Senior DevOps Engineer

Who are OnBuy?

OnBuy are an online marketplace who are on a mission of being the best choice for every customer, everywhere.

We have recently been named one of the UK's fastest-growing tech companies in Deloitte's Technology Fast 50 for the third year in a row (as well as 'Fastest-Growing Tech Business in the South West').

All achievements we are very proud of, but we don't let that go to our head. We are all laser focused on our mission and understand the huge joint effort ahead of us needed to succeed.

Working at OnBuy:

We are a team of driven and motivated people who thrive when working at pace. To succeed at OnBuy you need to take charge and fully own your responsibilities, rolling your sleeves up when needed to 'get it done'. Working at OnBuy you are surrounded by so much opportunity, but you must possess the ability to stay focused and prioritise ruthlessly. Most importantly, you will thrive in an ever-changing environment as we are constantly evolving.

At OnBuy, you're not just a number or another cog in a machine. We are creating something really special, and you have the opportunity to affect meaningful change and have your voice heard.

We are a close team, who have the opportunity to learn and grow as OnBuy evolves. We work in a flexible way, meaning we can prioritise our health and relationships, but when we are working, we graft.

Job overview:

As a Senior DevOps Engineer, you will lead the charge in architecting, implementing, and optimising our software delivery pipelines, significantly enhancing the reliability, performance, and scalability of our systems. You will spearhead continuous improvement initiatives across our entire software development lifecycle, leveraging your extensive experience to drive innovation and efficiency. Your role will involve strategic collaboration with cross-functional teams, including developers, system administrators, and QA, to revolutionise our development processes and ensure the seamless delivery of high-quality software at scale. 

You will take a leadership role in the analysis, deployment, and maintenance of mission-critical systems for both corporate and production environments. Working closely with the Head of Technology, IT, and Development teams, you'll be instrumental in redefining and streamlining our full development lifecycle, setting new standards for operational excellence. 

This is an exceptional opportunity to work in a dynamic, cutting-edge environment where you'll have the autonomy to implement state-of-the-art tools and technologies, spearhead large-scale automation initiatives, and drive transformative efficiencies across the organisation. 

Key Responsibilities: 

• Architect and implement advanced Infrastructure as Code solutions, leveraging and expanding beyond tools such as Terraform and Ansible, to create robust, scalable, and self-healing infrastructure 

• Lead the design and implementation of best-in-class solutions, both for new initiatives and existing systems, ensuring adherence to industry best practices and driving innovation 

• Architect, maintain, and continuously improve our microservices architecture running on Kubernetes in GCP, focusing on scalability, resilience, and observability 

• Drive cost optimisation initiatives across our infrastructure, implementing sophisticated monitoring and analysis tools to identify and execute on efficiency opportunities 

• Design and implement advanced monitoring and alerting systems to ensure maximum uptime, security, and integrity of critical systems, including leading the out-of-hours support strategy 

• Collaborate with engineering teams to translate complex business requirements into scalable infrastructure solutions, providing technical leadership and mentorship 

• Champion DevOps best practices and cultural transformation across the organisation, fostering a culture of continuous improvement and knowledge sharing 

• Lead by example in an Agile environment, driving the adoption of DevOps methodologies and tools across teams 

• Conduct regular architecture reviews and lead initiatives to adopt emerging technologies that can benefit the organisation
• This role requires out-of-hours support (via a rota) to address urgent DevOps issues, ensuring the reliability and availability of critical systems. Payment for this support is made via the companies ‘out of hours working’ policy’ 

Requirements

Essential 

• Proven experience as a Senior DevOps Engineer or in a similar role 

• Extensive knowledge of Google Cloud Platform (GCP) products, services, implementation, and methodology  

• A high level of Linux knowledge and experience, particularly in Rocky Linux. Knowledge of configuration management with automation using Ansible 

• A strong knowledge of Kubernetes cluster, building containers, deploying via CI/CD pipelines using Helm charts and GitOps best practices using tools such as ArgoCD and ArgoRollouts 

• Strong knowledge of Nginx, PHP, MySQL  

• Knowledge of NoSQL solutions, RabbitMQ, SOLR, Couchbase 

• Good understanding of Networking concepts and solutions  

• Ability to work with, devise, and implement CI/CD pipelines and practices.  

• A strong determination and work ethic to find the best solution to any problem.  

• Excellent problem-solving skills and the ability to work in a fast-paced, collaborative environment.  

• Strong communication and interpersonal skills, with the ability to effectively collaborate with cross-functional teams.  

• A solid understanding of networking concepts, technologies, and protocols (TCP/IP, IPSec, HTTPS, DNS)  

• Information Security Risk assessment and analysis of Google Cloud native services and related services  

• Analysing potential attack vectors and understanding the impact of security threats on the system.  

• Awareness of relevant industry regulations (e.g., GDPR, HIPAA) and security standards (e.g., ISO 27001, NIST) helps ensure that the systems and processes align with legal and regulatory obligations.  

Benefits

The salary range on offer for this role is £65,000 - £80,000 per annum, depending on experience.

In return for helping us to grow, we’ll offer you company equity, meaning you own a piece of this business we are all working so hard to build.