Cyber Security Engineer II

About The Company
Johns Manville is a globally recognized leader in the manufacturing of building products, engineered materials, and solutions that enhance the safety, durability, and sustainability of various infrastructure projects. With a rich history of innovation and commitment to quality, the company serves a diverse range of industries including construction, industrial, and commercial sectors. Johns Manville prides itself on fostering a collaborative and inclusive work environment, emphasizing continuous improvement, and maintaining high standards of safety and environmental responsibility. As part of its strategic growth, the company invests heavily in advanced technologies and cybersecurity measures to protect its operations and data assets worldwide.
About The Role
Johns Manville is seeking a highly skilled Senior Cyber Security Engineer to join its dynamic cybersecurity team. This pivotal role involves leading the design, implementation, and management of enterprise security initiatives across a complex, global IT environment. The successful candidate will be responsible for developing and maintaining security architectures, managing security operations, and responding to security incidents with a proactive approach. This position offers a flexible work environment, including remote or hybrid options, with occasional travel to the Denver headquarters and other company facilities. The Senior Cyber Security Engineer will collaborate with cross-functional teams to ensure robust security postures, support cloud and on-premises environments, and provide mentorship to junior staff, all while driving continuous improvement in security practices.
Qualifications

• Bachelor’s degree in Cybersecurity, Information Security, Computer Science, or a related field; Master’s degree preferred
• Minimum of 7 years of IT experience, with at least 7 years focused on cybersecurity or network security
• Two or more professional certifications such as CISSP, GIAC, Microsoft Security, Azure Security, or equivalent
• Expert-level experience supporting enterprise cybersecurity technologies and operations
• Advanced proficiency with SIEM and SOAR platforms, including automation and incident response workflows
• Strong skills in KQL (Kusto Query Language) for threat hunting and analytics
• Proficiency in PowerShell scripting and automation
• Deep understanding of incident response, threat detection engineering, and forensic analysis
• Experience with vulnerability management programs, scanning platforms, and remediation processes
• Hands-on experience managing security in cloud, hybrid, and on-premises environments, including platforms like Microsoft Sentinel, Microsoft Defender, CrowdStrike, Tenable, and AWS
• Knowledge of secure software development, DevSecOps principles, and application security
• Excellent analytical, troubleshooting, communication, and project management skills
• Ability to handle sensitive information with confidentiality and professionalism
• Willingness to participate in after-hours support and on-call rotations
• Moderate travel availability (11–29 days annually) to various company locations

Responsibilities

• Lead the design, implementation, and support of enterprise cybersecurity solutions and security architecture initiatives across infrastructure, cloud platforms, endpoints, identity systems, and manufacturing environments.
• Conduct security research, evaluate emerging technologies, and recommend innovative security solutions to enhance organizational defenses.
• Develop and maintain secure configurations, standards, and comprehensive technical documentation for security systems.
• Manage and support cybersecurity projects involving multiple stakeholders, vendors, and business units, ensuring timely delivery and successful integration of security technologies.
• Administer and optimize security platforms including cloud security tools, EDR/XDR, email security, identity and access management, data protection, SIEM/SOAR, and vulnerability management systems.
• Create advanced threat detection rules, dashboards, correlation logic, and automation workflows using platforms like Microsoft Sentinel and Azure Security Center.
• Lead vulnerability management initiatives, coordinate remediation efforts, and prioritize risks based on organizational impact.
• Support penetration testing activities, track remediation efforts, and report findings to technical leadership.
• Collaborate with engineering, cloud, networking, and DevOps teams to implement secure solutions and resolve security issues effectively.
• Mentor cybersecurity engineers and analysts, providing training, guidance, and procedural documentation to foster skill development.
• Lead incident response efforts, including investigation, containment, eradication, and recovery, ensuring minimal impact on business operations.
• Develop and maintain detection and response processes, including custom detection logic, threat hunting, and forensic analysis across various security platforms.
• Prepare detailed incident reports and root cause analyses for executive review, supporting continuous improvement in security posture.
• Utilize scripting and automation tools like PowerShell to streamline investigations and operational workflows.

Benefits

• Comprehensive health, dental, vision, wellness, and critical illness insurance coverage
• 401(k) retirement plan with company matching contributions
• Paid time off including vacation, sick leave, and parental leave
• Basic life insurance, short-term and long-term disability coverage
• Employee assistance program and business travel accident insurance
• Additional options such as supplemental life insurance and accidental death and dismemberment coverage
• Tax-advantaged accounts including health savings accounts, flexible spending accounts, and dependent care accounts
• Tuition reimbursement programs for undergraduate and select graduate courses
• Opportunities for mentoring, professional development, and internal/external training

Equal Opportunity
We are proud to be an Equal Employment Opportunity employer. We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity, veteran status, or any other basis protected by federal, state, or local law.