Salary: £60,000 - 60,000 per year Requirements: We require at least 8 years of experience in NoSQL database administration. We require strong hands-on experience with Couchbase and Apache Cassandra. We require proven experience managing large, production-grade NoSQL clusters. We require solid understanding of high availability, replication, and disaster recovery concepts. We require experience working in Linux/Unix environments. We require familiarity with monitoring and logging tools such as iCinga, Nimsoft, Splunk, and ELK. We require experience in ITIL and SLA-driven production environments. We require strong troubleshooting, analytical, and communication skills. We require excellent communication and interpersonal skills, with the ability to build rapport and trust with clients. We require a strategic mindset with the ability to develop and execute innovative solutions. We require strong understanding of technology trends and market developments. We require the ability to work collaboratively with cross-functional teams. We require a degree-level education or equivalent. Responsibilities: We own and evolve our mission-critical database platforms in a high-availability, 24/7 production environment. We lead the design, build, and operations of large-scale database platforms including MongoDB Enterprise, Percona MongoDB, MongoDB Atlas, SQL Server, Cassandra, PostgreSQL, and MySQL. We ensure high availability, fault tolerance, backup, and disaster recovery across multi-region deployments with strict uptime SLAs. We drive capacity planning, performance optimisation, and lifecycle management for production databases. We own production support and incident management for database services, including high-severity incidents. We lead root cause analysis and implement permanent fixes to reduce recurrence and improve MTTR. We define and implement SRE practices such as SLIs, SLOs, error budgets, proactive monitoring, and alerting. We design and develop automation using Ansible, Python, Bash, and PowerShell to remove manual work in patching, deployment, DR testing, monitoring, and compliance validation. We integrate database operations into CI/CD pipelines and infrastructure-as-code practices. We apply software engineering principles to database operations to improve consistency, repeatability, and scalability. We identify and proactively mitigate operational and architectural risks related to database platforms. We define and enforce security, governance, and compliance controls aligned with enterprise and regulatory standards. We support audits and contribute to policy development and standard operating procedures. We work closely with application teams, product managers, architects, cloud teams, and infrastructure teams to align database solutions with business needs. We act as technical advisors to stakeholders, providing data-driven recommendations on platform strategy and optimisation. We mentor and coach DBA and SRE teams across locations to raise operational maturity. Technologies: Ansible Bash CI/CD Cloud Cassandra ELK Icinga Support ITIL Linux MongoDB MySQL NoSQL PostgreSQL PowerShell Python SQL Security Splunk Unix More: We are Zensar, a leading digital solutions and technology services company that partners with global organisations across industries on their digital transformation journey. Our Return on Digital strategy helps customers look beyond current investments and realise visible business benefits. We offer a workplace where people can realise their full potential, be recognised for their impact, and enjoy working with their colleagues. This Senior Database Engineer role sits at the intersection of database engineering, SRE, and automation, and plays a key part in ensuring reliability, scalability, and operational excellence for business-critical systems. last updated 19 week of 2026