We Help the World Be Everyday Ready™ Today's threatscape is relentless. So are we. At Cyderes, we build practical Identity & Access Management (IAM), Exposure Management, and risk programs, helping organizations stop active threats fast with Managed Detection & Response (MDR) that integrates with existing tools. Powering it all is Meridian, our entity fabric that connects identities, assets, and access into one trusted reality. Augmented by AI and driven by experienced operators, our tireless global team arms organizations with the people, platforms, and perspectives they need to conquer whatever tomorrow throws their way. 🏆 Great Place to Work® Certified™ We Help the World Be Everyday Ready™ Today's threatscape is relentless. So are we. At Cyderes, we build practical Identity & Access Management (IAM), Exposure Management, and risk programs, helping organizations stop active threats fast with Managed Detection & Response (MDR) that integrates with existing tools. Powering it all is Meridian, our entity fabric that connects identities, assets, and access into one trusted reality. Augmented by AI and driven by experienced operators, our tireless global team arms organizations with the people, platforms, and perspectives they need to conquer whatever tomorrow throws their way. 🏆 Great Place to Work® Certified™ About the Job: The Senior Security Engineer – Microsoft Sentinel & Defender XDR is a senior technical authority within Cyderes' Managed Sentinel SIEM and MDR services. You will manage and contribute in advancing detection, platform reliability, and security automation for managed clients. Beyond daily platform operations, the Senior Security Engineer leads advanced detection engineering, Create optimization and standardisation efforts, and serve as an escalation point for complex ingestion, telemetry, and investigation challenges. This role partners with MDR, SOC, architecture, and customer team members to ensure Microsoft Sentinel and Defender XDR implementations are, cost-effective, and in consideration of real-world threat activity. As a trusted technical advisor, you influence platform strategy, mentor junior engineers, and help shape service evolution by identifying gaps, improving alert fidelity, and ensuring scalable automation. You will represent the Cyderes brand through technical leadership, and delivery excellence that meets client expectations. You will be reporting to Senior Manager, Managed Platforms. About the Job: The Senior Security Engineer – Microsoft Sentinel & Defender XDR is a senior technical authority within Cyderes' Managed Sentinel SIEM and MDR services. You will manage and contribute in advancing detection, platform reliability, and security automation for managed clients. Beyond daily platform operations, the Senior Security Engineer leads advanced detection engineering, Create optimization and standardisation efforts, and serve as an escalation point for complex ingestion, telemetry, and investigation challenges. This role partners with MDR, SOC, architecture, and customer team members to ensure Microsoft Sentinel and Defender XDR implementations are, cost-effective, and in consideration of real-world threat activity. As a trusted technical advisor, you influence platform strategy, mentor junior engineers, and help shape service evolution by identifying gaps, improving alert fidelity, and ensuring scalable automation. You will represent the Cyderes brand through technical leadership, and delivery excellence that meets client expectations. You will be reporting to Senior Manager, Managed Platforms. Responsibilities: - Directly manage Director, Sr. Manager, and Manager-level team members supporting IT security-based engineers assisting clients in the delivery of Managed Security Services. - Oversee Project Management Office activity associated with leading Managed and Consulting Service-related projects. - Lead all SIEM and EDR management support activities contained within Cyderes' service portfolio. - Enhance all onboarding, and SIEM and EDR operational procedures, to optimize support models as needed improving operations efficiency. - Develop support of SIEM and EDR 3rd party launched features and functionality as it becomes available to Cyderes' client base. - Stay up-to-date with latest technologies and industry trends, and recommend new technologies to improve delivery of the services that the team members provide. - Collaborate with our internal teams to define Cyderes' technical strategy. - Build operational measures that provide visibility into the performance levels of all operational team members. - Get directly involved in resolving any and all client escalations as required. - Act as an escalation point, 24x7, for any significant onboarding and operational and client issues that may occur. Requirements: - Bachelor's degree in computer science, Engineering, or a related field - At least ten years of experience in engineering, to include managing multiple organizations. - Experience with SIEM technology such as Crowdstrike Next Gen, Splunk, Microsoft Sentinel, and Google Chronicle - Familiarity with EDR technology such as Crowdstrike Falcon, Microsoft Defender, and Sentinel One - Experience in supporting client service onboarding activity. - Experience in leading organizations within a Professional Service practice. - Experience leading a global team of experienced engineers and managers. - Experience in supporting client service delivery directly to include engagement with senior-level C-suite officers. - Convey complex technical concepts to both technical and non‑technical team members. - Experience working in a fast‑paced environment. WHY CYDERES? Benefits that go beyond the basics, we support our people so they can do their best work. ✔ Medical Insurance - Employee + dependents covered ✔ Life Insurance - Protection for what matters most ✔ Retirement Match Program - We invest in your future ✔ Hybrid Work Model - 2–3 days in office ✔ Maternity & Paternity Leave - Time for the moments that matter ✔ Paid Time Off - PTO + sick & casual leave ✔ Bereavement & Volunteer Time - Give back to your community ✔ Professional Development - Reimbursement program ✔ LinkedIn L&D Platform - Thousands of courses at your fingertips ✔ Mobile Phone Reimbursement - Stay connected, on us Cyderes is an Equal Opportunity Employer (EOE). Qualified applicants are considered for employment without regard to race, religion, color, sex, age, disability, sexual orientation, genetic information, national origin, or veteran status. Note: This job posting is intended for direct applicants only. We request that outside recruiters do not contact us regarding this position.

Senior Security Engineer - Microsoft Sentinel SIEM

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