M365 Incident Responder Jobs

Citi

Location:
United States, Irving ▼
Tampa

Category:
IT - Administration

Contract Type:
Not provided

Salary:

125760.00 - 188640.00 USD / Year

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Job Description:

Citi's Security Operations Center (SOC) Cloud Incident Response Team seeks a highly skilled and experienced M365 Incident Response practitioner to support critical efforts aimed at protecting Citi public cloud infrastructure, assets, clients and stakeholders. This is a demanding role with global exposure and responsibility. You will serve both as a technical subject matter expert and as an ambassador for the Cloud Incident Response team.

Job Responsibility:

Act as a subject matter expert on incident response for Entra ID and M365 set of services
Collaborate across teams to develop capabilities that support incident response and forensic analysis of M365 incidents
Designing, implementing, and participating in the incident response processes specific to Entra ID and M365 deployments
Develop, document and maintain operationally effective playbooks to deal with cloud based incidents
Collaborate with global multidisciplinary groups for triaging and defining the scope of large scale incidents
Document and present investigative findings for high profile events and other incidents of interest
Participate in readiness exercises such as purple team, table tops, etc.
Train junior colleagues on relevant best practices
Mitigate risk by analyzing the root cause of issues, impacts to business, and required corrective actions and develop security solutions
Provide Information Security advice and counsel as needed

Requirements:

Consistently demonstrates clear and concise written and verbal communication
Proven influencing and relationship management skills
Strong understanding of security incident response processes
Excellent technical documentation skills
Proven analytical skills
Knowledge of the tools and processes to provide operational security support to the Microsoft 365 (M365) ecosystem
Advanced proficiency with Microsoft 365 services and their security configurations
Hands-on experience with M365 including configuration, analysis and pivoting through large data sets and security best practices
Experience with Identity and Access Management and M365 services - OneDrive, Teams, SharePoint, Exchange Online, etc.
Proficient with Azure/M365 tenant capabilities and roles that support incident response/forensic analysis
Experience with various log aggregation/data analytics tools, such as Splunk, Elasticsearch, etc.
Industry-accredited certifications required
M365 security certifications preferred
Bachelor's degree/University degree or equivalent experience with 5+ years of relevant M365/Azure experience
Master's degree preferred

Nice to have:

M365 security certifications (ex: M365 Information Protection Administrator Associate, M365 Security Operations Analyst/Associate, M365 Certified Security Administrator Associate, etc.)
Other cloud security certifications (AWS, GCP, Azure, etc.)
Master's degree

What we offer:

Medical, dental & vision coverage
401(k)
Life, accident, and disability insurance
Wellness programs
Paid time off packages including vacation, sick leave, and paid holidays
Discretionary and formulaic incentive and retention awards

Additional Information:

Job Posted:
September 06, 2025

Expiration:
December 31, 2025

Employment Type:

Fulltime

Work Type:

Hybrid work

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M365 Incident Responder