Messaging Systems Engineer

The Phoenix Group; New York (NY); On-site; USD 120,000 - 160,000; Full time

Benefits offered by this job

Health insurance

Paid time off

Professional development

Job summary

The Phoenix Group is seeking a Messaging Systems Engineer to lead the design, deployment, and support of enterprise messaging across a global environment. You will manage Exchange Server (on‑premises and Online), Active Directory/Entra ID, and related security measures, ensuring reliability, compliance, and user productivity.

Ideal candidates bring deep experience with hybrid Exchange deployments, MFA, and MDM integrations (Intune, AirWatch, Mobile Iron).

Qualifications

• Six+ years of experience managing Microsoft Exchange Server (on-premises, online, and hybrid) and Active Directory/Entra ID.
• Proven expertise with Exchange Online administration and migration.
• Strong skills in MFA configuration, RBAC, and security monitoring.

Responsibilities

• Design, implement, migrate, and support Exchange Server environments (on-premises and cloud).
• Architect and maintain global messaging infrastructure including AD/Entra, DNS, DHCP, and email security.
• Lead troubleshooting for messaging and directory services to ensure high availability and security compliance.
• Develop documentation, SOPs, and end-user training for messaging systems.
• Lead cross-functional projects and participate in on-call rotations as needed.

Skills

Exchange Server

Active Directory/Entra ID

PowerShell scripting

MFA configuration

Exchange Online

RBAC & access controls

Tools

Mobile Iron

AirWatch

Intune

Job description

An innovative technology organization within the professional services sector is seeking a skilled Messaging Systems Engineer to become a key member of its Information Services Department. This role involves managing enterprise messaging infrastructure, from research and design to implementation, support, and training, with a focus on cloud-based and on-premises systems to ensure seamless communication across a global enterprise.

Key Responsibilities

• Design, implement, migrate, and support Microsoft Exchange Server environments, including on-premises Exchange and Exchange Online (Office 365).
• Architect, implement, and maintain global messaging infrastructure encompassing Exchange, Mobile Device Management (MDM), Active Directory, DHCP, DNS, and email security protocols.
• Manage and secure Microsoft Windows Active Directory/Entra, including role-based access control, monitoring, scripting, backups, and disaster recovery planning.
• Troubleshoot and resolve advanced issues related to messaging platforms and directory services, ensuring high availability and security compliance.
• Oversee messaging security measures, such as third‑party email gateways, anti‑virus, anti‑spam, TLS encryption, and email filtering solutions.
• Conduct proactive monitoring of messaging systems and recommend enhancements to optimize performance and security.
• Develop and deliver technical documentation, operational procedures, and training sessions for departmental staff and end‑users.
• Create technical proposals for project planning and document system configurations, security policies, and operational workflows.
• Design, implement, and support mobile device management solutions, including Mobile Iron, AirWatch, and Microsoft Intune MDM.
• Lead and participate in large‑scale projects, collaborating with cross‑functional teams to deliver technology initiatives on schedule and within scope.
• Assume additional responsibilities as assigned by the Manager of Messaging Engineering.

Core Qualifications & Requirements

• Minimum of six years of experience managing Microsoft Exchange Server (including online and hybrid environments) and Active Directory/Entra.
• Extensive expertise in Exchange Online administration and migration.
• Strong proficiency with Entra ID (Azure AD), including user and group management, conditional access policies, guest user lifecycle management, privileged identity management (PIM), and security monitoring.
• Proven ability to configure MFA (Multi‑Factor Authentication) for all user types, especially administrative accounts.
• Advanced troubleshooting skills for Active Directory and Exchange issues.
• Working knowledge of DHCP, DNS, and PowerShell scripting.
• Demonstrated experience with mobile device management solutions such as Mobile Iron, Microsoft Intune, and AirWatch.
• Excellent written and verbal communication skills, capable of engaging both technical and non‑technical stakeholders.
• Proficiency with Microsoft Office Suite including Visio.
• Flexibility to learn new technologies outside current expertise and adapt to evolving systems.
• Ability to provide after‑hours system support and contribute to on‑call rotation as needed.

Nice‑to‑Have Qualifications

• Experience supporting large, multi‑national enterprise environments.
• Certifications such as Microsoft Certified: Messaging Administrator, Microsoft Certified: Enterprise Administrator, or equivalent.
• Knowledge of load balancers, VMware virtualization, compute, and storage infrastructure.
• Background in supporting legal or professional services firms with extensive user bases.

Core Technical Skills

• Microsoft Exchange Server (on‑premises & online)
• Office 365 Exchange Online
• Hybrid Exchange deployments
• Active Directory / Entra ID (Azure AD)
• Role‑based access control (RBAC)
• Conditional Access Policies
• Guest user management
• Privileged Identity Management (PIM)
• PowerShell scripting and automation
• DNS and DHCP configuration
• Mobile Device Management (Mobile Iron, Intune, AirWatch)
• Email security solutions (TLS, anti‑spam, anti‑virus gateways)
• Microsoft Visio
• Office 365 Administration

Career Impact This position provides an opportunity to shape and support core messaging infrastructure for a dynamic, global organization, directly impacting communication security, reliability, and user productivity.

Compensation and Benefits Salary commensurate with experience; comprehensive benefits package, including health insurance, paid time off, and professional development opportunities.

The Phoenix Group Advisors is an equal opportunity employer. We are committed to creating a diverse and inclusive workplace and prohibit discrimination and harassment of any kind based on race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, genetic information, disability, or veteran status. We strive to attract talented individuals from all backgrounds and provide equal employment opportunities to all employees and applicants for employment.