Engineer Location: San Diego, CAPosition Summary:We're hiring a Systems Engineer to support complex Navy IT systems in developing, operating, and maintaining complex technology systems using engineering principles, theories, and concepts. The Systems Engineer will be responsible for planning, design, integration, and installation of complex information systems, configuration management and control systems, computer systems and related subsystems for Navy Programs. The Systems Engineer shall maintain a secret clearance and provide systems engineering expertise, to include hardware system design, analysis of alternatives, end-of-life planning, technical documentation, and testing for the Space and Naval Warfare Systems Command.Minimum Requirements:<ul><li>Active Secret Clearance.</li><li>CompTIA Security + is required.</li><li>Prior experience in a DOD, Navy, NAVWAR program or related field.</li><li>Working experience with Ansible, YAML, XML, Python, GIT, and Bitbucket.</li><li>Familiarity with ADNS or other NAVY Networks.</li></ul>Essential Functions:<ul><li>Strong understanding of networking principles, protocols, and technologies.</li><li>Experience with encryption technologies and data security practices</li><li>Familiarity with Configuration Management tools (e.g., CMPro).</li><li>Experience with Agile workflows, such as Scrum or Kanban.</li><li>Experience in applying analytical skills to support process improvement, studies, and analysis project.</li><li>Experience with current servers, switching, storage, networking, and virtualization technologies.</li><li>Conduct data analyses, interpret, and summarize results.</li><li>Conduct technical requirements definition / allocation.</li><li>Develop technical documentation, to include test plans and reports.</li><li>Must have strong analytical skills and attention to detail.</li><li>Ability to be organized, proactive, and detail-oriented in a fast-paced environment.</li><li>Ability to work effectively in both independent and team environments.</li><li>Excellent communication skills, both written and verbal.</li><li>Strong MS Office skills including Outlook, Excel, Word, PowerPoint, and Project.</li></ul>Why Join Us<ul><li>Employee Stock Ownership Program (ESOP)</li><li>100% Employer-Paid Medical, Dental, LTD &amp; Life Insurance</li><li>401(k) with Matching</li><li>Annual Tuition &amp; Certification Reimbursements</li><li>Certification Bonus Program</li><li>Excellent Team Culture and Mission-Focused Work</li></ul>Apply today and help us deliver trusted solutions to the U.S. Navy!Pay: $115,000.00 - $130,000.00 per yearBenefits:<ul><li>401(k)</li><li>Dental insurance</li><li>Employee assistance program</li><li>Flexible spending account</li><li>Health insurance</li><li>Life insurance</li><li>Paid time off</li><li>Professional development assistance</li><li>Referral program</li><li>Tuition reimbursement</li><li>Vision insurance</li></ul>Application Question(s):<ul><li>Do you have an active Top Secret/SCI clearance that is required for this role?</li></ul>Education:<ul><li>Bachelor's (Required)</li></ul>Work Location: Hybrid remote in San Diego, CA 92110

Systems Engineer with Ansible Experience

iDirect

<div>Overview:
<div>
Senior Engineer II Software (Herndon, VA)</div><div>
STE iDirect, Inc. seeks a Senior Engineer II Software to analyze customer requirements and RFCs and come up with efficient software designs. Participate in determining the future direction of the satellite system and related products in the areas of software architecture, infrastructure performance, test and reliability. Document, design, develop, test, and integrate software functionality for various components within a satellite system and related environments. Take a collaborative design and validation approach in working with a multi-functional Scrum team of software, firmware, embedded, application, and test engineers. Troubleshoot and provide resolutions for technical issues encountered in the deployment of software solutions. Telecommuting permitted.</div> 
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Responsibilities:
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Job Requirements:</div><div>
Requires a Bachelor&rsquo;s degree in Computer Science, Electrical Engineering, Mathematics or related field and 7 years of programming and software engineering experience. Must have experience with: Designing and developing C++ software applications; Programming in Linux; Linux and Linux Kernel; C, C++, OOD/OOP; TCP/IP, and sockets programming; Networking protocols; Professional software engineering practices and best practices for the full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations; Software Concepts including Embedded Systems, High speed low latency gateway design, Design Pattern, and RF modulation / demodulation; Microcontrollers such as ARM and x86; Communication Protocols like I2C, SPI, RS-232, and UART; Operating system including RTOS and Embedded Linux; Development Tools such as valgrind, gdb, tcpdump, and wireshark; Programming language including C, C++ 11, Make, Shell/Bash Scripting, Git, and Python; and Vector Signal Generator, Spectrum Analyzer, and Satellite Simulator.</div><div></div><div> 
THIS POSITION IS ELIGIBLE FOR EMPLOYEE REFERRAL PROGRAM.</div></div><div></div>

Senior Engineer II Software (Herndon, VA)

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Senior Engineer II Software (Herndon, VA)