Senior DevOps Engineer

Job title: Senior Application Engineer

Salary: £60-65k dependant on skills and experience
Location: Pier Walk, North Greenwich
Contract Type: Permanent TFL Band 3

Overview of project/role 

The Senior Application Engineer will be accountable for the provision of Level 2 (and where appropriate Level 3) service for TfL's environments (in-house developed & managed online services), ensuring that all services are delivered to the agreed standards, quality and performance. Out of Hours support, support of weekend or out of hours maintenance or release activities will be required for certain applications.

Key Accountabilities  

1. Responsible for executing support activities to enable fault resolution within the agreed SLAs to ensure the restoration of the services within the team’s portfolio
2. Responsible for developing and delivering recommendations to resolve critical defects and manage wider implications of system faults to ensure the restoration/improvement of the service
3. Assisting in recommending service and process improvements to ensure effective handling and correction of defects in the TfL environments
4. Accountable for resolving incidents and fulfilling Service Requests within SLA targets, which are assigned to themselves, or ensuring they are moved to the correct resolver team
5. Responsible for Technical Knowledge Management, peer to peer training and knowledge handover to Application Engineers.
6. Accountable for assisting Projects and other technical teams to deliver new services / update existing services in their portfolio
7. Maintenance of Amazon Web Services (AWS) Infrastructure for TfL Website, API and Journey Planner environments including lifecycle management, update of IaC (Infrastructure as Code) repositories, automation of environment management.
8. Maintenance of Identity & Access Management users, policies and permissions within AWS.
9. Providing support for development teams in troubleshooting issues & reconfiguration of the development environment

Knowledge

• Preferable: Extensive Industry experience in an Application Support environment
• Working knowledge of ITIL V3 Service Management
• Knowledge of current/emerging technologies and processes employed in Enterprise Wide IT services
• Knowledge of two or more of the following
• Knowledge of agile project management & DevOps methodologies.
• Working knowledge of solutions development methodologies.

Skills 

• Excellent oral and written communication skills at a business and technical level.
• Highly skilled at solving and communicating complex problems
• Communicates clearly and is skilled at adapting their communication style to meet the needs of the audience.
• Amazon Web Services (AWS) infrastructure administration
• Ability to develop & code in IaC frameworks & languages including Cloudformation, Puppet, Ruby, Perl
• Sophos Unified Threat Management administration
• Windows Server and Linux Server management

Experience 

• Demonstrable experience of working in a complex multi site environment dealing with business applications and real time implementation systems.
• Proven track record of working in development & operations teams dealing with Cloud Computing, preferably in AWS.
• Experience in infrastructure security management within Cloud environments, preferably AWS
• Experience working in Continuous Integration & Continuous Delivery (CI/CD) practices
• Well developed experience of issues and incident management and working within agreed SLAs.

Equality, diversity and inclusion 

We are committed to equality, diversity and inclusion. We want to represent the city we serve, which will help us become a more innovative and efficient organisation. Our goal is to make our recruitment as inclusive as possible. We are a disability confident employer who guarantee an interview to any disabled candidate who meets all of the essential criteria. We also use anonymising software that removes identifying information from CVs and cover letters to make the process fair.

Application Process  

• Please apply using your CV. Word format preferred and do not include any photographs or images 

The closing date for applications is 4/1/2026 @ 23:59 

Benefits

 
In return for your commitment and expertise, you will enjoy excellent benefits and scope to grow.  Rewards vary according to the business area but mostly include: 

• Final salary pension scheme  
• Free travel for you on the TfL network  
• A 75% discount on National Rail Season Ticket and interest free loan  
• 30 days annual leave plus public and bank holidays 
• Private healthcare discounted scheme (optional)  
• Tax-efficient cycle-to-work programme 
• Retail, health, leisure and travel offers  
• Discounted Eurostar travel 
• EV Salary Sacrifice Scheme