Senior Systems Administrator

WHAT WE DO

The Senior Systems Administrator is responsible for supporting and evolving SEI’s cloud-first technology foundation, ensuring secure, reliable, and scalable systems that enable over 600 employees across 14 offices nationwide. This role is part of SEI’s Shared Services organization and plays a critical role in empowering employees through modern technology, strong security practices, and continuous process improvement.

This position is hands‑on and autonomous by design, ideal for a Microsoft-focused systems administrator who enjoys ownership, problem‑solving, and proactively improving environments. The role is hybrid and requires candidates to live in the greater Cincinnati area.

• Microsoft Cloud & Systems Administration Administer, optimize, and support SEI’s Microsoft ecosystem, including Microsoft 365, Azure, Entra , and endpoint management platforms.
• Security Operations & Identity Management Support and enhance SEI’s security posture through identity, access, endpoint, and email security initiatives aligned with internal policies and best practices.
• Operational Efficiency & Process Improvement Identify opportunities to streamline systems, automate workflows, improve documentation, and reduce friction across internal technology processes.
• Project Ownership & Vendor Collaboration Lead or co‑lead application implementations, upgrades, migrations, and proof‑of‑concept initiatives, partnering with vendors as needed.
• End User Enablement & Escalation Support Provide occasional Tier 2/3 support for complex issues, ensuring system reliability and strong end‑user experiences.

• Strong experience administering Microsoft 365 services, including Teams, SharePoint, One Drive, Exchange Online, and Entra .
• Hands‑on experience managing Azure resources and cloud configurations.
• Solid experience with Intune for Windows and macOS endpoint management.
• Ability to troubleshoot complex issues independently in a cloud‑first environment.

Security Awareness & Risk Mindset

• Experience supporting or administering Microsoft Defender and related security tooling.
• Knowledge of identity management, MFA, conditional access, and access controls.
• Comfort implementing security controls aligned with internal policies and governance standards.

• Proven ability to work autonomously while collaborating effectively with teammates and stakeholders.
• Strong documentation habits, including SOPs and knowledge base materials.
• Interest in improving systems and workflows through light automation (e.g., Power Automate).
• Clear communicator with both technical and non‑technical users.
• Team‑oriented mindset, thriving in a Shared Services environment where success is measured by enabling others.
• Strong judgment, problem‑solving skills, and ability to prioritize effectively.
• Hybrid work model with flexible onsite expectations; candidates must be local to the greater Cincinnati area.
• Fully cloud‑based environment with no legacy on‑prem infrastructure.
• Occasional after‑hours support required only for rare, high‑priority incidents.
• Minimal travel; most work is performed from the Cincinnati office or remotely.
• Shared Services team environment focused on enablement, reliability, and continuous improvement.

Required

• Alignment to SEI’s core values:
  Excellence, Participation, Integrity, and Collaboration
• Hungry, Humble, Smart – defined at SEI as:
  • Hungry: Proactive, self‑motivated, and driven to continuously improve systems, processes, and outcomes
  • Humble: Team‑first, collaborative, open to feedback, and focused on shared success over individual credit
  • Smart: Demonstrates strong judgment, clear communication, and practical problem‑solving skills
• Strong experience administering Microsoft 365 and Azure environments
• Hands‑on experience with identity management, Intune, and SaaS application integrations
• Ability to work independently and take ownership of systems and projects
• Strong written and verbal communication skills
• Authorization for permanent employment in the United States (this position is not eligible for immigration sponsorship)
• Local to the Cincinnati, OH area and able to work…