Mid/Senior System Engineer

Job Description

Antal International is a network of global talent solutions experts, with a vast presence spanning over 140 offices in 35 countries. Antal International has established a strong presence in the Bulgarian market since its inception in 2005 and opened a new office in Bulgaria in 2023. This strategic move demonstrates Antal’s dedication to staying at the forefront of the industry and its unwavering commitment to delivering top-notch recruitment solutions.

We’re currently looking for a Security-Focused System Engineer to join the growing team of our client – a product company, providing smart energy technology solutions with a diverse portfolio of solar, battery and energy ecosystems products.

In this role, you’ll play a key part in safeguarding and managing the infrastructure behind our client’s hybrid cloud platform. If you’re passionate about secure systems design, automation, and high-availability environments, this is your chance to help shape and harden the foundation of our client’s global services.

Your main responsibilities:

• Oversee the operation and protection of Linux and Windows servers in a mission-critical production environment
• Administer virtualization platforms (vSphere/ESXi) and handle traffic routing through NGINX-based load balancing
• Build and maintain identity and access controls using Active Directory, SSO integrations, and PKI/SSL solutions
• Automate infrastructure tasks and workflows with tools like Ansible, Terraform, GitLab, and Jenkins
• Manage a hybrid infrastructure, ensuring seamless operation across on-premise data centers and AWS environments
• Investigate and resolve infrastructure-level incidents and performance bottlenecks
• Foster cross-team knowledge-sharing around system hardening, scalability, and operational excellence
• Continuously assess and enhance our security controls, monitoring, and system resilience

Desired experience, skills and qualifications:

• At least 3 years of experience managing Linux-based infrastructure
• Deep familiarity with VMware technologies (vSphere, ESXi)
• Strong understanding of network-level security, including NGINX, WAFs, and protection against DDoS threats
• Hands-on experience with directory services, SSO, and digital certificate management
• Proven skill with automation and infrastructure-as-code using Ansible, Terraform, and scripting (PowerShell, Bash)
• Ability to work collaboratively in a fast-paced, team-oriented environment
• Strong troubleshooting mindset with a proactive approach to problem-solving
• Fluent in English (spoken and written)

Advantages:

• A degree in Computer Science, Information Systems, or a related technical field
• Exposure to AWS infrastructure services such as EC2, S3, VPC, Route 53, and ALB
• Experience with container technologies like Docker and Kubernetes
• Familiarity with enterprise storage platforms, especially NetApp

Our client offers:

• Excellent remuneration and benefits package (including equity package)
• Full medical insurance
• 24 days paid leave
• Hybrid model of work – 1 day per week at the office
• Opportunity to use cutting-edge technologies
• Professional development
• Great supporting team and environment
• Being part of a global function and global knowledge-sharing

We appreciate all applications, however, only candidates selected for an interview will be contacted.

Note:

We are committed to creating a diverse and inclusive workplace. Qualified applicants from all backgrounds are encouraged to apply. We comply with all applicable national and local laws pertaining to non-discrimination and equal opportunity.

License No: 3529/25.5.2023.