DevOps Support Engineer

London, UK TEKsystems Job Title: DevOps Support Engineer Job DescriptionThis role focuses on supporting and modernising business‑critical applications as they migrate from traditional infrastructure into modern AWS cloud environments, while ensuring production stability and robust cyber security controls. Around 70% of the position centres on application support and production engineering, with the remaining 30% dedicated to cloud engineering and DevOps transformation, making it well suited to Infrastructure Engineers who have successfully evolved into Cloud/DevOps Engineers. You will work as part of globally distributed teams, combining strong troubleshooting skills, automation expertise and a pragmatic approach to continuous improvement in a highly regulated environment. Responsibilities Support and modernise applications transitioning from traditional infrastructure to AWS cloud environments, ensuring stability and reliability throughout the migration. Maintain, optimise and troubleshoot CI/CD pipelines and deployment processes to enable efficient and reliable software delivery. Design, build and enhance automation solutions to reduce manual operational effort and improve consistency across environments. Provide L2 and L3 production support, including incident triage, service restoration and escalation where necessary. Participate in incident management activities, including root cause analysis and implementation of corrective and preventive actions. Monitor platform reliability, availability and performance using tools such as Datadog and BigPanda, and proactively address issues. Manage infrastructure configuration and automation using Infrastructure as Code principles, including tools such as Terraform and Ansible. Implement and support infrastructure and operational CI/CD pipelines, following source control and deployment automation best practices. Collaborate closely with Cyber Security teams to ensure adherence to security controls, governance requirements and secure operational practices. Support strategic Cyber Security initiatives by aligning deployment and operational processes with security standards. Administer and support Linux environments, including Red Hat Enterprise Linux, ensuring secure and stable operation. Apply networking fundamentals to diagnose connectivity issues and support reliable communication between services. Use Python and shell scripting to automate operational tasks, improve observability and streamline production support workflows. Work effectively within globally distributed teams, engaging stakeholders and coordinating activities across time zones. Balance day‑to‑day operational support with longer‑term platform modernisation and cloud transformation initiatives. Contribute to continuous improvement by identifying opportunities to enhance reliability, performance, security and automation across the platform. Support and maintain services and components running on AWS, including EC2, EKS and related cloud infrastructure. Troubleshoot application and infrastructure issues, including database‑related problems using SQL, to restore service quickly. Participate in technical assessments and discussions related to DevOps, cloud engineering and production support scenarios as part of the recruitment and onboarding process.Essential Skills At least 5 years’ experience in DevOps, Cloud Engineering, Production Engineering, Site Reliability Engineering or Infrastructure Engineering roles. Proven track record supporting business‑critical production environments, including L2 and L3 incident and problem management. Strong background in cloud technologies and automation, with hands‑on experience in AWS. Practical experience with AWS services, including EC2 and EKS, and general AWS infrastructure management. Solid Linux administration skills, including Red Hat Enterprise Linux, in production environments. Good understanding of networking fundamentals to support troubleshooting and platform reliability. Proficiency in Python scripting for automation and operational tooling. Strong shell scripting skills to automate routine tasks and support production operations. experience implementing and supporting infrastructure and operational CI/CD pipelines. Hands‑on experience with CI/CD tools and processes, and adherence to source control and deployment automation best practices. Practical experience using Ansible for configuration management and automation. experience with Infrastructure as Code concepts and tools, including Terraform. Hands‑on experience with monitoring and alerting tools such as Datadog and BigPanda. Strong incident management experience, including coordination of response and communication during production incidents. experience providing L2/L3 production support in complex, highly available environments. Good understanding of security controls, governance frameworks and secure deployment and operational practices. experience supporting Cyber Security initiatives and working alongside security teams. Strong troubleshooting mindset with the ability to diagnose and resolve complex production issues under time pressure. Excellent English communication skills, both written and verbal, for effective collaboration across distributed teams. Strong stakeholder engagement abilities, with experience working across geographically distributed teams. Ability to operate effectively under production support pressures while maintaining attention to detail and quality. experience with SQL for troubleshooting and supporting application data issues. Exposure to tools such as HashiCorp Vault for secure secrets management.Additional Skills & Qualifications background as an Infrastructure Engineer who has successfully transitioned into a Cloud/DevOps Engineer role. experience working in highly regulated environments, such as financial services or other regulated industries. Exposure to Site Reliability Engineering (SRE) practices and principles. experience with large‑scale cloud migration or transformation programmes. Cyber Security programme experience, including collaboration on strategic security initiatives. Pragmatic approach to automation, focusing on high‑value improvements and continuous enhancement of processes. Demonstrated ability to balance operational support responsibilities with platform modernisation and transformation work. Participation in technical screening interviews, DevOps and cloud engineering deep‑dives, and production support scenario discussions as part of previous roles. Familiarity with assessment platforms such as Codility for coding and technical evaluations.Why Work Here?You will join a forward‑looking organisation that is investing heavily in modern cloud platforms and cyber security, giving you the opportunity to work on strategic transformation initiatives with real business impact. The environment encourages continuous learning, professional growth and the development of deep expertise in AWS, automation and production engineering. You will collaborate with experienced colleagues across globally distributed teams, benefiting from diverse perspectives and shared knowledge. The culture values pragmatic problem‑solving, clear communication and strong teamwork, providing a supportive setting where you can contribute ideas, shape best practices and advance your career in DevOps and cloud engineering. Work EnvironmentYou will work in a technically advanced environment focused on AWS‑based platforms, including services such as EC2 and EKS, alongside Linux systems with a strong emphasis on Red Hat Enterprise Linux. Day‑to‑day activities involve using automation and Infrastructure as Code tools such as Ansible and Terraform, scripting in Python and shell, and managing CI/CD pipelines that follow source control and deployment automation best practices. The role is embedded in globally distributed teams, requiring effective remote collaboration, clear communication and coor