customer support executive

Job Overview:

We are looking for a seasoned OpenStack Administrator with strong expertise in managing large-scale production environments. The ideal candidate should have hands-on experience with Linux, Kubernetes, and OpenShift, and be capable of performing routine maintenance, upgrades, and troubleshooting in complex cloud infrastructures.

The candidate must also be comfortable working with Red Hat support, managing escalations, and communicating effectively with both internal teams and external clients.

Key Skills & Qualifications:

• Proven experience managing OpenStack infrastructure in production.
• Strong proficiency in Linux system administration (RHEL/CentOS preferred).
• Hands-on experience with Kubernetes and OpenShift.
• Experience with system monitoring, log management, and troubleshooting tools.
• Familiarity with RH support portal, managing cases, and following up on resolutions.
• Excellent problem-solving skills and ability to work under pressure.
• Strong client communication skills and ability to articulate technical issues clearly.
• Proven ability to work in and manage large-scale production environments.

Candidates with OpenStack certification will be preferred.

We are seeking experienced Mainframe Z/OS System Programmer/Admin to manage z/OS environments.

Job Title - Mainframe z/OS System Programmer

Experience - 4-8 Years

Location - Bangalore, Chennai, Pune [Hybrid/Remote]

Notice Period - Immediate Joiners Preferred

Job Overview

We seek an experienced Mainframe z/OS System Programmer to manage and support z/OS environments. The role includes system upgrades, performance monitoring, installations, troubleshooting, and expertise in ISV tools, JCL, scripting, and system utilities.

Key Responsibilities

1. Administer and support z/OS mainframe systems.
2. zOS install and upgrade, PTF patch apply
3. ISV tools installation and upgrade
4. Parmlib, Proclib 
5. Perform SMP/E & Non-SMP/E installation of ISV products and manage upgrades (z/OS V2.5/V3.1).
6. Configure and manage JES3/JES2, Sysplex, and related components.
7. Configure and monitor TSO/E, ISPF, and basic scripting in REXX/CLIST.
8. Plan and execute z/OS upgrade and maintenance roadmaps.
9. Monitor system performance using tools like SMF and z/OS Health Checker.
10. Support mainframe storage management (SMS/DFSMS) and backup/recovery processes.
11. Resolve incidents using appropriate tools and perform diagnostics as required.
12. Candidates with prior experience as a z/OS System Programmer, specializing exclusively in z/OS administration, are encouraged to apply.

Preferred Technical Skills

1.     Mainframe zOS Admin

2.     zOS install and upgrade, PTF patch apply

3.     ISV tools installation and upgrade

4.     Parmlib, Proclib 

Note

The candidate must have prior experience working as a z/OS System Programmer with hands-on expertise in managing complex mainframe environments. 

We are looking to fill the role of AWS devops engineer . To join our growing team, please review the list of responsibilities and qualifications.

Responsibilities:

• Engineer solutions using AWS services (Cloud Formation, EC2, Lambda, Route 53, ECS, EFS )
• Balance hardware, network, and software layers to arrive at a scalable and maintainable solution that meets requirements for uptime, performance, and functionality
• Monitor server applications and use tools and log files to troubleshoot and resolve problems
• Maintain 99.99% availability of the web and integration services
• Anticipate, identify, mitigate, and resolve issues relating to client facing infrastructure
• Monitor, analyse, and predict trends for system performance, capacity, efficiency, and reliability and recommend enhancements in order to better meet client SLAs and standards
• Research and recommend innovative and automated approaches for system administration and DevOps tasks
• Deploy and decommission client environments for multi and single tenant hosted applications following and updating as needed established processes and procedures
• Follow and develop CPA change control processes for modifications to systems and associated components

Practice configuration management, including maintenance of component inventory and related documentation per company policies and procedures.

Qualifications :

• Git/GitHub version control tools
• Linux and/or Windows Virtualisation (VMWare, Xen, KVM, Virtual Box )
• Cloud computing (AWS, Google App Engine, Rackspace Cloud)
• Application Servers, servlet containers and web servers (WebSphere, Tomcat)
• Bachelors / Masters Degree - 2+ years experience in software development
• Must have experience with AWS VPC networking and security

• 5+ years of experience in DevOps including automated system configuration, application deployment, and infrastructure-as-code. 
• Advanced Linux system administration abilities. 
• Real-world experience managing large-scale AWS or GCP environments. Multi-account management a plus. 
• Experience with managing production environments on AWS or GCP. 
• Solid understanding CI/CD pipelines using GitHub, CircleCI/Jenkins, JFrog Artifactory/Nexus. 
• Experience on any configuration management tools like Ansible, Puppet or Chef is a must. 
• Experience in any one of the scripting languages: Shell, Python, etc. 
• Experience in containerization using Docker and orchestration using Kubernetes/EKS/GKE is a must. 
• Solid understanding of SSL and DNS. 
• Experience on deploying and running any open-source monitoring/graphing solution like Prometheus, Grafana, etc. 
• Basic understanding of networking concepts.
• Always adhere to security best practices.
• Knowledge on Bigdata (Hadoop/Druid) systems administration will be a plus.  
• Knowledge on managing and running DBs (MySQL/MariaDB/Postgres) will be an added advantage. 

What you get to do 

• Work with development teams to build and maintain cloud environments to specifications developed closely with multiple teams. Support and automate the deployment of applications into those environments 
• Diagnose and resolve occurring, latent and systemic reliability issues across entire stack: hardware, software, application and network. Work closely with development teams to troubleshoot and resolve application and service issues 
• Continuously improve Conviva SaaS services and infrastructure for availability, performance and security 
• Implement security best practices – primarily patching of operating systems and applications 
• Automate everything. Build proactive monitoring and alerting tools. Provide standards, documentation, and coaching to developers.
• Participate in 12x7 on-call rotations 
• Work with third party service/support providers for installations, support related calls, problem resolutions etc. 

• Recommend a migration and consolidation strategy for DevOps tools
• Design and implement an Agile work management approach
• Make a quality strategy
• Design a secure development process
• Create a tool integration strategy

• Public clouds, such as AWS, Azure, or Google Cloud Platform
• Automation technologies, such as Kubernetes or Jenkins
• Configuration management tools, such as Puppet or Chef
• Scripting languages, such as Python or Ruby

Roles and Responsibilities 

• Primary stakeholder collaborating with Dir Engineering on software/infrastructure architecture, monitoring/alerting framework and all other architectural level technical issues
• Design and manage implementation of Silvermine’s high performance, scalable, extensible and resilient microservices application stack based of existing, partially migrated monolithic application and for new product development.  Includes:
  • Utilizing either ECS Fargate (no EC2 clusters) or EKS as the orchestration framework – to be tested up to a minimum of 100k concurrent users
  • Exploring, designing and implementing use of on demand compute (Lambda) where appropriate
  • Scalable and redundant data architecture supporting microservices design principles
  • A scalable reverse proxy layer to isolate microservices from managing network connections
  • Utilizing CDN capabilities to offload origin load via an intelligent caching strategy
  • Leveraging best in breed AWS service offerings to enable team to focus on application stack instead of application scaffolding while minimizing operational complexity and cost
  • Monitoring and optimizing of stack for
• Security and monitoring
  • Leverage AWS and 3rd party services to monitor the application stack and data; secure them from DDOS attacks and security breaches; and alert the team in the vent of an incident
  • Using APM and logging tools:
    • Monitor application stack and infrastructure component performance
    • Proactively detect, triage and mitigate stack performance issues
    • Alert upon exception events
    • Provide triaging tools for debugging and Root Cause Analysis.
• Enhance the CI/CD pipeline to support automated testing, a resilient deployment model (e.g., blue-green, canary) and 100% rollback support (including the data layer)
• Development a comprehensive, supportable, repeatable IAC implementation using CloudFormation or Terraform
• Take a leadership role and exhibit expertise in the development of standards, architectural governance, design patterns, best practices and optimization of existing architecture.
• Partner with teams and leaders to provide strategic consultation for business process design/optimization, creating strategic technology road maps, performing rapid prototyping and implementing technical solutions to accelerate the fulfillment of the business strategic vision.
• Staying up to date on emerging technologies (AI, Automation, Cloud etc.) and trends with a clear focus on productivity, ease of use and fit-for-purpose, by researching, testing, and evaluating.
• Providing POCs and product implementation guidelines.
• Applying imagination and innovation by creating, inventing, and implementing new or better approaches, alternatives and breakthrough ideas that are valued by customers within the function.
• Assessing current state of solutions, defining future state needs, identifying gaps and recommending new technology solutions and strategic business execution improvements.
• Overseeing and facilitating the evaluation and selection technology, product standards and the design of standard configurations/implementation patterns.
• Partnering with other architects and solution owners to create standards and set strategies for the enterprise.
• Communicating directly with business colleagues on applying digital workplace technologies to solve identified business challenges.

Skills Required:

• Good mentorship skills to coach and guide the team on AWS DevOps.
• Jenkins, Python, Pipeline as Code, Cloud Formation Templates and Terraform.
• Experience with Dockers, Containers, Lambda and Fargate is a must
• Experience with CI/CD and Release management
• Strong proficiency in PowerShell scripting
• Demonstrable expertise in Java
• Familiarity with REST APIs

Qualifications:

• Minimum of 5 years of relevant experience in Devops.
• Bachelors or Masters in Computer Science or equivalent degree.
• AWS Certifications is added advantage

DevOps 

Engineers : Min 3 to 5 Years 
Tech Leads : Min 6 to 10 Years 

• Implementing & supporting CI/CD/CT pipelines at scale.  
• Knowledge and experience using Chef, Puppet or Ansible automation to deploy and be able to manage Linux systems in production and CI environments.  
• Extensive experience with Shell scripts (bash).  
• Knowledge and practical experience of Jenkins for CI.  
• Experienced in build & release management.  
• Experience of deploying JVM based applications.  
• Enterprise AWS deployment with sound knowledge on AWS & AWS security.  
• Knowledge of encryption technologies: IPSec, SSL, SSH. 
• Minimum of 2 years of experience as a Linux Systems Engineer (CentOS/Red Hat) ideally supporting a highly-available, 24x7 production environments. 
• DNS providing and maintenance.  
• Helpful skills: Knowledge of applications relying on Maven, Ant, Gradle, Spring Boot.  
• Knowledge of app and server monitoring tools such as ELK/AppEngine. 
• Excellent written, oral communication and interpersonal skills. 

• Define and document best practices and strategies regarding application deployment and infrastructure maintenance.
• Ensure limited system failure and increase up-time and availability of the various company apps.
• Understand the current application infrastructure and strive for making it better.
• Automate infrastructure and develop tools and processes to improve the customer experience and reduce support time.
• Work closely with a team of developers and solution strategists to develop, deploy and troubleshoot the deployment and infrastructure issues.
• Manage full application stacks from the OS through custom applications using Amazon cloud-based computing environments.
• Set up a monitoring stack.
• Implement the application’s CI/CD pipeline using the AWS stack. Increasingly automate and improve the testing plans and development workflows and tools.
• Work closely with the engineers to design networks, systems, and storage environments that effectively reflect business needs, security requirements, and service level requirements.
• Manage a continuous integration/continuous deployment methodology for the server-based technologies.
• Proficient in leveraging CI and CD tools to automate testing and deployment. Experience working in an Agile, fast-paced, DevOps environment.
• Support internal and external customers on multiple platforms.
• First point of contact for handling customer issues, providing guidance and recommendations to increase efficiency and reduce customer incidents.
• Learn on the job and explore new technologies with little supervision.
• In addition to providing customer support, will be responsible for helping build tools and processes necessary for excellent customer outcomes.

Skills:

• Experience with the core AWS services, plus the specifics mentioned in this job description.
• Experience working with at least one of the following languages: Node.js, Python, PHP, Ruby, Kotlin or Java.
• Proficient with Git and Git workflows and hosted enterprise Git solutions like GitHub.
• Ability to troubleshoot distributed systems.
• Experience with. AWS EKS Kubernetes infrastructure setup.
• Experience creating Cloud Formation Template to create Auto Scaling Groups, Route 53, DNS, back-end database, Elastic load balancer, VPCs, Subnets, Security Groups, Cloud Watch, S3, IAM roles, RDS DB instances, and to provide those instances and configure those resources to work together reducing the manual effort.
• Experience in deploying and monitoring microservices on Kubernetes, AWS ECS, and AWS EKS
• Security aware and ensures that all systems are security standards-compliant.
• Good background in Linux/Unix administration.
• Experience with building or maintaining cloud-native applications.
• Minimum 3-5 years of cloud development experience, preferably AWS
• Experience with CI/CD tools like Jenkins preferred.
• Good analytical and communication skills
• Bachelor’s Degree in Computer Science, Engineering or a related technical discipline