Sr Windows Systems Engineer

ACI Worldwide; Omaha (NE); On-site; USD 100,000 - 130,000; Full time

Benefits offered by this job

Competitive compensation

Casual work environment

Growth opportunities

Job summary

A leading financial technology company is seeking a Sr Windows Systems Engineer to set strategic direction for enterprise-scale Windows environments. The ideal candidate will have deep expertise in Active Directory, DNS, and Microsoft infrastructure, and will lead the design of secure and scalable systems while mentoring teams. This role offers an opportunity for professional growth in a collaborative work environment.

Qualifications

• 10+ years of technical experience in product architecture or production IT.
• Experience designing systems for scalability and high availability.
• Proven track record of managing large-scale migrations and integration projects.

Responsibilities

• Provide architectural oversight for service development.
• Engineer and configure solutions based on business requirements.
• Research new technologies for potential integration.

Skills

Active Directory

Windows Server

DNS

PowerShell

Group Policy

Authentication protocols

High availability solutions

Education

Bachelor's degree in computer science or equivalent

Tools

Azure AD

Microsoft Entra

Job description

Overview

Sr Windows Systems Engineer role at ACI Worldwide

Join to apply for the Sr Windows Systems Engineer role. If you’ve ever used an ATM, paid a bill through your phone, sent money to a friend or shopped online, chances are your transaction was safeguarded and processed using our software.

Job Summary: We are seeking a seasoned and visionary Principal Windows Systems Engineer with deep expertise in Active Directory (AD), DNS, and adjacent Microsoft infrastructure technologies. This role is responsible for setting the strategic direction, architecture, and governance of enterprise-scale Windows environments. The ideal candidate will lead the design and integration of secure, scalable, and highly available systems, while mentoring technical teams and influencing enterprise IT strategy.

Responsibilities

• Provides AOD centric architectural and operational oversight for the development of new or enhanced services and/or products.
• Engineers, configures, and architects complex technical solutions for applications/systems implementations and upgrades based on specific business requirements. Solutions may be new, existing, in-house, third party or a combination.
• Researches and evaluates new technologies and software products to determine feasibility and desirability of incorporating their capabilities within the company\'s products.
• Formulates and executes test plans for Proof of Concepts.
• Supports development and product teams by providing high-level analysis and AOD environment-based design reviews, performance, scalability and benchmark test guidance, and subject matter expertise in technology and design.
• Perform other duties as assigned.
• Understand and adhere to all corporate policies to include but not limited to the ACI Code of Business Conduct and Ethics.

Qualifications

Knowledge, Skills and Experience

• Bachelor\'s degree in computer science or equivalent experience.
• 10+ years of technical experience in product architecture and/or production IT environments.
• Experience designing and implementing systems with a focus on scalability and high availability.
• Experience configuring and troubleshooting production environments, with at least 5 years in a senior or principal-level role.
• Deep expertise in Windows Server, Active Directory, DNS, Group Policy, and PowerShell.
• Proven track record of designing and implementing high-availability, multi-site, and secure Windows infrastructure solutions.
• Strong understanding of authentication protocols (Kerberos, NTLM, LDAP), ADFS, Azure AD, and PKI.
• Experience leading large-scale migrations, upgrades, and integration projects.

Preferred Knowledge, Skills and Experience

• Experience with hybrid identity and cloud integration (e.g., Azure AD Connect, Microsoft Entra).
• Familiarity with Zero Trust architecture, conditional access, and identity governance.
• Knowledge of automation frameworks, infrastructure-as-code, and DevOps practices.
• Experience with compliance frameworks (e.g., NIST, ISO, SOX) and security hardening of Windows environments.

Work Environment

• Standard work environment
• Majority of time spent on PC (Physical Requirement)
• Travel required, may be domestic or international
• Weekend and off-hours support may be required

Benefits

In return for your expertise, we offer growth, opportunity, and a competitive compensation and benefits package in a casual work environment.

Are you ready to help us transform the world of electronic payments? To learn more about ACI Worldwide, visit our web site at www.aciworldwide.com

Job ID (Requisition #16393)

ACI Worldwide is an AA/EOE employer in the United States, which includes providing equal opportunity for protected veterans and individuals with disabilities, and an EEO employer globally