Sr. Critical Infrastructure Engineer

Broadridge Financial Solutions, Inc.; London; Hybrid; GBP 125,000 - 150,000; Full time

Job summary

A leading financial technology firm in London is seeking a Senior Critical Infrastructure Engineer with expertise in Active Directory and DNS. The ideal candidate will design, implement, and manage these systems, ensuring security and compliance. Strong troubleshooting skills and the ability to work in a hybrid model are essential. Join a collaborative environment where you can empower others and advance your career.

Qualifications

• In-depth knowledge of Active Directory architecture and design.
• Proficiency in configuring and managing DNS and DHCP services.
• Hands-on experience with Entra identity management concepts.

Responsibilities

• Design and implement Active Directory and DNS environments in enterprise settings.
• Collaborate with teams to ensure security and compliance in configurations.
• Monitor and optimize Active Directory and DNS performance.

Skills

Active Directory design and management

DNS configuration and troubleshooting

PowerShell scripting

Strong communication skills

Troubleshooting complex issues

Tools

Azure Active Directory

Active Directory Federation Services (ADFS)

Job description

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.

Key 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 identity management.
• Design and implement identity and 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

Requirements

• 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 identity, 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 identity 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.

#LI-Hybrid

#LI-LM1

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.