Job description 

Introduction:

Application Support Specialist should take responsibility for:
•    Delivery of L2/L3 level Application Support services for application(s) under support
•    Maintain system availability and supplementary services within SLA
•    Ongoing liaison with Shared services team, upstream and downstream application teams to manage SLA expectations
•    Ongoing liaison with Barclaycard C&C, BIM’s/MIM’s to manage escalated incidents
•    Maintain a proactive presence in providing help and guidance to Business operations
•    Transitioning changes successfully in production
•    Working effectively with stakeholders within technology and operations

What will you be doing?

Application Support:
•    This role will be responsible for the application support for the service hosted on AWS public cloud
•    Deployment, automation, management, and maintenance of AWS cloud-based production systems
•    Ensuring availability, performance, security, and scalability of AWS production systems             
•    Driving complex and major incidents to resolution by owning the E2E incident management
•    Own the problem management function and work on to reduce the open problems by implementing fixes and collaborating with component teams
•    Documentation of SOPs or KBAs
•    Review test strategy, test cases & test results and provide inputs
•    Contribute in PAT and Resilience Testing 
•    Provide early life support of new projects
•    E2E Ownership of all production changes 
•    Automation of all manual checks 
•    Identification of gaps in the existing alerting & monitoring followed by deep instrumentation 
•    Creation of dashboard to identify service health and availability for proactive identification of issues
•    Driving continual service improvements across the estate to help our customers achieve their ambitions
•    Capacity & Demand Management
•    Implement self-healing to remove any manual intervention for incident recovery
•    Identification of improvement areas & automation opportunities to continuously improve effectiveness and efficiency of the team
•    Should be fine to work in India and UK shift and provide out of office hour support on rotational basis.

What we’re looking for:

•    Strong domain knowledge in banking or financial sector with an exposure to Agile Delivery for large scale and complex real-time systems
•    Strong knowledge of AWS Public cloud
•    Hands on experience in EC2, ECS, DynamoDB, Lambda, CloudFormation, S3, ELB, SQS, SNS, KMS, Secret Manager, IAM, API gateways and CloudWatch
•    Advanced administration experience with NOSQL DB or Amazon DynamoDB
•    Good knowledge of Kubernetes or containerization platform
•    Experience with DevOps tools such as Jenkins, GitHub, Stash etc.
•    Experience with Deployments using CloudFormation and Service Catalog 
•    Strong knowledge on monitoring tools such as AWS CloudWatch, AppDynamics and Kibana
•    Strong knowledge of ITIL processes and prior exposure to support functions
•    Working knowledge of Network Technologies such as Load Balancers & Firewalls
•    Knowledge of API or Microservices will be plus
•    Application Support experience in Java/J2EE including strong code-debugging skills and ability to perform analytics investigations on diagnostics such as thread-dumps, memory dumps

Preferred Qualifications:
•    Masters or graduate in computer science or any equivalent degree

Skills that will help you in the role:

•    AWS certified preferred
•    Scripting – Python, CloudFormation, NOSQL  
•    Databases – NoSQL based native-cloud database or RDBMS databases such as Oracle and SQL Server
•    Platform - Java/J2EE