Senior Cloud Systems Engineer

Northern Ireland Water Limited; Belfast; Hybrid; GBP 85,000 - GBP 100,000; Full time

Job summary

A global technology firm is seeking a Senior Cloud Operations & Systems Engineer to maintain and optimize cloud infrastructure in a hybrid role based in Dublin. The ideal candidate will have over 5 years of experience in AWS services and be skilled in both Windows and Linux administration. Responsibilities include ensuring system reliability and performance, automating processes, and leading incident response efforts. This position offers a competitive salary, flexible working model, and additional benefits.

Benefits

Competitive Salary up to 100k

Flexible hybrid working model

Bonus

Pension

Health Insurance

Qualifications

• 5+ years of experience with AWS services.
• Strong background in Windows and Linux administration.
• AWS Certification is strongly advantageous.

Responsibilities

• Maintain high availability and performance of core systems through monitoring and incident response.
• Automate lifecycle processes including provisioning, scaling, and decommissioning of cloud resources.
• Lead incident response efforts and contribute to post-incident analysis.

Skills

AWS services (EC2, ECS/Docker, CloudWatch, S3, VPC, RDS, Route53)

Windows administration

Linux administration

Infrastructure as Code (Terraform or CloudFormation)

Scripting with Python, PowerShell, or AWS CLI

Monitoring tools (LogicMonitor, CloudWatch, DataDog)

DNS, networking, and security best practices

Job description

MCS group is proud to be supporting a global firm with a strong Irish presence as they seek a Senior Cloud Operations & Systems Engineer to join their established technology function in Dublin. This role plays a key part in maintaining and optimising cloud infrastructure across a large-scale, international environment.

Hybrid - Dublin City Centre

About the Role

You'll be part of a collaborative global team responsible for ensuring the reliability, scalability, and performance of mission-critical systems. The focus is on automation, resilience, and proactive problem-solving. You'll work closely with cross-functional teams to implement secure, efficient, and cost-effective cloud solutions.

Key Responsibilities

• Maintain high availability and performance of core systems through monitoring and incident response.
• Automate lifecycle processes including provisioning, scaling, and decommissioning of cloud resources.
• Lead incident response efforts and contribute to post-incident analysis and long-term improvements.
• Collaborate with internal teams to enhance system design, security, and operational excellence.
• Provide guidance and clear communication during high-impact events and shifting priorities.

Key Skills & Experience

• 5+ years' experience with AWS services (EC2, ECS/Docker, CloudWatch, S3, VPC, RDS, Route53).
• Strong background in both Windows and Linux administration.
• Solid understanding of web servers (IIS, Apache, or nginx).
• Experience with Infrastructure as Code (Terraform or CloudFormation).
• Scripting ability with Python, PowerShell, or AWS CLI.
• Familiarity with monitoring tools such as LogicMonitor, CloudWatch, or DataDog.
• Strong understanding of DNS, networking, and security best practices.
• AWS Certification is strongly advantageous

Desirable Experience

• Experience with Lambda, CloudFront, and RDS.
• Familiarity with automation/configuration tools such as Ansible, Chef, or AWS SSM.
• Understanding of CI/CD and Agile methodologies.
• Knowledge of caching, database, and backup/recovery technologies.

The Rewards:

• Competitive Salary up to 100k
• Flexible hybrid working model
• Bonus
• Pension
• Health Insurance

To speak in absolute confidence about this opportunity, please send an up-to-date CV via the link provided or contact Calum Omand Specialist Recruitment Consultant at MCS Group 015259641.

Even if this position is not right for you, we may have others that are. Please visit MCS Group to view a wide selection of our current and exclusive roles www.mcsgroup.jobs