Senior System Engineer

The successful candidate will play an important role in maintaining a reliable, secure and scalable technology estate. You’ll be working extensively with AWS, Linux, infrastructure automation, networking, CDN and WAF platforms, monitoring technologies and modern CI/CD processes. You’ll also work alongside software development and other technical teams to improve reliability, performance and operational efficiency.

This is a fantastic opportunity for an experienced infrastructure professional to join an established organisation and make a genuine impact on its technology environment.

Get in touch if you’re looking for your next opportunity!

• Take responsibility for the day-to-day operation and ongoing development of the organisation’s AWS infrastructure, including EC2, VPCs, load balancing and associated networking components.
• Administer, troubleshoot and improve production Linux environments supporting a range of critical applications and services.
• Work with technologies including nginx, Apache, Redis, MariaDB/RDS, PostgreSQL and OpenSearch/Elasticsearch.
• Configure, maintain and continually optimise CDN and web application security services across Akamai and Cloudflare.
• Develop and maintain infrastructure through Terraform and Ansible, ensuring environments remain consistent, repeatable and well managed.
• Support the delivery and enhancement of CI/CD processes, including Bitbucket Pipelines.
• Monitor infrastructure performance, availability and application health using tools such as Zabbix, AWS CloudWatch, Pingdom and New Relic.
• Respond to infrastructure and production issues, carrying out detailed troubleshooting and root-cause analysis before implementing preventative improvements.
• Identify opportunities to reduce manual intervention and improve operational efficiency through scripting and automation.
• Use Python and Bash to develop tools and scripts that simplify recurring infrastructure and support tasks.
• Contribute to infrastructure resilience, security and performance improvements across the wider technology estate.
• Take part in the organisation’s 24/7 out-of-hours on-call rotation.

Pearson Carter are working with a leading organisation that continues to expand its internal technology and infrastructure capabilities. As part of this ongoing investment, they are now seeking a highly capable Senior System Engineer to take ownership of key areas of their production environment and help drive improvements across their cloud and deployment infrastructure., * At least 5 years’ commercial experience within a DevOps, Systems Engineering, Infrastructure or Senior Systems Administration position.

• Extensive hands-on experience supporting Linux servers and production environments.
• Strong knowledge of AWS, with practical experience across services such as EC2, VPC and load balancers.
• Experience working with production web and database technologies, including nginx, Apache, Redis, MariaDB/RDS, PostgreSQL and OpenSearch/Elasticsearch.
• Proven experience implementing infrastructure as code, particularly using Terraform.
• Practical Ansible experience and an understanding of configuration management and automated provisioning.
• Comfortable writing automation scripts using Python and Bash.
• Previous responsibility for CDN and WAF platforms, with Akamai experience being particularly beneficial.
• Good understanding of CI/CD principles and experience working with Bitbucket Pipelines or comparable tooling.
• Experience diagnosing production incidents and applying structured root-cause analysis to prevent repeat issues.
• Strong analytical and troubleshooting abilities, combined with clear communication and a practical approach to problem solving.
• Able to manage priorities effectively, work autonomously and remain calm when dealing with production-critical issues.
• Comfortable working as part of a rotating 24/7 on-call schedule.

Salary is dependent on experience and will go up to £70k.

This role is fully remote but have an office in Scotland.

Applicants must have the legal right to work in the UK.

• Annual performance bonus.
• Employee profit share.
• Company pension.
• Health & wellbeing programme.
• Casual dress.
• Company events.
• Cycle to Work scheme.
• Free on-site parking.
• Referral programme.
• Sick pay.
• Ongoing training and professional development.
• Supportive and collaborative working environment.