Senior Infrastructure Security Engineer: Cloud & Hybrid Defender

AISI AEGIS Insurance Services, Inc.; New Jersey; On-site; USD 185,000 - 225,000; Full time

Benefits offered by this job

Health & wellness benefits

401(k) with matching

Time off and leave options

Hybrid work schedule

Tuition assistance and professional发展

Job summary

AEGIS Insurance Services, Inc. seeks a Senior Infrastructure Security Engineer to implement, administer, and support security controls across on-premises, cloud, and hybrid environments.

You will work with Infrastructure, the Office of the CISO, Network, Application, Database, and End-User Support teams to safeguard production platforms. The role requires 10+ years in infrastructure/security roles, strong PowerShell/automation skills, and hands-on experience with Windows, Azure, and identity

Qualifications

• Minimum 10 years of increasing levels of experience in systems, infrastructure or security engineering.
• CISSP or comparable security certification is a plus.
• Hands-on experience with Windows Server, AD, DNS, Entra ID, M365 and Azure.
• Bachelor’s degree or equivalent related work experience.
• Knowledge of hybrid identity, Conditional Access, MFA, endpoint security and network-security controls.
• Proficient in PowerShell scripting and automation.
• Experience with SentinelOne, Tanium, Qualys, Zscaler, Okta, and Darktrace.
• Ability to manage priorities and collaborate with IT, CISO, vendors and stakeholders.
• Capable of on-call support and outside-hours work when required.
• Experience responding to high-priority incidents and documenting actions.

Responsibilities

• Administer and support Windows Server, Active Directory, Group Policy, DNS, file services, virtualization, and hybrid infrastructure.
• Manage Microsoft Entra ID, hybrid identity, CA, MFA and device-registration controls.
• Administer Microsoft 365, Azure, and implement security configurations.
• Administer Intune, Tanium, SentinelOne, endpoint configurations and security agents.
• Implement workstation, server and operating-system hardening standards.
• Coordinate vulnerability remediation with the Office of the CISO.
• Maintain SIEM/EDR coverage, log-source connectivity, and incident response readiness.
• Develop PowerShell automation for identity, Azure, DNS, endpoints and reporting.
• Own production service accounts, credentials and change control for automation.
• Monitor service availability, troubleshoot complex issues, and communicate progress.
• Preserve IT ownership of production platforms and changes through established processes.

Skills

PowerShell scripting

Automation

Incident response

Vulnerability remediation

Hybrid infrastructure

Documentation

Analytical skills

Collaboration across IT

Education

Bachelor's degree in IT/CS/Cybersecurity

Equivalent work experience

Tools

SentinelOne

Tanium

Qualys

Zscaler

Okta

Darktrace

Job description

AEGIS Insurance Services, Inc. seeks a Senior Infrastructure Security Engineer to implement, administer, and support security controls across on-premises, cloud, and hybrid environments.

You will work with Infrastructure, the Office of the CISO, Network, Application, Database, and End-User Support teams to safeguard production platforms. The role requires 10+ years in infrastructure/security roles, strong PowerShell/automation skills, and hands-on experience with Windows, Azure, and identity