28th July 2025
Infrastructure Application Support Engineer
Engineering
London
£80,000 - £90,000 per annum + annual discretionary bonus
Infrastructure Application Support Engineer
London, Docklands (Hybrid)
£80,000 – £90,000 per annum + annual discretionary bonus
On behalf of an industry Leading financial services business, I am seeking an experienced Infrastructure Application Support Engineer to provide 2nd line support for the organisations Lunix/Unix application services.
The company operates hybrid working where you will be expected to commit to a non-negotiable 2 days a week in their London office, therefore applicants must be based within a reasonable commuting distance.
Responsibilities:
- Provide 2nd line production operational support for Linux/UNIX application services, many of which are business critical.
- Be a point of contact for stakeholder communications for the Service Operations teams including Unix Application, Unix Infrastructure support and Unix DBA Support
- Provide remote and onsite support for internally developed business critical applications and 3rd Party vendor packages through Dev, Test, UAT and Prod.
- Manage and escalate problems as appropriate.
- Provide 24/7 on-call cover on a rotational shift basis.
- Ensure that the BAU Service is prioritized, and all faults, incidents and problems are responded to in an efficient manner without negatively impacting SLA’s and reporting metrics in place.
- Investigate defects or problems; work with the internal Development team and external vendors to identify workarounds and support any fixes that are required as part of service improvement.
- Implement Changes or fixes to applications. Support other technical changes being made which affect the organisations Business Systems.
- Follow the Change Management procedure and other standard practices in installing and configuring applications in Test and Production environments.
- Upgrade or maintain software at a time when the impact to the business is minimized.
- Participate in regular Disaster Recovery testing activities.
- Create, maintain, and review operational process and support documentation.
- Participate in planned weekend work as required.
- Through example and behaviour, strive to provide peer leadership to other team members ensuring a level of excellence is achieved in delivering the service.
- Participate in the successful release and transition of new IT services into support, meeting the team’s service acceptance criteria.
Skills/Experience required:
- Must have strong experience of supporting critical production applications in a Redhat Enterprise Linux, command line, environment.
- Must have strong experience of supporting Applications using Amazon Web Services (AWS).
- Experience of supporting IBM WebSphere MQ
- Experience of supporting Swift messaging applications.
- Ability to perform diagnostic and troubleshooting of AWS Product set such as EC2, Lambda, EKS, ECR, Workspaces, EBS, EFS, S3, RDS MSSQL, Route 53, VPC, Cloud Formation…
- Strong experience in working with ticket systems such as Service Now and an understanding of priorities and SLA’s.
- Experience of Release Management processes for the deployment of application packages from development through to production environments.
- Strong documentation and technical writing skills.
- Ability to collaborate effectively with Development teams and other operational support teams (Service Management and Engineering), to support the end-to-end service.
- Knowledge of ITIL framework (understanding of Incident, Problem, Change)
- Experience with WebSphere Application Server and Apache Tomcat
- Experience with maintenance of SSL Certs for ISVA/LDAP/WebSphere components.
- Scripting skills in languages such as Shell and Python
- Strong experience of supporting proprietary developed business critical banking applications.
- Experience of running queries against PostgreSQL and DB2 databases.
- Supporting Applications in a windows environment (preferred)
- Experience of providing cross training on application solutions and operational processes to colleagues. (preferred)
Professional qualifications/certifications:
- Bachelor’s degree or equivalent
- Prior IT operational support experience across business-critical Production environment, infrastructure, applications and database services
- Industry standard IT certification – AWS/RHEL/IBM MQ (preferred)
- ITIL certification (preferred).
Consultant - Brendan Connolly
Telephone: 0207 392 7512
Email: brendan.connolly@spencer-rose.com
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