Company Introduction- iServeU is a modern banking infrastructure provider in APAC region, empowering financial enterprises with embedded fintech solutions for their customers. iServeU is one of the few certified partners with National Payment Corporation of India (NPCI), VISA for various products. iServeU also provides a cloud-native, micro services-enabled, distributed platform with over 5000 possible product configurations with a low code/no code interface to banks, NBFCs, Fintech, and other regulated entities. • We process around 2500 transactions per second by levering distributed & auto scale technology like K8. • Our core platform combines of 1200+ micro services. • Our customer list includes Fintech start-ups, top tier private banks to PSU bank. We operate in five countries and help customers constantly change the way financial institutions operate and innovate. • Our solutions currently empowers over 20 banks and 250+ enterprises across India and abroad. • Our platform seamlessly manages the entire transaction lifecycle, including withdrawals, deposits, transfers, payments, and lending through various channels like digital, branch, agents. Our team of 500+ employees, with over 80% in technology roles is spread across offices in Bhubaneswar, Bangalore and Delhi. We have raised $8 million in funding to support our growth and innovation. For more details visit: www.iserveu.in Key Responsibilities – Deploy and manage standalone and clustered database systems — CockroachDB, Apache Cassandra, Redis Sentinel, and MongoDB — on GCP virtual machines, with clusters typically running as multi-node deployments Configure GCP firewall rules and GKE networking (pod IP ranges, NAT IP whitelisting) to enable secure connectivity between Kubernetes-hosted client applications and database VMs Implement and maintain RBAC-based authentication and authorization for database users, applying the principle of least privilege at every layer Enable and maintain TLS/SSL connections for database traffic, including managing a self-signed certificate PKI using OpenSSL Perform regular OS-level maintenance on database VMs, including patching and minor/major version upgrades, to reduce attack surface Plan and execute database-level major version upgrades and keep updated Write and run SQL queries to support RBAC administration and to extract data for the product team Troubleshoot database issues through log analysis and drive incidents to resolution Join team calls to respond to and resolve critical database incidents as they arise Automate operational and maintenance tasks using Bash scripting Maintain clear, current technical documentation in Markdown Collaborate with engineering, product, and other cross-functional teams as needed Requirements Required Qualifications – · 3-5+ years of experience as a Database Administrator or in a similar infrastructure engineering role · Hands-on experience deploying and administering distributed/NoSQL and NewSQL databases such as Cassandra, MongoDB, CockroachDB, and Redis (Sentinel) · Strong SQL skills, comfortable writing queries for administration and data retrieval · Practical experience with GCP — Compute Engine, VPC/firewall configuration, and GKE networking · Solid Linux system administration skills, including OS patching and major-version upgrades · Experience with Bash scripting for automation · Working knowledge of RBAC and least-privilege security principles · Experience enabling TLS/SSL and managing a certificate PKI (self-signed certs, OpenSSL) · Ability to write clear technical documentation (Markdown) · Willingness to join ad hoc incident calls to help resolve critical issues Preferred Qualifications - · Familiarity with Kubernetes networking concepts beyond basic whitelisting · Experience with infrastructure-as-code or configuration management tools · Relevant cloud or database certifications