Cloud Infrastructure Engineer

Transaction Network Services (TNS); Kolkata District; On-site; INR 1,200,000 - 1,800,000; Full time

Job summary

Transaction Network Services (TNS) is looking for a skilled infrastructure engineer to design, automate, and support cloud solutions in Kolkata, India. The ideal candidate will have over 5 years of experience with Linux/Unix systems and 3+ years managing AWS infrastructure. Key responsibilities include implementing infrastructure as code using tools like Terraform and ensuring security for cloud networks. The role emphasizes teamwork, continuous improvement, and a focus on customer service. TNS values diversity and encourages applicants from all backgrounds.

Qualifications

• 5+ years’ experience managing Linux/Unix systems (Red Hat, Ubuntu preferred).
• 3+ years’ experience managing AWS infrastructure.
• Advanced knowledge of AWS native tooling and architecture.
• Strong understanding of cloud networking and security.

Responsibilities

• Design, implement, and support for infrastructure as code using tools such as Terraform, CloudFormation, and Ansible.
• Plan, deploy, and maintain AWS cloud infrastructure aligned to business objectives.
• Work with interdisciplinary teams to develop optimal cloud based solutions.

Skills

AWS Native Tooling

Infrastructure as Code (Terraform, CloudFormation, Ansible)

Linux/Unix Systems Management

Cloud Networking and Security

Scripting or Coding

CI/CD Tools (Jenkins, GitLab)

Education

Bachelor’s Degree or Equivalent Experience

Tools

Terraform

CloudFormation

Ansible

Job description

An extraordinarily talented group of individuals work together every day to drive TNS' success, from both professional and personal perspectives. Come join the excellence!

Overview

This role is responsible for designing, automating, deploying, and supporting secure, scalable cloud infrastructure that directly enables business growth and operational reliability. The ideal candidate brings strong technical depth in AWS, infrastructure-as-code, and Linux systems, along with a mindset focused on automation, resilience, and continuous improvement. Candidates should be comfortable collaborating across time zones, working asynchronously when needed, and supporting platforms used by a global customer base.

Responsibilities

Primary Duties and Responsibilities:

• Design, implementation, and support for infrastructure as code using tools such as Terraform, CloudFormation, and Ansible.
• Plan, deploy, and maintain AWS cloud infrastructure aligned to business objectives, performance, security, and availability requirements.
• Work with interdisciplinary teams to develop optimal cloud based solutions (Design, Build, Deploy).
• Maintenance, monitoring, and troubleshooting of AWS infrastructure.
• Provide environmental analysis and recommend performant solutions.
• Continuous improvement of service delivery to internal and external customers.
• Evangelize process automation where at all possible.
• Create, maintain, and improve documentation for processes, architecture, or other infrastructure elements.

Qualifications

• 5+ years’ experience managing Linux/Unix systems (Red Hat, Ubuntu preferred).
• 3+ years’ experience managing AWS infrastructure.
• Advanced knowledge of AWS native tooling and architecture.
• Experience deploying cloud native networks and interconnecting with on-prem networks.
• Strong understanding of cloud networking and security.
• Granular experience deploying cloud native solutions.
• Skilled in development of least privilege IAM policies.
• Experience developing and applying cloud resource tags.
• Experience using Infrastructure as Code tools (Terraform, CloudFormation, Ansible, etc.).
• Familiarity with CI/CD tools (Jenkins, GitLab).
• Strong scripting or coding experience.
• Demonstrated skills in decision making/judgement and initiative.
• High integrity, accountability, and a positive attitude.
• Team player with good interpersonal, organizational, and communication skills.

Optional Desired Qualifications

• AWS certification.
• Global infrastructure support experience preferred.
• Red Hat, CentOS, Ubuntu preferred.
• Exposure to other facets of IT helpful.
• Knowledge of PCI/SOC1/SOC2 requirements and controls helpful.

Education And Certifications

• Bachelor’s degree or equivalent experience required.
• ITIL certification preferred.

If you are passionate about technology, love personal growth and opportunity, come see what TNS is all about!

TNS is an equal opportunity employer. TNS evaluates qualified applicants without regard to race, color, religion, gender, national origin, age, sexual orientation, gender identity or expression, protected veteran status, disability/handicap status or any other legally protected characteristic.