Senior Incident Responder

DocuSign; North Sydney; Hybrid; AUD 150,000 - 200,000; Full time

Job summary

DocuSign is seeking a Senior Incident Responder to join our CSIRT in a hybrid Australia location. You will lead incident investigations, triage alerts from the SOC, and drive continuous improvement of incident response capabilities, reporting to the CSIRT Senior Manager.

With 8+ years in cybersecurity, you will leverage SIEM/EDR tools, conduct forensics, and apply MITRE ATT&CK. You will collaborate across teams, stay ahead of AI-driven threats, and contribute to proactive threat hunting and

Qualifications

• 8+ years of hands-on cybersecurity experience with SOC/IR focus.
• Solid understanding of incident response lifecycles and security best practices.
• Experience with SIEM tools for alert analysis and log correlation.
• Familiarity with EDR solutions and their role in incident investigation.
• Strong digital forensics knowledge and enterprise forensic tools.

Responsibilities

• Leverage AI and ML tools to enhance log analysis, alert triage, and threat hunting.
• Monitor for and investigate security incidents involving AI/ML models.
• Collaborate with detection engineering to develop AI-based detection logic to improve SOC visibility.
• Research and adopt emerging AI-driven security technologies for CSIRT capabilities.
• Perform initial triage and in-depth analysis of security alerts from SIEM and other tools.
• Correlate events from various log sources to identify incidents.
• Determine the scope, severity, and impact of detected threats.
• Conduct technical investigations including malware analysis, phishing, and web app compromises.
• Utilize digital forensics techniques to gather evidence and timelines.
• Support containment, eradication, and recovery under CSIRT guidance.
• Document incident findings and lessons learned.
• Participate in proactive threat hunting to uncover hidden threats.
• Stay informed about latest threat intel and attack techniques.
• Work with SIEM and SOAR to optimize alert processing and workflows.
• Identify opportunities for automation in security operations.
• Collaborate with other security teams, IT, and business units during incident response.
• Provide updates on incident status to the CSIRT Manager and post-incident reports.

Skills

SOC operations

Incident response

SIEM analysis

EDR experience

Digital forensics

Scripting (Python)

MITRE ATT&CK

AI/ML security

Threat hunting

Communication skills

Education

Bachelor’s or Master’s degree in CS/InfoSec

GCFA/GCED/GCIH/CISSP/CISM

Tools

Splunk

QRadar

Sentinel

SOAR platforms

Job description

Senior Incident Responder

Location: AU-NS-Sydney

Category: Security

Position Type: Regular

Company Overview

Docusign brings agreements to life. Over 1.5 million customers and more than a billion people in over 180 countries use Docusign solutions to accelerate the process of doing business and simplify people’s lives. With intelligent agreement management, Docusign unleashes business-critical data that is trapped inside of documents. Until now, these were disconnected from business systems of record, costing businesses time, money, and opportunity. Using Docusign’s Intelligent Agreement Management platform, companies can create, commit, and manage agreements with solutions created by the #1 company in e-signature and contract lifecycle management (CLM).

What you'll do

We are looking for highly motivated and skilled CSIRT Senior Incident Responders to join our dynamic security team in India or Australia. Reporting directly to the CSIRT Senior Manager, this individual contributor role is crucial for our \"Detect & Respond\" function. You will be at the forefront of identifying and investigating security incidents, triaging alerts from our Security Operations Center (SOC), and contributing to the continuous improvement of our incident response capabilities. This role requires a strong technical background, the ability to be on-call, excellent analytical skills, and a proactive approach to cybersecurity.

This position is an individual contributor role reporting to the Senior Manager of CSIRT.

Responsibility

• Leverage AI and machine learning tools to enhance the efficiency of log analysis, alert triage, and threat hunting


• Monitor for and investigate security incidents involving AI/ML models, such as adversarial attacks, prompt injection, and model evasion


• Collaborate with detection engineering to develop and tune AI-based detection logic to improve SOC visibility


• Research and adopt emerging AI-driven security technologies to evolve CSIRT's proactive defense capabilities


• Perform initial triage and in-depth analysis of security alerts generated from our SIEM and other security monitoring tools


• Correlate events from various log sources to identify potential security incidents


• Determine the scope, severity, and potential impact of detected threats


• Conduct technical investigations into cybersecurity incidents, including malware analysis, phishing attacks, web application compromises, and insider threats


• Utilize digital forensics techniques on data and endpoints to gather evidence and understand incident timelines and methods


• Support incident containment, eradication, and recovery efforts under the guidance of the CSIRT Manager


• Document incident findings, actions taken, and lessons learned


• Participate in proactive threat hunting activities to uncover hidden threats within the enterprise environment


• Stay informed about the latest threat intelligence and emerging attack techniques


• Work with SIEM and SOAR platforms to optimize alert processing and incident workflows


• Identify opportunities for automation to streamline security operations


• Collaborate effectively with other security teams, IT, and business units during incident response


• Provide clear and concise updates on incident status to the CSIRT Manager including post-incident reports and analysis

Job Designation

Hybrid: Employee divides their time between in-office and remote work. Access to an office location is required. (Frequency: Minimum 2 days per week; may vary by team but will be weekly in-office expectation)

Positions at Docusign are assigned a job designation of either In Office, Hybrid or Remote and are specific to the role/job. Preferred job designations are not guaranteed when changing positions within Docusign. Docusign reserves the right to change a position's job designation depending on business needs and as permitted by local law.

What you bring

Basic

• 8+ years of hands-on experience in cybersecurity, with a focus on Security Operations (SOC) and/or Incident Response


• Solid understanding of cybersecurity principles, incident response lifecycles, and security best practices


• Experience with SIEM tools (e.g., Splunk, QRadar, Sentinel) for alert analysis and log correlation


• Familiarity with EDR solutions and their role in incident investigation


• Strong familiarity with digital forensics principles and techniques and enterprise forensic solutions


• Knowledge of scripting languages (e.g., Python, PowerShell, Bash) for automation and data analysis


• Deep understanding of the MITRE ATT&CK framework and cyber kill chain


• Understanding of AI-driven security threats, including adversarial attacks and model evasion, and the ability to leverage AI/ML tools to enhance incident response and threat hunting


• Familiarity with AI-specific threat intelligence and incident response playbooks for securing AI/ML production environments

Preferred

• Bachelor’s or Master’s degree in Computer Science, Information Security, or a related field


• Advanced industry certifications such as GCFA, GCED, GCIH, GCIA, CISSP, or CISM


• Experience designing or maturing enterprise IR and DFIR programs


• Hands-on experience with SOAR platforms and large-scale automation initiatives


• Strong cloud security background, including IAM, container security, and SaaS platforms


• Experience working with legal, privacy, and compliance teams on breach notification and regulatory response


• Exceptional communication skills with experience presenting to executive leadership


• Demonstrated ability to mentor junior security staff and influence across teams


• Experience with AI security frameworks such as MITRE ATLAS or OWASP Top 10 for LLMs


• Strong analytical and problem-solving skills, with a keen eye for detail


• Excellent communication skills, both written and verbal, with the ability to explain technical concepts clearly


• Ability to work effectively as part of a team and independently under pressure

Life at DocuSign

Working here

Docusign is committed to building trust and making the world more agreeable for our employees, customers and the communities in which we live and work. You can count on us to listen, be honest, and try our best to do what’s right, every day. At Docusign, everything is equal.

We each have a responsibility to ensure every team member has an equal opportunity to succeed, to be heard, to exchange ideas openly, to build lasting relationships, and to do the work of their life. Best of all, you will be able to feel deep pride in the work you do, because your contribution helps us make the world better than we found it. And for that, you’ll be loved by us, our customers, and the world in which we live.

Accommodation

Docusign is committed to providing reasonable accommodations for qualified individuals with disabilities in our job application procedures. If you need such an accommodation, or a religious accommodation, during the application process, please contact us at [e-mail].

If you experience any issues, concerns, or technical difficulties during the application process please get in touch with our Talent organization at [e-mail] for assistance.

Applicant and Candidate Privacy Notice