Senior Customer Security Engineer – Microsoft Entra ID, Copilot, and Purview Expertise (Remote)
About arenaflex
arenaflex is a global leader in intelligent transformation, delivering technology‑driven solutions that help the world’s most iconic brands simplify how they work, interact, and transact. With a footprint in more than 70 countries, arenaflex blends deep industry insight, advanced analytics, and human‑centered design to create experiences that are both innovative and practical. Recognized repeatedly as a “World’s Best Workplace,” a “Top Company for Career Growth,” and a “Best Culture” award‑winner, arenaflex invests heavily in its people, fostering an environment where curiosity, collaboration, and continuous learning are celebrated.
Why This Role Matters
As a Customer Security Engineer at arenaflex, you will be the technical champion for our enterprise customers, guiding them through the complexities of modern security landscapes. You will leverage Microsoft’s cutting‑edge security suite—including Entra ID, Copilot, Purview, and Microsoft 365 Defender—to design, implement, and sustain robust security architectures that protect critical data, identities, and workloads. Your expertise will directly influence the health, resilience, and compliance posture of organizations worldwide, ensuring they can operate with confidence in an increasingly hostile digital world.
Key Responsibilities
- AI‑Driven Security Automation: Design, develop, and deploy automated security workflows using Copilot for Security, turning AI‑generated insights into actionable threat‑remediation playbooks.
- Microsoft 365 Defender Management: Configure, monitor, and fine‑tune Microsoft 365 Defender across identities, endpoints, applications, and data to detect and neutralize sophisticated attacks.
- Azure AD (Microsoft Entra ID) Governance: Oversee Azure Active Directory administration, enforce conditional access policies, and implement identity protection strategies that align with zero‑trust principles.
- Data Protection with Microsoft Purview: Architect and maintain information protection frameworks using Purview, ensuring data classification, labeling, and compliance with regulations such as GDPR, CCPA, and HIPAA.
- Comprehensive M365 Security: Build end‑to‑end security controls for Microsoft 365 environments, including encryption, data loss prevention, and secure collaboration tools.
- Customer Advisory & Consulting: Act as a trusted advisor, delivering risk assessments, best‑practice guidance, and migration strategies that help customers modernize their security posture.
- Incident Response & Rapid Resolution: Provide expert-level troubleshooting and rapid remediation for critical security incidents, minimizing downtime and business impact.
- Knowledge Transfer & Enablement: Conduct workshops, webinars, and hands‑on training sessions to empower customer technical teams with the skills needed to sustain secure environments.
- Continuous Improvement: Capture feedback, analyze trends, and contribute to the evolution of arenaflex’s security service offerings and internal knowledge base.
Essential Qualifications
- Minimum 5 years of hands‑on experience in IT security, with a proven track record of delivering enterprise‑grade solutions.
- Demonstrated expertise with Microsoft security technologies, specifically Microsoft 365 Defender, Azure AD (Entra ID), and Microsoft Purview.
- Strong foundation in cybersecurity principles, including threat modeling, vulnerability management, and incident response.
- Experience designing and implementing AI‑enabled security automation (e.g., Copilot for Security) is highly desirable.
- Familiarity with compliance frameworks such as ISO 27001, NIST, GDPR, and industry‑specific regulations.
- Excellent analytical and problem‑solving abilities, with a data‑driven approach to decision making.
- Outstanding communication skills—able to translate complex technical concepts into clear, actionable guidance for both technical and non‑technical audiences.
- Bachelor’s degree in Computer Science, Information Security, or a related discipline, or equivalent professional experience.
Preferred Qualifications & Additional Skills
- Microsoft certifications such as Microsoft Certified: Security, Compliance, and Identity Fundamentals or Microsoft Certified: Azure Security Engineer Associate.
- Hands‑on experience with scripting languages (PowerShell, Python) for automation and orchestration.
- Knowledge of cloud security best practices across Azure, Microsoft 365, and hybrid environments.
- Experience with SIEM platforms (e.g., Azure Sentinel) and threat intelligence feeds.
- Prior consulting or professional services experience, especially in a customer‑facing role.
- Ability to work independently in a remote setting while maintaining strong collaboration with global teams.
Core Competencies for Success
- Strategic Thinking: Anticipate emerging threats and proactively design security solutions that align with business objectives.
- Collaboration: Partner effectively with sales, product, and engineering teams to deliver seamless, end‑to‑end customer experiences.
- Adaptability: Thrive in a fast‑changing environment, quickly mastering new technologies and evolving security standards.
- Customer‑Centric Mindset: Prioritize client success, delivering value‑added recommendations that drive measurable improvements.
- Leadership: Mentor junior engineers, champion best practices, and influence the broader security community within arenaflex.
Career Growth & Learning Opportunities
arenaflex is committed to your professional development. In this role, you will have access to:
- Structured learning pathways, including paid certifications, technical bootcamps, and leadership development programs.
- Mentorship from senior security architects and industry thought leaders.
- Opportunities to work on high‑visibility projects for Fortune 500 clients, expanding your portfolio and industry reputation.
- Cross‑functional rotations that allow you to explore adjacent domains such as cloud architecture, data analytics, and AI‑driven automation.
- A clear promotion track—from Engineer to Senior Engineer, Principal Engineer, and eventually Security Solutions Director.
Work Environment & Culture at arenaflex
Our remote‑first culture empowers you to work from anywhere in the United States while staying connected through collaborative tools, virtual coffee chats, and regular team‑wide events. arenaflex values diversity, inclusion, and psychological safety; we celebrate different perspectives and encourage open dialogue. Employees enjoy:
- Flexible work schedules that respect work‑life balance.
- Inclusive employee resource groups (ERGs) focused on technology, women in security, and multicultural networking.
- Regular “Innovation Days” where you can pitch ideas, prototype new solutions, and showcase results to senior leadership.
- Health and wellness programs, including virtual fitness classes, mental‑health resources, and a robust employee assistance program.
Compensation, Perks, & Benefits
arenaflex offers a competitive total rewards package designed to attract and retain top talent:
- Base Salary: $92,250 – $120,000 USD, commensurate with experience, location, and skill set.
- Performance Incentives: Quarterly bonuses tied to individual and company performance metrics.
- Health Coverage: Comprehensive medical, dental, and vision plans with employer contributions.
- Retirement Savings: 401(k) plan with company match to help you build long‑term financial security.
- Paid Time Off: Generous vacation, holidays, and dedicated “Learning Days” for professional development.
- Technology Stipend: Home‑office equipment allowance and ongoing support for high‑speed internet.
- Continuous Learning: Access to online learning platforms, conference sponsorships, and internal knowledge‑sharing sessions.
- Employee Recognition: Awards, spot bonuses, and public acknowledgment for outstanding contributions.
Application Process & Important Dates
All candidates will undergo a background check in compliance with applicable laws, including identity verification and employment eligibility. The application deadline for this position is September 1, 2025. To be considered, submit your resume and a concise cover letter outlining your experience with Microsoft security technologies and why you are excited to join arenaflex.
Join arenaflex – Shape the Future of Security
If you are passionate about protecting digital assets, love solving complex security challenges, and thrive in a collaborative, forward‑thinking environment, arenaflex wants to hear from you. Become part of a team that is redefining how enterprises secure their most valuable information, and accelerate your career while making a tangible impact on customers worldwide.