Linux Platform Engineer (3rd Line)

<p>We are Kocho</p>

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<p>Kocho is the original Microsoft identity‑centric security partner, delivering transformational services for UK organisations. We secure every identity first - then use that foundation to strengthen security, modernise cloud and apps, and keep everything running through leading managed services, and managed security operations.</p>

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<p>You’ll be joining a team that’s trusted by organisations to deliver at scale. As an eight‑time Microsoft Partner of the Year winner and one Microsoft’s most decorated UK partners.</p>

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<p>Our work speaks for itself:</p>

<ul>

<li>We’ve helped BT Group build multi‑brand customer authentication at scale (including migration of 25 million accounts).</li>

<li>We supported Dojo’s cloud‑first identity modernisation (achieving 65% reduction in first‑line support tickets and £80k+ annual savings).</li>

<li>And we enabled Hallo Healthcare’s secure cloud independence (migrating 17,000 identities and 180+ applications securely to zero trust architecture with Entra).</li>

</ul>

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<p>Our head office is in the heart of London, with additional offices in Cardiff and Cape Town, providing a comfortable working environment with flexible collaboration spaces. And we’re guided by our core values: Do What’s Right, Think Greater, and Better Together.</p>

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<p>Kocho is an equal opportunities employer. We make recruitment decisions based on qualifications, skill set and experiences We consider all suitable candidates regardless of their age, sex, gender reassignment, race, &nbsp;pregnancy and maternity, religion or belief, marital status, disability or sexual orientation. This is mindset aligns with our company values as we understand that we are Better Together.</p>

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<p>Key Responsibilities<br><br></p>

<p>As a Senior Linux Infrastructure Engineer, you will be a critical part of a dedicated team providing 3rd line support for a large UK-based client. You will be responsible for the advanced management, maintenance, and troubleshooting of Linux-based platforms and infrastructure.</p>

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<p>Your main responsibilities will include:</p>

<ul>

<li>Providing expert, 3rd line technical support and advanced troubleshooting for complex incidents and problems in a Linux environment.</li>

<li>Collaborating with the Service Integrator, 3rd parties, and other specialists to ensure the stability, availability, performance, and security of services through a best-practice approach.</li>

<li>Leading the planning, documentation, and execution of change and release activities, including patch and upgrade management.</li>

<li>Maintaining and enhancing configuration data, ensuring its accuracy and currency.</li>

<li>Acting as an escalation point for complex incidents and issues, driving them to resolution and communicating effectively with all stakeholders.</li>

<li>Proactively identifying, managing, and mitigating technical risks and issues.</li>

<li>Contributing to the development and maintenance of high-quality technical documentation.</li>

<li>Adhering to and championing ITIL-based policies and practices within our service management framework.<br></li>

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<p>Person Specification</p>

<p>This role requires a highly skilled and experienced engineer who thrives on solving complex technical challenges.</p>

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<p>Key Performance Indicators:</p>

<ul>

<li>Successfully resolving high-priority and complex incidents within contracted SLAs.</li>

<li>Receiving positive feedback on the quality and effectiveness of your technical support from clients and internal teams.</li>

<li>Ensuring technical documentation is comprehensive, accurate, and kept up-to-date.</li>

<li>Continuously expanding your technical knowledge and skill set to stay ahead of industry trends.<br><br></li>

</ul>

<p>Skills and Experience:</p>

<ul>

<li>A degree in Computer Science or a related field is preferred.</li>

<li>5 years experience as a&nbsp;3rd Line Linux Engineer&nbsp;with proven, advanced troubleshooting skills.</li>

<li>Expert-level knowledge of Linux server environments, specifically&nbsp;Ubuntu&nbsp;and&nbsp;Red Hat.</li>

<li>Proficiency in scripting and automation using&nbsp;PowerShell&nbsp;and Bash.</li>

<li>Understanding of IT network principles&nbsp;and troubleshooting network-related issues.</li>

<li>Experience with&nbsp;Azure&nbsp;infrastructure and services</li>

<li>Strong experience with configuration management and monitoring tools, such as N-able.</li>

<li>Excellent analytical and problem-solving skills, with the ability to take full ownership of incidents from initial report to final resolution.</li>

<li>A positive, enthusiastic, and supportive attitude, with strong collaboration skills in a team environment.</li>

<li>Exceptional verbal and written communication skills, with the ability to articulate complex technical information clearly.</li>

</ul>

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<p>Preferred Qualifications:</p>

<ul>

<li>Relevant certifications in Linux administration (e.g., RHCSA, LPIC).</li>

<li>Microsoft Azure certifications (e.g., AZ-900).</li>

</ul>