Research And Development Manager

About the Role

CalCom is seeking a visionary and hands-on R&D Manager to lead our engineering efforts and drive the technical evolution of our flagship cyber product focused on automated device hardening.

This is a hybrid leadership + hands-on role, combining ownership of product development with direct responsibility for complex customer environments and production support. You will bridge the gap between strategy, execution, and real-world deployments, ensuring our solutions perform reliably in enterprise environments.

You will work closely with the Product team to translate product vision into scalable, secure, and high-performing systems—while also ensuring strong support for existing customers and deployments.

With AI tools rapidly shifting the R&D landscape, you will also lead and orchestrate our AI transformation into aligning our product development to advance and adopt rapid development models.

• Lead and mentor the R&D team, fostering a culture of ownership, quality, and accountability
• Own the full software development lifecycle, from design to deployment and maintenance
• Work closely with Product and Architecture to translate roadmap into scalable, secure solutions
• Provide hands-on support to enterprise customers, especially in Linux-based environments
• Troubleshoot complex production issues, including failures caused by hardening, upgrades, or infrastructure changes
• Support and oversee deployments at key customers, ensuring stability and performance
• Manage environments across Windows and Linux (multiple flavors), including application operation on Windows systems
• Work with enterprise technologies such as Active Directory, SQL, and IIS
• Write and maintain scripts (PowerShell, VBScript) as needed
• Balance urgent customer needs with long-term product and architectural improvements

• 5+ years of experience in R&D leadership roles, preferably in cybersecurity or enterprise software
• Strong hands-on experience with Windows and Linux environments (including hardening and IT Administration)
• Knowledge of CIS Benchmarks
• Proven ability to support enterprise customers worldwide and troubleshoot complex system issues
• Experience working with AI tools, Active Directory, SQL, IIS, and scripting tools (PowerShell, VBScript)
• Strong leadership skills with a hands-on, problem-solving mindset
• Ability to operate under pressure and manage both development and production challenges
• Excellent communication skills in Hebrew and English
• B.Sc. in Computer Science or a related field (M.Sc. – advantage)

This role requires a rare combination of deep technical expertise, customer-facing capability, and leadership. The ideal candidate will be comfortable operating across development, infrastructure, and real-world production environments.

CV’s please send to [email protected]