Service Delivery Engineer, Site Reliability

Job Description
Service Delivery Engineer
Team:
The SRE - System Delivery team at PhonePe is a cross-functional, centralized, and horizontal team. We collaborate with other SRE teams to build various infrastructure services and carry out routine production management activities, including infrastructure scaling, database maintenance, and operating system vulnerability rollouts etc.
Job Overview:
As an Service Delivery Engineer, you will be part of a team responsible for building, managing, and scaling the production systems of PhonePe to ensure uninterrupted services to users across the country. You will primarily work on well-defined tasks under supervision and by following predefined SOPs.
Responsibilities and Duties:
Build & manage various distributed systems such as Galera, Nginx, Aerospike, ElasticSearch and RMQ.
Deploy operating system vulnerability fixes to production systems.
Perform routine database maintenance activities.
Build and roll out proxy configurations to production systems.
Understand the criticality of production infrastructure.
Be willing to work 24/7 shifts and provide on-call support across the SRE Organisation.
Core Technical Skills Required:
Minimum Qualifications
Linux CLI Tools for System Administration - Proficiency in using command-line tools for managing Linux systems
Disk & LVM Management - Hands-on experience with disk management and Logical Volume Manager (LVM)
System Services - Understanding of managing and configuring system services
Package Management - Understanding of package management tools and processes
File Permissions - Understanding of Linux file permission systems
Crontab & Scheduling - Understanding of cron jobs for task scheduling
DNS Concepts - Understanding of DNS and its configuration
Using Salt/Ansible for IaC - Understanding of Infrastructure as Code (IaC) using Salt or Ansible
Database Concepts & Administration - Understanding of Shards, Partitions and Truncations
Bash / Python Scripting - Proficiency in writing and debugging Bash / Python Scripts
Knowledge of the following will be a plus
MariaDB or similar Distributed Database Systems
Docker or similar Containerization technology
Nginx or similar Proxy technology
GIT
Basic Networking Concepts
Linux-based Firewall
Basic understanding of HTTP & TLS Security
Ability to write Python based scripts for various automations
Softskills:
Good Interpersonal Communication Skills
Ability to understand & follow SOPs
Work Location: Bangalore
Note: This role requires the candidate to be available for on-call shifts on a rotational basis, covering 24 hours a day, 7 days a week.
Qualifications
Qualifications:
Minimum of 1-3 years of hands-on experience in Linux / Unix System Administration.

Work arrangement
No