Senior Security Engineer - Development

Overview Quantum computing has the potential to massively accelerate science and technology innovation. Microsoft Discovery & Quantum group is building advanced computing platforms, spanning HPC, AI, and quantum, to realize that future. You will join the Quantum Security & IT Operations (QSIT) team protecting a globally distributed research community and its intellectual property. This role will advance Quantum Security and IT Operations through automation, AI-assisted investigations, and detection engineering while supporting network, infrastructure, and physical security services. It combines hands-on security engineering with operational ownership to improve resilience, efficiency, and scalability. Applicants should bring broad technical experience across security, networking, and operations; deliver impactful projects in ambiguous environments; and demonstrate a bias for action and commitment to continuous learning. The Senior Security Engineer - Development position requires broad technical capability, sound judgment when handling sensitive issues, and the ability to deliver results in a fast-moving, operationally focused environment. Microsoft's mission is to empower every person and every organization on the planet to achieve more. As employees, we come together with a growth mindset, innovate to empower others, and collaborate to realize our shared goals. Each day we build on our values of respect, integrity, and accountability to create a culture of inclusion where everyone can thrive at work and beyond. Responsibilities Implement AI-enabled SOC automation and investigation capabilities, including signal enrichment, workflow orchestration, and analyst tooling. Develop and operate the security tooling, data integrations, dashboards, and supporting platforms required for reliable day-to-day security operations. Tune detections and investigation workflows to improve signal quality, reduce false positives, shorten investigation time, and increase analyst productivity. Participate in incident investigation and response, maintain operational readiness, and troubleshoot security issues affecting network, infrastructure, and physical security services. Partner with engineering, facilities, networking, and security teams to automate manual processes, resolve operational issues, and strengthen end-to-end resilience. Embody our Culture and Values Qualifications Required/minimum qualifications Doctorate in Statistics, Mathematics, Computer Science, or related field OR Master's Degree in Statistics, Mathematics, Computer Science, or related field AND 3+ years experience in software development lifecycle, large-scale computing, threat modeling, cyber security, anomaly detection, Security Operations Center (SOC) detection, threat analytics, security incident and event management (SIEM), information technology (IT), or operations incident response OR Bachelor's Degree in Statistics, Mathematics, Computer Science, or related field AND 4+ years experience in software development lifecycle, large-scale computing, threat modeling, cyber security, anomaly detection, Security Operations Center (SOC) detection, threat analytics, security incident and event management (SIEM), information technology (IT), or operations incident response OR equivalent experience. Other Requirements Ability to meet Microsoft, customer and/or government security screening requirements are required for this role. These requirements include, but are not limited to the following specialized security screenings Microsoft Cloud Background Check: This position will be required to pass the Microsoft Cloud Background Check upon hire/transfer and every two years thereafter. Citizenship & Citizenship Verification: This role will require access to information that is controlled for export under export control regulations, potentially under the U.S. International Traffic in Arms Regulations (ITAR) or Export Administration Regulations (EAR), the EU Dual Use Regulation, and/or other export control regulations. As a condition of employment, the successful candidate will be required to provide either proof of their country of citizenship or proof of their U.S. permanent residency or other protected status (e.g., under 8 U.S.C. § 1324b(a)(3)) for assessment of eligibility to access the export-controlled information. To meet this legal requirement, and as a condition of employment, the successful candidate's citizenship will be verified with a valid passport. Lawful permanent residents, refugees, and asylees may verify status using other documents, where applicable. Additional or preferred qualifications Doctorate in Statistics, Mathematics, Computer Science, or related field AND 3+ years experience in software development lifecycle, large scale computing, threat modeling, cyber security, or anomaly detection OR Master's Degree in Statistics, Mathematics, Computer Science, or related field AND 6+ years experience in software development lifecycle, large scale computing, threat modeling, cyber security, or anomaly detection OR Bachelor's Degree in Statistics, Mathematics, Computer Science, or related field AND 8+ years experience in software development lifecycle, large scale computing, threat modeling, cyber security, or anomaly detection OR equivalent experience. CISSP CISA CISM SANS OSCP Security 2+ years of experience programming in C++/C# or Python or Scala or similar technologies. Demonstrated experience coordinating incidents and supporting live services, including investigation, containment, recovery, escalation, triage, root-cause analysis, stakeholder communication, and operational readiness. Hands-on experience with Microsoft Sentinel (KQL) or an equivalent enterprise SIEM, including detection engineering, data onboarding, investigative analysis, and resolution of ambiguous, high-impact security issues. Hands-on experience with security automation and AI-assisted operational workflows using PowerShell, Python, Logic Apps, or similar technologies for signal enrichment, investigations, workflow orchestration, and decision support. Working knowledge of enterprise networking, including DNS, TCP/IP, firewalls, routing, VPNs, and network troubleshooting. Experience working with SOC, NOC. Experience collaborating with corporate insider threat, investigations, legal, or trade compliance functions; exposure to dedicated insider threat platforms such as Purview, DTEX, Proofpoint ITM, Magnet Axiom, or Forcepoint. Experience designing, deploying, or evaluating agentic AI or LLM-based automation in a security operations context. Experience or interest in the specific challenges of protecting strategic research programs from sustained external targeting; familiarity with export control (EAR / ITAR) and government program environments. #Quantum #QuantumCareers #MDQCareers #Security Security Operations Engineering IC4 - The typical base pay range for this role across the U.S. is USD $119,800 - $234,700 per year. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $160,200 - $261,000 per year. Certain roles may be eligible for benefits and other compensation. Find additional benefits and pay information here: This position will be open for a minimum of 5 days, with applications accepted on an ongoing basis until the position is filled. Microsoft is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to age, ancestry, citizenship, color, family or medical care leave, gender identity or expression, genetic information, immigration status, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran or military status, race, ethnicity, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable local laws, regulations and ordinances. If you need assistance with religious accommodations and/or a reasonable accommodation due to a disability during the application process, read more about requesting accommodations. Microsoft Corporation