Cybersecurity Engineer

Kloeckner Metals Corporation (KMC) is seeking an experienced Senior Security Engineer who combines strong technical depth with an understanding of governance, risk, and operational realities across a distributed environment. You will own and advance core security capabilities for KMC, support US focused regulatory and contractual requirements, and act as a hands on technical leader within the global security program.

This position will be onsite at our corporate headquarters in Roswell, GA.

• Continuously improve security controls across cloud (Azure/M365), on-prem, and hybrid environments
• Drive detection engineering, SIEM use-case development, log modernization, and security telemetry improvements
• Lead vulnerability management lifecycle: scanning, coordination, remediation oversight, and executive reporting
• Lead escalated incident response activities: forensics, containment, post incident reviews, and resilience measures
• Oversee endpoint security (Defender Suite), identity protection, secure configuration baselines, network segmentation, and hardened remote access

• Support US specific regulatory and contractual requirements (CMMC readiness where applicable, NIST 80053/171, CCPA)
• Maintain security standards, runbooks, and technical procedures for KMC operations
• Ensure alignment with global frameworks (CIS v8.1, ISO 27001, NIS2informed policies where applicable)
• Perform technical assessments of third party vendors; support procurement with security input
• Lead or contribute to major security initiatives such as SIEM uplift, EDR optimization, IAM modernization, network security baseline, and MDM/secure mobility
• Collaborate with IT, operations, warehousing, and corporate functions to ensure secure-by-default designs
• Partner closely with IT Infrastructure teams to help them understand, assess, and oversee ongoing and upcoming infrastructure projects, ensuring that security requirements are embedded early and consistent

• Mentor junior team members and support the KMC local security champions network
• Provide security input to leadership and help translate technical risk into business impact language

• 5+ years in cybersecurity with hands on engineering responsibility
• Strong knowledge of cloud security (Azure/M365), endpoint security, identity protection, network security, logging & monitoring
• Strong understanding of SIEM (Sentinel), EDR/MDE, KQL, detection engineering
• Experience in incident response, forensics, and threat driven defense
• Relevant certifications preferred (CISSP, GIAC, AZ500, MS500, GCIA, GCIH)