×
Register Here to Apply for Jobs or Post Jobs. X

Mainframe Engineer

Job in City Of London, Central London, Greater London, England, UK
Listing for: Lorien
Part Time position
Listed on 2026-02-21
Job specializations:
  • IT/Tech
    Cloud Computing, IT Support
Salary/Wage Range or Industry Benchmark: 60000 - 80000 GBP Yearly GBP 60000.00 80000.00 YEAR
Job Description & How to Apply Below
Location: City Of London

Hybrid Working - London - 2 days a week on site.

Lorien's leading banking client is looking for an experienced Mainframe Engineer. This person will support the test environments to enable delivery of features to mobile/online banking customers. The person will have hands-on experience with CICS web services, ZOS Connect, DB2, SQL, SOAP, WSDL along with understanding of AWS Services

This role is based in London.

Key Responsibilities
  • Provide expert support and timely resolution of environment issues focusing on mainframe systems and related infrastructure.
  • Work on test data support requirement for the teams within Digital Channels.
  • Collaborate closely with Data Power and AWS teams to understand integration points and troubleshoot cross-platform dependencies.
  • Monitor AWS cloud resources including Cloud Watch for logging and alerting, Dynamo

    DB for database management, and AWS Lambda for serverless compute tasks related to project workflows.
  • Implement best practices for environment stability, performance tuning, and security compliance.
  • Produce detailed technical documentation, status reports, and issue logs for ongoing support and knowledge sharing.
  • Communicate effectively with cross-functional teams including developers, infrastructure engineers, and project managers to ensure timely resolution of issues and alignment on priorities.
  • Work on automation using but not limited to Python, Shell scripting, and Git Lab pipeline.
Required

Skills and Qualifications
  • Proven experience in mainframe environments, particularly with CICS web services, ZOS Connect EE, DB2, and batch processing.
  • Strong skills in mainframe transaction management, JCL, and system debugging tools.
  • Familiarity with SOAP, WSDL, JSON, and integration patterns such as SOA and RESTful APIs.
  • Good working knowledge of AWS services, particularly Cloud Watch, Dynamo

    DB, and Lambda, including monitoring, troubleshooting, and optimisation.
  • Excellent verbal and written communication skills to effectively articulate technical issues and solutions.
  • Ability to work under pressure and manage multiple priorities in a fast-paced environment.
  • Strong problem-solving skills and a proactive approach to identifying and resolving issues.
  • Python knowledge, Experience with Gitlab pipeline, Improvement/Automation with AI.
#J-18808-Ljbffr
Note that applications are not being accepted from your jurisdiction for this job currently via this jobsite. Candidate preferences are the decision of the Employer or Recruiting Agent, and are controlled by them alone.
To Search, View & Apply for jobs on this site that accept applications from your location or country, tap here to make a Search:
 
 
 
Search for further Jobs Here:
(Try combinations for better Results! Or enter less keywords for broader Results)
Location
Increase/decrease your Search Radius (miles)

Job Posting Language
Employment Category
Education (minimum level)
Filters
Education Level
Experience Level (years)
Posted in last:
Salary