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Fiserv · 1 day ago

Application Operations (AppOps) Engineer

Berkeley Heights, NJ

Full-time

Onsite

Mid, Senior Level

$90K/yr - $144K/yr

6+ years exp

Fiserv is a global leader in Fintech and payments, connecting financial institutions, corporations, merchants, and consumers. The Application Operations (AppOps) Engineer will provide support in a Windows Server/IIS and datacenter environment, ensuring reliability, security, and scalability for various applications across on-prem Windows and Azure.

Financial ServicesFinTechInformation ServicesInformation Technology

No H1B

U.S. Citizen Only

Hiring Manager

Mark Kreider

Responsibilities

Manage deployments, hotfixes, SSL/TLS certificate renewals, and patching schedules (WSUS/SCCM) for datacenter and cloud

Ensure compliance (RBAC, encryption, Active Directory/GPO, secrets management, least privilege)

Collaborate with DevOps/AppDev, Platform/Infra, Network, DBA teams on configuration/code‑level changes (web.config, registry, connection strings)

Contribute to architecture for scalability, resiliency, and HA/DR (VM clustering, F5/ADC load balancing, blue/green/canary)

Support CI/CD (Azure DevOps/GitHub Actions/Jenkins) for Windows/IIS deployments; optimize rollbacks and artifact validation

Provide clear status, documentation for incidents, changes (ServiceNow/CAB), preventive actions, and post‑mortems

Qualification

Windows Server administrationIIS managementAzure environmentsPowerShell scriptingCI/CD pipelinesMonitoring toolsLoad balancersIncident managementServiceNowSoft skills

Required

6+ experience with Windows Server (2016/2019/2022) administration and IIS (sites, app pools, bindings) with ability to perform root cause analysis for complex Windows/IIS issues (e.g., memory leaks, network timeouts)

6+ years of experience with monitoring and log analytics tools: Dynatrace, Splunk, Azure Monitor, Windows Event Logs/PerfMon

6+ years of experience with load balancers/WAF/DNS/reverse proxy (e.g., F5/ADC), TCP/IP, HTTP/S, TLS

6+ years of experience in managing deployments, hotfixes, SSL/TLS certificate renewals, and patching schedules (WSUS/SCCM) as well as coordinating release/change management processes (ServiceNow/CAB)

6+ years of experience in PowerShell scripting and automation frameworks (DSC, Ansible)

6+ years of experience in Azure environments and related operational tasks

6+ years of experience incident and problem management, including leading P1/P2 bridges and driving multi-team resolution as well as Active Directory/GPO, service accounts, PKI/certificate management

Bachelor's degree in computer science, Information Technology, Information Systems, or a related field (or foreign equivalent degree) or equivalent work experience