Jobs in the United States

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Added 3 mins ago
Senior Software Engineer, Trump Accounts
Robinhood
Menlo Park, CA · NY
This role is based in our Menlo Park, CA and New York, NY offices, with hybrid attendance expected at least 3 days per week
Added 3 mins ago
Intermediate Electrical Engineer
Worley
BC, CA
Registration as a Professional Engineer (P.Eng) with EGBC, or eligibility to obtain registration.
Added 3 mins ago
MD
Mid-Level Structural Project Engineer
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- $95,000 to $120,000 USD / year
Added 3 mins ago
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Mid-Level Structural Project Engineer
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The experienced Quality Engineer will help shape and deploy the Quality Management System (QMS) during the ramp-up phase of the current program. Operating primarily onsite (90%), this role…
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Construction Project Engineer
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Peoria, AZ
- $38 to $55 USD / hour
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Sr Principal Engineer, Rendezvous & Proximity Operations (RPO), Guidance, Navigation & Control, Lead
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Added 8 mins ago
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Familiarity with drafting standards and the application of GD&T
Added 10 mins ago
Google Cloud Sales Specialist
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Added 10 mins ago
FIRE CHIEF
Air Mobility Command
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Beauty Sales - Beauty Rituals - Oak Park Mall
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- $19.25 to $20.05 USD / hour
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Added 10 mins ago
Sr. IAM Engineer | Remote, USA
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Optiv is seeking a Sr. IAM Engineer to join Optiv Security’s 24x7x365 Security Operations Center as a member of the Advanced Fusion Center (AFC) team. The Optiv AFC line of business…
Added 10 mins ago
Principal Sales Representative, CAS (Kansas City)
Medtronic
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The individual must reside within the territory and regularly travel to customer accounts, including hospitals, clinics, and procedural settings
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ServiceNow Platform Architect and Engineering Lead Job Details | Black & Veatch Family of Companies
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Staff Registered Engineer - Structural - Advanced Process Solution Job Details | Black & Veatch Family of Companies
Black & Veatch
Overland Park, KS
Staff Registered Engineer - Structural - Advanced Process Solution
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Payroll Analyst Job Details | Black & Veatch Family of Companies
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Overland Park, KS
…accessibility of our website or need assistance completing the application process because of a disability, please contact the Employee Relations Department at +1-913-359-1622 or via our.…
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Project Security Specialist Job Details | Black & Veatch Family of Companies
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The Project Security Specialist supports the consistent and practical application of Global Project Security requirements across applicable projects. Under general direction, the position…
Added 10 mins ago
Software Engineer - AI
SHI
Topeka, KS
Design application architectures that balance scalability, maintainability, security, and performance.
Added 11 mins ago
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Mechanical Engineer - Non Oily Waste (Part-time)
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- Part-time
…life-cycle savings. Noblis is looking to hire a Mechanical Engineer to provide support to various ship programs for the US Navy in the areas of oil pollution abatement in the wastewater…
Added 11 mins ago
CrowdStrike Platform Senior Resident Consultant (Remote)
CrowdStrike
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Utilize and engineer native and 3rd party software deployment technologies
Added 11 mins ago
Senior Director Software Engineering
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Topeka, KS
As a Senior Director, Full-stack Engineer at Capital One, you will lead high-performing engineering teams working to define the future of banking in the cloud. You will partner closely with…
Added 11 mins ago
PN
Software Engineer (Business Applications)
Pacific Northwest National Laboratory
Topeka, KS
- $133,100 USD / year
Experience with enterprise integration platforms, particularly Boomi, for developing, deploying, and maintaining application and data integrations.

Proofpoint, Inc.

Senior Applied AI Engineer

CO, United States

Apply on proofpoint.wd5.myworkdayjobs.com About employer

Applications open in a new tab.

Job details

Experience: 3+ years of research experience (understanding customer problems and deriving/brainstorming solutions)
Posting language: English
Posted: Nov 12, 2026

Original job description

About Us:

Proofpoint is a global leader in human- and agent-centric cybersecurity. We protect how people, data, and AI agents connect across email, cloud, and collaboration tools. Over 80 of the Fortune 100, 10,000 large enterprises, and millions of smaller organizations trust Proofpoint to stop threats, prevent data loss, and build resilience across their people and AI workflows. Our mission is simple: safeguard the digital world and empower people to work securely and confidently. Join us in our pursuit to defend data and protect people.

How We Work:

At Proofpoint you’ll be part of a global team that breaks barriers to redefine cybersecurity guided by our BRAVE core values:

Bold in how we dream and innovate Responsive to feedback, challenges and opportunities Accountable for results and best in class outcomes Visionary in future focused problem-solving Exceptional in execution and impact

The Role

AI is moving faster than any single product team can keep up with. For a security company, the hard question isn’t “can a model do this?” It’s which approach actually works, what it costs, how fast and reliable it is, and whether it’s worth building at all. That’s what this team answers. We’re an Applied AI Research team, and research is our product. We take important questions the company can’t yet answer and turn them into evidence people can act on.

As a Senior Applied AI Engineer, you’ll own a line of research from start to finish: frame the question, build what’s needed to answer it, measure honestly, and reach a decision. When something is ready to move to another team, you’ll help them deploy it well, advising on the AI side and on how to monitor it once it’s live. Sometimes the answer is “this works, here’s the proof.” Sometimes it’s “this won’t work, and we found out in three weeks instead of six months.” Both count as success here.

What you'll do

Answer hard questions with evidence. Take a question nobody has answered yet. Make it testable, set a baseline, run the smallest experiment that settles it, and come back with an answer the company can act on.
Build systems that improve themselves. A lot of our agentic work runs in long loops: run an evaluation, study the results, produce a better version, run it again. You’ll build systems that improve on their own and recover when they go wrong.
Make agent behavior measurable. Extend our evaluation platform so we can tell whether an agent is genuinely good - task suites, regression checks, and honest tradeoffs between quality, cost and speed. It’s something we build and maintain for the whole company.
Work across hosted and self-hosted models. Most of what we do runs on third-party model APIs. We also serve open-weight models on our own GPUs and are pushing further into fine-tuning and efficient serving. You’ll help us work out which jobs suit which.
Improve how we build with coding agents. We use coding agents every day and benchmark them against our own codebases. You’ll help our engineers get more out of them.
Start from real problems. Spend time with stakeholders, understand their problems rather than collecting feature requests, and turn what you hear into research worth doing.
Put working things in people’s hands. Build prototypes, playgrounds and APIs so stakeholders can try an idea themselves and learn alongside us. Often that’s how the decision gets made.
Help get it into production. When something works, we don’t just hand it over. You’ll advise the team deploying it - on the AI side, and on how to monitor and understand the system once it’s running.
Help the team get better. Mentor engineers, share what you learn, and help the team ask better questions.

What we're looking for

Bachelors, Masters or PhD in Computer Science or related field or equivalent experience
5+ years building software and ML systems, with recent hands-on work on LLM systems that went past the prototype stage, 7+ years preferred.
3+ years of research experience (understanding customer problems and deriving/brainstorming solutions)
Experience with Claude Code, Cursor or similar, used daily, without lowering your standard for correctness and tests.
Experience in building and deeply evaluating agentic systems in production
Experience with third-party model APIs and open-weight models (we run on our own GPU fleet)
Strong Python and solid ML fundamentals
Demonstrated expertise in AI evaluation, one of the most challenging and strategically important areas of modern artificial intelligence
Familiarity with Kubernetes inference platform, Flyte for orchestration, LiteLLM / Langfuse and internal tooling for evaluation and tracing

•

Nice to Have

Experience building open weights LLMs (not only classical (non-LLM) ML models) and evaluating the system to quantify business value
Experience fine-tuning or serving open-weight models
Experience with automated prompt and pipeline optimization
Experience with multi-GPU serving and or MCP and tool protocols
Previous cybersecurity experience such as phishing or threat detection
Open-source contributions or publications

Why Proofpoint?

At Proofpoint, we believe that an exceptional career experience includes a comprehensive compensation and benefits package. Here are just a few reasons you’ll love working with us:

Competitive compensation
Comprehensive benefits
Career success on your terms
Flexible work environment
Annual wellness and community outreach days
Always on recognition for your contributions
Global collaboration and networking opportunities

Our Culture:

Our culture is rooted in values that inspire belonging, empower purpose and drive success-every day, for everyone. We encourage applications from individuals of all backgrounds, experiences, and perspectives. If you need accommodation during the application or interview process, please reach out to accessibility@proofpoint.com.

How to Apply

Interested? Submit your application along with any supporting information- we can’t wait to hear from you!

Consistent with Proofpoint values and applicable law, we provide the following information to promote pay transparency and equity. Our compensation reflects the cost of labor across several U.S. geographic markets, and we pay differently based on those defined markets as set out below. Pay within these ranges varies and depends on job-related knowledge, skills, and experience. The actual offer will be based on the individual candidate. The range provided may represent a candidate range and may not reflect the full range for an individual tenured employee. This role may be eligible for variable compensation and/or equity. We offer a competitive benefits package, including flexible time off, a comprehensive well-being program with two paid Wellbeing Days and two paid Volunteer Days per year, plus a three-week Work from Anywhere option.

Base Pay Ranges:

SF Bay Area, New York City Metro Area:

Base Pay Range: 200,300.00 - 293,810.00 USD California (excludes SF Bay Area), Colorado, Connecticut, Illinois, Washington DC Metro, Maryland, Massachusetts, New Jersey, Texas, Washington, Virginia, and Alaska: Base Pay Range: 167,300.00 - 245,355.00 USD

All other cities and states excluding those listed above:

Base Pay Range: 152,900.00 - 224,235.00 USD

Apply on proofpoint.wd5.myworkdayjobs.com About employer

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Jobs in the United States