Barclays

Barclays

Knutsford, North West

MongoDB Site Reliability

Full-Time£60,000 - 90,000 per yearvorgesternUnited Kingdom
IT

Job Description

Salary: £60,000 - 90,000 per year

Requirements:
  • We need experience in Site Reliability Engineering, DevOps, and MongoDB administration in financial services.
  • We need experience using MongoDB features such as replica sets, sharding, backups, performance tuning, and shell scripting.
  • We need experience writing scripts in Python or Bash to automate tasks and reduce manual work.
  • Experience with Percona, ClusterControl, CI/CD tools, and automation platforms such as Ansible or Chef is highly valued.
  • Experience monitoring systems with Prometheus, Grafana, and the ELK stack, and running containers with Kubernetes is highly valued.
  • Experience building APIs with FastAPI and supporting scalable, high-performance systems is highly valued.
Responsibilities:
  • We monitor and maintain our critical technology infrastructure and resolve more complex technical issues while minimising disruption to operations.
  • We provide technical support to resolve complex issues for a specific client or group of clients.
  • We develop the support model and service offering to improve service to our customers and stakeholders.
  • We carry out preventative maintenance on hardware and software and use monitoring tools and metrics to identify, prevent, and address potential issues.
  • We maintain a knowledge base with detailed documentation of resolved cases for future reference, self-service, and knowledge sharing.
  • We analyse system logs, error messages, and user reports to identify root causes and resolve hardware, software, and network issues.
  • We support automation, monitoring enhancements, capacity management, resiliency, business continuity, front-office-specific support, and stakeholder management.
  • We identify and remediate, or escalate through the appropriate process, potential service-impacting risks and issues.
  • We proactively assess support activities and implement automation where appropriate to maintain stability and drive efficiency.
  • We tune monitoring tools, thresholds, and alerting so issues are detected when they occur.
  • We advise and influence decision-making, contribute to policy development, and take responsibility for operational effectiveness.
  • We collaborate closely with other functions and business divisions.
  • We lead or support complex collaborative assignments, guide team members, and communicate complex information to stakeholders.
  • We consult on complex issues, help resolve escalated issues, and develop new policies and procedures to strengthen risk and controls.
Technologies:
  • Ansible
  • Bash
  • CI/CD
  • DevOps
  • ELK
  • FastAPI
  • Grafana
  • Hardware
  • Support
  • Kubernetes
  • MongoDB
  • Network
  • Prometheus
  • Python
  • Security

More:

We are seeking a MongoDB Site Reliability Engineer to join our team in Knutsford, Radbroke Hall on a full-time basis. In this fast-paced role, we design and maintain robust, high-performance systems that support critical financial services. You will help improve resilience, security, scalability, observability, and operational efficiency while working in an environment that values service, excellence, and stewardship, and encourages colleagues to empower, challenge, and drive continuous improvement.

last updated 35 week of 2026

Interested in this role?

Submit your application now

How to Apply

Ready to apply for this position? Here's what you need:

  • An updated resume highlighting relevant experience
  • A compelling cover letter (if required)
  • Portfolio or work samples (for relevant positions)

About Barclays

Barclays

Barclays

Knutsford

IT

Skills & Technologies

PythonGoScalaKubernetesCI/CDMongoDBAIDevOpsUI

Inferred from job description

Salary Insight

£75,000

This role

£55,000

UK median

This salary is 36% above the UK median for UK tech roles55,000/yr).

Based on 2024–2025 UK technology sector benchmarks

Explore More UK Opportunities

Thousands of tech jobs across the United Kingdom