Mainframe ZOS System Programmer

Job Description

Position Title: Senior System Engineer

Position Type: Full Time

Department: RSG

Reports to: First Level Manager, Indian Development Centre

Company Background:

Cglia is a software development company building highly available, highly secure, cloud-based enterprise software products that helps speed the research process resulting in new drugs, new devices, and new treatments to improve the health and wellbeing of world population.

At Cglia, our work shows our dedication and passion for innovative quality software products that are intuitive and easy to use and exceeds every aspect of customer expectations.

Cglia, is the place that develops world-class professionals who would like to be innovative, creative, learn continuously, and build a solid foundation to build products that are special and delight the customer.

Job Description:

The Senior System Engineer will have expertise in managing both Linux and Windows environments, along with hands-on experience in containerization technologies such as Kubernetes and Docker. Proficiency in Ansible for automation and configuration management is essential. This role is critical in ensuring the seamless operation, deployment, and maintenance of our IT infrastructure.

The ideal candidate has to oversee and participate with the installation, monitoring, maintenance, support, optimization and documentation of all network hardware and software. This includes managing multiple projects, planning network technology roadmaps and configuring/optimizing network services both internally and those integrated with Internet-based services

Job Responsibilities:

· Manage, maintain, and monitor Linux and Windows servers to ensure high availability and performance.

· Perform system upgrades, patches, and performance tuning for both operating systems and DBA servers.

· Deploy, manage, and troubleshoot containerized applications using Kubernetes and Docker.

· Design and implement Kubernetes clusters to ensure scalability, security, and reliability.

· Develop and maintain Ansible playbooks for automation of repetitive tasks, configuration management,

and system provisioning.

· Implement security best practices for both Linux and Windows environments.

· Set up and manage backup and disaster recovery solutions for critical systems and data.

· Work closely with development teams to support CI/CD pipelines and troubleshoot application issues.

· Manage VM Ware in a high availability environment with Disaster Recovery

· Good experience in RAID & Firewall

· Maintaining and managing SQL database server support

· Experience with scripting languages Unix/Shell, Bash or PowerShell

· Assist Quality Assurance with testing program changes, new releases or user documentation and support

new product release activities that include testing customer flows

· Must have the ability to work a flexible schedule and is required to participate in on-call rotation, which

includes different shift timings, weekends, and holidays

· Work across multiple time zones with remote team members

· Perform other duties as deemed necessary to provide quality service to the clients

Experience and Skills Required:

· Minimum 4+ years of experience in Linux and Windows administration

· 3 years of experience in VM Ware in a high availability environment with Disaster Recovery

· Good experience in RAID & Firewall

· 2+ years of experience in SQL database server support

· Ability to quickly acquire an in-depth knowledge of multiple custom applications

· Experience in setting up IT policies based on best practices and monitoring them

· Experience in shell scripting and automating tasks

· Experience in hardware and software monitoring tools

· Experience in administration and best practices for Apache and Tomcat

· Experience in handling Cisco router and firewall configurations and management

· Working knowledge on SQL Server, Oracle and other RDBMS databases

· Must be proactive and possess strong interpersonal, communication and organization skills

· Must possess excellent written and verbal presentation skills

· Must be self-motivated

· Certification in Linux/Windows administration is preferable.

Academics:

· Bachelor's / Master's degree (or equivalent) in computer science or related field or equivalent experience.

Primary Skills: 

Observability - ELK (Elactic/Kibana), Prometheus, Grafana, PromQL

Software and automation - Java, Python/Shell/Bash, Rest-SOAP API, docker containerization, Kubernetes, Kafka

Reliability and DR engineering - Distributed architecture and distributed system fundamentals, micro services, and event-driven architecture.

Cross-team coordination, incident triage and resolution, leadership and stakeholder management.

Secondary Skills:

Lang-chain, Langraph, RAG, MCP

Experience with working on LLM's and integrating with the existing applications

Python - FastAPI

Cache - Redis

Program Details:

Design, build, and ship LLM-powered and agentic product features that enhance the team efforts and outcomes.

Build agentic AI systems that reason over context, invoke tools, take real actions, and recover gracefully from failure.

Work on integrating the existing AI tools and should know major AI frameworks and libraries. 

Own service reliability and operational governance by defining SLA's, managing error budgets, and reporting reliability (MTTD, MTTR) to leadership for prioritization, risk decisions and planning.

Architect and continuously optimize the observability of platform using Kibana/Elastic (ELF) along with other observability tools like Prometheus, Grafana (dashboards, metrics, alert lifecycle), improving detection quality, reducing noise/toil, and enabling faster triage and measurable uptime improvements.

Engineer advance alerting and automation capabilities with Kibana alerting and anomaly detections and integrating response workflows (routing, runbooks, remediation scripts) to standardize on-call execution and accelerate restoration of services.

Lead incident response for customer-impacting issues across teams-coordination, communications, service restoration, and blameless RCA-then corrective actions that prevent recurrence and reduce operational risk.

Design, automate and validate Disaster Recovery and failover for critical services/journeys (RTO/RPO alignment, DR Drills), ensuring resiliency under failure scenarios and improving recovery.

Consult and partner with application teams by providing production readiness inputs (Resiliency patterns, availability, performance/capacity considerations) and driving platform enhancements that improve stability while optimizing infrastructure and observability spend.

If you are interested for this role, kindly acknowledge this email with your interest.

General Description:Owns all technical aspects of software development for assigned applications

Participates in the design and development of systems & application programs

Functions as Senior member of an agile team and helps drive consistent development practices – tools, common components, and documentation

Required Skills:

In depth experience configuring and administering EKS clusters in AWS.

In depth experience in configuring **Splunk SaaS** in AWS environments especially in **EKS**

In depth understanding of OpenTelemetry and configuration of **OpenTelemetry Collectors**

In depth knowledge of observability concepts and strong troubleshooting experience.

Experience in implementing comprehensive monitoring and logging solutions in AWS using **CloudWatch**.

Experience in **Terraform** and Infrastructure as code.

Experience in **Helm**Strong scripting skills in Shell and/or python.

Experience with large-scale distributed systems and architecture knowledge (Linux/UNIX and Windows operating systems, networking, storage) in a cloud computing or traditional IT infrastructure environment.

Must have a good understanding of cloud concepts (Storage /compute/network).

Experience collaborating with several cross functional teams to architect observability pipelines for various GCP services like GKE, cloud run Big Query etc.

Experience with Git and GitHub.Experience with code build and deployment using GitHub actions, and Artifact Registry.

Proficient in developing and maintaining technical documentation, ADRs, and runbooks.

Frontend Web Developer Responsibilities

• UI Development: Develop interactive and responsive web applications using React.
• API Integration: Integrate with RESTful APIs to fetch and display data dynamically.
• AI/ML Integration: Collaborate with AI/ML engineers to integrate AI models into the frontend, providing real-time insights and enhancing data-driven features.
• Dashboard Creation: Design and implement dashboards that provide comprehensive overviews of data, powered by AI/ML insights.
• Graph Integration: Utilize libraries like D3.js, Chart.js, Plotly or Recharts to create interactive and visually appealing graphs and charts.
• Data Comparison: Implement features to compare data across different time periods and datasets.
• User Interaction: Implement AI-driven user interaction features such as chatbots, virtual assistants, and recommendation systems.
• State Management: Implement state management solutions using Redux and Context API.
• Collaboration: Work closely with backend developers to ensure seamless API integration and data flow.
• Performance Optimization: Optimize application performance and ensure cross-browser compatibility.
• User Testing: Conduct user testing and gather feedback to improve UI/UX.
• Code Quality: Write clean, maintainable, and efficient code, participate in code reviews, and provide feedback to peers.
• Documentation: Maintain comprehensive documentation for the frontend codebase and components.
• Industry Trends: Stay up-to-date with the latest industry trends and technologies to ensure the application remains current and competitive

5 to 10 years of software development & coding experience

Experience with Infrastructure as Code development (Automation, CICD) AWS CloudFormation, AWS CodeBuild, CodeDeploy are a must have. 

Experience troubleshooting AWS policy or permissions related errors during resource deployments \

Programming experience; preferred Python, PowerShell, bash development experience \

Have Experience with application build automation tools like Apache Maven, Jenkins, Concourse, and Git supporting continuous integration / continuous deployment capabilities (CI/CD) à GitHub and GitHub actions for deployments are must-have skills (Maven, Jenkins, etc. are nice to have)

Have configuration management experience (Chef, Puppet, or Ansible)

Worked in a Development Shop or have SDLC hands on Experience

Familiar with how to write software, test plans, automate and release using modern development methods

AWS certified at an appropriate level

A.P.T Portfolio, a high frequency trading firm that specialises in Quantitative Trading & Investment Strategies.Founded in November 2009, it has been a major liquidity provider in global Stock markets. 

As a manager, you would be incharge of managing the devops team and your remit shall include the following

• Private Cloud - Design & maintain a high performance and reliable network architecture to support  HPC applications
• Scheduling Tool - Implement and maintain a HPC scheduling technology like Kubernetes, Hadoop YARN  Mesos, HTCondor or Nomad for processing & scheduling analytical jobs. Implement controls which allow analytical jobs to seamlessly utilize ideal capacity on the private cloud. 
• Security - Implementing best security practices and implementing data isolation policy between different divisions internally. 
• Capacity Sizing - Monitor private cloud usage and share details with different teams. Plan capacity enhancements on a quarterly basis. 
• Storage solution - Optimize storage solutions like NetApp, EMC, Quobyte for analytical jobs. Monitor their performance on a daily basis to identify issues early.
• NFS - Implement and optimize latest version of NFS for our use case. 
• Public Cloud - Drive AWS/Google-Cloud utilization in the firm for increasing efficiency, improving collaboration and for reducing cost. Maintain the environment for our existing use cases. Further explore potential areas of using public cloud within the firm. 
• BackUps  - Identify and automate  back up of all crucial data/binary/code etc in a secured manner at such duration warranted by the use case. Ensure that recovery from back-up is tested and seamless. 
•  Access Control  - Maintain password less access control and improve security over time. Minimize failures for automated job due to unsuccessful logins. 
•  Operating System  -Plan, test and roll out new operating system for all production, simulation and desktop environments. Work closely with developers to highlight new performance enhancements capabilities of new versions. 
•  Configuration management  -Work closely with DevOps/ development team to freeze configurations/playbook for various teams & internal applications. Deploy and maintain standard tools such as Ansible, Puppet, chef etc for the same. 
•  Data Storage & Security Planning  - Maintain a tight control of root access on various devices. Ensure root access is rolled back as soon the desired objective is achieved.
• Audit access logs on devices. Use third party tools to put in a monitoring mechanism for early detection of any suspicious activity. 
• Maintaining all third party tools used for development and collaboration - This shall include maintaining a fault tolerant   environment for GIT/Perforce, productivity tools such as Slack/Microsoft team, build tools like Jenkins/Bamboo etc

Qualifications 

• Bachelors or Masters Level Degree, preferably in CSE/IT
• 10+ years of relevant experience in sys-admin function
• Must have strong knowledge of IT Infrastructure, Linux, Networking and grid.
• Must have strong grasp of automation & Data management tools.
• Efficient in scripting languages and python

Desirables

• Professional attitude, co-operative and mature approach to work, must be focused, structured and well considered, troubleshooting skills.
•  Exhibit a high level of individual initiative and ownership, effectively collaborate with other team members.

APT Portfolio is an equal opportunity employer

Why you should join us

- You will join the mission to create positive impact on millions of peoples lives

- You get to work on the latest technologies in a culture which encourages experimentation - You get to work with super humans (Psst: Look up these super human1, super human2, super human3, super human4)

- You get to work in an accelerated learning environment

What you will do

- You will provide deep technical expertise to your team in building future ready systems.

- You will help develop a robust roadmap for ensuring operational excellence

- You will setup infrastructure on AWS that will be represented as code

- You will work on several automation projects that provide great developer experience

- You will setup secure, fault tolerant, reliable and performant systems

- You will establish clean and optimised coding standards for your team that are well documented

- You will set up systems in a way that are easy to maintain and provide a great developer experience

- You will actively mentor and participate in knowledge sharing forums

- You will work in an exciting startup environment where you can be ambitious and try new things :)

You should apply if

- You have a strong foundation in Computer Science concepts and programming fundamentals

- You have been working on cloud infrastructure setup, especially on AWS since 8+ years

- You have set up and maintained reliable systems that operate at high scale

- You have experience in hardening and securing cloud infrastructures

- You have a solid understanding of computer networking, network security and CDNs

- Extensive experience in AWS, Kubernetes and optionally Terraform

- Experience in building automation tools for code build and deployment (preferably in JS)

- You understand the hustle of a startup and are good with handling ambiguity

- You are curious, a quick learner and someone who loves to experiment

- You insist on highest standards of quality, maintainability and performance

- You work well in a team to enhance your impact

• 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