Founding AI Security Engineer On-Site SF, Equity
Aspiron Search Limited
Aspiron Search Limited in San Francisco is seeking a founding security engineer to lead our security posture as we scale an AI security platform. You’ll own security end-to-end, from architecture reviews to incident response, reporting directly to the founders. This on-site role offers top-of-market base salary plus substantial equity, visa sponsorship and relocation support if needed, and daily meals in the office while you help shape security for enterprise clients. #J-18808-Ljbffr
- ...its integrity, security, and resilience.... ...scaling security AI agents to discover... ...software. Our founding team includes deep... ...Security Engineer to work directly... ...Travel to customer sites as needed to drive... ...with meaningful equity Health, vision,... ...working from our SF office) Direct impact...Employment EquityWebsiteWork at officeRelocation
$180k - $220k
...Engineering San Francisco, CA Full-time $180K – $220K • Offers Equity Who we are: Cooper is an AI coworker for the insurance industry. Getting a business... ...role We're hiring the Founding Engineering team for a... ...5x per week ~ Off sites, happy hours, and team building...Employment EquityWebsiteFull time- ...Role facts Domain: AI agents / growth marketing... ..., United States; on-site Work authorization:... ...requirement in the public JD Equity: Not specified... ...Improve SEO and generative engine optimization (GEO)... ...marketing agents. Hiring a Founding Applied AI Engineer for...Employment EquityWebsiteFull timeRelocation package
$180k - $250k
...AI coding assistants changed how software gets built... ...doing the same for the engineers behind jet engines? A... ...to the CTO and two founding engineers who all founded... ...~$180k–$250k base + equity ~ A seat on a team of... ...round with the CTO → on-site → offer. Be ready to talk...Employment EquityWebsiteFull timeVisa sponsorship$230k - $300k
...growing, Sequoia-backed AI research platform used... ...'s first dedicated security engineering hire. You will report... ...Experience as the first or founding security engineer at a... .... • Competitive equity. • Visa transfers and... ...This role is on-site five days per week in...Employment EquityWebsiteH1bVisa sponsorship- ...We’re building the AI-native compliance platform... ...Our team includes engineers and researchers... ...This is a true founding engineer role . You... ...early-stage MVP to a secure, reliable,... ...Competitive salary and equity ~100% health, dental... ...events and off-sites #J-18808-LjbffrEmployment EquityWebsite
- ...Francisco Bay Area is building internal AI infrastructure. We seek a hands-on Applied AI Engineer to design, build, and maintain... ...Discovery Innovation. This is a founding infrastructure role with... ...teams to deploy scalable tools, and work on-site/hybrid. #J-18808-Ljbffr...Website
$230k
...Everyone's building AI agents, but almost nobody... ...Building an AI agent that can securely take action inside... ...trust become the real engineering challenge. Arcade is... ...Fit: Our CEO previously founded Stormpath (acquired by... ...a competitive salary, equity, and benefits. Compensation...Employment EquityWebsiteWork at officeShift work- ...Wintermeyer Ventures is seeking a Founding Product Engineer to shape customer-facing workflows and the agent infrastructure on an AI-powered outbound sales platform. You’ll work closely... ...and influence product direction. On-site in San Francisco, you’ll own end-to-end...Website
$225k - $255k
...product-focused team building an AI-powered B2B pricing platform... ...discount governance. As our Founding AI Engineer , you'll own the evaluation... ...000 USD annually Early-stage equity commensurate with a founding-... ...direction Location This role is on-site in San Francisco, CA ....Employment EquityWebsiteRelocation- ...NOSO is seeking a Founding Software Engineer in San Francisco, on-site, to join as our first full-time engineer and help design our product from the ground up... ...-end features, shape the technology stack, and bring AI-driven capabilities to market with the founding team....Employment EquityWebsiteFull time
$200k - $400k
...teams across the United States to help them hire. Founding AI Engineer Location San Francisco, CA On-site in San Francisco. Company Stage of Funding Early Stage... ...per week Compensation $200,000 - $400,000 Base Equity 0.2% - 0.8% Equity Visa US Citizens / Green Card...Employment EquityWebsiteFull timeWork at officeImmediate startRemote workVisa sponsorship$200k - $350k
...frontier of LLMs and AI agents through... ...-year vesting) equity. Visa: Open... .... Policy: On-site, 5 days in-... ...build AfterQuery's security posture from... ...leading model labs. Founding-level role.... ...infrastructure engineering ~ Deeply... ...On-site 5 days SF #J-18808-Ljbffr...Employment EquityWebsiteH1bWork at office- ...insurance for frontier AI. Our mission is... ...standard for agent security, serves frontier builders... ...before: as the founding security hire at a... ...zero; or as a core engineer at a security... ...Competitive annual salary Equity (significant part... ...to bring you to SF, if needed Daily...Employment EquityRelocationVisa sponsorship
- ...SF Bay Area, California | Fully On-site We are seeking an Founding Computer Vision Engineer – Multimodal AI & VLMs to join an early-stage technology company building AI systems for real-world industrial environments. This role focuses on multimodal visual intelligence...WebsiteWork at officeVisa sponsorship
$150k - $250k
# Founding AI Infrastructure EngineerRemote (US) or Hybrid (SF Bay Area)Full-time$150,000–$250,000 + equity## About UsHarden is the enterprise security and governance platform for AI-built apps. Every AI-... ...re bringing on exceptional engineers to build the infrastructure...Employment EquityFull time- ...A high-growth, AI healthtech company in San Francisco is seeking an Engineering Manager to lead their engineering team and develop core platform services. This role... ...healthcare solutions. This position offers equity and an opportunity to shape a category-defining platform...Employment EquityWebsite
- Founding Security Engineer | AI Security | San Francisco (on-site) I'm retained with a seriously well-funded AI security company,... ...s on offer: Base + significant equity, pitched at the top end of the market... ...support if you’re not in SF yet #J-18808-Ljbffr Aspiron Search...Employment EquityWebsiteWork at officeVisa sponsorshipRelocation package
- Hedge is seeking a founding SDR in San Francisco to own the early pipeline and drive high-impact, quota-driven results. You will convert... ...collaborating with AEs and brokers to improve conversion. Equity and upside are core to the role. #J-18808-Ljbffr HedgespecialtyEmployment EquityWebsite
- ...believe in vertical AI solutions and want to... ...looking for a Senior Founding AI Software Engineer who is passionate about... ...investors in the SF bay area, with advisors... ...market standard comp, equity, viable path to Head... ...production environments. Security & Tenant Isolation:...Employment EquityRemote work
$160k - $200k
...Company A seed-stage company (founded 2025) on the frontier of agentic AI for the built world,... ...places in tech where an engineer can work directly on housing... ..., in person in SF every day, in exchange for... ...0–$200,000 base + 0.5–2% equity. Free lunch/dinner, fully...Employment EquityFull timeVisa sponsorshipWeekend work$180k - $230k
We're recruiting a Founding AI Engineer for an early-stage SF startup building AI smart glasses for field teams. Think technicians in data centers, energy... ...right now Pay: $180K to $230K base plus 0.25% to 0.75% equity. Visa: OPT or H-1B transfers are fine. They can't...Employment EquityH1bWork at officeVisa sponsorship$188.75k - $242.68k
...the US, Canada, UK and Europe. Founded in 2013, the company is... ...London, and Amsterdam.The Platform Security team (PlatSec) defends Plaid against... ...security, cloud security, AI security, detection and... ...compensation in the form(s) of equity and/or commission are dependent...Employment EquityWork experience placementWork at officeLocal area$145k - $240k
...capitalized, venture-backed startup (founded 2025) building an AI platform for the commercial... ...You would be one of the first engineers on a small team, shaping the... ..., CA Work policy: On-site Compensation: $145,000–$240,000 + equity Visa sponsorship: Open to...Employment EquityWebsiteFull timeH1bImmediate startVisa sponsorship$175k - $220k
...Francisco, CA · On-site (5 days per week) ·... ...competitive early-stage equity About the... ...stage company building AI agents that work as... ...into networking, security, backups, and data management. Founded 2024 · 4 people · Industry... ...This is a founding engineering seat on a team of...Employment EquityWebsiteFull timeH1bWork at officeVisa sponsorship- ...About interface.ai interface.ai is the agentic... ...company — and the engineering that powers millions... ...company works. ~ On-site in downtown San... ...Brand-new 21st-floor SF office at 44 Montgomery... ...product and engineering. Founding-team-tier equity, top-of-market base, comprehensive...Employment EquityWebsiteWork at officeRelocation package
$141.6k - $212.4k
...Klaviyo is looking for a Senior Security Engineer to add to our growing... ...and response Develop AI-first security systems to... ...and customer success roles, equity, sign-on payments, and a comprehensive... ...job postings can be found on our official career site. Please be cautious of job...Employment EquityWebsite$190k - $250k
...San Francisco, CA (On-site, 5 days in-office) Salary... ...0K base + competitive equity (higher for... ...We are looking for a Founding Security Lead with 4-8 years of... ...program at a fast-growing AI-native fintech startup... ...integrate naturally into how engineers ship code Securing...Employment EquityWebsiteH1bWork at office$146k - $240k
...enterprises orchestrate AI-powered work. Our... ...generative AI.Founded in 2020 with office... ...roleJoin WRITER's security team as a staff detection... ...and response engineer and help protect the... ...stipendCompany-wide off-sites and team off-... ...which can also include equity, an immersive...Employment EquityWebsiteFull timeWork at officeLocal area$175k - $220k
...highly technical Senior Security Engineer who thrives on building... ..., automation, and AI rather than relying solely... ...Our Full-Time Employees:Equity Generous health benefitsFlexible... ...in all our offices in SF, NYC, London and Sydney... ...application on this site, Sigma processes your...Employment EquityWebsiteFull timeWork at office
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