ACI Worldwide · 14 hours ago
Sr Windows Systems Engineer
Omaha, NE
Full-time
Onsite
Senior Level
5+ years expACI Worldwide is a company that safeguards and processes transactions for organizations and individuals worldwide. They are seeking a seasoned Senior Windows Systems Engineer with deep expertise in Microsoft infrastructure technologies to lead the design and implementation of complex systems for their customers.
BillingFinancial ServicesInsurTechMobile PaymentsPaymentsSoftware
Responsibilities
Provides AOD centric architectural and operational oversight for the development of new or enhanced services and/or products
Engineers and configures 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
Qualification
Required
Bachelor's degree in computer science or equivalent experience
5+ years of technical experience in product architecture and/or production IT environments
Previous experience in designing and implementing systems with a focus on scalability and high availability
Experience with configuring and troubleshooting production environments, with at least 2 years in a senior-level role
Deep experience 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
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
Benefits
Competitive compensation and benefits package
Company
ACI Worldwide
ACI Worldwide is a software company that delivers payments software solutions.
1001-5000 employees
H1B Sponsorship
ACI Worldwide has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (21)
2024 (20)
2023 (25)
2022 (25)
2021 (22)
2020 (33)
Funding
Current Stage
Public CompanyTotal Funding
unknown1995-03-24IPO
Leadership Team
Thomas Warsop
President and CEO
Abe Kuruvilla
Chief Technology Officer
Recent News
Fintech News Philippines
2025-12-12
2025-12-11
2025-12-11
Company data provided by crunchbase