Senior DNS Security Engineer
Deloitte CESofia, Sofia-City, Bulgaria
Posted March 28, 2026
Full Time
About the Company
Deloitte is a variety of people, experience, industries and services we deliver in 150 countries of the world.
Job Description
Senior DNS Security Engineer position to lead a Proof of Concept (POC) initiative focused on implementing and validating DNSSEC and DNS-over-TLS (DoT) within an enterprise-grade environment.
Requirements
- Strong expertise in DNS protocols, including: DNS fundamentals, DNSSEC (signing, validation, key management), DNS-over-TLS (DoT), TSIG authentication
- Hands-on experience with Ansible for: DNS server deployment, configuration management and automation, solid understanding of network security principles
- Experience with Cisco Umbrella or similar DNS security solutions
- Excellent technical documentation and reporting skills
- Ability to translate complex findings into clear, structured outputs
- Experience creating data visualizations for technical and non-technical audiences
Benefits
- Flexibility to work from home or from our office in Sofia
- Opportunities for professional growth, including mentoring, conferences, training, and certification
- Supportive, collaborative, and motivational work environment
- Involvement in the development of innovative applications
- Full-time role with flexible working hours
- Wide range of benefits
