Founding Security Engineer - Build Core IAM Security

Mission.dev; Northern (KY); Remote; USD 180,000 - 230,000; Full time

Benefits offered by this job

Health, dental, and vision insurance

Unlimited PTO

21 paid company holidays

12 weeks parental leave

Visa transfer support (H-1B, TN) and O

Company offsites and team retreats

Job summary

Mission.dev, a stealth-mode startup building a next-generation enterprise identity platform, is remote-first across North America. You will own security across the stack, reporting to a co-founder, with high autonomy to build foundational security programs from scratch and eventually lead security as the company grows.

The role emphasizes embedding security within engineering, threat modeling, and scalable compliance initiatives (SOC 2, ISO 27001, GDPR) while shaping product security, corporate

Qualifications

• 5+ years of experience in security engineering with a strong software engineering foundation.
• Proficiency in Go, with experience shipping production-level code.
• Proven track record in application and product security, including code reviews and vulnerability remediation.
• Experience building security detections and managing incident response processes.
• Proficiency in Python and detection-as-code tools or SIEM platforms.
• Practical experience implementing compliance frameworks like SOC 2, ISO 27001, or GDPR.

Responsibilities

• Establish and manage the end-to-end security posture by embedding within engineering workflows from design to deployment.
• Architect and build foundational security infrastructure, including secrets management, PKI, audit logging, and vulnerability management systems.
• Conduct technical security reviews, threat modeling, and secure design consultations to ensure safe and rapid product development.
• Direct global compliance initiatives such as SOC 2 and ISO 27001 by implementing functional engineering controls.
• Develop incident response processes and detection-as-code capabilities to automate triage and mitigation.
• Oversee a broad scope encompassing product security, corporate security, and initial security team growth strategies.

Skills

Python

Go

Tools

OAuth2

Kubernetes

OpenID Connect

Job description

Mission.dev, a stealth-mode startup building a next-generation enterprise identity platform, is remote-first across North America. You will own security across the stack, reporting to a co-founder, with high autonomy to build foundational security programs from scratch and eventually lead security as the company grows.

The role emphasizes embedding security within engineering, threat modeling, and scalable compliance initiatives (SOC 2, ISO 27001, GDPR) while shaping product security, corporate