Infrastructure/Network Security Engineer
Louisville, Jefferson County, Kentucky, 40201, USA
Listed on 2026-06-26
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IT/Tech
Cybersecurity, Systems Engineer, Network Security, Cloud Computing: Infrastructure & Operations
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The Infrastructure / Network Security Engineer 2 provides technical expertise in the management and support of enterprise security platforms across network, infrastructure, and cloud environments. This role is responsible for testing, analyzing, and supporting security controls and technologies including firewalls, intrusion detection/prevention systems, endpoint security, identity platforms, and cloud security services.
The Infrastructure / Network Security Engineer 2 work assignments involve moderately complex to complex issues where the analysis of situations or data requires an in-depth evaluation of variable factors.
The Infrastructure / Network Security Engineer 2 monitors security events, system activity, and infrastructure to ensure the confidentiality, integrity, and availability of enterprise systems. This role identifies, diagnoses, and resolves security-related issues, vulnerabilities, and incidents across network, server, and cloud environments. Begins to influence department strategy and makes decisions on moderately complex to complex issues regarding technical security approaches, often working with minimal direction.
Additionalresponsibilities include but are not limited to:
- Collaborate with Level 2 Security and Infrastructure teams to gain expertise in security tools, controls, and processes, identifying opportunities to expand Level 1 and Level 1.5 security capabilities.
- Conduct Level 1 health checks during security events, incidents, and outages to support rapid detection, triage, and escalation of threats.
- Review and approve changes impacting security posture across production environments, ensuring alignment with governance, risk, and compliance requirements.
- Drive Level 1 and Level 1.5 participation in Problem Management to support root cause analysis, incident trending, and continuous improvement.
- Support and enhance security monitoring, alerting, and observability tools (SIEM, SOAR, EDR, NDR) to improve Time to Detect (TTD) and Time to Respond (TTR).
- Facilitate updates to security documentation, runbooks, and SOPs to ensure operational readiness and consistency in incident response.
- Participate in security implementations and remediation efforts, partnering with cross-functional teams to deploy secure and compliant solutions.
- Review and approve operational activities within Level 1 and Level 1.5 security support domains.
- Contribute to security strategy, risk reduction initiatives, and control standardization across infrastructure and cloud environments.
- Identify opportunities to leverage automation, threat intelligence, and emerging security technologies to improve protection and response capabilities.
- Monitor and report on security metrics, incident trends, vulnerability posture, and operational KPIs to leadership and stakeholders.
- Execute continuous improvement initiatives including automation of response actions, process optimization, and strengthening detection capabilities.
Required Qualifications
- Bachelor’s Degree
- 5 or more years of experience in Information Security, Infrastructure Security, or Network Security
- Experience supporting enterprise security technologies (e.g., firewalls, IDS/IPS, SIEM, endpoint protection, identity and access management)
- Experience securing infrastructure across on-prem and/or cloud environments
- Must be passionate about contributing to an organization focused on continuously improving consumer experiences
- Master’s Degree in a Technical Field
- Security certifications (e.g., CISSP, CISM, Security+, CEH, GIAC, Azure/AWS Security certifications)
- Experience with cloud security platforms and shared responsibility models
- Experience with automation and scripting (Power Shell, Python)
- Experience with vulnerability management, threat detection, and incident response practices
This role has a hybrid remote workstyle which may require you to work approximately 2 days a week in the office depending on business needs.
To ensure Home or Hybrid Home/Office employees’ ability to work effectively, the self-provided internet service must meet the following…
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