Exchange/System Administrator

Company Description

WireCo® is the strength behind the world’s evolution, through deep legacy and forward thinking, we create premium ropes that inspire innovation without limits. Our global footprint includes manufacturing plants, distribution facilities, and research and development centers around the world.

https://wireco.com/

Job Description

Role Description

The Exchange / System Administrator is responsible for the design, administration, security, and availability of WireCo’s enterprise messaging environment, with a strong emphasis on Microsoft Exchange (on-prem and Exchange Online), Microsoft 365, and hybrid configurations.

This role owns the day-to-day operation and long-term health of messaging systems while also supporting core enterprise systems and Windows-based infrastructure that enable those services. The ideal candidate has deep hands-on experience with Exchange hybrid environments, strong PowerShell skills, and a proactive approach to system reliability, security, and continuous improvement.

The Exchange / Systems Administrator must exhibit the behaviors of the WireCo Business System (WBS):

• Teamwork - welcomes an environment of inclusiveness and healthy debate that reflects our team’s strength
• Accountable – celebrates our successes, learn from failures, avoid excuses, and own the outcomes of our efforts
• Self-Aware – demonstrates an understanding of our strengths and needs, considering how our actions impact others
• Noble Intent – acts in the interests of others, approaching our work with integrity to ensure the best outcome
• Determined – takes initiative, share ideas and find solutions to win and achieve our goals
• Transparent – promotes open and honest communication and constructive feedback for clarity and truth
• Curious – seeks knowledge and outside input to test our way of thinking, challenging the status quo

Duties & Responsibilities:

Messaging & Exchange (Primary Focus)

• Administer, maintain, and optimize Microsoft Exchange environments, including Exchange Server 2016/2019, Exchange Online, and hybrid deployments.
• Own the architecture, configuration, and ongoing support of Microsoft 365 messaging services, including mail flow, transport rules, connectors, and security policies.
• Manage email security, compliance, and hygiene solutions, including spam filtering, phishing protection, retention policies, and eDiscovery.
• Troubleshoot complex Exchange and mail-flow issues across hybrid environments, acting as the escalation point for messaging-related incidents.
• Automate routine messaging administration tasks using PowerShell.
• Manage Proofpoint email security and threat protection, supporting spam filtering, phishing detection, policy enforcement, and investigation of messaging security incidents.
• Administer and support Microsoft 365 core services beyond Exchange, including Azure Active Directory (Entra ID), Microsoft Defender for Office 365, and Microsoft Purview.
• Manage Azure AD (Entra ID) tenant configuration, including users, groups, licensing, conditional access, and authentication policies.
• Implement and maintain identity lifecycle management processes (joiner/mover/leaver) across on‑prem Active Directory and Azure AD.
• Design, support, and troubleshoot hybrid identity solutions, including Azure AD Connect (Entra Connect) synchronization, password hash sync, and pass‑through authentication.
• Support and enforce modern authentication and identity security controls, including MFA, Conditional Access policies, and identity protection features.
• Collaborate with security and compliance teams to align identity and access management with Zero Trust principles.

Security, Resiliency & Operations

• Serve as a technical escalation point for authentication, authorization, and identity‑related issues across on‑prem and cloud environments.
• Maintain role‑based access control (RBAC) models for Microsoft 365 and related services.
• Support integration of third‑party and SaaS applications with Azure AD using SSO (SAML, OAuth, OpenID Connect).
• Monitor identity health, sign‑in activity, and security alerts; investigate and remediate identity‑related risks.

Enterprise Systems & Infrastructure (Secondary Focus)

• Administer and support enterprise identity and core system services, including Active Directory, Group Policy, DNS, and DHCP.
• Assist with the administration of virtualization platforms (VMware, Hyper-V), and storage systems as they relate to messaging and core services.
• Monitor system performance, availability, and capacity; proactively identify and remedi