Lumos
Senior Security Engineer
$155K–$200K
United States · Remote · Senior · Full-time · Posted Oct 27, 2026
- Experience
- 5+ years of software engineering experience, with at least 3 focused on security.
About the job
Build and operate security foundations for Lumos’s identity platform, including core security systems, infrastructure protections, vulnerability response, and customer security support.
What you'll do
- Design and ship security platform systems such as authorization services, scoped API tokens, and cross-service request context.
- Lead security projects, architecture reviews, and threat modeling; prioritize and coordinate follow-up work.
- Protect production systems, remediate vulnerabilities, and participate in security on-call, incident response, and customer security discussions.
What they ask for
- 5+ years of software engineering experience, including at least 3 years focused on application, product, or platform security.
- Experience designing, shipping, and operating production security systems.
- Hands-on threat modeling, secure design review, and vulnerability remediation in a real codebase.
- Experience securing cloud infrastructure, including IAM and Infrastructure as Code; equivalent GCP or Azure experience is considered.
Nice to have
- Python and TypeScript; Go is welcome.
- Identity protocols, policy engines, SOC 2 or ISO 27001 environments, IAM background, or growth-stage startup experience.
Pay
$155,000 - $200,000 USD base salary
Tools
Python, TypeScript, Go, AWS, GCP, Azure, OAuth 2.0, OIDC
Model-written summary · the original posting is authoritative