Senior Infra Security Engineer - Hybrid Cloud/On-Prem

Aegislink; Jersey City (NJ); On-site; USD 185,000 - 225,000; Full time

Benefits offered by this job

Health & Wellness (medical, dental, 
v

401(k) with matching

Life, disability, accident and illness

Vacation, sick, holidays & family/mil

Commuter benefits

Hybrid work schedule

Tuition assistance

Professional development opportunities

Job summary

AEGIS Insurance Services, Inc. is seeking a Senior Infrastructure Security Engineer to implement and support security controls across on‑premises, cloud, and hybrid environments.

You will work with the Office of the CISO, Network, and App teams to safeguard production platforms while maintaining IT ownership and change controls. Responsibilities include deploying security configurations, automating identity and endpoint processes, and driving vulnerability remediation and incident response.

Qualifications

• Minimum 10 years of increasing levels of responsible experience in systems, infrastructure or security engineering.
• CISSP or comparable security certification is a plus; other Microsoft/Azure certifications are desirable.
• Hands-on experience with Windows Server, Active Directory, Group Policy, DNS, Entra ID, M365, Intune, and Azure.

Responsibilities

• Administer and support Windows Server, Active Directory, Group Policy, DNS, and hybrid infrastructure.
• Manage Entra ID, hybrid identity, MFA, service accounts, and conditional access controls.
• Configure Microsoft 365, Azure services, Intune, and security configurations.
• Develop PowerShell automation for identity, Azure, DNS, endpoints, and remediation.
• Lead vulnerability remediation, incident containment, and change control processes.
• Maintain technical documentation and clear stakeholder communication.
• Monitor service availability and troubleshoot complex issues.

Skills

Infrastructure security

Windows Server

Active Directory

Group Policy

DNS

Microsoft Entra ID

Microsoft 365

Microsoft Intune

Microsoft Azure

PowerShell scripting

Automation

Troubleshooting

Documentation

Analytical skills

SentinelOne

Tanium

Qualys

Zscaler

Okta

Darktrace

Education

Bachelor’s degree in Information Technology / Computer Science / Cybersecurity / Information Systems

Tools

SentinelOne

Tanium

Qualys

Zscaler

Okta

Darktrace

Job description

AEGIS Insurance Services, Inc. is seeking a Senior Infrastructure Security Engineer to implement and support security controls across on‑premises, cloud, and hybrid environments.

You will work with the Office of the CISO, Network, and App teams to safeguard production platforms while maintaining IT ownership and change controls. Responsibilities include deploying security configurations, automating identity and endpoint processes, and driving vulnerability remediation and incident response.