About Sirma 
Established in 1992, Sirma is one of the leading IT companies in Bulgaria. Since 2015, the company has been listed on the Bulgarian Stock Exchange.
Sirma specializes in software development across multiple industries, including finance, insurance, healthcare, transportation, logistics, hospitality, retail, and e-government. With a team of more than 800+ professionals, the company delivers cutting-edge software solutions tailored to address the specific business needs and challenges of our clients. Our projects range from short engagements to multi-year collaborations on turnkey products.
As we believe that our employees are our greatest asset, we provide them with a collaborative environment and full support for their career and personal growth.

About the role
We are seeking a Technology Platform Lead for the Financial Industry Vertical (SFIV). He is accountable for platform direction, evolution, and orchestration in alignment with the III doctrine (Intent–Intelligence–Interaction), enabling adaptive, intelligence-driven operations across infrastructure, cloud, security, and AI-enabled systems

Your responsibilities
Infrastructure architecture & planning
Define, maintain, and continuously improve the IT infrastructure architecture and roadmap. Contribute to global consolidation initiatives, plan data center and cloud strategies, and evaluate new technologies to improve operations, security, scalability, and cost-efficiency.
Cloud & identity services
Administer and support Microsoft 365, Azure, Active Directory, and Microsoft Entra ID. Manage SSO and identity federation, including SAML, OIDC, and OAuth, and design secure Azure cloud networking for hybrid environments.
Network & security management
Administer and secure network environments, including NGFW solutions such as Cisco Firepower, Palo Alto, and Fortinet. Configure and maintain VPN, IPS/IDS, VLANs, access controls, and LAN/WAN environments. Support vulnerability management, patching, and infrastructure hardening activities.
Server & virtualization administration
Manage physical and virtual server environments, including VMware ESXi and Proxmox. Design and maintain high availability and disaster recovery solutions. Handle daily operations such as patching, monitoring, troubleshooting, performance optimization, and capacity planning.
Application & platform administration
Administer self-hosted platforms such as GitLab, Redmine, and SVN. Support CI/CD processes, Docker/Kubernetes environments, and infrastructure-as-code practices. Maintain Linux environments, including RHEL and Ubuntu, as well as MySQL and PKI/SSL/TLS infrastructure.
Internal & client systems support
Ensure high availability and reliability of internal and client-facing infrastructure. Collaborate with project teams and client IT teams on capacity planning, environment provisioning, troubleshooting, incident response, and escalation processes.
Compliance, documentation & reporting
Support alignment with ISO 27001, GDPR, NIS2, and DORA requirements. Maintain network diagrams, SOPs, recovery runbooks, and technical documentation. Report infrastructure status, risks, and improvement areas to vertical leadership and corporate IT stakeholders.
Collaboration & vendor management
Represent the vertical in corporate IT and security discussions. Align infrastructure projects with global standards and company policies. Manage vendor relationships, monitor SLA compliance, and lead cross-functional response during critical incidents.

Role's requirements
• 3–5 years of experience in IT infrastructure engineering, systems administration, or a related role
• Experience in a regulated and/or financial services environment is highly desirable, with an understanding of compliance obligations and the operational rigor required in such industries
• Hands-on expertise across core infrastructure domains, including enterprise networking, IT security (firewalls, identity management, etc.), cloud services (especially Microsoft Azure and M365), virtualization platforms, and server administration
• Proven experience contributing to significant infrastructure projects (consolidations, migrations, digital transformations), preferably across multiple locations or business units
• Hands-on experience with CI/CD pipelines (Jenkins) and containerized environments (Docker, Kubernetes)
• Working knowledge of relevant information security and resilience frameworks (e.g., ISO 27001, NIS2, GDPR, DORA) and ability to apply their principles to infrastructure operations and risk management
• Strong skills in technical documentation and diagramming, with the ability to create clear, useful documentation for operational use and compliance audits
• Familiarity with modern DevOps and automation tools (including containerization and orchestration platforms like Docker and Kubernetes, and CI/CD pipelines like Jenkins or GitLab CI/CD) as they apply to infrastructure management
• Experience with enterprise backup and recovery solutions (e.g., Veeam, Commvault, or similar) and a commitment to ensuring business continuity and disaster recovery readiness.
• Excellent communication skills, able to collaborate with cross-functional teams
• Bachelor's degree in Computer Science or a related degree
• Excellent verbal and written English

What we offer
• Personal career path
• Individual or team professional training
• Flexible working time
• Cooperation with top professionals around the globe
• Regular performance assessment
• Additional health and dental insurance
• Additional paid vacation days for students
• Regular team buildings and office parties
• Private parking zone
• Multisport card
• Game and relax zone

Why Sirma should be your choice
• Knowledge sharing
• Interesting case studies
• Referral bonus scheme
• Working with cutting-edge technologies
• Innovative and dynamic projects
• Sport events
• Charity campaigns
• Fruits at the office
• Opportunity to work from any Sirma office
• Large terrace with great view

Apply now!
We are waiting for your CV!
There’s a lot going on at Sirma!
We're looking forward to meeting our next colleague. :)

We will contact only the candidates selected for further consideration. Confidentiality is guaranteed. We thank all candidates for applying.