DevOps Engineer

Job Summary:

Seeking a seasoned SQL + ETL Developer with 4+ years of experience in managing large-scale datasets and cloud-based data pipelines. The ideal candidate is hands-on with MySQL, PySpark, AWS Glue, and ETL workflows, with proven expertise in AWS migration and performance optimization.

Key Responsibilities:

• Develop and optimize complex SQL queries and stored procedures to handle large datasets (100+ million records).
• Build and maintain scalable ETL pipelines using AWS Glue and PySpark.
• Work on data migration tasks in AWS environments.
• Monitor and improve database performance; automate key performance indicators and reports.
• Collaborate with cross-functional teams to support data integration and delivery requirements.
• Write shell scripts for automation and manage ETL jobs efficiently.

Required Skills:

• Strong experience with MySQL, complex SQL queries, and stored procedures.
• Hands-on experience with AWS Glue, PySpark, and ETL processes.
• Good understanding of AWS ecosystem and migration strategies.
• Proficiency in shell scripting.
• Strong communication and collaboration skills.

Nice to Have:

• Working knowledge of Python.
• Experience with AWS RDS.

Job Description

Role Overview:

We're looking for a passionate DevOps engineer with a minimum of 10 years’ experience across all levels, who will work closely with the development teams in Agile setup to continuously improve, support, secure, and operate our production and test environments. We believe in automating our infrastructure as much as possible and pursuing challenging problems in a sustainable and repeatable way.

Our Toolchain

• Ansible, Docker, Kubernetes, Terraform, Gitlab, Jenkins, Fastlane, New Relic, Datadog, SonarQube, IaC
• Apache, Nginx, Linux, Ubuntu, Microservices, Python, Shell, Bash, Helm
• Selenium, Jmeter, Slack, Jira, SAST, OSSEC, OWASP
• Node.JS, PHP, Golang, MySQL, MongoDB, Firebase, Redis, Elastic search,
• VPC, API Gateway, Cognito, DocumentDB, ECS, Lambda, Route53, ACM, S3, EC2, IAM

You'll need:

• Production experience with distributed/scalable systems consisting of multiple microservices and/or high-traffic web applications
• Experience with configuration management systems such as Ansible, Chef, Puppet
• Extensive knowledge of the Linux operating system
• Troubleshooting skills that range from diagnosis to solution for Dev team issues
• Knowledge of how the web works and HTTP fundamentals
• Knowledge of IP networking, DNS, load balancing, and firewalling

Bonus points, if you have:

• Experience in agile development and delivery process.
• Good knowledge of at least one programming language. TecStub uses e.g. Nodes, PHP
• Experience in containerizing applications and deployment to production (Docker, Kubernetes)
• Experience in building modern Terraform infrastructures in cloud environments (AWS, GCP, etc...)
• Experience in analysis of application and database performance monitoring tools (Newrelic, datalog, cluster control, etc..)
• Experience with SQL databases like MySQL, NoSQL, Realtime database stores like Redis, or anything in between.
• Experience being part of the engineering team that built the platform.
• Knowledge of good security practices, including network security, system hardening, secure software, and compliance.
• Familiarity with automated build pipeline / continuous integration using Gitlab and Jenkins and Kubernetes/Docker with this setup, we're deploying to production 2 times per day!

Interview Process:

The entire interview process would take approximately 10 Days.

1. HR Screening Call (15 minutes)
2. Technical Interview Round Level 1 (30 Minutes)
3. Technical Interview Round Level 2 (60 minutes)
4. Final Interview Round (60 minutes)
5. Offer

About Tecstub:

Tecstub is a renowned global provider of comprehensive digital commerce solutions for some of the world's largest enterprises. With offices in North America and Asia-Pacific, our team offers end-to-end solutions such as strategic Solution Consulting, eCommerce website and application development, and support & maintenance services that are tailored to meet our clients' unique business goals. We are dedicated to delivering excellence by working as an extended partner, providing next-generation solutions that are sustainable, scalable, and future-proof. Our passionate and driven team of professionals has over a decade of experience in the industry and is committed to helping our clients stay ahead of the competition.

We value our employees and strive to create a positive work environment that promotes work-life balance and personal growth. As part of our commitment to our team, we offer a range of benefits to ensure our employees are supported and motivated.

• A 5-day work week that promotes work-life balance and allows our employees to take care of personal responsibilities while excelling in their professional roles.
• 30 annual paid leaves that can be utilized for various personal reasons, such as regional holidays, sick leaves, or any other personal needs. We believe that taking time off is essential for overall well-being and productivity.
• Additional special leaves for birthdays, maternity and paternity events to ensure that our employees can prioritize their personal milestones without any added stress.
• Health insurance coverage of 3 lakhs sum insured for our employees, spouse, and children, to provide peace of mind and security for their health needs.
• Vouchers and gifts for important life events such as birthdays and anniversaries, to celebrate our employees' milestones and show appreciation for their contributions to the company.
• A dedicated learning and growth budget for courses and certifications, to support our employees' career aspirations and encourage professional development.
• Company outings to celebrate our successes together and promote a sense of camaraderie among our team members. We believe that celebrating achievements is an important part of building a positive work culture.

Skills

AWS, Terraform, KUBERNETES, GITHUB, APACHE, BASH, DOCKER, ANSIBLE, GIT, Microservices, UBUNTU, GITLAB, CI/CD, APACHE SERVER, NGINX, NODEJS

Title: Cloud DevOps Engineer 

Role: Individual Contributor (4-8 yrs)  

Requirements: 

• Energetic self-starter, a fast learner, with a desire to work in a startup environment  
• Experience working with Public Clouds like AWS 

• Operating and Monitoring cloud infrastructure on AWS. 
• Primary focus on building, implementing and managing operational support 
• Design, Develop and Troubleshoot Automation scripts (Configuration/Infrastructure as code or others) for Managing Infrastructure. 
• Expert at one of the scripting languages – Python, shell, etc  
• Experience with Nginx/HAProxy, ELK Stack, Ansible, Terraform, Prometheus-Grafana stack, etc 

• Handling load monitoring, capacity planning, and services monitoring. 
• Proven experience With CICD Pipelines and Handling Database Upgrade Related Issues. 
• Good Understanding and experience in working with Containerized environments like Kubernetes and Datastores like Cassandra, Elasticsearch, MongoDB, etc

We are looking for a Senior Platform Engineer responsible for handling our GCP/AWS clouds. The candidate will be responsible for automating the deployment of cloud infrastructure and services to support application development and hosting (architecting, engineering, deploying, and operationally managing the underlying logical and physical cloud computing infrastructure).

Job Description:

● Collaborate with teams to build and deliver solutions implementing serverless, microservice-based, IaaS, PaaS, and containerized architectures in GCP/AWS environments.

●Responsible for deploying highly complex, distributed transaction processing systems.

● Work on continuous improvement of the products through innovation and learning. Someone with a knack for benchmarking and optimization

● Hiring, developing, and cultivating a high and reliable cloud support team ● Building and operating complex CI/CD pipelines at scale

● Work with GCP Services, Private Service Connect, Cloud Run, Cloud Functions, Pub/Sub, Cloud Storage, Networking

● Collaborate with Product Management and Product Engineering teams to drive excellence in Google Cloud products and features.

● Ensures efficient data storage and processing functions by company security policies and best practices in cloud security.

● Ensuring scaled database setup/monitoring with near zero downtime

• 3 - 6 years of software development, and operations experience deploying and maintaining multi-tiered infrastructure and applications at scale.
• Design cloud infrastructure that is secure, scalable, and highly available on AWS
• Experience managing any distributed NoSQL system (Kafka/Cassandra/etc.)
• Experience with Containers, Microservices, deployment and service orchestration using Kubernetes, EKS (preferred), AKS or GKE.
• Strong scripting language knowledge, such as Python, Shell
• Experience and a deep understanding of Kubernetes.
• Experience in Continuous Integration and Delivery.
• Work collaboratively with software engineers to define infrastructure and deployment requirements
• Provision, configure and maintain AWS cloud infrastructure
• Ensure configuration and compliance with configuration management tools
• Administer and troubleshoot Linux-based systems
• Troubleshoot problems across a wide array of services and functional areas
• Build and maintain operational tools for deployment, monitoring, and analysis of AWS infrastructure and systems
• Perform infrastructure cost analysis and optimization

• Provide consultation and review all outgoing critical customer communications.
• Apply DevOps thinking in bringing the development and IT Ops process, people, and tools together within the company in order to increase the speed, efficiency, and quality.
• Perform architecture and security reviews for different projects, work with leads to develop strategy and roadmap for the client requirements. Involve in designing of the overall architecture of the system with another leads/architect.
• Develop and grow engineers in DevOps technology to meet the incoming requirements from the business team.
• Work with senior technical team to bring in new technologies/tools being used within the company. Develop and promote best practices and emerging concepts for DevSecOps and secure CI/CD. Participate in Solution Strategy, innovation areas, and technology roadmap.

Key Skills:

• Deals positively with high levels of uncertainty, ambiguity, and shifting priorities.
• Ability to influence stakeholders as a trusted advisor across all levels, including teams outside of shared services.
• Ability to think outside of the box and be innovative by keeping abreast of new trends, identifying opportunities to bring in change for business benefit.
• Implementing CI (Continuous Integration) and CD (Continuous Deployment). Have Good exposure to CI & Build Management tools like Jenkins Azure DevOps GitHub Actions Maven Gradle and etc
• Deployment and provisioning tools (Chef/Ansible/Terraform/AWS CDK etc)
• Docker Orchestration tools like Kubernetes/Swarm etc
• Good hands-on knowledge of automation scripting Python Shell Ruby etc
• Version Control for Source Code Management (SCM) tool: GIT/Bitbucket and etc
• Expertise in Linux based systems like Unix Linux Ubuntu and also manage security systems Linux file system permission etc
• Container Orchestration tool: Kubernetes Swarm Meso Marathon Docker Writing Docker file Docker compose
• Expertise in managing Cloud resources and good exposure to Docker
• Public/Private/Hybrid cloud: AWS /Microsoft Azure/ Google Cloud Platform etc
• Extensive experience with cloud services elastic capacity administration and cloud deployment and migration.
• Good to have knowledge of tools like Splunk, New Relic, PagerDuty, VictorOps
• Familiarity with Network protocols and elements - TCP/IP HTTP(S) SSL DNS Firewall router load balancers proxy.
• Excellent in creating new and improve existing workflows within the agile software development lifecycle.
• Familiar with incident and change management processes.
• Ability to effectively priorities work with fast-changing requirements.
• Troubleshoot and debug infrastructure Network and operating system issues.
• Resolve complex issues in scenarios like resource consumptions server performance backup strategy Scaling.
• Investigate and perform Root Cause Analysis on users' reported issues and provide a workaround before implementing a final fix.
• Monitor servers and applications to ensure the smooth running of IT Architecture (Applications Services Schedulers Server Performance etc)

Design Skills:

• Interpret and implement the designs of others adhering to standards and guidelines
• Design solutions within their area of expertise using technologies that already exist within Tesco
• Understand the roadmaps for their area of Technology Design secure solutions
• Design solutions that can be consumed in a self-service manner by the engineering teams
• Understand the impact of technologies at an enterprise-scale innovation
• Demonstrate knowledge of the latest technology trends related to Infrastructure
• Understand how Industry trends impact their own area
• identify opportunities to automate work and deliver against them