Sr. Critical Infrastructure Engineer

ZipRecruiter; City Of London; On-site; GBP 70,000 - 90,000; Full time

Job summary

A leading financial services company is seeking a Senior Critical Infrastructure Engineer to design and manage complex Active Directory and DNS environments. The ideal candidate will possess in-depth knowledge of Active Directory and be experienced in Azure services. Responsibilities include troubleshooting issues and collaborating with teams to ensure compliance with security standards. This position fosters a collaborative workplace and values diverse perspectives.

Qualifications

• In-depth knowledge of Active Directory architecture, including domain controllers and forests.
• Proficiency in configuring and managing DNS and related AD integrated services.
• Hands-on experience with PowerShell scripting for automation tasks.

Responsibilities

• Design and manage complex Active Directory and DNS environments.
• Provide expertise in planning and troubleshooting AD and DNS issues.
• Develop and maintain Active Directory Group Policies for security compliance.

Skills

Active Directory architecture

DNS management

PowerShell scripting

Troubleshooting complex issues

Strong communication skills

Tools

Azure Active Directory

Active Directory Federation Services (ADFS)

Job description

Overview

At Broadridge, we've built a culture where the highest goal is to empower others to accomplish more. If you're passionate about developing your career, while helping others along the way, come join the Broadridge team.

Position Overview

We are seeking a highly skilled and experienced Senior Critical Infrastructure Engineer with DNS experience to join our team. The ideal candidate will have a deep understanding of Active Directory and DNS infrastructure, along with hands-on experience in implementing and managing these systems in an enterprise environment.

Responsibilities

• Design, implement, and manage complex Active Directory and DNS environments in an enterprise setting.
• Provide expertise in planning, configuring, and troubleshooting Active Directory and DNS-related issues.
• Develop and maintain Active Directory Group Policies to enforce security and compliance standards.
• Perform Active Directory schema modifications and upgrades as needed.
• Monitor and optimize Active Directory and DNS performance and reliability.
• Collaborate with cross-functional teams to integrate Active Directory with other systems and services.
• Configure and manage Azure Active Directory and related services in the Azure cloud environment.
• Implement and manage Azure AD Connect for hybrid management.
• Design and implement access management solutions in Azure.
• Ensure adherence to security best practices and compliance requirements in all Active Directory and Azure AD configurations.
• Participate as part of global on-call rotation providing off-hours support.

Qualifications

• In-depth knowledge of Active Directory architecture, including domain controllers, forests, trusts, and replication.
• Proficiency in configuring and managing DNS, DHCP, and related AD integrated services.
• Hands-on experience with PowerShell scripting for Active Directory automation and management tasks.
• Strong understanding of Entra, including Conditional Access Policies, Enterprise Applications, and experience with AD Connect, and other Azure services.
• Experience with Active Directory Federation Services (ADFS) and Single Sign-On (SSO) solutions.
• Familiarity with and access management concepts, including RBAC, MFA, and conditional access policies.
• Excellent troubleshooting skills and ability to diagnose and resolve complex Active Directory and DNS issues.
• Strong communication and interpersonal skills, with the ability to collaborate effectively with cross-functional teams.

We are dedicated to fostering a collaborative, engaging, and inclusive environment and are committed to providing a workplace that empowers associates to be authentic and bring their best to work. We believe that associates do their best when they feel safe, understood, and valued, and we work diligently and collaboratively to ensure Broadridge is a company—and ultimately a community—that recognizes and celebrates everyone's unique perspective.