Job Overview
Location
Indiana, USA
Job Type
Full-time
Category
Security Engineer
Date Posted
February 27, 2026
Full Job Description
đź“‹ Description
- • Join Cyderes, a leading cybersecurity firm dedicated to helping organizations 'Be Everyday Ready™' against an ever-evolving threat landscape. We are seeking a highly motivated and customer-obsessed Security Engineer with a specialized focus on Microsoft Defender for Office 365 to join our dynamic Managed Services team.
- • In this critical role, you will be instrumental in safeguarding our clients' email and collaboration environments. Your primary responsibility will be the day-to-day operational management, configuration, and ongoing optimization of Microsoft Defender for Office 365 (MDO) and related Microsoft security technologies.
- • You will be tasked with ensuring the robust security posture of our clients' Microsoft 365 tenants, proactively identifying and mitigating potential threats, and providing comprehensive reporting to stakeholders.
- • This position demands a deep understanding of MDO features, including threat protection policies, anti-phishing, anti-malware, anti-spam, safe links, safe attachments, and threat investigation tools.
- • You will play a key role in the implementation and management of security policies, ensuring they align with best practices and client-specific requirements, thereby minimizing the attack surface and enhancing overall security resilience.
- • Proactive threat hunting and analysis will be a significant part of your responsibilities. You will leverage MDO's advanced hunting capabilities, SIEM integration, and other security tools to detect and respond to sophisticated threats targeting email and collaboration platforms.
- • You will be responsible for the continuous monitoring of security alerts, conducting in-depth investigations, and performing timely remediation actions to contain and resolve security incidents.
- • A crucial aspect of this role involves developing and maintaining clear, concise, and actionable reports for clients. These reports will detail security status, identified threats, incident summaries, and recommendations for improvement, demonstrating the value and effectiveness of our managed services.
- • You will collaborate closely with client IT and security teams, acting as a trusted advisor to provide expert guidance on MDO best practices, emerging threats, and security strategy.
- • Driving innovation and automation within the MDO platform will be highly encouraged. You will explore and implement new features, scripting opportunities, and integration possibilities to enhance operational efficiency and improve threat detection and response capabilities.
- • This role requires a meticulous approach to configuration management, ensuring all MDO settings are accurately documented, consistently applied, and regularly reviewed for compliance and effectiveness.
- • You will contribute to the development and refinement of standard operating procedures (SOPs) for MDO management, incident response, and client reporting, ensuring consistency and quality across our managed services.
- • Staying abreast of the latest Microsoft security updates, threat intelligence, and industry best practices related to MDO and Microsoft 365 security is paramount. You will be expected to continuously learn and adapt to new challenges.
- • The ideal candidate will possess a strong customer-centric mindset, understanding that client satisfaction and security are the ultimate goals. You will be adept at communicating complex technical information to both technical and non-technical audiences.
- • You will actively participate in team meetings, knowledge sharing sessions, and contribute to the overall growth and expertise of the Cyderes security operations center (SOC).
- • This role offers a unique opportunity to work with a cutting-edge security platform and contribute to the protection of diverse client environments, making a tangible impact on their security posture.
- • You will be empowered to take ownership of your work, drive initiatives, and contribute to a culture of continuous improvement and operational excellence within Cyderes.
- • Your expertise will directly contribute to Cyderes' mission of providing unparalleled cybersecurity services and ensuring our clients can confidently operate in today's complex digital world.
- • We are looking for individuals who are not just technically proficient but also possess a passion for cybersecurity and a desire to make a difference.
🎯 Requirements
- • Proven experience in managing and configuring Microsoft Defender for Office 365 (MDO) in enterprise environments.
- • Strong understanding of Microsoft 365 security features, including Exchange Online Protection (EOP), ATP policies, Safe Links, Safe Attachments, and Threat Explorer.
- • Experience with security information and event management (SIEM) systems and security orchestration, automation, and response (SOAR) platforms.
- • Excellent analytical and problem-solving skills with the ability to conduct in-depth security investigations.
- • Strong communication and interpersonal skills, with the ability to effectively interact with clients and internal teams.
🏖️ Benefits
- • Competitive salary and performance-based bonuses.
- • Comprehensive health, dental, and vision insurance.
- • Generous paid time off and holidays.
- • Opportunities for professional development, certifications, and continuous learning.
- • Collaborative and innovative work environment with a focus on employee growth.
Skills & Technologies
Onsite
About Cyderes, Inc.
Cyderes is a managed security service provider that delivers 24/7 threat detection, response, and compliance across cloud, on-premise, and hybrid environments. The company combines security orchestration, automation, and response (SOAR) technology with human analysts to monitor, investigate, and remediate cyber threats. Its platform aggregates data from endpoint, network, and cloud sources, applying analytics and threat intelligence to accelerate incident response and reduce risk for mid-market to Fortune 500 organizations. Services include managed detection and response, cloud security posture management, vulnerability management, and strategic advisory engagements.
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