Senior DevOps Engineer

Xelix

. Design, build, and operate cloud infrastructure on AWS .

Posted 10/8/2026full-timeLondon • United KingdomSenior💰 £65,000 - £90,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive expertise in AWS cloud infrastructure design and management, with a strong focus on container orchestration using ECS and EKS. Proficient in Terraform for Infrastructure-as-Code, Python for automation, and implementing DevSecOps practices to ensure secure and efficient operations.

Highest-signal resume keywords

AWS Cloud Infrastructure ManagementTerraform Infrastructure-as-CodePython Automation and ToolingCI/CD Pipeline Development with GitHub ActionsDatabase Operations and Performance Tuning

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

AWSECSEKSTerraformPythonRDSAuroraCI/CDGitHub ActionsDatabase Performance Tuning

Soft Skills

Excellent CommunicationCross-Functional CollaborationMentoring

Tools & Technologies

GitHub ActionsTerraformAWS RDSAWS Aurora

Industry Keywords

DevOpsSREInfrastructure EngineeringMachine Learning WorkloadsDevSecOps

Tech Stack

Tools & technologies

AWSCloudLinuxPostgresPythonTerraform

About the role

Key responsibilities & impact

Design, build, and operate cloud infrastructure on AWS
Focus on container orchestration using ECS and EKS
Own the Terraform Infrastructure-as-Code estate
Build and maintain GitHub Actions CI/CD pipelines
Operate and tune production RDS/Aurora databases, including performance, backups, migrations, partitioning, and scaling
Support and productionise machine learning workloads
Ensure ML infrastructure is reliable, observable, and cost-effective
Write Python for automation, tooling, and infrastructure glue code
Champion DevSecOps practices, including security, secrets management, least-privilege access, and vulnerability remediation
Build and improve monitoring, alerting, and incident response
Mentor engineers and contribute to architecture decisions and technical standards
Participate in the on-call rotation and own production incidents

Requirements

What you’ll need

10+ years of experience in a DevOps, SRE, platform, or infrastructure engineering role
Production ownership of business-critical systems ideally
Strong proficiency in Python
Deep, hands-on experience with AWS, including ECS and EKS
Expert-level Terraform skill; must-have
Solid database operations experience, ideally PostgreSQL in AWS RDS/Aurora
Experience with database performance tuning, migrations, backups, and scaling large or high-throughput databases
Practical experience with CI/CD pipelines, specifically GitHub Actions
Experience embedding security practices, secrets management, and compliance controls into infrastructure and pipelines
Strong troubleshooting skills across Linux systems, networking, and distributed infrastructure
Excellent communication skills and ability to work cross-functionally with engineering, data, and security stakeholders
Must be based in or commutable to London
Available to work from the office several days per week

Benefits

Comp & perks

27 days of annual leave (including 3 days Christmas closing), with the option to roll over 3 days
Hybrid working from the dog-friendly Hoxton office
On-site gym
Comprehensive private medical & dental cover with Vitality
Enhanced parental leave pay
Learning & development culture
£1,000 personal annual budget
Carbon-neutral company and ambitious carbon reduction goals
Team socials & activities
Annual team retreat