Note: The job is a remote job and is open to candidates in USA. Oxenham Group's client is seeking a Senior Site Reliability Engineer to lead and continuously improve operational practices for AWS-based cloud infrastructure. The role owns cloud architecture initiatives, infrastructure automation, reliability, observability, incident response, cost optimization, and production engineering improvements while mentoring engineers and collaborating across technical teams.
Responsibilities
- Contribute to the design, evolution, and operational health of a large-scale AWS environment, including architecture standards and best practices
- Design, implement, and optimize AWS-based infrastructure using services such as EC2, ECS or EKS, Lambda, RDS, S3, IAM, VPC, and CloudWatch
- Build and manage cloud infrastructure using Infrastructure as Code tools such as Terraform, CloudFormation, or equivalent
- Lead new platform implementations and major reliability initiatives as a subject matter expert in AWS and SRE practices
- Monitor, analyze, and optimize cloud spend while balancing performance, reliability, and cost efficiency
- Apply and mature SRE principles to improve system availability, scalability, performance, security, and observability
- Design and implement automation to reduce operational toil and improve system efficiency
- Provide advanced operational support for cloud-hosted and hybrid platforms
- Define and improve monitoring, alerting, logging, and incident response practices
- Lead complex production incidents, perform root cause analysis, and drive corrective and preventive actions
- Mentor junior and mid-level engineers through technical guidance and best practice leadership without direct people management
- Collaborate with engineering, QA, security, and business teams to embed reliability throughout the software delivery lifecycle
- Ensure systems and data handling meet applicable legal, regulatory, and security requirements
- Improve production engineering processes including change management, observability, incident response, disaster recovery, capacity planning, performance tuning, and deployment automation
- Participate in a sustainable on-call rotation and help reduce alert fatigue over time
- Act as a change agent for long-term technical strategy by identifying risks, dependencies, and improvement opportunities
Skills
- • Bachelor's degree in Computer Science, Information Systems, Engineering, or equivalent practical experience
- • Seven or more years of experience delivering technical solutions in production environments
- • Three or more years of hands-on Site Reliability Engineering experience
- • Extensive experience designing, operating, and scaling production AWS environments
- • Strong expertise with Infrastructure as Code and modern cloud deployment patterns
- • Proven ability to diagnose and resolve complex issues in distributed systems
- • Experience leading incidents and driving post-incident improvements
- • Ability to work independently, prioritize effectively, and manage multiple initiatives
- • Strong written and verbal communication skills with both technical and non-technical stakeholders
- • AWS certifications such as Solutions Architect, DevOps Engineer, or SysOps Administrator
- • Experience working in regulated industries such as healthcare or financial services
- • Familiarity with modern application stacks including CI and CD pipelines, version control systems, observability platforms, containerization, orchestration technologies, and identity and access management solutions
- • Experience working in Agile or Scrum-based delivery environments
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