Jobs / Flo Health

Principal Infrastructure Engineer

Flo Health · London, ENG, United Kingdom
London, ENG, United Kingdom130,000-150,000 GBP/yearlyHybrid
Remuneration
Competitive salary, annual reviews, performance incentive scheme, paid leave, enhanced parental leave, learning support, a five-week paid sabbatical after five years, and health, pension and wellbeing perks
Location
London, ENG, United Kingdom
Visa sponsorship
Not specified

Job summary

The Principal Infrastructure Engineer owns the cloud and data infrastructure supporting a high-traffic digital health platform, enabling product teams to ship reliably while protecting sensitive user data. The role evolves Kubernetes on AWS EKS, establishes operating patterns for PostgreSQL, DynamoDB and Kafka, and builds self-service tooling with Terraform. It also leads resilience, disaster recovery, observability and infrastructure support for privacy and compliance requirements.

Benefits

Annual salary reviewsPerformance incentive schemePaid holiday and sick leaveFemale health leaveEnhanced parental leave and payProfessional growth and learning supportFive-week paid sabbatical after five yearsHealth, pension and wellbeing perksPremium access for friends and family

Qualifications

  • Many years of infrastructure, platform, SRE or DevOps experience running high-traffic distributed systems
  • Experience operating at Principal or Staff scope and setting direction across teams
  • Production Kubernetes experience, ideally with EKS
  • Understanding of PostgreSQL, DynamoDB and Kafka behavior under load and during failures
  • Strong AWS knowledge and fluency with Terraform
  • Go or Python coding experience is a plus
  • Document-first communication and ability to work with distributed product teams
  • Awareness of how AI automation affects development and software delivery

Responsibilities

  • Design and operate Kubernetes and data infrastructure for a platform serving more than 80 million monthly users
  • Evolve EKS clusters, including lifecycle management, upgrades, networking, autoscaling and workload isolation
  • Set provisioning, access, backup, failover and capacity patterns for PostgreSQL, DynamoDB and Kafka
  • Build self-service tooling and Terraform modules for product teams
  • Lead business continuity planning, disaster recovery testing and sustainable on-call practices
  • Support infrastructure for privacy features and maintain SOC 2, ISO 27001 and ISO 27701 certification requirements
  • Improve observability through metrics, logs and traces

Skills

AWSDynamoDBEKSGoHelmKafkaKubernetesMakeAmazon MSKPostgreSQLPythonSentryTerraform

Certifications

AWS Certified Solutions Architect ProfessionalCertified Kubernetes Administrator (CKA)Certified Kubernetes Security Specialist (CKS)

Work schedule

Three days per week in the office

Industry

Digital health

Relocation

No