Do you have a passion for security and excitement about impacting some of the largest and most complex security challenges Microsoft is involved with to protect petabytes of business-critical customer data? We are looking for a Security Response Team (SRT) Investigator with the right mix of technical depth, engineering background, on-line services experience, and collaboration skills to help grow and protect Office 365 cloud services.

Microsoft 365 is at the center of Microsoft’s cloud first, devices first strategy bringing together cloud-hosted offerings of our most trusted communications and collaboration services (like Exchange, SharePoint, Teams, and more!) with our cross-platform desktop and mobile clients.

As a Security Investigator II you will work closely with other cloud and security experts across Microsoft to investigate threats, proactively hunt for compromise, automate capabilities, develop security tooling and data automation, and contribute your experience and expertise to countless other projects. We work in DevOps model within the Security business and need someone who has a passion for automating their way our of having to do the same thing twice and always thinking about how to scale what we do to millions and millions of users, hosts, and operations. You will be working to solve issues related to the latest security trends and early warning indicators, as well as help design solutions for emerging threats. M365 Security is a fast-paced team that constantly provides new opportunities to learn and grow.

Responsibilities

• Assess threats to the service
• Perform investigation on suspected vulnerable or compromised assets and services, and analyze log data and other artifacts to determine what occurred.
• Identify potential issues with detection (e.g., false positives, noise). Analyze potential or actual intrusions identified as a result of monitoring activities. Create detections based on available data (e.g., Indicators of Compromise [IOC] and Tools Tactics Procedures [TTP]). Continue to drive automation of detection and response.
• Plan and execute proactive adversary hunt for malicious activity using myriad log sources, network- and host-based tools, and threat intelligence to identify the threat actors and their tools and techniques.
• Analyze key metrics and key performance indicators (KPIs) and other data sources (e.g., bugs, unhealthy data pipeline) and identifies trends in security issues and escalates appropriately. Recommend improvements and/or metrics to address gaps in measurement.
• Proactively identify and investigate potential issues in controls (e.g., network, identity, etc.). Leverage expertise and team members to address and drive down issues accordingly. Identify and/or recognize patterns and recommend potential mitigation strategies.
• Identify and raise opportunities for automation to improve efficiency and effectiveness. Create automation as appropriate to drive greater efficiency with high value.

Qualifications

Security Clearance Requirements:

• The successful candidate must have an active U.S. Government Top Secret Clearance with access to Sensitive Compartmented Information (SCI) based on a Single Scope Background Investigation (SSBI) with Polygraph. Ability to meet Microsoft, customer and/or government security screening requirements are required for this role. Failure to maintain or obtain the appropriate U.S. Government clearance and/or customer screening requirements may result in employment action up to and including termination.
• Clearance Verification: This position requires successful verification of the stated security clearance to meet federal government customer requirements. You will be asked to provide clearance verification information prior to an offer of employment.
• Citizenship Verification: This position requires verification of US Citizenship to meet federal government security requirements.
• Microsoft Cloud Background Check: This successful candidate to pass the Microsoft Cloud background check upon hire/transfer and every two years thereafter.

Core Qualifications

• 4+ years working in cyber security (Information Security, InfoSec, SecOps, Security Operations, SOC, CSOC, analyst, researcher, etc.).
• Deep understanding of adversary and cyber intel frameworks such as kill-chain model, ATT&CK framework, and Diamond Model.
• Experience with big data and SIEM solutions such as ArcSight, Splunk, ElasticSearch, Logstash, Azure Data Explorer, Azure Log Analytics, Azure Data Lake, or Azure Sentinel.
• Skilled working with extremely large data sets to answer complex and ambiguous questions, using tools and languages like: SQL, KQL, Jupyter Notebook, Spark, Azure Synapse, R, U-SQL, Python, Splunk, and PowerBI.
• Previous experience performing development and code debugging with functional or object-oriented programming such as .NET or Java.
• Demonstrate ability to understand and communicate technical details with varying levels of management.
• Expectation to learn new tools and techniques every day.

Preferred Qualifications

• Prior experience working with the US Government or US Department of Defense
• Bachelor's degree in related discipline such as computer security, computer science, computer engineering or information technology.
• Good working knowledge of common security, encryption, and protocols such as encryption, PKI, modern authentication and cloud app authorization architectures and protocols such as SAML or OAUTH.
• Past experience working in large scale enterprise products: M365 products such as Exchange, SharePoint, Skype, Teams.
• Deep and practical OS security/internals knowledge for Linux and Windows.
• Exposure to security related subjects and trends such as digital forensics, reverse engineering, penetration testing, and malware analysis.
• Experience with the Microsoft cloud and/or stack including O365, Azure, Windows or other Microsoft software/services
• Ability to work effectively in ambiguous situations and respond favorably to change.
• Comfortable working in a startup mode on a new team where there is lots of opportunity.
• Certifications like GCIA, GSLC, GCIH, CISM, CISSP, CEH, Etc. are plus.

Candidates selected for this position must comply with Federal Executive Order 14042 mandating that federal contractors and subcontractors receive the COVID-19 vaccine by being fully vaccinated before their date of hire, or work with Microsoft to receive an approved religious or medical accommodation.

Microsoft is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to age, ancestry, color, family or medical care leave, gender identity or expression, genetic information, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran status, race, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable laws, regulations and ordinances. We also consider qualified applicants regardless of criminal histories, consistent with legal requirements. If you need assistance and/or a reasonable accommodation due to a disability during the application or the recruiting process, please send a request via the Accommodation request form.

Benefits/perks listed below may vary depending on the nature of your employment with Microsoft and the country where you work.