Systems Architect

Location: Onsite in Memphis, TN or New Orleans, LA

No sponsorship will be provided for this role.

The Systems Architect leads the design, governance, and end‑to‑end delivery of Microsoft services—ensuring reliability, security, compliance, and great associate experiences in a regulated environment.

Weekly Scheduled Hours: Monday-Friday am- pm

Key Responsibilities

Own enterprise architecture for Microsoft : Exchange Online, SharePoint Online, OneDrive, Teams, Entra ID (Azure AD), Intune/Endpoint Manager, and Microsoft Purview/Compliance.

Define standards, reference architectures, and roadmaps for identity, messaging, collaboration, and device management across hybrid/on‑prem and cloud environments.

Lead migrations and modernization (, Exchange/SharePoint to Online), tenant‑to‑tenant moves, and hybrid identity (AD DS + Entra ID) integrations.

Implement Zero Trust controls: Conditional Access, MFA, RBAC/PIM, DLP, sensitivity labels, retention, eDiscovery, audit and alerting, and secure sharing policies.

Establish Microsoft governance: tenant configuration baselines, change management, environment segmentation, lifecycle management, and license optimization.

Automate operations with PowerShell and Microsoft Graph; build runbooks, deployment pipelines, and monitoring dashboards for reliability and performance.

Integrate Microsoft with enterprise platforms (, SIEM/Sentinel, email security gateways, eDiscovery/archiving, ITSM/ServiceNow) and key third parties.

Partner with Information Security, Risk, Legal/Compliance, Network, End User Computing, and Vendor Management to meet regulatory expectations (, GLBA/FFIEC) and protect client information.

Design and test business continuity/disaster recovery for collaboration and messaging services; lead major incident response and post‑mortems.

Provide Level /architecture‑level guidance, mentor engineers, and produce high‑quality documentation (diagrams, standards, runbooks).

Qualifications

+ years in enterprise IT, including –+ years architecting Microsoft /Entra ID in mid‑to‑large organizations.

Expert knowledge of Exchange Online, Teams, SharePoint Online/OneDrive, Entra ID, Intune/Endpoint Manager, and Microsoft Purview/Compliance features.

Strong identity and access background: SSO/Federation, SAML/OAuth/OIDC, Conditional Access/MFA, RBAC/PIM, and hybrid AD.

Security/compliance experience in regulated environments: DLP, retention/eDiscovery, audit, data classification/sensitivity labels, and secure external collaboration.

Proficiency in PowerShell and Microsoft Graph; proven automation of tenant configuration, license management, and operational tasks.

Working knowledge of networking and email fundamentals: DNS, SMTP, TLS, proxy/firewall considerations for Microsoft endpoints.

Excellent communication and stakeholder engagement skills; able to translate complex designs into clear guidance for associates and leaders.

Bachelor’s degree in Computer Science, Information Systems, or equivalent experience.

Preferred

Experience with Teams Phone/voice, Microsoft Defender for Office , Sentinel/SIEM integrations, and Power Platform governance.

Background in financial services or other highly regulated industries.

Certifications: Microsoft Certified: Enterprise Administrator Expert (MS‑), Azure Solutions Architect Expert (AZ‑)

About Us

First Horizon Corporation is a leading regional financial services company, dedicated to helping our clients, communities and associates unlock their full potential with capital and counsel. Headquartered in Memphis, TN, the banking subsidiary First Horizon Bank operates in states across the southern The Company and its subsidiaries offer commercial, private banking, consumer, small business, wealth and trust management, retail brokerage, capital markets, fixed income, and mortgage banking services. First Horizon has been recognized as one of the nation's best employers by Fortune and Forbes magazines and a Top Most Reputable Bank. More information is available at .

Benefit Highlights

• Medical with wellness incentives, dental, and vision

• HSA with company match

• Maternity and parental leave

• Tuition reimbursement

• Mentor program

• (k) with % match

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