Who are we?

XNRGY Climate Systems is a North American leader in sustainable design and advanced manufacturing of custom air treatment systems. Focused on research and energy development, we contribute to the reduction of carbon footprints across industries.

We are excited to announce the opening of our new Technology headquarters in Mesa, Arizona. This expansion reflects our strong commitment to growth and innovation in the climate solutions industry.

Summary: We are seeking a highly experienced Senior Cybersecurity Engineer to help develop, operate, and continuously mature the organization’s cybersecurity program. This role is responsible for translating security strategy into effective technical controls across enterprise IT, cloud, and operational technology (OT) environments, with a strong emphasis on the Microsoft security ecosystem.

The ideal candidate brings 5–7+ years of experience running cybersecurity programs in a medium to large organization, has deep hands-on expertise with Microsoft Defender, Sentinel, Purview, and Azure security, and possesses a strong understanding of OT security principles and industrial environments.

Key Responsibilities

Cybersecurity Program Development & Operations

• Design, implement, and operate a comprehensive enterprise cybersecurity program, including governance, prevention, detection, and response capabilities.
• Partner with IT, Cloud, Engineering, OT, and Compliance teams to align cybersecurity controls with business risk and operational requirements.
• Contribute to security roadmap planning, maturity assessments, and continuous improvement initiatives (e.g., Zero Trust, NIST CSF, CIS).
• Act as a senior technical advisor on cybersecurity risk, architecture, and control effectiveness.

Microsoft Security Engineering

• Design, deploy, and administer Microsoft security solutions, including:
• Microsoft Defender for Endpoint
• Microsoft Defender for Identity
• Microsoft Defender for Cloud
• Microsoft Defender for Office 365
• Integrate Defender XDR telemetry into centralized monitoring and incident response workflows.

SIEM, Monitoring & Incident Response

• Architect and operate Microsoft Sentinel (SIEM/SOAR):
• Log ingestion from Azure, Microsoft 365, on-premises, and OT-adjacent systems
• Analytics rule development and tuning
• Threat hunting and investigations using KQL
• Dashboards, workbooks, and operational metrics
• Automation and response using Logic Apps
• Lead or support security incident response efforts, including investigation, containment, remediation, and post-incident analysis.

Identity, Data, Cloud & OT Security

• Implement and manage Microsoft Entra ID (Azure AD) security controls:
• Conditional Access, MFA, Identity Protection
• Privileged Identity Management (PIM)
• Implement data protection and compliance controls using Microsoft Purview:
• Data Loss Prevention (DLP)
• Information Protection and sensitivity labeling
• Secure Azure infrastructure using native Azure security mechanisms, including:
• Network Security Groups (NSGs), Azure Firewall
• Private Endpoints, Azure Bastion
• Azure Policy, governance initiatives, and secure landing zones

OT (Operational Technology) Security

• Apply OT security principles to protect industrial and operational environments while supporting availability and safety requirements.
• Collaborate with engineering and operations teams to assess and reduce cyber risk in OT and IT/OT-converged environments.
• Support segmentation, monitoring, and secure access strategies for OT systems.
• Align OT security practices with recognized frameworks (e.g., IEC 62443, NIST) without disrupting operations.

Governance & Leadership

• Support audits and compliance initiatives (e.g., NIST, ISO 27001, SOC 2, HIPAA, PCI-DSS, as applicable).
• Develop and maintain security architectures, standards, procedures, and incident response playbooks.
• Mentor junior security engineers and provide hands-on technical leadership.
• Stay current on emerging threats, Microsoft security roadmap updates, and OT security trends.

Required Qualifications

• Bachelor’s degree in Computer Science, Information Security, or related field (or equivalent experience)
• 5–7+ years of experience developing, implementing, and operating a cybersecurity program for a medium to large organization
• Hands-on experience with Microsoft security technologies, including:
• Microsoft Defender (Endpoint, Identity, Cloud, Office 365)
• Microsoft Sentinel (SIEM/SOAR)
• Microsoft Purview
• Microsoft Entra ID / Azure AD
• Experience securing Azure and hybrid cloud environments
• Working knowledge of OT security principles, risks, and architectural considerations
• Strong understanding of enterprise systems and networking (Windows, Linux, TCP/IP, DNS, Active Directory, Azure networking)
• Demonstrated incident response experience
• Strong communication skills and ability to work across IT, OT, and business teams

Preferred Qualifications

• Microsoft security certifications:
• SC-100 (Cybersecurity Architect Expert)
• SC-200, SC-300, SC-400
• AZ-500 (Azure Security Engineer)
• Familiarity with IEC 62443, NIST CSF, or similar OT/industrial security frameworks
• Experience with DevSecOps, CI/CD pipelines, and infrastructure-as-code
• Scripting and automation experience (PowerShell, KQL, Python)
• Experience in regulated or critical-infrastructure environments

Why Choose XNRGY?

• Competitive salary
• Medical, dental, and vision insurance
• 401K
• Employee Assistance Program
• Paid time off
• Dynamic team open to change and innovation
• Modern state-of-the-art facility with Industry 4.0 technology in Mesa, Arizona
• Be part of the green industry transformation
• Fast-growing dynamic environment where entrepreneurial spirit is recognized
• Inclusive and diversity-friendly environment
• Career advancement opportunities with strong internal promotion
• Electric charging stations

At XNRGY Climate Systems, we are committed to fostering a diverse and inclusive workplace. We believe that a variety of backgrounds, experiences, and perspectives are essential to driving innovation and achieving success. We welcome individuals who share our passion for sustainability and who are eager to contribute to a more positive environmental future.

Are you ready to join our driven team?

Join a company that values Courage, Community, Climate, Customer, and Coherence. Be part of carving our footprint and joining a winning team!