Senior Security Engineer

At R3, we are committed to providing our clients with best‑in‑class solutions for all of their IT needs. We are relentless in our pursuit of excellence and dedicated to delivering unsurpassed quality, service, and value day in and day out. As we continue to grow and innovate, we are seeking passionate and dedicated individuals to join our team. If you’re ready to join our mission of setting the standard for IT excellence, we are looking for an experienced Senior Security Engineer to design, implement, and maintain the Azure Sentinel SIEM solution.

• Design and implement Azure Sentinel architecture, including data connectors, analytics rules, logic apps, workbooks, and automation playbooks
• Configure and manage Azure Sentinel data sources, such as Azure Activity Logs, Azure Security Center, Microsoft Defender for Cloud, and third‑party data sources
• Develop and maintain custom analytics rules, hunting queries, and machine learning models to detect and respond to security threats effectively
• Collaborate with the security operations team to investigate and respond to security incidents, leveraging Azure Sentinel’s incident management capabilities
• Implement and maintain Azure Sentinel automation playbooks for incident response, orchestration, and integration with other security tools
• Optimize Azure Sentinel performance, scalability, and cost‑effectiveness through appropriate configuration and resource management
• Stay up to date with the latest Azure Sentinel features, security best practices, and industry trends, and contribute to continuous improvement of the organization’s security posture
• Provide technical guidance, mentoring, and knowledge sharing to junior team members and other stakeholders

• Bachelor’s degree in computer science, information technology, or a related field, or equivalent experience
• Minimum of 5 years of experience in cybersecurity, with a strong focus on SIEM solutions
• Extensive hands‑on experience with Microsoft Azure Sentinel, including deployment, configuration, and administration
• In‑depth knowledge of Azure services, such as Azure Monitor, Azure Security Center, and Azure Log Analytics
• Proficiency in scripting languages (e.g., Power Shell, Python) and data analytics tools (e.g., Kusto Query Language)
• Familiarity with security frameworks, standards, and best practices (e.g., NIST, CIS, MITRE ATT&CK)
• Strong problem‑solving, analytical, and troubleshooting skills
• Excellent communication and collaboration abilities, with the ability to work effectively in a team environment
• Certification in Microsoft Azure (e.g., Azure Security Engineer Associate) or other relevant security certifications preferred

• Competitive wages to reflect your experience and skills
• Comprehensive medical, dental, and vision insurance plans
• 401(k) with company match
• Flexible time off policies
• 9 company holidays plus 2 floating holidays
• Paid volunteer time off to give back to the community
• Remote opportunities available
• Commitment to creating a positive impact on society and community engagement
• Industry‑shaping innovation and continuous learning incentives
• The opportunity to be part of an amazing team

The salary range for this position is $90,000 – $130,000 per year. Base salary may vary depending on education, experience, certifications and skill set.

Mid‑Senior level

Full‑time

Information Technology

R3 is an equal‑opportunity employer. We do not discriminate on the basis of race, color, religion, gender, gender identity, pregnancy, marital status, sexual orientation, age, national origin, alienage or citizenship status, veteran or military status, disability, medical condition, genetic information, or any other characteristic prohibited by federal, state, and/or local laws. This policy applies to all aspects of employment.