MongoDB Site Reliability Engineer

Join Barclays as a MongoDB Site Reliability Engineer role, where you'll be at the forefront of designing and maintaining robust, high-performance systems that power critical financial services. In this dynamic and fast-paced environment, your role will be essential to ensuring our infrastructure remains resilient, secure, and scalable. You’ll work on automating operations, enhancing system observability, and driving continuous improvements that reduce downtime and improve efficiency. If you’re motivated by solving, multi-layered problems and building systems that perform reliably amid shifting priorities, we encourage you to apply. At Barclays, we don't just anticipate the future - we're creating it.

To be successful in this role, you should have below skills:

Core Technical Skills:

• 5+ years of MongoDB administration in production environments, preferably in financial services

• Deep expertise in MongoDB architecture: replica sets, sharding, backup/recovery strategies, and disaster recovery

• Performance tuning and optimization: query analysis, indexing strategies, and capacity planning

• Proficiency in MongoDB shell, JavaScript scripting, and aggregation pipelines

• Strong troubleshooting skills for production incidents and performance degradation

• Security best practices: authentication, encryption at rest/in transit, audit logging

Automation & Development:

• Scripting expertise in Python and/or Bash for automation and operational tasks

• CI/CD pipeline development and maintenance

• Version control with Git and collaborative development practices

• Database migration and upgrade strategies with zero/minimal downtime

SRE & Operations:

• Experience with observability platforms: Prometheus, Grafana, ELK/EFK stack, or similar

• Incident management, root cause analysis, and post-mortem documentation

• On-call rotation experience and production support

Soft Skills:

• Strong communication skills for cross-functional collaboration

• Proactive problem-solving and ownership mentality

• Documentation and knowledge-sharing practices

Some other highly valued skills may include below:

• Percona Server for MongoDB or MongoDB Enterprise experience

• API development with FastAPI, Flask, or similar frameworks

• Infrastructure as Code (IaC) using Terraform, Ansible, or Chef

• Container orchestration with Kubernetes and Docker

You may be assessed on the key critical skills relevant for success in role, such as risk and controls, change and transformation, business acumen strategic thinking and digital and technology, as well as job-specific technical skills.

This role is based in Pune and Chennai office.

Purpose of the role

To apply software engineering techniques, automation, and best practices in incident response, to ensure the reliability, availability, and scalability of the systems, platforms, and technology through them. 

Accountabilities

• Availability, performance, and scalability of systems and services through proactive monitoring, maintenance, and capacity planning.
• Resolution, analysis and response to system outages and disruptions, and implement measures to prevent similar incidents from recurring.
• Development of tools and scripts to automate operational processes, reducing manual workload, increasing efficiency, and improving system resilience.
• Monitoring and optimisation of system performance and resource usage, identify and address bottlenecks, and implement best practices for performance tuning.
• Collaboration with development teams to integrate best practices for reliability, scalability, and performance into the software development lifecycle, and work closely with other teams to ensure smooth and efficient operations.
• Stay informed of industry technology trends and innovations, and actively contribute to the organization's technology communities to foster a culture of technical excellence and growth.

Assistant Vice President Expectations

• To advise and influence decision making, contribute to policy development and take responsibility for operational effectiveness. Collaborate closely with other functions/ business divisions.
• Lead a team performing complex tasks, using well developed professional knowledge and skills to deliver on work that impacts the whole business function. Set objectives and coach employees in pursuit of those objectives, appraisal of performance relative to objectives and determination of reward outcomes
• If the position has leadership responsibilities, People Leaders are expected to demonstrate a clear set of leadership behaviours to create an environment for colleagues to thrive and deliver to a consistently excellent standard. The four LEAD behaviours are: L – Listen and be authentic, E – Energise and inspire, A – Align across the enterprise, D – Develop others.
• OR for an individual contributor, they will lead collaborative assignments and guide team members through structured assignments, identify the need for the inclusion of other areas of specialisation to complete assignments. They will identify new directions for assignments and/ or projects, identifying a combination of cross functional methodologies or practices to meet required outcomes.
• Consult on complex issues; providing advice to People Leaders to support the resolution of escalated issues.
• Identify ways to mitigate risk and developing new policies/procedures in support of the control and governance agenda.
• Take ownership for managing risk and strengthening controls in relation to the work done.
• Perform work that is closely related to that of other areas, which requires understanding of how areas coordinate and contribute to the achievement of the objectives of the organisation sub-function.
• Collaborate with other areas of work, for business aligned support areas to keep up to speed with business activity and the business strategy.
• Engage in complex analysis of data from multiple sources of information, internal and external sources such as procedures and practises (in other areas, teams, companies, etc).to solve problems creatively and effectively.
• Communicate complex information. 'Complex' information could include sensitive information or information that is difficult to communicate because of its content or its audience.
• Influence or convince stakeholders to achieve outcomes.

All colleagues will be expected to demonstrate the Barclays Values of Respect, Integrity, Service, Excellence and Stewardship – our moral compass, helping us do what we believe is right. They will also be expected to demonstrate the Barclays Mindset – to Empower, Challenge and Drive – the operating manual for how we behave.