Principal Software Engineer

Company Description

About CyberArk:

CyberArk (NASDAQ: CYBR), is the global leader in Identity Security. Centered on privileged access management, CyberArk provides the most comprehensive security offering for any identity – human or machine – across business applications, distributed workforces, hybrid cloud workloads and throughout the DevOps lifecycle. The world's leading organizations trust CyberArk to help secure their most critical assets. To learn more about CyberArk, visit our CyberArk blogs or follow us on X, LinkedIn or Facebook.

Job Description

As a Principal Software Engineer, you will be the technical authority for a Windows/.NET–centric, on‑premises product area. You will shape architecture and coding standards, solve complex platform problems, and mentor engineers while partnering with Product and Architecture to deliver secure, robust features customers can deploy and operate inside their own data centers.

Responsibilities

Technical Leadership & Architecture

• Own the architecture for Windows‑based services and components: service boundaries, protocols, data model, installation/upgrade paths, and operability.
• Define and enforce .NET coding standards (performance, reliability, memory, threading, diagnostics)
• Lead code and design reviews.
• Drive security‑by‑design across the stack: secrets handling, least privilege, certificate lifecycle, hardening, and secure defaults.
• Lead cross‑team initiatives to modernize the Windows/.NET stack, ensuring backward compatibility for enterprise customers.
• Performance and reliability, Design diagnostics/logging/supportability for customer managed/restricted environments.

Delivery & Quality

• Guide end‑to‑end delivery for major features: technical design, implementation, test strategy, installer changes, upgrade/migration, documentation.
• Ensure performance/security requirements are specified, measurable, and met before release.

Collaboration & Influence

• Partner with Product, UX, and Architects to tie technical decisions to clear customer outcomes.
• Unblock cross‑team dependencies and provide hands‑on mentoring to senior/staff engineers.

Qualifications

• 10+ years building on‑prem Windows/.NET enterprise software or equivalent.
• Expert‑level C#/.NET skills and proven experience modernizing .NET codebases while maintaining backward compatibility.
• Deep experience with MSI/WiX, Windows Services, and enterprise deployment/upgrade patterns.
• SQL Server expertise from an application perspective (migrations, performance).
• Mastery of diagnostics on Windows and performance engineering.
• Demonstrated technical leadership: setting standards, mentoring, and leading cross‑team initiatives.
• Experience reading and implementing RFC documents

Nice to Have

• Experience with HSMs; code‑signing pipelines; FIPS modes.
• Strong applied security: x509/PKI, TLS, Windows hardening, secrets protection.
• Strong understanding of data serialization standards, including ASN.1 and related encoding rules
• Experience hardening products for regulated industries (e.g., financial services, government).
• Knowledge and experience with Post-Quantum Cryptography
• Experience troubleshooting using WinDbg
• UI/UX development experience

Additional Information

CyberArk is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, creed, sex, sexual orientation, gender identity, national origin, disability, or protected Veteran status.

We are unable to sponsor or take over sponsorship of employment Visa at this time.

The salary range for this position is $156,000 – $219,000/year, plus commissions or discretionary bonus, which will be based on the employee's performance. Base pay may also vary considerably depending on job-related knowledge, skills, and experience. The compensation package includes a wide range of medical, dental, vision, financial, and other benefits.