Kaushal Singh
Leeds,United Kingdom
Summary
Highly skilled and results-oriented DevOps Engineer with strong proficiency in AWS, Azure, and Private Cloud, specializing in infrastructure automation, CI/CD, and cloud-native solutions. Proficient in Python, Shell scripting, Terraform, Ansible, Docker, and Kubernetes, with proven expertise in designing scalable, secure, and resilient environments. Certified in Terraform, AWS, and Azure, with hands-on experience in automation and modern DevOps practices.
Overview
15
15
years of professional experience
1
1
Certification
Work history
Senior DevOps/Platform Engineer
Credera UK limited
Leeds, United Kingdom
06.2023 - 08.2025
- Directed a team of three engineers to design, automate, and implement multi-region MariaDB clusters with the client, accelerating deployment timelines, enhancing performance and reliability, and creating reusable best practices adopted across projects.
- Engineered pipelines, scripts, and solutions for multi-region MariaDB cluster deployment in a new region on Private Cloud, completing operational setup to 8 working days and creating reusable best practices adopted widely.
- Developed CI/CD pipelines using Terraform, Ansible, Python, and Azure Pipelines to provision resilient multi-region MariaDB clusters, improving deployment speed and system reliability.
- Developed a proactive certificate monitoring system, ensuring reliable secure database connections.
- Automated MariaDB operations including stress testing, configuration customization, failover validation, incremental cluster creation, firewall scoping, and secure key-store password management, enhancing performance, security, and operational efficiency.
- Developed Python Lambda functions to clean CSV data and implemented automated health checks on AVI monitors, streamlining data pipeline processing and ensuring failover across multiple sites.
- Implemented a custom NAT instance to route private traffic, replacing AWS managed NAT gateway and achieving up to 23% network cost savings.
Devops Engineer/IT Consultant
Virgin Media O2 (Tech Mahindra)
Leeds, United Kingdom
10.2017 - 04.2023
- Developed and maintained CI/CD pipelines using Gitlab , accelerating code deployments and improving release reliability.
- Perform rollout and rollback deployment and Horizontal Pod scaling in Kubernetes architecture maintaining 99% uptime.
- Automate infrastructure provisioning and management using Terraform.
- Increased database resiliency by 66% on legacy application, closing a long pending open risk.
- Automated morning checks across 11 servers on legacy application using shell scripting, reducing daily manual effort by 80%.
- Supported multiple large scale projects and migrations including OS Upgrade of RHEL servers and implementation of 5G services for Tesco Mobile (MVNO).
Technical Lead
Tech Mahindra (British Telecom)
Pune, India
12.2015 - 10.2017
- Supported Oracle Network Mediation to transform raw network data into rich data assets (rating and pricing of interconnect CDRs) for both Prepay and Postpay call types for wholesale customers.
- Migrated and maintained Bill Formatter applications for multiple wholesale products, converting raw bills into formatted invoices and backup files.
- Facilitated two significant application migrations within 6 months of joining team, earning commendation from BT director for efforts.
- Developed shell scripts for automation, reporting, and workaround solutions, reducing manual effort and improving operational efficiency.
- Managed incidents, service requests, change requests, and problem records, liaising with design and development teams to ensure seamless application support and issue resolution.
System Engineer
Tata Consultancy Services (Vodafone India)
Pune, India
08.2014 - 12.2015
- Production support for all activities included in customer life cycle for prepaid profile over Pan India.
- Owned the MNP number return process, ensuring accuracy and continuity.
- Configured and tested MSISDN/IMSI ranges and migrated legacy MML commands to SPML for HLR network elements.
- Provide enhancement and automation using shell script and supported a major OS migration project from Unix to Linux.
System Engineer
Tata Consultancy Services (British Petroleum)
Pune, India
01.2014 - 08.2014
- Delivered 3rd-line support for Asset Control application, ensuring timely resolution of incidents within SLA.
- Supported major/minor releases across production and non-production environments.
- Developed automation scripts to streamline repetitive support tasks.
System Engineer
Tata Consultancy Services (Talk Talk)
Chennai, India
10.2010 - 12.2013
- Managed major incidents (P1&P2) raised in production and ensure they are resolved within SLA.
- Developed shell scripts to automate routine monitoring and reporting tasks.
Education
Technical Team Communication -
University of Oxford
Oxford, UK 06/2025 - 06/2025
Bachelor of Technology -
Vellore Institute of Technology
Vellore, India 07/2006 - 05/2010
Skills
- AWS
- Azure
- VMware Private Cloud
- Azure DevOps Pipelines
- GitHub actions
- Python
- Shell scripting
- JavaScript
- C
- Lambda
- AKS
- Kubernetes
- Docker
- Terraform
- Ansible
- VCD
- NSXt
- MariaDB
- SQL
- CI/CD
- PaaC
- IaC
- JSON
- YAML
- Unix/Linux
- Team Management
Certification
- Hashicorp Certified: Terraform Associate (06/2025 - 06/2027)
- Microsoft Certified: Azure Fundamentals (06/2024)
- AWS Certified Cloud Practitioner (03/2021 - 03/2024)
Awards
- Bravo award for increasing DB resiliency (2018-07)
- Appreciated by BT directors for migrating critical prepay product (2016-04)
- Pat on the back award for migrating Aurora application (2016-07),
- Pat on the back award for BT sense project (2016-10)
Affiliations
- Credera UK Ltd (06/2023 - Present)
- Tech Mahindra (12/2015 - 04/2023)
- Tata Consultancy Services (08/2010 - 12/2015)
Accomplishments
- Bravo award for increasing DB resiliency (07/2018)
- Appreciated by BT directors for migrating critical prepay product(04/2016)
- Pat on the back award for migrating Aurora application(07/2016)
- Pat on the back award for BT sense project (10/2016)
Timeline
Senior DevOps/Platform Engineer
Credera UK limited
06.2023 - 08.2025
Devops Engineer/IT Consultant
Virgin Media O2 (Tech Mahindra)
10.2017 - 04.2023
Technical Lead
Tech Mahindra (British Telecom)
12.2015 - 10.2017
System Engineer
Tata Consultancy Services (Vodafone India)
08.2014 - 12.2015
System Engineer
Tata Consultancy Services (British Petroleum)
01.2014 - 08.2014
System Engineer
Tata Consultancy Services (Talk Talk)
10.2010 - 12.2013
Technical Team Communication -
University of Oxford
06/2025 - 06/2025
Bachelor of Technology -
Vellore Institute of Technology
07/2006 - 05/2010
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