Senior PKI, DNS & WAF Edge Security Engineer

Dentsply Sirona; Waltham (MA); On-site; USD 187,000 - 198,000; Full time

Job summary

Dentsply Sirona is seeking a Senior Security Engineer, PKI & Network Edge to own and advance DNS, PKI, and WAF security across the enterprise. You will design, implement, and govern critical edge security controls, balancing protection with operational efficiency.

The role requires 7+ years in cybersecurity engineering, 3+ years in DNS/PKI/WAF, and strong automation and leadership capabilities. Join a security architecture team protecting global internet-facing assets.

Qualifications

• 7+ years of progressive experience in cybersecurity engineering.
• 3+ years across DNS security, certificate/PKI, and WAF.
• Experience designing and operating enterprise-scale edge security controls.
• Experience integrating network and edge security platforms with SIEM/SOC.
• Ability to translate risk into pragmatic engineering requirements and communicate with leadership.

Responsibilities

• Own DNS security and domain governance design and operations.
• Manage enterprise PKI program, certificate lifecycle automation and inventory.
• Lead WAF design, deployment, and tuning with OWASP and API protection.
• Automate control enforcement using scripting and infrastructure-as-code.
• Mentor engineers and collaborate with security leadership on security strategy.

Skills

DNS security

PKI management

WAF engineering

Security automation

Infrastructure as Code

Education

Bachelor’s degree in Cybersecurity/CS/IS/Engineering

Job description

Dentsply Sirona is seeking a Senior Security Engineer, PKI & Network Edge to own and advance DNS, PKI, and WAF security across the enterprise. You will design, implement, and govern critical edge security controls, balancing protection with operational efficiency.

The role requires 7+ years in cybersecurity engineering, 3+ years in DNS/PKI/WAF, and strong automation and leadership capabilities. Join a security architecture team protecting global internet-facing assets.