Job DescriptionJob Summary: We are seeking a seasoned and visionary
Senior Windows Systems Engineer with deep expertise in
Active Directory (AD),
DNS, and adjacent Microsoft infrastructure technologies. Implements, configures and plays a lead role in the design of complex systems for internal and external customers. Assists in performing analysis on existing systems as well as system maintenance. Determines system specifications, input/output processes and working parameters for hardware/software compatibility. Coordinates design of subsystems and integration of total system. Identifies, analyzes and resolves program support deficiencies.
Job 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.
Knowledge, Skills and Experience required for the job:- 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 Knowledge, Skills and Experience needed for the job:- 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 (Phys. Req.)
- 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)#LI-LF1
#LI-Hybrid
