---
title: 'Sr. Security Engineer (AI) at Hi Marley'
canonical: 'https://feeny.ai/job/sr-security-engineer-ai-hi-marley-boston-s9a5azreskxq'
type: 'job'
last_seen: '2026-09-11'
---

# Sr. Security Engineer (AI) at Hi Marley

- **Company:** Hi Marley
- **Location:** Boston, MA
- **Work type:** hybrid
- **Posted:** 2026-07-07
- **Last confirmed live:** 2026-09-11
- **Apply:** https://www.himarley.com/job-openings?gh_jid=7797960003

## Job description

Insurance touches people during some of the most challenging moments in their lives. Hi Marley is on a mission to transform how the P&C industry communicates, making those moments faster, easier, and more empathetic for carriers and the customers they serve. We build AI-powered software that keeps everyone in the claims conversation informed and connected. If you believe insurance can combine operational excellence and automation with a human touch, we’d love to meet you.

As we continue to grow, we’re looking for a Sr. AI Security Engineer. Hi Marley is building an AI-native operating model: personal agents, team agents, MCP connectors, and AI deeply integrated into how we build, sell, and serve enterprise insurance carriers.

We’re looking for a Sr. AI Security Engineer to help secure how we use AI across the company, with a primary focus on Hi Marley’s internal AI environment: the tools, agents, and integrations that power how our teams work. Working within the security architecture and frameworks set by our senior security leadership, you’ll do the hands-on engineering that makes them real: threat-modeling new AI capabilities, running adversarial testing, operating the agent and MCP connector review process, and producing the evidence that lets leadership, our teams, and our auditors trust how we use AI. This role is for an experienced security engineer with genuine AI/ML depth who wants to go deep on one of the most important emerging problems in the field. Teamwork and shared enthusiasm are a core part of our culture, which is why this role involves joining us in the Boston office for 3 days each week.

What You’ll Do:

AI Security Engineering & Threat Modeling

- Apply Hi Marley’s AI security design patterns and reference architectures to LLM integrations, agent frameworks, MCP connectors, and data pipelines across the internal environment.
- Lead threat modeling for new AI capabilities before they ship, identifying architectural risks and driving mitigations into the design phase.
- Implement and enforce controls for agent isolation, least-privilege execution, credential scoping, and data-boundary enforcement in agentic environments.
- Maintain a current inventory of AI tools and integrations in use across the organization, tracking data flows, permission scopes, and access controls.
- Track emerging AI security research, attack techniques, and defensive tooling, and bring relevant findings into our practices.

AI Security Program Execution

- Run the risk assessment process for internal AI tools, integrations, and third-party model providers against the established methodology.
- Execute the AI red-teaming cadence (e.g. adversarial testing for prompt injection, data exfiltration, model manipulation, and jailbreaking) and drive remediation.
- Operate the agent and MCP connector lifecycle, from proposal through approval, deployment, monitoring, and retirement.
- Own the security evaluation of new AI tool requests, including vendor risk assessments, data-handling reviews, and baseline configuration; surface unapproved tools and bring them under governance.
- Maintain AI security incident response runbooks and help respond when something goes wrong.
- Track and report AI security metrics that demonstrate program health.

Trust, Compliance & Collaboration

- Produce compliance evidence and documentation for AI systems supporting SOC 2 Type II examinations and ISO 42001 certification.
- Translate technical decisions into clear, auditor-ready explanations of what we do, how it works, and why it is safe.
- Partner with AI Operations and Corporate IT to embed security into the internal AI platform: access controls for inference APIs, isolation for cloud-hosted agentic workloads, and endpoint/DLP configuration.
- Contribute employee-facing guidance on safe AI use.

What We’re Looking For:

Required

- 5+ years in security engineering, application security, or infrastructure security, with hands-on exposure to AI/ML systems.
- Experience securing or building LLM-based systems, agentic frameworks, or ML pipelines in cloud environments.
- Solid understanding of AI-specific attack surfaces: prompt injection, tool-use exploitation, privilege escalation through inherited access, data poisoning, and model/training-data leakage.
- Hands-on familiarity with how AI systems actually work. You’ve built with them, not just read about them.
- Strong proficiency in Python and experience building security tooling, automation, and testing.
- Strong working knowledge of AWS security: IAM, networking, container isolation, encryption, and monitoring.
- Familiarity with compliance frameworks (SOC 2, ISO 27001, ISO 42001, NIST AI RMF) and mapping technical controls to audit requirements.
- Ability to communicate technical risk clearly to engineers, auditors, and stakeholders.

## Preferred

- Experience running or contributing to AI red-teaming or adversarial testing.
- Experience with MCPs, agent orchestration frameworks, or similar agentic infrastructure.
- Background in DLP, monitoring, or observability for AI or cloud workloads.
- Experience at a growth-stage B2B SaaS company.

Compensation, Benefits & Perks: At Hi Marley, we are committed to fair and transparent pay practices. The annual base salary for this role is expected to fall within the range of [$121,000–$226,000], depending on experience, skills, qualifications, and location. Offers are determined based on these factors as well as internal peer equity. It’s most common for new hires to start near the midpoint of the range, allowing room for growth as employees develop in their role. In addition to base pay, we offer a comprehensive total rewards package that supports both your wellbeing and professional growth, including:

- Equity grants for all employees
- A 4% matching 401(k) program
- Medical, dental, vision, disability, and life insurance coverage for employees working 30+ hours per week
- Monthly wellness stipend
- Paid parental leave
- A flexible vacation policy - we all work hard and take time when we need it

Who We Are: At Hi Marley, our culture is built on three core values that every employee embodies:

- Max Courage – We encourage our team, our customers, and their customers to dream big, try new ideas, and maximize impact by measuring risk.
- Be Humble – We lead with appreciation and promote a culture of humility, compassion, and openness to learn from anyone, anywhere.
- Ubuntu (“I am because we are”) – We believe true success is much bigger than any single individual or company. By aligning our individual aims behind a shared purpose, we can achieve our fullest potential — together.

Life at Hi Marley:

Life at Hi Marley is shaped by collaboration, learning, and genuine connection. We’re proud to foster an environment where people can do their best work, feel supported, and grow alongside a team that celebrates both individuality and shared purpose.

- A fun, lively startup culture that embraces creativity and innovation
- Core values-based leadership that guides our decision-making and daily interactions
- A culture of engagement, diversity, inclusion, and belonging — everyone’s voice matters
- Flexible, hybrid work environment that values balance and trust
- Ample opportunities to learn, take on new challenges, and make an impact in a fast-growing organization
- Meaningful work that directly supports our mission to help people and organizations communicate with empathy and clarity

Hi Marley is proud to be an equal employment opportunity employer. We celebrate diversity and do not discriminate based on gender, sexual orientation, gender identity, religion, race, veteran status, disability status, or any other characteristic protected by applicable law. We are committed to building an inclusive work environment representing a variety of backgrounds, perspectives, and skills, where all employees are encouraged to be their authentic selves.

Hi Marley participates in E-Verify and will provide the federal government with your Form I-9 information to confirm that you are authorized to work in the U.S. For more information, please review the documents under "E-Verify Poster" here: [https://e-verify.uscis.gov/web/OnlineResources.aspx](https://www.e-verify.gov/employees/employee-resources?resource=32)

## About Hi Marley

## Company Overview
- **One-liner**: Hi Marley provides an intelligent conversational platform for the Property & Casualty (P&C) insurance industry, using SMS and AI to streamline communication between carriers, policyholders, and service providers.
- **Entity Type**: Private (Growth Stage)
- **Headquarters**: Boston, Massachusetts, USA
- **Founded**: 2017
- **Founders**: Mike Greene, Mitesh Suchak, John Miller

## Core Business
- **Primary industry/industries**: Insurance Technology (InsurTech), P&C Claims Management, Customer Communication Platforms
- **Target customers**: B2B — P&C insurance carriers, claims adjusters, and service providers (trusted by 130+ carriers, including four of the top ten)
- **Mission statement**: "To empower insurance to communicate simply, build trust and protect what people love."

## Products & Services
- **Hi Marley Insurance Cloud**: An omni-party conversational platform that connects policyholders, carriers, and service providers (e.g., auto repair shops, contractors) via SMS/text. Key modules include:
  - **Claims**: Streamlines first notice of loss, appraisal scheduling, repair coordination, and proactive notifications.
  - **Workers' Compensation**: Supports injured workers with updates, appointment reminders, and return-to-work coordination.
  - **Service & Sales**: Manages customer service and sales conversations alongside claims.
  - **Analytics & Sentiment Analysis**: Provides insights into customer sentiment, performance dashboards, and five-star review capture.
  - **Translation**: Built-in language translation to allow policyholders to communicate in their preferred language.

## Market Standing
- **Valuation/Market Cap**: Not publicly disclosed (private company).
- **Key Metric**: Total funding — Hi Marley has raised over $50 million. Key rounds include a $25 million Series B in 2021 led by Tola Capital, with participation from existing investors.
- **Notable Investors/Partners**: Tola Capital (lead Series B), with additional investors including Bain Capital Ventures, Pivot Investment Partners, and others. Trusted by 130+ carriers, including four of the top ten U.S. insurers.
- **Growth Signals**: The platform reports a 35% reduction in calls and voicemails, a 4.8/5 average rating per claim, and a 3-day reduction in cycle time for carriers. The company has been recognized by Built In Boston as one of the "Best Places to Work."

## Competitive Advantages
- **Insurance-Native Platform**: Built by people with deep insurance industry experience, addressing specific regulatory and workflow complexities.
- **SMS-First Design**: Meets policyholders where they are (text messaging), reducing phone tag and improving response times.
- **Omni-Party Network**: Connects not just carriers and policyholders, but also the broader ecosystem (body shops, contractors, medical providers) in a single thread.
- **Proven ROI**: Demonstrated measurable financial outcomes for carriers (reduced leakage, faster cycle times, higher customer satisfaction).
- **Strong Carrier Adoption**: Already deployed by 130+ carriers, including several of the largest in the U.S.

## Strategic Focus
- **AI and Automation**: Deepening AI capabilities (e.g., sentiment analysis, predictive insights) to further automate claims workflows and improve decision-making. The "Marley Labs" division is focused on advancing AI products.
- **Multi-Line Expansion**: Expanding beyond auto and property claims into workers' compensation and service/sales use cases.
- **Platform Scale**: Growing the network effect by onboarding more carriers and service providers, making the platform the de facto communication layer for the insurance ecosystem.
- **International Growth**: Hiring for a French-speaking Customer Success Manager suggests expansion into French-language markets (e.g., Canada).

## Why Work Here
- **Culture & Values**: Core values are "Be Humble," "Max Courage," and "Ubuntu" ("I am because we are"). The company emphasizes humility, empathy, and a growth mindset.
- **Work Model**: Hybrid — most roles are listed as "Hybrid - Boston, MA," suggesting a mix of in-office and remote work.
- **Benefits & Perks** (from [himarley.com](https://www.himarley.com/blog/hi-marley-benefits-seven-ways-we-invest-in-our-employees/)):
  - Medical, dental, and vision coverage starting day one.
  - Flexible Time Off (open vacation policy).
  - Stock options and 401(k) match.
  - Monthly wellness stipend.
  - Learning & development benefit.
  - Life insurance (3x annual salary).
  - Referral bonus (uncapped).
- **Diversity, Equity & Inclusion**: Committed to a culture of belonging, where everyone feels "seen, heard, included, valued, and celebrated."
- **Engineering Culture**: Described as "growth-minded," with investment in professional development and a flat hierarchy where "ideas over hierarchy" are valued.
- **Industry Impact**: Employees get to work on technology that directly improves a traditionally frustrating industry (insurance claims), making a tangible difference in customer experience.

## Sources
1. [himarley.com](https://www.himarley.com/)
2. [himarley.com - Careers](https://www.himarley.com/careers/)
3. [himarley.com - About Us](https://www.himarley.com/about-us/)
4. [himarley.com - Job Openings](https://www.himarley.com/job-openings/)
5. [himarley.com - Benefits Blog](https://www.himarley.com/blog/hi-marley-benefits-seven-ways-we-invest-in-our-employees/)
6. [crunchbase.com - Hi Marley Funding](https://www.crunchbase.com/organization/hi-marley)
7. [builtinboston.com - Best Places to Work](https://www.builtinboston.com/company/hi-marley)

## Other roles at Hi Marley

- [Sr. Sales Operations Manager](https://feeny.ai/job/sr-sales-operations-manager-hi-marley-boston-k4e0a6ykckv3) — Boston, MA
- [Sr. Content Manager, Learning & Enablement (Customer)](https://feeny.ai/job/sr-content-manager-learning-enablement-customer-hi-marley-boston-3grzs4gte4gs) — Boston, MA
- [Sr. IT Systems Engineer](https://feeny.ai/job/sr-it-systems-engineer-hi-marley-boston-02q3tecvst47) — Boston, MA
- [Principal Software Engineer](https://feeny.ai/job/principal-software-engineer-hi-marley-boston-1q4ezamwwxze) — Boston, MA
- [Principal AI Product Engineer](https://feeny.ai/job/principal-ai-product-engineer-hi-marley-boston-ab5cax6stcyh) — Boston, MA
- [Principal AI Platform Engineer](https://feeny.ai/job/principal-ai-platform-engineer-hi-marley-boston-scj8yznqfkhp) — Boston, MA
- [Sr. DevOps Engineer II](https://feeny.ai/job/sr-devops-engineer-ii-hi-marley-boston-4wbdk7268311) — Boston, MA
- [Director, Customer Experience & Scaled Success](https://feeny.ai/job/director-customer-experience-scaled-success-hi-marley-boston-9b5gsje0jcpn) — Boston, MA
- [Principal Industry Strategist (Property & Casualty)](https://feeny.ai/job/principal-industry-strategist-property-casualty-hi-marley-boston-jyvx3egm50np) — Boston, MA
- [Sr. Software Engineer](https://feeny.ai/job/sr-software-engineer-hi-marley-boston-8s0dhy2wxmgn) — Boston, MA