Security Engineer

About this role

Building Healthcare That Remembers

Every time you call a doctor's office, the system forgets you the moment you hang up. You wait on hold, explain everything from scratch, get bounced between lines, and hope someone follows up. Everyone has felt this, and no one should have to.

At Assort Health, we're building Healthcare That Remembers.

We are creating one continuous conversation for every patient, across every modality: call, text, and message. An AI agent that knows who you are, remembers how you like to be reached, notices when something in your care changes, and carries that context from your first symptom to your full recovery.

Assort is the fastest-growing AI agents company in healthcare. Our omnichannel agents handle calls, texts, and chats from end to end, integrating with EHR and PMS systems and the real-world preferences of every provider so patients reach the care they need without the wait.

What began as the first voice AI agent to schedule a specialty appointment has become a platform spanning scheduling, intake, referrals, document processing, medication refills, eligibility verification, lab requests, and payments. That expansion has been powered by more than 190 million patient interactions, 62,000 care protocols, and 1.6 million decision pathways, creating the largest proprietary specialty dataset in healthcare.

Since launching the first AI agent to answer a patient phone call in 2023, Assort has helped healthcare organizations dramatically reduce hold times, automate administrative work, and improve access to care for millions of patients.

We are growing fast. We went from 15 people in 2025 to 170 today and are doubling again this year. Revenue has grown 20x in the last 15 months.

Backed by Menlo Ventures, Lightspeed, First Round, and other leading investors, Assort has raised more than $222 million, including a recent $120 million Series C. We were named to the 2026 Enterprise Tech 30 as the only healthcare AI company on the list and to the Forbes Cloud 100 alongside OpenAI, Anthropic, Stripe, and Ramp.

Healthcare spends over $1.1 trillion every year on administrative work instead of patient care. We believe AI can change that. The problem is enormous, the timing is right, and we are building the team to solve it.

If you want to help build the system that hundreds of millions of people will rely on to access care, we'd love to meet you.

About the role

We are looking for a Security Engineer to help build and strengthen security foundations from the ground up in a fast-moving startup environment. This is a strong opportunity for someone early in their career who brings a generalist security mindset and is excited to work across product security, infrastructure security, detection and response, and enterprise security. The role is designed for someone who wants meaningful ownership, broad exposure, and the chance to help shape how security operates as the company matures. You will partner closely with teams across the organization, help close foundational gaps, and contribute to building a more robust, continuous security program over time. This role is based in San Francisco and follows a 4-day in-office working model.

What you'll be doing

- Help build the company’s foundational security program across multiple domains, with a focus on practical improvements that strengthen overall security maturity.

- Work on cloud and infrastructure security initiatives, helping identify gaps, improve configurations, and support a secure environment in a primarily cloud-based setup.

- Contribute to detection and response efforts by helping establish monitoring, incident response, and related operational security processes as internal capabilities are developed.

- Support product security work, including reviewing code or infrastructure patterns, identifying security issues, and partnering with engineering on remediation.

- Collaborate with internal stakeholders across the organization to implement security projects, improve coverage, and drive progress on high-priority initiatives.

- Assist with security efforts related to SOC 2 and help translate immediate audit-driven needs into longer-term, sustainable security practices.

- Evaluate and help implement security tooling, with the flexibility to explore a range of approaches, including modern platforms, open-source options, and AI-enabled tools where appropriate.

- Take ownership of hands-on technical work, scripting, and automation tasks that help the team move quickly and reduce manual effort.

What we're looking for

- A security generalist profile with exposure to several areas of security rather than a narrow specialization.

- Strong interest in infrastructure and cloud security, with the ability to understand technical environments and identify meaningful security improvements.

- Comfort working in a fast-paced startup environment where priorities can shift and the workload can be intense.

- A high degree of ownership, autonomy, and initiative, with the ability to make progress in environments that are still being built.

- Willingness to learn quickly, stay open-minded, and adapt to new projects or unfamiliar problem spaces as business needs evolve.

- Ability to work cross-functionally and build productive relationships with teams across the company.

- Good judgment when balancing immediate security needs with longer-term program development.

- A practical, hands-on approach to security work, with interest in solving real operational problems rather than working only at a policy level.

What you'll Need

- Seeking 2–4 years of relevant experience.

- Experience in at least some combination of product security, infrastructure security, detection and response, or enterprise security.

- Background in cloud security is important; experience with GCP is preferred, though candidates with strong AWS experience are also encouraged to apply.

- Ability to perform technical

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