Senior Site Reliability Engineer (AWS)

TL;DR

Senior Site Reliability Engineer (AWS): Architecting, securing, and evolving global AWS environments with an accent on availability, performance, disaster recovery, and ISO 27001 compliance. Focus on defining SLIs/SLOs, automating toil elimination, leading incident response, and enforcing secure IaC practices with Terraform.

Location: Remote (Bulgaria, Sofia office context)

Company

IT services company offering diverse projects, internal mobility, and career growth opportunities.

What you will do

• Build and evolve AWS environments meeting strict availability, performance, and disaster recovery standards.
• Own security posture including IAM, VPC segmentation, and ingress/egress controls.
• Lead on-call for P1/P2 incidents with triage, remediation, and stakeholder communication.
• Define SLIs, SLOs, Error Budgets; automate reliability and eliminate operational toil.
• Manage ISO 27001 audits, documentation, and automated evidence.
• Maintain secure CI/CD pipelines and IaC standards with Terraform.

Requirements

• 5+ years hands-on SRE/DevOps experience mastering production AWS environments.
• Proven primary responder and Incident Lead for high-stakes P1/P2 events.
• Deep AWS Shared Responsibility Model, governance, and security best practices knowledge.
• Practical ISO 27001, SOC2 or similar framework support experience.
• Proficient in Terraform IaC and automation scripting (Python/Go/Bash).
• Ability to communicate technical risks and incidents to technical/executive stakeholders.

Nice to have

• Experience in regulated sectors (FinTech, HealthTech).
• Work with SOCs, SIEMs, or MSSPs.
• AWS Cost Optimization (FinOps) expertise.

Culture & Benefits

• Internal mobility, job rotations, diverse projects and technologies.
• Referral program with bonuses; 5/10 Years Club gifts for long-term employees.
• CSR events, team buildings emphasizing accountability, partnership, expertise.
• Education: learning courses, certificates, IT events.
• Multisport, technical/personal training, language courses.
• Employment contract extras: cafeteria, meal contributions, life insurance, event bonuses, volunteering day off.