Qualifications

The ideal candidate will possess a combination of advanced technical skills, hands-on experience, and a proactive mindset. Essential qualifications include:

• Expert-level proficiency with observability and monitoring tools such as Dynatrace, Grafana, or equivalent platforms.
• Strong programming capabilities in Python, PowerShell, or similar languages, with experience developing automation scripts and internal tools.
• Proven experience supporting high-traffic web applications, with a solid understanding of DNS, SSL, CDN caching strategies, and web performance optimization.
• High-level SQL expertise for data investigation and performance tuning.
• Familiarity with cloud services, microservices architecture, and containerization technologies like Docker and Kubernetes.
• Experience with Incident and Problem Management frameworks, particularly within enterprise environments using tools such as ServiceNow.
• Excellent communication skills with the ability to influence cross-functional teams and stakeholders effectively.
• A growth-oriented mindset with strong organizational skills and the ability to manage workload during peak retail periods.

Responsibilities

The Senior Systems Engineer will be responsible for a broad range of technical and strategic activities, including:

• Driving observability and reliability initiatives by defining and monitoring Service Level Objectives (SLOs) and Error Budgets for critical customer journeys such as Checkout and Search, utilizing tools like Dynatrace and Grafana to develop dashboards and real-time health alerts.
• Optimizing platform performance by identifying and resolving latency issues within microservice architectures through distributed tracing and application profiling.
• Developing automation scripts in Python or PowerShell to eliminate manual tasks, improve efficiency, and create self-healing workflows that trigger automated remediation processes.
• Leading technical incident response efforts, orchestrating cross-team diagnostics, and conducting blameless Post-Incident Reviews to implement long-term solutions.
• Collaborating with development and security teams to review production change proposals, embed telemetry during feature design, and mitigate security threats at the edge layer.
• Applying performance testing methodologies, including load, stress, and endurance testing, to ensure system resilience and meet defined performance benchmarks.
• Mentoring support engineers and analysts, sharing expertise, and fostering a culture of continuous learning and automation within the team.

Benefits

Next Ltd offers a competitive compensation package starting from £48,618, along with a comprehensive range of benefits designed to support your professional and personal growth. Employees enjoy a collaborative and inclusive working environment, opportunities for ongoing training and development, and the chance to work on innovative projects that impact millions of customers worldwide. The company promotes work-life balance through flexible working arrangements and provides access to health and wellness programs. Additionally, Next Ltd values diversity and inclusion, ensuring all team members are respected and empowered to contribute their best. Joining Next means becoming part of a forward-thinking organization committed to excellence, innovation, and employee well-being.

Equal Opportunity

Next Ltd is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. We do not discriminate based on race, religion, gender, sexual orientation, age, disability, or any other protected characteristic. We believe that a diverse workforce fosters innovation, enhances our culture, and better serves our customers. All qualified applicants will receive consideration for employment without regard to any protected status, and we are dedicated to providing equal opportunities for growth and development within our organization.