Who are we:

In 2019, our founders were working as engineers solving complex cross domain problems in defence and security organisations.

TwinStream was formed to consolidate their collective expertise and experience into one business, providing technical excellence and exceptional service to their clients. We have teams working both on-site with clients and remotely from home.

Details :

Employment: Contract (outside of IR35)

Rate: £525 - £625 

Security Level: Must have live DV- clearance  

Location: 4-5 days in either Cheltenham, London or Manchester

About the role: 

Successful candidates will be working as part of an on-site team to maintain and support a managed cross-domain service using a wide range of technology, platforms and tools. The team employ site reliability engineering tools and practices to continuously verify and improve the service.  

Responsibilities: 

Build and Deploy code from multiple project teams: 

• Maintenance and administration of a CI pipeline building artefacts using Java, Maven and NPM. 
• Configuration and execution of component and service acceptance test suites using Maven and Cypress.   
• Deployment and configuration of tested services using Terraform and Ansible. Target platforms include OpenShift, RHEL/CentOS and Docker. 
• Configuration and deployment of third-party appliances and software services. 

Verification & Monitoring: 

• Track performance and availability metrics from deployed services with Influx and Grafana. 
• Configure automated alerts to trap problems before they become incidents.   
• Review application logs and respond to changes in system behaviour as they arise. 

Support and troubleshooting: 

• Second and third-line support, responding directly to business issues and questions. 
• Problem escalation and incident response. 
• Root cause analysis and proactive problem solving. The team is empowered to deploy changes in response to arising requirements. 

Business-as-usual maintenance: 

• Use of automation tools and techniques to reduce toil. 
• Database housekeeping. 

• OS level health checks and patching. 
• Data centre operations over multiple sites. 

Key skills 

• Experience of work within a managed service environment with a strong focus on service delivery and customer outcomes.  
• Experience of application development using java or similar. 
• Critical thinker with the ability reason about problems, test hypothesis and make appropriate risk decisions. 
• Effective communication and interpersonal skills. 
• Quick prioritisation of tasks and the ability to adapt to changing priorities during incident response scenarios. 
• Experience with git version control.  

Desirable skills 

• Experience of application deployment and administration using micro-service architectures.  
• Experience with asynchronous messaging platforms such as AMQP. 
• Experience with infrastructure-as-code tools: Terraform/Ansible. 
• Experience with S3 object storage tools and techniques. 
• Experience with RDBMS platforms: Oracle or similar.