Jobs in the United States

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Added 2 mins ago
Senior Production Engineer I
CoreWeave
Sunnyvale, CA
As a Production Engineer I/II, you will play a key role in maintaining the reliability and stability of CoreWeave’s cloud infrastructure. You will work closely with the Production Engineer…
Added 2 mins ago
Network Engineer III
GD Information Technology, Inc.
United States
Seize your opportunity to make a personal impact as a Network Engineer III at the Fort Carson Colorado Mission Training Complex. Here, you’ll tailor cutting-edge solutions to the unique…
Added 3 mins ago
Process Engineer II
Corning
Phoenix, AZ
…processes behind safer, higher-yield, lower-cost production. You'll lead process troubleshooting and continuous improvement and support the launch of new products, materials, and equipment.…
Added 3 mins ago
Senior Development Scientist
Corning
Hickory, NC
As a Senior Automation Process Engineer working in development, you will lead the definition, maturation, and validation of how next-generation automated manufacturing processes must work.…
Added 3 mins ago
Deputy General Manager - Natural Gas, Water, and Wastewater Utilities
Navajo Tribal Utility Authority
Fort Defiance, AZ
Valid State Driver's License required (subject to motor record review)
Added 3 mins ago
EG
Senior Transportation Project Manager
Egis Group
Pittsburgh, PA
- $117,000 to $180,000 USD / year
Egis is looking for a licensed engineer in PA with either highway, traffic or bridge project management experience.
Added 4 mins ago
Postdoctoral Scholar TBV Vaccine Discovery
University of South Florida
Tampa, FL
The researcher will lead the development of novel vaccine candidates, overseeing the entire pipeline from in silico protein design to functional evaluation. This includes the recombinant…
Added 5 mins ago
Senior Legal Engineer
Newcode.ai
Remote, United States
…we're building and evolving every day. That means not every process, playbook, or framework is already in place, and priorities can shift…
Added 5 mins ago
Senior Legal Engineer
Newcode.ai
Remote, United States
…we're building and evolving every day. That means not every process, playbook, or framework is already in place, and priorities can shift…
Added 5 mins ago
Head of Forward Deployed Engineering
Newcode.ai
Remote, United States
We are hiring a Head of Forward Deployed Engineering to build and lead the software engineers who bring those workflows into production. You will combine engineering leadership, practical…
Added 5 mins ago
Project Engineer, Commercial Construction (Tampa)
CPPI
Tampa, FL
Must have a valid driver’s license
Added 6 mins ago
Senior Principal Mechanical Engineer (Modular Data Center Architecture)
Dell
Hopkinton, MA · Round Rock, TX
As a Senior Principal Engineer, you will lead the development of next-generation modular data center solutions that power some of the world's most advanced artificial intelligence and…
Added 6 mins ago
Automation Engineer - Nucor Towers & Structures
Nucor
Crawfordsville, IN
…highest quality products and service for our customers, we lead the steel industry in environmental responsibility. Joining our team means working with people who have your back and are…
Added 8 mins ago
Nuclear QA Engineer
Converge Resources
Houston, TX
…expanding its nuclear and DOE business and needs a quality engineer to run the day-to-day health of its nuclear QA program. You will be based at the Northern Houston facility while the team…
Added 8 mins ago
Professional Engineer Diver - Bridge Inspection
Consor Engineers
Rocky Hill, CT
ADCI Commercial Diving certification is required. · Valid driver’s license required
Added 9 mins ago
Cloud Engineer
Peraton
Remote, United States
…Executive Office Enterprise (PEO Enterprise), the U.S. Army Product Lead Acquisition, Logistics, and Technology Enterprise Systems and Services (PL ALTESS) runs enterprise-class data…
Added 9 mins ago
Senior Windows Administrator
Peraton
Remote, United States
…Executive Office Enterprise (PEO Enterprise), the U.S. Army Product Lead Acquisition, Logistics, and Technology Enterprise Systems and Services (PL ALTESS) runs enterprise-class data…
Added 9 mins ago
AI Ops Engineer
SolarWinds
Austin, TX
…solutions in a fast-paced environment and accept the challenge to lead with purpose. If you’re looking to build your career with an exceptional team, you’ve come to the right place. Join…
Added 9 mins ago
Systems Engineer
Oak Ridge National Laboratory
Oak Ridge, TN
…Isotope Science and Enrichment Directorate, is seeking a Systems Engineer in the Systems Administration Group under the Systems & Process Assurance (SPA) Section. CETD is one of five…
Added 9 mins ago
Senior Staff Electrical Engineer
Renesas Electronics
Austin, TX
Renesas is seeking a Senior Staff Digital Design Verification Engineer to lead verification
Added 11 mins ago
H
Quality Assurance Engineer
HiFyve
Springfield, MO
- $71,066 to $105,000 USD / year
Valid driver's license required
Added 11 mins ago
Mechanical Engineer IV
Hargrove and Associates, Inc
Memphis, TN
Knowledgeable of the discipline specific methods, practices and techniques required to engineer, design and construct process and manufacturing projects.
Added 11 mins ago
Instrument Lead Engineer
Hargrove and Associates, Inc
Atlanta, GA
Knowledgeable of the discipline specific methods, practices and techniques required to engineer design and construct process and manufacturing projects.
Added 12 mins ago
SI
Software Engineering - AgentExchange Buyer Experience - LMTS
Salesforce, Inc.
CA · WA
- $148,500 to $285,800 USD / year
As a Lead/Senior Engineer on this team, you'll be working with multiple teams across the platform to design, develop, and deliver solutions that define the buying experience for…
Added 12 mins ago
SI
Sr. AI SIEM Engineer
SAP IT Business Systeme
Bellevue, WA
- $131,000 to $271,600 USD / year
You're a senior security engineer with expert-level Microsoft Sentinel skills, a strong background in Infrastructure as Code, and deep experience in security telemetry engineering.

Klaviyo

Senior Security Engineer - Detection & Response

Boston, MA, United States
Denver, CO, United States
San Francisco, CA, United States

$141,600 - $212,400 USD

Apply on klaviyo.com About employer

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Job details

Pay: $141,600 - $212,400 USD
Experience: 5+ years of hands-on security experience in modern cloud environments
Posting language: English
Posted: Nov 13, 2026

Original job description

At Klaviyo, we value the unique backgrounds, experiences and perspectives each Klaviyo (we call ourselves Klaviyos) brings to our workplace each and every day. We believe everyone deserves a fair shot at success and appreciate the experiences each person brings beyond the traditional job requirements. If you’re a close but not exact match with the description, we hope you’ll still consider applying. Want to learn more about life at Klaviyo? Visit klaviyo.com/careers to see how we empower creators to own their own destiny.

Klaviyo is looking for a Senior Security Engineer to add to our growing Detection & Response Team. This is an engineering role that spans the full detection and response lifecycle - leveraging software development practices to build detections, triaging alerts, lead investigations, respond to incidents, perform threat hunting, and build the tooling that keeps us from doing the same work twice. As a member of the team, you will have the opportunity to work on complex large-scale security challenges across Klaviyo’s enterprise, cloud, and product environments, and shape how an engineering-first D&R function uses automation and AI in production, at scale, alongside talented and ambitious colleagues spanning multiple regions and timezones.

How you will make a difference:

Leverage engineering practices to develop, test, and deploy high-fidelity rule-based and anomaly-based detections-as-code
Detect and respond to cyber threats using security data lake, SIEM, and cloud platforms
Respond to alerts, cyber threats, and drive end-to-end incident response investigations
Perform digital forensic investigations to include collection and analysis of evidence
Automate and codify detection and response workflows and processes
Build security tooling to drive automation across D&R lifecycle
Improve and maintain detection and response pipelines and underlying systems
Work with our Threat Intelligence team to identify and respond to sophisticated threats
Develop AI-first security systems to automate detection and response operations
Conduct threat hunts across corporate, cloud and product environments
Support data engineering workflows for core security data lake and SIEM platforms
Be an active member of D&R on-call rotations
Coach and mentor security engineers within the detection & response team

We’d love to hear from you if you have:

5+ years of hands-on security experience in modern cloud environments
Experience in triaging and responding to cyber threats
Experience in large-scale log analysis, incident response and/or digital forensics
Experience with centralized security data lakes and SIEM solutions
Hands-on experience in writing detections-as-code
Solid data querying skills (e.g. SQL, Splunk)
Familiarity with large-scale data pipelines and data engineering techniques
Proficient in programming languages to automate / build (e.g., Python, Go or similar)
Proven experience with git/GitHub and CI/CD automations
Familiarity with tactics, techniques, and procedures used by threat actors
Experience being part of detection and response or incident response on-call
Engineering-first and AI-first approach for all work performed
Strong passion for continuous learning and staying updated on evolving technology
Strong oral and written communication skills
Team player with a strong, self-managing work ethic

Massachusetts Applicants:

It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Our salary range reflects the cost of labor across various U.S. geographic markets. The range displayed below reflects the minimum and maximum target salaries for the position across all our US locations. The base salary offered for this position is determined by several factors, including the applicant’s job-related skills, relevant experience, education or training, and work location.

In addition to base salary, our total compensation package may include participation in the company’s annual cash bonus plan, variable compensation (OTE) for sales and customer success roles, equity, sign-on payments, and a comprehensive range of health, welfare, and wellbeing benefits based on eligibility.

Your recruiter can provide more details about the specific salary/OTE range for your preferred location during the hiring process.

Base Pay Range For US Locations:

$141,600 - $212,400 USD

This role may require up to 10% travel for purposes such as new hire onboarding, client or partner work if applicable, team meetings, and industry events. Travel is coordinated in advance.

Get to Know Klaviyo

We’re Klaviyo (pronounced clay-vee-oh). We empower creators to own their destiny by making first-party data accessible and actionable like never before. We see limitless potential for the technology we’re developing to nurture personalized experiences in ecommerce and beyond. To reach our goals, we need our own crew of remarkable creators - ambitious and collaborative teammates who stay focused on our north star: delighting our customers. If you’re ready to do the best work of your career, where you’ll be welcomed as your whole self from day one and supported with generous benefits, we hope you’ll join us.

AI fluency at Klaviyo includes responsible use of AI (including privacy, security, bias awareness, and human-in-the-loop). We provide accommodations as needed.

By participating in Klaviyo’s interview process, you acknowledge that you have read, understood, and will adhere to our Guidelines for using AI in the Klaviyo interview Process. For more information about how we process your personal data, see our Job Applicant Privacy Notice.

Klaviyo is committed to a policy of equal opportunity and non-discrimination. We do not discriminate on the basis of race, ethnicity, citizenship, national origin, color, religion or religious creed, age, sex (including pregnancy), gender identity, sexual orientation, physical or mental disability, veteran or active military status, marital status, criminal record, genetics, retaliation, sexual harassment or any other characteristic protected by applicable law.

IMPORTANT NOTICE: Our company takes the security and privacy of job applicants very seriously. We will never ask for payment, bank details, or personal financial information as part of the application process. All our legitimate job postings can be found on our official career site. Please be cautious of job offers that come from non-company email addresses (@klaviyo.com), instant messaging platforms, or unsolicited calls.

By clicking "Submit Application" you consent to Klaviyo processing your Personal Data in accordance with our Job Applicant Privacy Notice. If you do not wish for Klaviyo to process your Personal Data, please do not submit an application. You can find our Job Applicant Privacy Notice here and here (FR).

Apply on klaviyo.com About employer

More about this job

Skills

Klaviyo
Incident response
Building systems monitoring technology
Data engineering
SQL
Splunk
Programming languages
Python
Go
GitHub
CI/CD
Communication skills
Manage work
Sales
Onboarding
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Work requirements

Jobs in the United States