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Senior Linux Infrastructure Engineer with AWS and Terraform experience (L3) @ Experian

Sofia, Sofia City Province, bgOnsiteFull-timePosted 29 days ago

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About this role

We are looking for a Senior Linux Infrastructure Engineer with AWS and Terraform experience to support and evolve Linux-based infrastructure across on-premise, AWS, and hybrid environments. This role combines hands-on operational ownership of enterprise Linux platforms with the ongoing standardization and automation of infrastructure using Terraform and related tooling. You will help ensure secure, reliable, and scalable environments while contributing to the gradual reduction of manual operations and legacy platform dependencies over time. The environment includes a mix of on-premise, AWS-hosted, and hybrid infrastructure, with some legacy virtualization and operational processes still in place as our platforms continue to mature.

You will report to the respective Delivery lead.

You will:

Perform L3 administration of Linux environments (Red Hat Enterprise Linux, SUSE, Amazon Linux, or equivalent)

Automate Linux and cloud operational tasks using Shell scripting, Ansible, and Python to improve efficiency, reliability, and consistency

Support and operate Linux workloads hosted on AWS, including compute, storage, networking, and OS-level configuration.

Implement OS hardening and configuration compliance in collaboration with Security and Compliance teams

Monitor system performance and availability; respond to incidents and participate in major incident (P1/P2) management and on-call rotations

Manage system services, including systemd services, cron jobs, logging, and performance tuning

Design, provision, and manage AWS-based Linux infrastructure using Terraform, following Infrastructure as Code best practices

Design reusable Terraform modules to support infrastructure provisioning and standardization

Demonstrate working awareness of VMware/vSphere environments, including provisioning concepts, snapshot usage, and basic platform-level troubleshooting, as part of supporting a hybrid infrastructure landscape

Participate in change management, capacity planning, documentation, and continuous improvement initiatives

What you will bring:

5+ years of experience in Linux system administration, including support for Linux workloads in AWS environments

Strong experience in enterprise Linux administration (RHEL, SUSE, Amazon Linux, or equivalent)

Hands-on experience with Terraform for infrastructure provisioning, including reusable module development

Experience with OS patching, upgrades, lifecycle management, and advanced troubleshooting

Experience automating infrastructure and operational tasks using Shell scripting, Ansible, or Python

Working knowledge of AWS infrastructure concepts, including networking, security, storage, and access control

Exposure to hybrid infrastructure environments, including VMware/vSphere

Experience working within ITIL-aligned infrastructure or cloud operations teams

Fluency in English

We consider it an advantage if you also have:

Linux or AWS certifications (e.g., Red Hat, AWS Associate/Professional)

Experience working in hybrid or multi-account AWS environments

Exposure to monitoring, logging, and observability platforms

Experience with security hardening, vulnerability remediation, and compliance frameworks

What you will get:

Personal Development - career pathway for professional growth supported by learning and development programs and unlimited access to online educational training courses, learning materials & book.Work environment - excellent work conditions with friendly environment, recognized team spirit, and fun and quality recreation time.Social benefit package including life insurance, food vouchers, additional health insurance, monthly flex allowance and internet coverage, corporate discounts, marriage and childbirth / adoption allowance, Multisport card, Sharesave plan, Employee assistance program, а birthday gift and many other benefits!Work-life balance - 25 days paid vacation, 1 additional day off for your birthday and extra 3 paid days for participation in Social responsibility event.Opportunity for Flexible working hours and Home Office.Experian is an Equal opportunity employer. Everyone can succeed at Experian and bring their whole self to work, irrespective of their gender, ethnicity, religion, color, sexuality, physical ability or age. If you have a disability or special need that requires accommodation, please let us know at the earliest opportunity.

Experian Careers - Creating a better tomorrow together

Find out what its like to work for Experian by clicking here

Experian Careers - Creating a better tomorrow together

Find out what its like to work for Experian by clicking here

Skills

TechnologyInformation TechnologyNot ApplicableInformation Technology And Services

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