Sr Cyber Threat Analyst

Join a dynamic team at the pulse of global markets, where we deliver innovative software and service solutions for essential financial reporting and capital markets transactions. At DFIN, we are a values-driven organization that empowers you to build a fulfilling career while bringing your authentic self to work every day. Our “Win as One” mentality ensures that our team’s success is directly linked to Client, Shareholder and Employee Satisfaction. Recognized as one of AMERICA'S MOST LOVED WORKPLACES® for five consecutive years and a Built In Best Places to Work for six years, we are committed to our employees’ total well-being. Enjoy competitive compensation, a flexible workplace, comprehensive benefits, and opportunities for professional growth. Bring your passion and talents to DFIN – because being YOU thrives here. Summary: The Senior Cyber Threat Analyst will lead efforts to investigate cybersecurity incidents from end-to-end, engaging and coordinating peer teams, stakeholders, and external entities as necessary. This person will play a role of subject matter expert in the areas of incident response, threat hunting, and forensics. The Senior Cyber Threat Analyst will author incident response runbooks and mentor cyber threat analysts in incident response and digital forensics methodologies. Responsibilities: Lead incident response activities to identify, assess, contain, mitigate all observed threats and document all investigational efforts for multiple audiences Develop and operationalize incident response runbooks with an emphasis on automation and ability to measure incident response effectiveness (Develop/track KPIs) Document and track incident response investigations, including observed IOCs and TTPs, system(s) impacted, criticality and scope of any data exposure, lessons learned, follow-up items Act as a liaison between a diverse group of teams including engineering, security, and network & system operations to ensure effective adoption of incident response requirements and operational considerations Act as incident manager for all declared cyber security incidents Conduct traditional forensic and data acquisition activities utilizing industry standard commercial and open-source toolsets Identify, analyze, and interpret trends or patterns in complex data sets Work with the functional business areas as needed during incident response investigations Develop, customize, and maintain reporting around key metrics related to investigational and threat hunting activities Serve as a trusted advisor to the team Lead, Manger, and the SVP, and CISO on sensitive matters warranting confidentiality Communicate and present issues/investigation results to peer and executive-level audiences Demonstrate subject matter expertise across most technology domains Perform other duties as assigned Qualifications: Bachelor’s degree with 8+ years of relevant experience or 10+ years of equivalent experience through work and education 8+ years of cybersecurity investigation and incident response experience Strong understanding of operating systems (Windows, macOS, Linux, Unix, mobile) Experience investigating incidents in cloud environments (SaaS, PaaS, and other cloud platforms) Preferred Qualifications: Security certifications (e.g., CISSP, GSEC, GCFA, GCFE) Strong analytical and problem-solving skills Knowledge across cybersecurity domains, including firewalls, IDS, and network security platforms Experience leveraging threat intelligence in security operations Advanced knowledge of cyber attack techniques and mitigation strategies Ability to assess risk using qualitative and quantitative methods Strong communication skills for technical and leadership audiences Proven ability to handle confidential data and follow procedures Ability to perform effectively in fast-paced, high-pressure environments Expertise in incident response, digital forensics, network traffic, log, and malware analysis Familiarity with MITRE ATT&CK and ATLAS frameworks Experience with SIEM, SOAR, and EDR tools for detection and response It is the policy of Donnelley Financial Solutions to select, place, and manage all its employees without discrimination based on race, color, national origin, gender, age, religion, actual or perceived disability, veteran status, actual or perceived sexual orientation, genetic information or any other protected status. 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