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Added 2 mins ago
Senior Mainframe Technical Engineer
Highmark Health
Jefferson City, MO
Highmark seeks a highly motivated Lead IT Infrastructure Engineer/Lead Mainframe Platform Engineer to lead the design, implementation, and maintenance of our critical mainframe systems.…
Added 4 mins ago
Infrastructure Reliability Engineer
Fidelity Technology Group, LLC
Durham, NC
We are seeking an Infrastructure Reliability Engineer to join our Compute management team. In this role, you will collaborate with senior technology professionals, peers across operations…
Added 4 mins ago
Senior Software Engineer
Fidelity Technology Group, LLC
Merrimack, NH
Drive adoption of DevOps practices, including CI/CD pipelines, infrastructure automation, monitoring, and observability
Added 6 mins ago
U
Sr Software Engineer - Streaming Data Platform
Uber
Sunnyvale, CA · San Francisco, CA · Seattle, WA
- $202,000 to $224,000 USD / year
…foundational systems that operate at global scale. As a Sr Software Engineer on the Streaming Data Platform team, you will shape the architecture and evolution of the critical…
Added 6 mins ago
Principal Engineer
Cushman & Wakefield
Creve Coeur, MO
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Added 7 mins ago
Senior Electrical Engineer
Kennedy/Jenks Consulting
Virginia Beach, VA · Norfolk, VA · Chesapeake, VA · Newport News, VA · Portsmouth, VA
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Added 9 mins ago
Senior Technical Marketing Engineer, Distributed Networking, Content Delivery & AI
Akamai Technologies, Inc.
Jefferson City, MO
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Added 10 mins ago
IG
Sr. Integration Engineer
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Columbus, OH
- From $66 USD / hour
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Added 10 mins ago
IG
Senior Network Engineer
Insight Global
San Jose, CA
- From $70 USD / hour
We are seeking an experienced Senior Network Engineer to design, implement, and maintain our enterprise network infrastructure. The ideal candidate will have extensive hands-on experience…
Added 10 mins ago
AT
Senior Security Engineer
Akamai Technologies, Inc.
Jefferson City, MO
- $112,500 to $202,500 USD / year
As a Senior Security Engineer you will be assessing and mitigating the risk of doing business in today's hyper-connected world. . You will work directly with Akamai's IT and engineering…
Added 12 mins ago
UG
Senior Software Engineer
UnitedHealth Group
Eden Prairie, MN
- $91,700 to $163,700 USD / year
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Added 13 mins ago
AT
Senior II Site Reliability Engineer - Network
Akamai Technologies, Inc.
Jefferson City, MO
- $146,400 to $263,600 USD / year
As a Senior II Site Reliability Engineer - Network, you will be responsible for:
Added 17 mins ago
Data Asset Model Senior Engineer
Mars Corporate
United States
…organizational change, we are seeking a FinTech Data Asset Model Senior Engineer to strengthen our capabilities in Azure Data Lake technologies within the FinTech Data Lake…
Added 19 mins ago
Senior AI Engineer
Suffolk Construction Company, Inc
Boston, MA
Use Terraform, AWS CDK, and GitHub Actions to automate infrastructure and deployments.
Added 21 mins ago
Senior Cloud Security Engineer
Accenture Federal Services
Charlottesville, VA · Springfield, VA
Collaborate across our cloud infrastructure delivery team and with stakeholders using an Agile process to ensure design, implementation, verification, and continuous monitoring of cloud…
Added 25 mins ago
NB
Staff DevOps Engineer
Nova Biomedical
Waltham, MA
- $125,000 to $170,000 USD / year
The Staff DevOps Engineer provides senior-level technical leadership for cloud infrastructure, deployment automation, DevSecOps practices, and software delivery systems supporting regulated…
Added 25 mins ago
Staff AI Engineer
Nova Biomedical
Waltham, MA
The Staff AI Engineer will serve as a senior hands-on technical leader within Nova's Data & AI function, designing, building, and operationalizing AI-enabled applications, agents, reusable…
Added 25 mins ago
Staff Data Engineer
DAT Solutions, LLC
Seattle, WA
…software solutions, machine learning models, and intelligent automation tools that help brokers, carriers, and shippers price freight accurately, source capacity, reduce risk, and operate…
Added 25 mins ago
CC
Staff Site Reliability Engineer
Carrier Corporation
Remote, United States
- $96,000 to $192,000 USD / year
Carrier's Building Automation Systems (BAS) Cloud organization is seeking a highly skilled Senior Site Reliability Engineer (SRE) to help build, scale, and continuously improve our…
Added 27 mins ago
AT
Senior Network Engineer
Akamai Technologies, Inc.
Jefferson City, MO
- $112,500 to $202,500 USD / year
As a Senior Network Engineer you will lead efforts in designing, implementing, and automating our global network infrastructure. You will address complex issues in routing, data center…
Added 27 mins ago
AI & Distributed Systems Fullstack Engineer - Senior - Consulting - Location OPEN
EY
Saint Louis, MO
+ Work on distributed systems problems ranging from scheduling, resource management, messaging, distributed caching and infrastructure automation
Added 27 mins ago
AI & Distributed Systems Fullstack Engineer - Senior - Consulting - Location OPEN
EY
Kansas City, MO
+ Work on distributed systems problems ranging from scheduling, resource management, messaging, distributed caching and infrastructure automation
Added 27 mins ago
AI & Distributed Systems Fullstack Engineer - Senior - Consulting - Location OPEN
EY
Jefferson City, MO
+ Work on distributed systems problems ranging from scheduling, resource management, messaging, distributed caching and infrastructure automation
Added 28 mins ago
MS
Lead Mainframe Hardware Engineer
MS Services Group, Inc.
Remote, United States
- $110,000 to $215,000 USD / year
This role serves as a senior technical leader for the Enterprise Z platform that supports the firm's critical business applications. The candidate will drive execution across the full…
Added 32 mins ago
Senior Security Engineer - Secure SDLC
Highmark Health
Jefferson City, MO
Highmark Health is seeking a Senior Security Engineer to join our Enterprise Application Security team and play a pivotal role in shaping how security is built into our software - not…

Lambda

Senior Product Security Engineer

San Francisco, CA, United States
Bellevue, WA, United States

$296,000 to $395,000 USD / year

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Job details

Pay: $296,000 to $395,000 USD / year
Posting language: English
Posted: Nov 4, 2026

Original job description

Lambda, The Superintelligence Cloud, is a leader in AI cloud infrastructure serving tens of thousands of customers. Our customers range from AI researchers to enterprises and hyperscalers. Lambda's mission is to make compute as ubiquitous as electricity and give everyone the power of superintelligence. One person, one GPU.

If you'd like to build the world's best AI cloud, join us.

*Note: This position requires presence in our San Francisco or Bellevue office location 4 days per week; Lambda’s designated work from home day is currently Tuesday.

About the Role

Lambda Security protects some of the world's most valuable digital assets: training data, model weights representing immense computational investments, and the sensitive inputs required to leverage best-of-breed AI models. We're responsible for securing every byte that powers breakthrough artificial intelligence.

As a Senior Security Engineer on Product Security, you'll make sure the right security decisions get made in everything Lambda sells, from the network and cluster infrastructure in our data centers to the software our customers use every day. Reporting to the Senior Manager of Security, you'll join a team spanning infrastructure security and application security, owning security outcomes for your area and partnering closely with Product Engineering, Data Center Operations and Engineering, Detection & Response, and GRC.

Product security at Lambda generates and protects revenue. Enterprises and AI labs evaluate our security before they move billion-dollar training runs and irreplaceable model weights onto our infrastructure, and this team supplies the answers. As Lambda launches new products and expands into new data centers, you'll threat model and review the designs behind each one, keep every customer's workloads isolated from the network fabric up, run vulnerability management as a risk-driven program, and bring technical depth to the customer security reviews behind enterprise deals. You'll work with direct access to LLMs hosted on Lambda's own infrastructure, alongside frontier models and AI tools, to take code and design review further than traditional approaches allow.

Product security covers a lot of ground, and we don't expect one person to be an expert in all of it. Some of our team go deep on infrastructure: networks, clusters, Linux and the hardware underneath. Others go deep on application security and code. We expect you to bring real depth in one and contribute across both. If you'd rather build security into systems alongside the engineers who own them than audit them from the outside, we'd love to talk.

We value diverse backgrounds, experiences, and skills, and we are excited to hear from candidates who can bring unique perspectives to our team. If you do not exactly meet this description but believe you may be a good fit, please still apply and help us understand your readiness for this role. Your application is not a waste of our time.

What You'll Do

Review Designs and Threat Model: Own security design reviews and threat models for the systems in your area, delivering actionable recommendations while changes are still cheap.
Secure Multi-Tenant Infrastructure: Harden the network, cluster, and infrastructure-service layers that keep each customer's workloads isolated from every other customer's.
Find and Fix Vulnerabilities in Code: Review application code and infrastructure as code, find vulnerabilities through analysis and testing, and land fixes with the owning team.
Run Vulnerability Management as a Program: Turn scanner output into accurate, prioritized facts about real risk, and drive remediation to SLA alongside our Technical Program Managers.
Develop Security Patterns and Requirements: Turn recurring review findings into requirements, reference patterns, and guardrails that the teams you support adopt by default.
Enable Enterprise Deals: Partner with GRC on customer security reviews and architecture discussions, giving customers clear, technically grounded answers about how we protect their workloads.
Build Security Tooling: Ship Python or Go automation, using Lambda-hosted LLMs, frontier models, and AI tools, that extends review and triage coverage.
Partner Across Engineering: Work with Product Engineering, Data Center Operations and Engineering, and Detection & Response, including on bug bounty and vulnerability disclosure reports.
Coach Engineers: Help engineers in the teams you support build secure design instincts, and mentor newer members of the security team.
Balance Strategic and Tactical: Recognize when to invest in a long-term fix versus when "good enough" is exactly that, and bias toward measurable forward progress.

You

5+ years of demonstrated security engineering experience, either directly as a security engineer or as a software, infrastructure, or site reliability engineer driving security outcomes. We also welcome equivalent backgrounds: significant formal security training paired with strong engineering experience.
Demonstrated depth in infrastructure security or application security, with design reviews, threat models, or fixes that engineering teams actually adopted.
A track record of independently owning security work end to end, making sound calls on your own and knowing when to escalate.
Thrives in high-speed, high-ambiguity startup environments where priorities shift regularly and structure must be built while executing.
Strong hands-on Linux experience in both bare metal and cloud environments, understanding infrastructure from kernel to application layer.
Reads application code and infrastructure as code (e.g., Terraform, Ansible, Kubernetes manifests) fluently enough to explain a vulnerability's root cause, not just a scanner's verdict.
Ships production-grade tooling in Python, Go, or a similar language, rather than only one-off scripts.
Translates security risk into business impact for engineers, leadership, and customers, enabling them to make informed decisions.
Excellent collaboration with technical teams both with and without authority (we're all on the same team!).

Nice to Have

Deep code analysis expertise, such as source code auditing, fuzzing, reverse engineering, or vulnerability research with published findings or CVEs.
Experience securing multi-tenant infrastructure: network segmentation, virtualization or container isolation, Kubernetes, or hardware root of trust and secure boot.
You've led the security assessment and requirements for a major platform component or enterprise system.
Experience building infrastructure-as-code security guardrails, such as policy-as-code checks in CI/CD or secure-by-default modules.
You've run vulnerability management as a program, with risk-based prioritization and remediation SLAs that held.
Experience supporting enterprise customer security reviews, or providing significant evidence for compliance audits such as SOC 2, ISO 27001, or FedRAMP.
Experience with AI/ML infrastructure security, model security, or protecting high-value computational workloads.
Significant experience operating large-scale production services (e.g., SRE across thousands of hosts) or with virtualization at scale (KVM, Hyper-V, Xen).
Enthusiasm about leveraging LLMs on Lambda's own infrastructure, frontier models, and AI tools to push product security beyond the status quo, including through AI-assisted code review, automated threat modeling, and intelligent vulnerability triage.

Salary Range Information

The annual salary range for this position has been set based on market data and other factors. However, a salary higher or lower than this range may be appropriate for a candidate whose qualifications differ meaningfully from those listed in the job description.

About Lambda

Founded in 2012, with 500+ employees, and growing fast
Our investors notably include TWG Global, US Innovative Technology Fund (USIT), Andra Capital, SGW, Andrej Karpathy, ARK Invest, Fincadia Advisors, G Squared, In-Q-Tel (IQT), KHK & Partners, NVIDIA, Pegatron, Supermicro, Wistron, Wiwynn, Gradient Ventures, Mercato Partners, SVB, 1517, and Crescent Cove
We have research papers accepted at top machine learning and graphics conferences, including NeurIPS, ICCV, SIGGRAPH, and TOG
Our values are publicly available: https://lambda.ai/careers
We offer generous cash & equity compensation
Health, dental, and vision coverage for you and your dependents
Wellness and commuter stipends for select roles
401k Plan with 2% company match (USA employees)
Flexible paid time off plan that we all actually use

Equal Opportunity Employer

Lambda is an Equal Opportunity employer. Applicants are considered without regard to race, color, religion, creed, national origin, age, sex, gender, marital status, sexual orientation and identity, genetic information, veteran status, citizenship, or any other factors prohibited by local, state, or federal law.

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More about this job

Skills

Linux
Infrastructure as code
IBM Terraform
Ansible
Kubernetes
Python
Go
Leadership
Auditing
Reverse engineering
Research
CI/CD
Prioritization
Regulatory compliance
ML

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