Senior Director of Engineering

1Kosmos•Edison, NJ

8d•Hybrid

About The Position

1Kosmos is seeking a builder-first Senior Director of Engineering to lead engineering for its identity security and passwordless authentication products. The role is hybrid at the company’s Edison, New Jersey headquarters and reports to the SVP of Engineering and Chief Architect. Compensation starts at $225,000, depending on experience. The leader will manage and develop a mid-sized engineering team while staying hands-on with code, system design, infrastructure, architectural decisions, code reviews, and technical problem-solving. They will first take ownership of and understand the existing architecture, then guide its evolution. The role involves working with a cloud-agnostic microservices environment and an agentic technology stack that includes AWS Bedrock, Python, and Node.js, with a focus on agent workflow orchestration, reliability, and security. The Senior Director will partner with product and QA leads to support reliable, zero-downtime delivery and will foster a collaborative, low-ego culture centered on ownership and execution. The position is suited to a technically engaged engineering leader who is comfortable with ambiguity, complex challenges, fast iteration, cross-functional collaboration, and the company’s mission to fight fraud and protect customers.

Requirements

10+ years of software engineering experience.
Recent, hands-on engineering leadership experience at Director or VP level in high-growth B2B SaaS.
Deep, practical experience with Node.js and Java or GoLang.
Hands-on mastery of containerized, cloud-agnostic environments, including Kubernetes and AWS.
Demonstrated experience building and operationalizing autonomous agents and agentic workflows.
Strong understanding of platform security, identity management, compliance, and secure software development practices.
Proven ability to build 0-to-1 systems and take ownership of mature, inherited codebases.

Nice To Haves

Experience with AWS Bedrock.

Responsibilities

Manage, mentor, and develop a mid-sized engineering team while remaining hands-on with code, system design, and infrastructure.
Take ownership of the existing architecture and understand the rationale behind design decisions before making changes or introducing new approaches.
Work hands-on with the agentic stack, optimizing agent workflows, orchestration, reliability, and security.
Drive low latency, high throughput, platform resilience, and enterprise security across the cloud-agnostic microservices environment.
Partner with product and QA leads to ensure reliable, clean, zero-downtime deployments.
Foster a collaborative, low-ego culture emphasizing ownership and execution.