Sr Staff Software Engineer

Senior Staff Software Engineer (AppSec) Tel Aviv 

We are looking for a Senior Staff Software Engineer to join the AppSec engineering team in Armis R&D and lead it from the inside. 

The team builds Armis Centrix for Application Security an AI-native AppSec product built from the ground up over the past year and now growing into a core product line. You get the best of both worlds: a small autonomous team that owns its product end to end backed by the data expertise and stability of Armis and ServiceNow engineering. If you love taking a product from its first customers to enterprise scale own outcomes end to end and raise the bar for the people around you this is for you. 

What Youll Do 

Lead From the Code: Be a technical lead in the team hands-on in architecture design and the critical paths of the codebase with the accountability that comes with it. 

Build Agentic AppSec: Design and build LLM-based agents and pipelines that analyze real-world codebases at scale: orchestration tool use context engineering and the deterministic components that do what models shouldnt. 

Make AI Trustworthy: Own evaluation-driven development: the evaluation harness golden datasets regression gates in CI and cost and latency tracking so every pipeline change is measured before it ships. 

Own the Backend & AI Architecture: Design robust multi-tenant microservice cloud environments with security by design as the default. 

Run the Teams Rhythm: Drive planning estimation and delivery of commitments; turn designs into clear estimated work that engineers own. 

Grow People: Mentor review designs and code and set engineering standards with a growth path into formal team leadership as the team scales. 

Engage Beyond the Code: Work directly with product customers support sales and leadership to gather real-world insight unblock fast and align technical direction with the business. 

Collaborate Globally: Work closely with engineers and stakeholders across Israel the US Canada and India. 

Qualifications :

• 8 years of deep backend/systems experience strong Python and real production experience in a multi-tenant microservice cloud environment

• Must: hands-on experience building LLM-based agents or agentic pipelines in production: orchestration tool use context engineering model selection cost and latency at scale

• Must: hands-on experience evaluating them: an evaluation harness golden datasets or benchmark suites you built or owned and you can explain how you knew a change made the system better rather than different

• A track record of owning outcomes end to end from early stage to scale including a commitment that went wrong and what you did about it

• A security engineering mindset: tenant isolation access control and secure design are non-negotiable to you

• Technical leadership experience as a tech lead or team lead with the intent to keep your hands in the code. Formal management experience is a plus

• An All-Around Player: independent execution-focused and happy to build whatever it takes

• Excellent English for working effectively across time zones

Additional Information :

Work Personas

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Equal Opportunity Employer

ServiceNow is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race color religion sex sexual orientation national origin age disability gender identity  veteran status or any other category protected by addition all qualified applicants with arrest or conviction records will be considered for employment in accordance with legal requirements. 

Accommodations

We strive to create an accessible and inclusive experience for all candidates. If you require a reasonable accommodation to complete any part of the application process or are unable to use this online application and need an alternative method to apply please contact for assistance. 

Export Control Regulations

For positions requiring access to controlled technology subject to export control regulations including the U.S. Export Administration Regulations (EAR) ServiceNow may be required to obtain export control approval from government authorities for certain individuals. All employment is contingent upon ServiceNow obtaining any export license or other approval that may be required by relevant export control authorities. 

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Remote Work :

No

Employment Type :

Full-time