Full-Time

Security Engineer

Incident Response

Twilio

Twilio

5,001-10,000 employees

Cloud communications platform with APIs

No salary listed

Remote in UK

Remote

Remote within the United Kingdom, with occasional travel for project or team in-person meetings.

Category
IT & Security (1)
Required Skills
LLM
Malware Analysis
Incident Response
AWS
Google Cloud Platform

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Requirements
  • The candidate must have at least 3 years of security incident response experience in a production cloud environment.
  • The candidate must be a subject-matter expert in security issues and technologies.
  • The candidate must be able to use artificial intelligence for complex security incident response activities and deliver high-fidelity detections.
  • The candidate must have advanced knowledge of service-oriented architectures and experience with security tools and technologies suited to cloud environments.
  • The candidate must have experience working across a technology stack on difficult security challenges and initiatives.
  • The candidate must have experience with security information and event management platforms and be able to extend their functionality.
  • The candidate must have experience with security orchestration, automation, and response tools and automating manual security processes.
  • The candidate must have experience with Amazon Web Services, Google Cloud Platform, or another large cloud platform.
  • The candidate must have strong written and verbal communication skills.
  • The candidate must be able to influence and build effective working relationships across all organizational levels.
Responsibilities
  • Lead and support responses to security events and incidents across the organization’s global infrastructure, services, and applications.
  • Document incidents and projects and create best practices as runbooks and standard operating procedures to share knowledge across teams.
  • Collaborate across teams to understand and solve challenges related to a broad spectrum of threat actors and activity.
  • Improve the organization’s security and reliability posture by driving improvements identified from security events and incidents.
  • Acquire new technical skills and knowledge in a fast-paced industry environment.
  • Own the security incident lifecycle, respond to incidents, participate in an on-call rotation, and participate in root-cause analyses for security incidents.
  • Build and maintain positive relationships with internal customers to identify and facilitate solutions that increase the team’s impact.
  • Provide mentorship, support, and care for the team to enable long-term career development, well-being, and success at scale.
Desired Qualifications
  • Support implementation of controls and safeguards to prevent artificial intelligence vulnerabilities such as prompt injection, model evasion, and data poisoning.
  • Use generative artificial intelligence and large language model-based security use cases to interpret alerts, reduce false positives, and contextualize threat data.
  • Collect intrusion artifacts and forensically sound images to analyze malware, trojans, and source code.
  • Monitor external vendor data and threat intelligence to analyze trends and proactively defend against emerging risks.

Twilio provides a cloud communications platform that offers APIs to add voice, messaging, video, and email into software applications. Developers use these APIs to build and scale communication features directly inside their apps. The product works by making it easy to program communications: you send calls or messages through API requests, manage video sessions, and integrate email, all on a pay-as-you-go basis that scales with usage. Twilio stands out from competitors by focusing on developer-friendly APIs that cover multiple channels in one platform, supporting customers from startups to large enterprises with global reach and optional consulting services. The company’s goal is to help any business communicate with customers at scale by providing reliable, programmable communications across channels.

Company Size

5,001-10,000

Company Stage

IPO

Headquarters

San Francisco, California

Founded

2008

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Simplify Jobs

Simplify's Take

What believers are saying

  • Q2 2026 revenue reached $1.50 billion, rising 22% year over year.
  • Management raised 2026 organic revenue growth guidance to 13%-13.5% on August 6.
  • Free cash flow hit $353 million, while share repurchases totaled $66 million.

What critics are saying

  • Guidance still implies 2026 revenue growth slowing to 18%-18.5%, below Q2's 22%.
  • Amazon, Google, and Microsoft bundle competing communications APIs into larger cloud contracts.
  • If AI agents bypass Twilio's channels, its moat collapses into commoditized plumbing.

What makes Twilio unique

  • Twilio's May 2026 Console unifies messaging, voice, email, Segment, and AI workflows.
  • Its May 2026 platform adds Conversation Memory, Orchestrator, Intelligence, and Agent Connect.
  • Twilio's 4,800 carrier connections and telecom compliance expertise remain hard to replicate.

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Benefits

Vacation: Twilio offers generous annual time off in all countries for you to enjoy.

Healthcare: We are dedicated to helping our employees live longer and healthier lives through comprehensive health programs.

Retirement: Twilio cares about your retirement! We offer programs to help our employees plan for their retirement needs.

Family leave: At Twilio we recognize the importance of family. We offer generous maternity, paternity, and adoption leaves, as well as family medical care leave.

Earn your stripes: Build and present a Twilio app to earn your Twilio track jacket and receive $30 per month for e‑books for continued learning and education.

Catered meals: We provide a variety of snacks, drinks, and catered meals in each of our locations.

Growth & Insights and Company News

Headcount

6 month growth

-7%

1 year growth

-7%

2 year growth

-7%
Yahoo Finance
Aug 13th, 2026
Twilio director sells 500,000 shares worth $123.5M after stock surges 159%

Andrew Stafman, Director at Twilio, sold approximately 500,000 shares of Class A Common Stock on 12 August 2026 for $123.5 million, according to an SEC Form 4 filing. The transaction represents a 79% reduction in his holdings. The shares were sold at a weighted average price of $247.08 per share, following a 159% stock price appreciation over the preceding 12 months. The shares were held through various entities including Sachem Head Capital Management LP, with Scott Ferguson and Andrew Stafman sharing potential beneficial ownership. Following the sale, Stafman retains approximately 133,000 shares across direct and indirect accounts, representing roughly 0.088% of Twilio's outstanding shares. Twilio provides cloud-based communications platforms through APIs, serving customers ranging from startups to Fortune 500 companies.

Yahoo Finance
Aug 6th, 2026
Twilio's Q2 revenue jumps 22% to $1.5B, stock surges 15.7%

Twilio reported second-quarter results that exceeded expectations, with revenue up 22% year on year to $1.50 billion, beating analyst estimates of $1.43 billion. The customer engagement platform's non-GAAP profit of $1.47 per share surpassed consensus estimates by 11.1%. The company's third-quarter revenue guidance of $1.51 billion came in 3.2% above analyst expectations. Operating margin improved to 5.6%, up from 3% in the same quarter last year, whilst free cash flow margin rose to 23.5% from 9.4% the previous quarter. Following the results announcement, Twilio's stock jumped 15.7%. The company's net revenue retention rate increased to 116%, up from 114% in the prior quarter.

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Jul 14th, 2026
NICE vs Twilio: Profitability or growth potential in customer engagement tech

NICE and Twilio both serve the customer interaction technology market, but differ significantly in profitability and growth profiles. NICE, which provides AI-powered customer experience and financial compliance software, reported fiscal year 2025 revenue of nearly $2.9 billion, up 7.7% year-on-year. The company achieved net income of approximately $612.1 million with a 20.8% net margin. It maintains zero debt and generated free cash flow of roughly $622.8 million. Twilio offers developer tools for building messaging, voice, and email capabilities. Its fiscal year 2025 revenue grew 14% to nearly $5.1 billion. The company turned profitable with net income of approximately $33.8 million and a 0.7% net margin. Twilio generated free cash flow of approximately $1.0 billion whilst maintaining a low debt-to-equity ratio of 0.1x. NICE offers established profitability, whilst Twilio presents higher revenue growth potential.