Monitoring & Triage Security Engineer

  • Full-time

Company Description

Block is one company built from many blocks, all united by the same purpose of economic empowerment. The blocks that form our foundational teams — People, Finance, Counsel, Hardware, Information Security, Platform Infrastructure Engineering, and more — provide support and guidance at the corporate level. They work across business groups and around the globe, spanning time zones and disciplines to develop inclusive People policies, forecast finances, give legal counsel, safeguard systems, nurture new initiatives, and more. Every challenge creates possibilities, and we need different perspectives to see them all. Bring yours to Block.

Job Description

The Detection and Response Engineering team contributes to the overall mission through intrusion detection, incident response, signals development, and security pipeline engineering. We are an engineering-focused team and prioritize our work using an attack-driven defensive approach to prioritize our preventive controls, detective controls, and response programs based on real-world attacker behaviors. We automate the detection of, and response to, various attack techniques. Also, we proactively hunt for threats in the environment and are responsible for investigations into potential compromise. As a Monitoring & Triage Security Engineer, your primary focus areas will be around monitoring, triage, and investigations management.

You will:

  • Monitor and triage events and alerts through intrusion detection queues, internal Slack channels, vulnerability reports, and other data sources across our ecosystem

  • Support day-to-day alert investigation and response activities, as well as own and drive the resolution of complex security incidents and investigations. From log analysis, potential data leaks, cloud detections, unusual logins, to malware reversing, supporting detection tuning, and threat-hunting

  • Facilitate the creation and or refinement of security policies, runbooks, security metrics, standards, baselines, and guidelines

  • Lead team and cross-team projects focused on runbook, process, and tooling/automations

  • Develop and adjust automations, scripts, and security tool configurations to drive efficiencies and enhance investigations

  • Identify opportunities to improve investigation and triage response processes, engineering workflows, and potential efficiency gains via automations

  • Advise on continuous process improvement via introducing new tools, technologies, practices to help the team scale, and strengthen our security posture

  • Lead and participate in tabletop exercises across diverse business areas and geographies to ensure operational readiness



  • 3+ years of relevant systems, networking, forensics tools, and security experience

  • Strong knowledge of security principles, indications of compromise, and detection and response capabilities

  • Experience with cloud (AWS and GCP) security fundamentals, networking, and Linux fundamentals

  • Familiarity with Windows, Linux, and MacOS TTPs and MITRE frameworks

  • Knowledge of SQL and log query languages 

  • Knowledge of a programing language for automation and scripting

  • Strong problem solving, investigatory, and troubleshooting skills

  • Excellent communication and interpersonal skills

  • Effective organizational skills and ability to manage priorities in a fast-paced environment

  • Empathy, patience, a desire to learn, and help your teammates grow

  • Ability to work independently or collaboratively and lead projects and initiatives

Additional Information

We’re working to build a more inclusive economy where our customers have equal access to opportunity, and we strive to live by these same values in building our workplace. Block is a proud equal opportunity employer. We work hard to evaluate all employees and job applicants consistently, based solely on the core competencies required of the role at hand, and without regard to any legally protected class.

We believe in being fair, and are committed to an inclusive interview experience, including providing reasonable accommodations to disabled applicants throughout the recruitment process. We encourage applicants to share any needed accommodations with their recruiter, who will treat these requests as confidentially as possible. Want to learn more about what we’re doing to build a workplace that is fair and square? Check out our I+D page


We want you to be well and thrive. Our global benefits package includes:

  • Healthcare coverage
  • Retirement Plans
  • Employee Stock Purchase Program
  • Wellness perks
  • Paid parental leave
  • Paid time off
  • Learning and Development resources

Block, Inc. (NYSE: SQ) is a global technology company with a focus on financial services. Made up of Square, Cash App, Spiral, TIDAL, and TBD, we build tools to help more people access the economy. Square helps sellers run and grow their businesses with its integrated ecosystem of commerce solutions, business software, and banking services. With Cash App, anyone can easily send, spend, or invest their money in stocks or Bitcoin. Spiral (formerly Square Crypto) builds and funds free, open-source Bitcoin projects. Artists use TIDAL to help them succeed as entrepreneurs and connect more deeply with fans. TBD is building an open developer platform to make it easier to access Bitcoin and other blockchain technologies without having to go through an institution.

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