Senior Security Engineer

Job not on LinkedIn

🔥 0 minutes ago

🇺🇸 United States – Remote

💵 $155k - $200k / year

⏰ Full Time

🟠 Senior

👮‍♂️ Cybersecurity / Security Engineer

👻 Ghost score 0%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

Apply Now

Find Similar Remote Jobs

Set Up Email Alert For New Jobs

📊 Check your resume score for this job

Improve your chances of getting an interview by checking your resume score before you apply.

Upload Resume

Lumos

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2020

🔒 Cybersecurity

☁️ SaaS

🤖 Artificial Intelligence

Cybersecurity • SaaS • Artificial Intelligence

Lumos is an autonomous identity platform that uses agentic AI to govern access for humans, non-human identities (NHIs), and AI agents across enterprise environments. The platform (branded around an AI core called Albus) automates identity governance tasks—access reviews, just-in-time access, joiner/mover/leaver lifecycle management, role mining, and NHI discovery/remediation—through always-on AI agents and a marketplace of prebuilt agents. Lumos integrates with hundreds of systems, positions itself as a SaaS solution for enterprise identity/security teams, and emphasizes continuous detection, remediation, audit evidence generation, and reducing manual IT work and standing privileges.

📋 Description

• Design and ship core security platform systems in the Lumos codebase, including request context propagation, scoped API tokens, authorization services, and decoupled authentication from synced identities. • Lead multi-sprint security projects end to end and coordinate with engineers across teams. • Run security architecture reviews and threat models for new products, including the MCP Governance gateway and on-device policy checks. • Turn security findings into tracked, prioritized work. • Drive least-privilege access to production systems, databases, data pipelines, AWS IAM, and secrets. • Triage, route, and fix vulnerabilities from penetration tests, cloud assessments, and dependency scanning; coordinate retests. • Participate in security on-call and incident response. • Answer security questions from customers and prospects. • Build security foundations for Lumos's identity platform and advise customers on security.

🎯 Requirements

• 5+ years of software engineering experience, with at least 3 focused on security (application, product, or platform security). • Track record of designing, shipping, and operating production security systems, including authentication and authorization frameworks, token and session management, secrets management, or audit logging. • Strong backend skills. • Python and TypeScript are a strong plus; Go is welcome. • Clear written communication. • Hands-on experience with threat modeling, secure design review, and finding and fixing vulnerabilities in a real codebase. • Experience securing cloud infrastructure on AWS, including IAM and Infrastructure as Code; equivalent GCP or Azure experience considered. • Nice to have: OAuth 2.0, OIDC, SAML, SCIM, OPA, Zanzibar-style models, Cedar, SOC 2, ISO 27001, IAM, and/or growth-stage startup experience. • Must be eligible to work in the United States or Canada; application asks whether sponsorship is required to work in Canada or the United States.

🏖️ Benefits

• Remote-first culture – Work from anywhere within ±4 hours of Pacific Time. • Medical, dental & vision insurance – 100% of premiums covered for employees, 60% for dependents. HSA and FSA available with employer contribution. International benefits align with local standards. • Mental health support – Access to mental health resources and support. • Monthly wellness stipend – A monthly stipend for gym memberships, fitness apps, and whatever helps you recharge. • Life & disability insurance – Life insurance, short-term disability, and long-term disability coverage available. • Flexible PTO – Flexible time off with a minimum annual requirement. • Parental leave – Up to 16 weeks of paid parental leave for expecting parents. • $1,000 annual learning stipend – An annual budget for courses, books, conferences, and certifications. • Company & team offsites – Company and team bonding trips throughout the year, fully covered by Lumos. • 401(k) with matching – Employer 401(k) matching.