Site Reliability Engineer

Jobtailor; Greater London; Hybrid; GBP 90,000 - 130,000; Full time

Job summary

Jobtailor is seeking a senior Site Reliability Engineer to tackle reliability, scalability, and efficiency challenges across SRE and development teams. You will build and run large-scale, distributed fault-tolerant systems that power the Genesis platform, optimize existing infrastructure, and cut toil through automation to improve uptime.

The role demands strong Python/Go skills, deep distributed systems design, and leadership across teams.

Qualifications

• Proven ability designing and troubleshooting distributed systems.
• Experience leading complex, large-scale technical projects.
• Strong cloud expertise across platforms and services.

Responsibilities

• Take on ambiguous reliability, scalability, and efficiency challenges and drive solutions across SRE and development teams.
• Build and run large-scale, massively distributed, fault-tolerant systems supporting the Genesis platform.
• Optimize existing systems and build infrastructure.
• Eliminate toil through automation to improve uptime and rate of change.
• Cultivate a culture of reliability throughout the organization.
• Guide technical decisions balancing system health with product priorities.
• Ensure long-term health, maintainability, and reliability of services.
• Perform capacity planning and performance analysis.
• Proactively prevent incidents.
• Work across teams to build robust, reusable solutions.

Skills

Python

Go

Distributed Systems

Kubernetes

Cloud Functions

NALSD

Technical Leadership

Cross-Team Collaboration

Algorithms & Complexity

Mentoring/Leadership

Tools

Kubernetes

Cloud Functions

Job description

Take on ambiguous reliability, scalability, and efficiency challenges and drive solutions across SRE and development teams
Build and run large-scale, massively distributed, fault-tolerant systems supporting the Genesis platform
Optimize existing systems and build infrastructure
Eliminate toil through automation to improve uptime and rate of change
Cultivate a culture of reliability throughout the organization
Guide technical decisions balancing system health with product priorities
Ensure long-term health, maintainability, and reliability of services
Perform capacity planning and performance analysis
Proactively prevent incidents
Work across teams to build robust, reusable solutions

Requirements

• Strong software engineering skills in Python, Go, or similar
• Extensive experience designing, analyzing, and troubleshooting distributed systems
• Deep expertise with cloud computing platforms, including Kubernetes and Cloud Functions
• Expertise in Non-Abstract Large Systems Design (NALSD)
• Experience leading complex, large-scale technical projects
• Experience providing technical leadership across teams
• Ability to apply coding, algorithms, and complexity analysis to solve ambiguous problems at scale with minimal disruption
• Collaborative and intellectually curious mindset
• Comfortable working across a wide variety of backgrounds and bringing cross-team perspective
• Personal website or GitHub, LinkedIn, and resume fields are available in the application form; the website, LinkedIn, and resume are not required

Core Competencies

Demonstrates strong software engineering skills in Python and Go, with extensive experience in designing and troubleshooting distributed systems. Proven ability to lead complex technical projects and optimize large-scale, fault-tolerant systems while fostering a culture of reliability and collaboration.

Highest-signal resume keywords

• Python Programming
• Go Programming
• Distributed Systems Design
• Kubernetes Expertise
• Technical Leadership

Hard Skills

• Software Engineering
• System Optimization
• Capacity Planning
• Performance Analysis
• Automation
• Algorithms
• Complexity Analysis
• Fault-Tolerant Systems
• Non-Abstract Large Systems Design
• Incident Prevention

Soft Skills

• Collaborative Mindset
• Intellectual Curiosity

Industry Keywords

• Reliability
• Scalability
• Efficiency
• Cross-Team Collaboration

Tools & Technologies

• Cloud Computing Platforms
• Cloud Functions