Application Security Engineer III

Position Summary

The Application Security Engineer III serves as the technical lead for cybersecurity compliance and secure product development initiatives, with primary responsibility for achieving and maintaining Department of Defense (DoD) Authorization to Operate (ATO) certifications under the Risk Management Framework (RMF). This role partners closely with Software Engineering, Systems Engineering, Quality, Regulatory, and Product Management teams to ensure products meet cybersecurity requirements throughout the development lifecycle.

• Lead and maintain DoD Authorization to Operate (ATO) certifications.
• Serve as the primary cybersecurity contact for DoD-related projects.
• Manage RMF compliance activities, including STIG and SCAP scanning, POA&M management, and risk mitigation planning.
• Author and maintain cybersecurity documentation, risk analyses, and compliance reports.
• Support certification audits, renewals, and customer‑facing cybersecurity reviews.

• Verify cybersecurity requirements through testing, documentation, and validation activities.
• Partner with engineering teams to implement secure development practices.
• Support threat modeling, vulnerability management, and security testing throughout the SDLC.
• Participate in product security reviews and provide risk mitigation recommendations.

• Design and maintain Dev Sec Ops  pipelines with automated security testing and vulnerability scanning.
• Support secure CI/CD practices and compliance monitoring.
• Establish and maintain cybersecurity lab environments and test infrastructure.

• Collaborate with R&D, Quality, Regulatory, IT, Operations, and Product Management teams.
• Communicate cybersecurity risks, requirements, and recommendations to technical and non‑technical stakeholders.
• Participate in customer meetings, technical reviews, and occasional on‑site visits.

• Bachelor's degree in Computer Science, Cybersecurity, Information Systems, or a related technical field.
• 5+ years of cybersecurity experience (4+ years with a Master's degree).
• Experience supporting application, product, or embedded cybersecurity in regulated industries such as medical devices, defense, or aerospace.
• Hands‑on experience with DoD RMF, STIGs, SCAP tools, and POA&M management.
• Knowledge of NIST frameworks, including NIST 800‑53 and NIST 800‑171.
• Experience with secure software development, vulnerability management, risk assessment, and Dev Sec Ops  practices.
• Experience with Windows and Linux hardening, network security, and system compliance validation.
• Strong communication, analytical, organizational, and problem‑solving skills.

• Experience obtaining or maintaining DoD ATO certifications.
• Knowledge of FDA cybersecurity guidance and medical device security standards.
• Certifications such as CISSP, Security+, CEH, or GSEC.
• Experience with cloud security, container security, and automated testing frameworks.
• Experience working in Linux, Windows Server, virtualized environments, and network security architectures.
• Master's degree in a related technical discipline.

Travel:
Up to 10%.

Physical Requirements:

Ability to sit for extended periods and lift equipment up to 20 pounds occasionally.

Work Environment:
Fast‑paced, collaborative environment supporting highly regulated medical technology products.

• Medical / Dental / Vision including a state‑of‑the‑art wellness program and pet insurance.
• Up to 8 weeks of 100% paid company parental leave; includes maternal/paternal leave, adoption, and fostering of a child.
• 401(k) retirement savings plan providing a match of 60% of the employee’s first 6% contribution (up to IRS limits).
• Section 125 Flexible Spending Accounts.
• Life, STD, LTD & LTC Insurance.
• Tuition pre‑reimbursement up to $5,250 per year.
• Fitness reimbursement of up to $200 annually.
• And much more.

MA Applicants:
It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

KARL STORZ is committed to maintaining a safe work environment for our employees and customers. Most field‑based roles at KARL STORZ require hospital credentialing/health screens as a condition of employment. Credentialing can include required vaccinations, health screens & other requirements as outlined by our customers. During the interview process, we encourage you to ask how credentialing/health screens may impact the role you are seeking and if you require any reasonable accommodations regarding these requirements.