Staff Site Reliability Engineer – United Kingdom

KnowBe4

. Help ensure platforms are reliable, secure, scalable, and efficient .

Posted 11/12/2026full-timeRemote • United KingdomLeadWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in designing and architecting scalable, reliable distributed systems, with a strong focus on AWS and CI/CD workflows. Possesses exceptional communication skills and the ability to lead projects while managing multiple priorities.

Highest-signal resume keywords

AWS ArchitectureCI/CD WorkflowsProficient Coding in Python, Ruby, and JavascriptAWS Cloud Certification(s)Complex Distributed Systems Debugging

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

AWS ArchitectureCI/CD WorkflowsProficient Coding in PythonProficient Coding in RubyProficient Coding in JavascriptDebugging Complex Distributed SystemsDesigning Distributed SystemsIdentifying Application DeficienciesCreating Tailored Technical SolutionsAgile Development

Soft Skills

Superb Communication SkillsSelf-ManagementTeam LeadershipDocumentation SkillsCollaboration Across Functional Boundaries

Tools & Technologies

AWSGitLabGCPAzure

Certifications & Qualifications

AWS Cloud Certification (Associate Level)AWS Cloud Certification (Professional Level)

Industry Keywords

Agile Development EnvironmentOpen-Source ContributionsTechnical Blog ExperiencePublic Company ExperienceSecure Coding Practices

Tech Stack

Tools & technologies

AWSAzureCloudDistributed SystemsGoogle Cloud PlatformJavaScriptPythonRuby

About the role

Key responsibilities & impact

Help ensure platforms are reliable, secure, scalable, and efficient
Work alongside engineers in a fast-paced, agile development environment
Share solutions to advance technologies running systems and improve safety and reliability
Make complex distributed services easy to understand
Identify and plan future prevention for production incidents
Design globally distributed systems and processes
Identify and correct deficiencies in applications and infrastructure
Define tailored solutions to complex technical problems and share them with teammates
Make significant contributions to technology, potentially resulting in patents, trade secrets, professional publications, and presentations
Translate KnowBe4's strategic goals into operational plans
Coordinate across functional boundaries
Act as team lead for larger sub-projects or entire small projects

Requirements

What you’ll need

BS/MS/Ph.D. or equivalent plus 8 years experience
Proficient coding in multiple or unfamiliar programming languages, such as Python, Ruby, and Javascript
Experience architecting intricate, high-scale patterns in AWS
Experience architecting repeatable workflows for continuous integration and continuous deployment (CI/CD); GitLab preferred
Superb communication and documentation skills
Ability to self-manage time across competing projects
Ability to quickly understand, debug, and explain complex distributed systems
AWS Cloud Certification(s) at Associate Level
Training in secure coding practices preferred
AWS Cloud Certification(s) at Professional Level preferred
GCP and/or Azure preferred
Experience working for a public company preferred
Open-source contributions or technical blog experience preferred

Benefits

Comp & perks

Company-wide bonuses based on monthly sales targets
Employee referral bonuses
Adoption assistance
Tuition reimbursement
Certification reimbursement
Certification completion bonuses
Modern, high-tech, and fun work environment