Senior System Administrator

Luma Financial Technologies; Cincinnati (OH); On-site; USD 105,000 - 160,000; Full time

Job summary

Luma Financial Technologies in Cincinnati is seeking a Senior Systems Administrator to ensure stability, security, and scalability of our enterprise environments. You will lead infrastructure upgrades, automate routine tasks, and serve as the highest tier of internal technical support.

The ideal candidate has 5–10 years of experience in large-scale IT, deep knowledge of Windows and Mac OS, virtualization (VMware/Hyper-V), and cloud platforms (AWS/Azure).

Qualifications

• Bachelor’s degree in Computer Science, IT, or related field or equivalent experience.
• 5–10 years of professional systems administration in medium to large enterprises.
• Advanced Windows and Mac OS administration, Active Directory, and AWS/Azure.
• Experience with VMware/Hyper‑V and cloud deployments.
• Strong networking fundamentals and security/compliance skills.
• Excellent problem-solving and communication skills.

Responsibilities

• Design, implement, and maintain enterprise server, storage, and network configurations.
• Automate tasks with PowerShell, Bash, or Python to improve efficiency.
• Apply security patches, manage access controls, and perform vulnerability scans.
• Develop disaster recovery plans and test data backup and DR procedures.
• Monitor performance and optimize resource allocations for high availability.
• Provide Tier 2/3 technical support and mentor junior staff.
• Coordinate with vendors and manage system migrations and projects.

Skills

Windows & Mac OS administration

Active Directory & Group Policy

VMware / Hyper-V virtualization

AWS / Azure cloud

Networking fundamentals

Scripting (PowerShell, Bash, Python)

Security & compliance

Technical leadership & mentoring

Education

Bachelor’s degree in Computer Science or related field

Tools

Microsoft Entra ID

Okta

Rippling

Snowflake

Job description

Founded in 2018, Luma Financial Technologies (“Luma”) has pioneered a cutting-edge fintech software platform that has been adopted by broker/dealer firms, RIA offices, and private banks around the world. By using Luma, institutional and retail investors have a fully customizable, independent, buy-side technology platform that helps financial teams more efficiently learn about, research, purchase, and manage alternative investments as well as annuities. Luma gives these users the ability to oversee the full, end-to-end process lifecycle by offering a suite of solutions. These include education resources and training materials; creation and pricing of custom structured products; electronic order entry; and post-trade management. By prioritizing transparency and ease of use, Luma is a multi-issuer, multi-wholesaler, and multi-product option that advisors can utilize to best meet their clients’ specific portfolio needs. Headquartered in Cincinnati, OH, Luma also has offices in New York, NY, Miami, FL, Zurich, Switzerland and Lisbon, Portugal. For more information, please visit Luma’s website .

About the role

We are seeking a highly skilled Senior Systems Administrator to join our IT operations team. In this role, you will be responsible for ensuring the stability, security, and scalability of our enterprise technical environments. You will lead infrastructure upgrades, automate routine administrative tasks, and serve as the highest tier of internal technical support. The ideal candidate possesses a deep understanding of system architecture and a strategic mindset to align our technology with broader business goals.

What you'll do

• Infrastructure Design & Maintenance : Plan, test, and implement enterprise-level server, storage, and network configurations across physical, virtual, and cloud environments.
• Automation & Scripting : Develop custom scripts using PowerShell, Bash, or Python to automate repetitive administration tasks and maximize system efficiency.
• Security & Compliance : Implement routine security patching, manage access controls through Active Directory, and perform vulnerability scanning to safeguard infrastructure.
• Disaster Recovery : Design, test, and maintain robust data backup schedules, retention policies, and business continuity plans to guarantee zero data loss.
• Performance Optimization : Monitor infrastructure health and fine-tune resource allocations to eliminate system bottlenecks and ensure high availability.
• Technical Leadership : Serve as the primary escalation point for Tier 2/3 engineering problems while coaching and mentoring junior team members.
• Vendor & Project Management : Coordinate directly with external hardware, software, and cloud service vendors to evaluate new technologies and manage system migrations.

Qualifications

Required

• Education : Bachelor’s degree in Computer Science, Information Technology, or a related discipline (or equivalent practical experience).
• Experience : 5–10 years of professional systems administration experience in a medium to large enterprise environments.
• Operating Systems : Advanced expertise managing and troubleshooting Windows and Mac OS environments, Active Directory, Group Policies, or AWS deployments.
• Virtualization & Cloud : Deep experience with virtualization platforms like VMware or Hyper‑V, alongside cloud environments such as AWS or Microsoft Azure.
• Networking Fundamentals : Strong grasp of core network infrastructure, including TCP/IP, DNS, DHCP, VLANs, and firewalls.
• Soft Skills : Excellent root‑cause problem‑solving capabilities under pressure, alongside the communication skills required to translate technical ideas to non‑technical stakeholders.

Preferred

• Platform experience : Microsoft Entra ID, Okta, Rippling and Snowflake
• Industry Exposure : Prior Exposure to fintech, insurance or broader finance services organizations.

The pay range for this role is:

105,000 - 130,000 USD per year (Cincinnati)

135,000 - 160,000 USD per year (New York)