Job Openings Mid/Senior System Engineer

About the job Mid/Senior System Engineer

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.

Were 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, youll play a key part in safeguarding and managing the infrastructure behind our clients 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 clients 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.