Senior System Engineer

Pearson Carter; Dundee; On-site; GBP 60,000 - 70,000; Full time

Benefits offered by this job

Annual performance bonus

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 development

Supportive environment

Job summary

Pearson Carter are supporting a leading UK organisation to recruit a Senior System Engineer for a fully remote role with an on-site Scotland office option. The role focuses on ownership of AWS infrastructure, Linux production environments, and modern CI/CD practices.

You will work across nginx/Apache, Redis, OpenSearch/Elasticsearch, and security services (CDN/WAF) with Terraform/Ansible automation and Bitbucket Pipelines, contributing to reliability and efficiency in a 24/7 on-call environment.

Qualifications

• At least 5 years in DevOps, Systems Engineering, Infrastructure or Senior Systems Administration.
• Extensive hands-on Linux and production environment experience.
• Strong AWS knowledge with EC2, VPCs and load balancers.

Responsibilities

• Manage day-to-day AWS infrastructure operations (EC2, VPCs, load balancers, networking).
• Maintain and improve production Linux environments for critical apps and services.
• Develop and maintain IaC using Terraform and Ansible; ensure repeatable environments.
• Support CI/CD processes and tooling (Bitbucket Pipelines).
• Monitor performance and reliability with Zabbix, CloudWatch, Pingdom, New Relic; perform root-cause analysis.

Skills

AWS

Linux

Terraform

Ansible

Python

Bash

CI/CD

Cloud/Infra Automation

Networking

On-call

Tools

Terraform

Ansible

Bitbucket Pipelines

Nginx/Apache

Redis

OpenSearch/Elasticsearch

Job description

Senior System Engineer

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.

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.

Responsibilities

• 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.

Experience

• 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

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

Location

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

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

Benefits

• 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.