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 365 services—ensuring reliability, security, compliance, and great associate experiences in a regulated environment.

Weekly Scheduled

Hours:

Monday-Friday 9am-5pm

• Own enterprise architecture for Microsoft 365:
  Exchange Online, SharePoint Online, One Drive, Teams, Entra  (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 (e.g., Exchange/SharePoint to Online), tenant‑to‑tenant moves, and hybrid identity (AD DS + Entra ) integrations.
• Implement Zero Trust controls:
  Conditional Access, MFA, RBAC/PIM, DLP, sensitivity labels, retention, eDiscovery, audit and alerting, and secure sharing policies.
• Establish Microsoft 365 governance: tenant configuration baselines, change management, environment segmentation, lifecycle management, and license optimization.
• Automate operations with Power Shell and Microsoft Graph; build runbooks, deployment pipelines, and monitoring dashboards for reliability and performance.
• Integrate Microsoft 365 with enterprise platforms (e.g., SIEM/Sentinel, email security gateways, eDiscovery/archiving, ITSM/Service Now) and key third parties.
• Partner with Information Security, Risk, Legal/Compliance, Network, End User Computing, and Vendor Management to meet regulatory expectations (e.g., 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 3/architecture‑level guidance, mentor engineers, and produce high‑quality documentation (diagrams, standards, runbooks).

• 7+ years in enterprise IT, including 3–5+ years architecting Microsoft 365/Entra  mid‑to‑large organizations.
• Expert knowledge of Exchange Online, Teams, SharePoint Online/One Drive, Entra , 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 Power Shell 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 365 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.

• Experience with Teams Phone/voice, Microsoft Defender for Office 365, Sentinel/SIEM integrations, and Power Platform governance.
• Background in financial services or other highly regulated industries.
• Certifications:
  
  Microsoft 365 Certified:
  Enterprise Administrator Expert (MS‑102), Azure Solutions Architect Expert (AZ‑305)

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 12 states across the southern U.S. 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 10 Most Reputable U.S. Bank. More information is available at

• Medical with wellness incentives, dental, and vision
• HSA with company match
• Maternity and parental leave
• Tuition reimbursement
• Mentor program
• 401(k) with 6% match
• More --

Follow Us

Facebook

X formerly Twitter

Linked In

Instagram

You Tube

Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities. This employer is required to notify all applicants of their rights pursuant to federal employment laws. For further information, please review the Know Your Rights notice from the Department of Labor.