About

Careers

At CSL, we’re proud to foster a positive, inclusive culture that values collaboration and continuous improvement. Our shared values motivate us to embrace each person’s unique skills and talents for shared success. Join our dynamic team today!

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Collaboration

We build strong inter-team relationships and encourage knowledge sharing across the whole business.

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Continuous Improvement

Inspiring our team members to find small and big ways to grow as individuals and as a company.

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Customer Obsessed

Dedicated to delivering the best solutions and support in the business.

Get to know us

See how we make our values come to life and what makes CSL a great place to grow your career.

 

What it’s like to work here

With a commitment to both personal and professional growth, CSL offers an inspiring environment where employees thrive.

Current vacancies

Explore our open positions and find your dream job at CSL. Or simply contact us to learn more. We’d love to hear from you.

Watford, UK | Hybrid Signalling Team

Senior Software Engineer (Python)

Adam King
Hiring Manager Adam King Software Engineering Lead

Who Are CSL Looking For?

To be a successful Senior Software Engineer, you must have strong technical expertise and problem-solving skills, capable of tackling complex development backlog tickets with confidence. You are expected to take ownership of backlog tasks, delivering high-quality implementations that align with coding standards, business objectives, and project timelines. Comfortable collaborating with peers and supporting other colleagues, you ensure that solutions are efficient, scalable, and maintainable, contributing to the overall success of the Signalling Engineering team.

The Role:

Software Engineers are responsible for engineering all of the systems, products and services that power CSL.

This means being responsible for the software design, code implementation, test coverage and operation of effective software and supporting toolsets within specific business and technology domains.

The role holder spends their time Exploring, Investigating, Developing, Enhancing and sometimes Decommissioning our provided Tools, Product and Services all with the aim of delivering the backlog, roadmap and overall corporate strategy with their success being measured by outcome value achieved and alignment to the agreed priorities.

This involves translating requirements into quality (meet required metrics) technical solutions then creating code for products and services adhering to our engineering standards that’s maintainable, supportable and with minimal risk to operate and able to be deployed safely into a production environment for use by customers and colleagues.

The Senior Software Engineer is a trusted expert within their Centre of Excellence (domain) for complex implementations, providing technical solutions and guidance. A Senior Engineer is expected to resolve challenging problems efficiently, leveraging their deep understanding of the design, topology, and methodology of their domain. They play a key role in ensuring successful outcomes through collaboration and technical capability.

Key to being successful is being responsible for creating a diverse, inclusive, and welcoming environment. It is essential to ensure that everyone feels supported to be their authentic self, can grow, develop, and positively contribute to delivering value.

 

Key Responsibilities:

 

People

  • Able to work in close partnership with and under the guidance of others – Heads of Engineering, Solution Architect, Technical Programme Manager, Engineering Leads and Principal Engineers.
  • Provide technical knowledge, insight, and guidance to other engineers as required.
  • Review and give constructive feedback on others’ code through peer review processes.
  • Support product and other stakeholders as required in shaping the Product roadmap.
  • Be knowledgeable on their domain (Centre of Excellence) they are part of and its place alongside other domains and therefore are comfortable when others consult with them.
  • Work with Principals and Engineering Leads in the broader Signalling engineering Team to shape, document, and enhance the best practices and technology standards.

 

Process

  • Effectively participate in the team’s software development methodologies, such as pairing, code and documentation reviewing, testing, and continuous delivery.
  • Work with project, product, and technical leads to design software and create implementable specifications and tasks at product and roadmap level.
  • Ensure that the team’s technical documentation is always complete, accurate, and reliable.
  • Provide frequent and accurate updates on ticket progress, expected timelines, work level outstanding, dependencies, risks, issues and duration spent to Delivery Programme Managers.
  • Lead troubleshooting and resolution of issues throughout the product life cycle, including providing out-of-hours support for incident resolution and actively contribute within retrospectives.
  • Ensure unit testing is always implemented alongside their code and is always fit for purpose.
  • Investigate and evaluate technologies that could provide future benefit to CSL through research and experimentation.

 

Technology

  • Comfortable and dependable in the design and development of effective software that meets complex, strategic business needs for the immediate roadmap and helps to achieve broader CSL objectives.
  • Ensures their approaches, code, documentation and testing is aligned to Technology Standards and Practices.
  • Ensure the code delivers works as expected (aligned to Acceptance Criteria and Definition of Done), meets wider specifications, reliability, cost efficiency and performance goals.
  • Ensures the product and services is integrated with monitoring and support tooling aligned to its operating environment.

 

Ideal Experience and Knowledge Sought:

  • Skilled in designing and building reliable software for large-scale applications in complex environments.
  • Experienced in popular programming frameworks, development tools, databases, and deployment processes.
  • Capable and comfortable in guiding others, working with stakeholders outside of their immediate team such as Product Owners/Managers, and influencing key decisions – including communicating concerns or issues.
  • Demonstratable experience and committed to high coding standards, including being a recognised practitioner of test-driven development and software quality assurance methodologies.
  • Previous experience and understanding of what it takes to ensure product changes succeed, through applying best design practices, and by keeping up with new technologies.

The above should not be viewed as an exhaustive list of skills and/or qualifications but rather CSLs view on the ideal candidate. If you feel you can meet three quarters or more of the requirements and learn the rest with support from CSL please apply now with an indication of your salary expectations for the role.

 

CSL operates as an equal opportunities employer and we welcome all applications regardless of gender, race, disability, sexual orientation, religion or belief, age, gender reassignment, marital or civil partnership status, pregnancy or maternity.

Watford, UK | Hybrid HR Team

HR Director

Hybrid | Remote Sales Team

Sector Specialist – Utilities

Newbury Customer Support

Technical Support Team Leader

Perks for a balanced work-life:

Competitive salaries
25 days annual leave
Rewards platform
Hybrid working
Private pension
Investment in your learning
Subsidised gym membership
Complimentary breakfast foods
Subsidised eye care
Monthly team-building exercises
Annual employee awards
Cycle to work scheme
Green employee car scheme
Light & modern HQ
Subsidised flu jabs
Life assurance
Refer a friend scheme
Lifetime financial well-being
Annual Volunteering Day
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