Site Reliability Engineer

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Site Reliabilty Engineer

Swindon - Hybrid

Salary - £50,000 - £65,000 dependant on experience + Annual Bonus

We are hiring for a Site Reliabilty Engineer (SRE), who will combine software, systems, and networking engineering principles to design, build, and operate large-scale, highly distributed, and fault-tolerant systems.

Working closely with the wider team, you will help to ensure that Edenred Paytech's services, including both critical internal platforms and external-facing systems, achieve high reliability and meet or exceed uptime requirements by defining and maintaining clear Service Level Objectives (SLOs) derived from Service Level Agreements (SLAs). Using industry best practices, you will establish measurable Service Level Indicators (SLIs) that provide precise, data-driven metrics to evaluate performance against these SLOs. You will continuously monitor and analyse these indicators, including network performance metrics to detect deviations early, enabling proactive incident response and targeted improvements.

You will oversee system and network capacity and performance, manage resource utilisation efficiently, and conduct thorough cost analytics to identify optimisation opportunities.

What you will be doing:

• Ensure PCI DSS compliance and implement best practices such as the latest encryption, access control, documentation and patching to maintain the highest level of security.
• Collaborate with AWS architects to design and implement scalable, secure AWS infrastructure that effectively supports application deployment and operations, providing input and expertise as necessary.
• Establish and advocate for best practices in networking and infrastructure connectivity, enhancing system efficiency and reliability.
• Automate processes using Infrastructure as Code (IaC) tools like Terraform and Env0 to improve operational efficiency and deployment speed.
• Monitor and optimise system performance and security of both on-prem, and cloud resources.
• Scale systems sustainably through mechanisms like automation and evolve systems by pushing for changes that improve reliability and velocity.
• Collaborate with cross-functional teams to align technical strategies with business objectives.
• Perform regular security audits, vulnerability assessments, and business continuity plan (BCP) reviews, collaborate with Infosec to maintain secure platforms and ensure timely implementation of security patches.
• Evaluate and recommend new technologies and tools to enhance platform capabilities and overall performance.
• Develop and maintain comprehensive documentation for systems architecture, processes, and procedures to facilitate knowledge sharing and compliance.
• Maintaining and verifying resilience, availability, and disaster recovery.
• Define, implement, and monitor SLAs by establishing measurable SLOs and SLIs, using data-driven insights to ensure service reliability meets business expectations and proactively address any deviations.

What you will bring:

Essential Criteria:

• Strong expertise in AWS services and architecture (AWS certified Solutions Architect: Associate). Proven experience in contributing to designing, and implementing, and managing scalable and secure cloud infrastructures using AWS tools and services.

• Experience with compliance and security standards: Familiarity with PCI DSS and other relevant security frameworks to ensure the infrastructure meets regulatory requirements and best practices.

• Strong problem-solving, collaboration and incident management capabilities.Strong understanding of observability tooling (monitoring, logging, and alerting).

• Strong understanding of high availability architectures.

• Strong understanding of the AWS Cost Model.

Desirable Criteria:

• Proficiency in scripting and automation: Skills in programming/scripting languages such as Python, Bash, or PowerShell and Terraform for automating tasks and processes.

• Understanding of DevOps practices: Familiarity with DevOps principles and methodologies to enhance collaboration between development and operations teams.

• Strong communication and interpersonal skills: The ability to effectively collaborate with cross-functional teams and convey technical concepts clearly to non-technical stakeholders.

• Ability to comfortably manage senior stakeholders.

• Experience with Agile methodologies. Familiarity with Agile frameworks, such as SAFe, Scrum or Kanban, to support collaborative development and iterative delivery.

• Experience with Atlassian products, such as Jira, confluence, and bitbucket.Good working knowledge of ITIL processes such as change, incident and problem management.

Why Edenred PayTech?

We are a subsidiary of the Edenred group and leaders in prepaid solutions including banking, virtual cards, debit, credit, and prepaid processing.

As an Edenred PayTech employee you will get the support and structure that you need to enjoy your work and develop your career while doing what you love and making a difference in a fast-paced and innovative business.

What you will get:

• 25 days annual leave plus Bank Holidays
• Hybrid working environment (min. 3 days per week in the office)
• Pension Scheme - employer 6% with minimum employee contribution 3%
• Discretionary bonus scheme based on company and personal performance.
• Medical & international travel cover (leisure and action sports)
• Life insurance (4x salary)
• Wellbeing Employee Assistance Program (extended access to family members)
• Holiday trading scheme
• Season ticket loan
• Cycle to Work scheme
• Employee discount shopping platform
• Employee referral bonus scheme
• Digital learning platform
• Complimentary fruit and other ‘in office’ snacks & refreshments
• Volunteering programme
• Social events

Diversity:

Edenred PayTech are proud to be an equal opportunity employer. We will not discriminate against any applicant or employee based on age, race, colour, creed, religion, sex, sexual orientation, gender, gender identity or expression, national origin, citizenship, marital status or civil partnership/union status, disability, pregnancy, genetic information, or any other basis prohibited by applicable country or local laws.

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