Hiring: Sr IT Security Engineer Company: ACI Worldwide Location: Norcross, GA Job Posted Time: 2026-09-10 12:58:55 Employment Type: Full-time Target Skills & Keywords : AWS, Ansible, Azure, Bash, Encryption, Kubernetes, LLM, PowerShell, Python, SIEM About the job Experience: •5+ years of experience in security engineering and/or security operations with demonstrated hands-on delivery. Required Skills: •Design, implement, and continuously improve secure configurations and guardrails across enterprise and cloud environments, including identity and access controls, network protections, encryption, secrets management, logging, and platform hardening. •Engineer, administer, and support enterprise security technologies spanning endpoint security, vulnerability management, SIEM/logging, identity management, monitoring, detection, and cryptographic controls. •Drive remediation of security findings by prioritizing critical and high-risk issues, validating corrective actions, and improving repeatable control patterns. •Build, operate, and enhance security operations capabilities, including detection engineering, SIEM/SOAR workflows, alert triage, investigation support, incident response playbooks, and operational runbooks. •Conduct or support incident investigations, root-cause analysis, containment and eradication activities, and lessons-learned follow-through. •Participate in the on-call support rotation for security incidents, provide technical support during active investigations and response activities, and contribute to post-incident remediation and continuous improvement. •Develop and maintain technical documentation, engineering standards, implementation procedures, and evidence-quality artifacts to support operational consistency and audit readiness. •Partner with engineering, cloud, application, and AI/ML stakeholders to implement scalable security controls and secure-by-default patterns. Qualifications: •Operational familiarity with AI/LLM application security, threat modeling, secure evaluation/testing, and governance approaches. •Advanced knowledge of security standards and frameworks. •Relevant certifications are strongly preferred. Candidates should demonstrate credible competency across cloud security, cybersecurity operations, and AI / application security through a combination of certifications and directly relevant experience. •Majority of time spent on PC. •Participation in an on-call rotation is required to support incident response, escalations, and urgent security events. •Travel may be required on a limited basis. Interested candidates, please apply directly through the job posting on company's career page or try via AI auto apply on this platform. Don't miss this opportunity to join a forward-thinking team!