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IIS Web Administrator

Job in Irvine, Orange County, California, 92713, USA
Listing for: 4A-Consulting
Full Time position
Listed on 2026-06-15
Job specializations:
  • IT/Tech
    Cloud Computing: Infrastructure & Operations, Systems Administrator, IT Support
Job Description & How to Apply Below

Company Overview

At 4A Consulting, we turn complexity into opportunity. Founded in 2014 and headquartered in Baltimore, MD, we are a women-owned, boutique consulting firm specializing in delivering innovative, data-driven solutions to both the Federal Government and Fortune 500 clients. Our team blends deep industry knowledge with advanced technologies to design tailored strategies that drive measurable and sustainable outcomes. We pride ourselves on an agile, collaborative approach that helps organizations navigate challenges and seize emerging opportunities in a rapidly evolving digital landscape.

At 4A, we don t just deliver projects, we build trusted partnerships that empower our clients to lead with confidence in the digital age.

Position Overview

We are seeking an experienced Enterprise Middleware Administrator with IIS to manage, support, and optimize mission-critical middleware platforms across enterprise environments. This role is responsible for the installation, configuration, administration, performance tuning, security, and high availability of middleware technologies including IBM Web Sphere, Oracle Web Logic, Microsoft IIS, Apache, and related platforms.

The ideal candidate will have strong expertise in middleware administration, production support, automation, security, and enterprise application hosting environments, working closely with application, infrastructure, database, cloud, and security teams.

Key Responsibilities

  • Install, configure, patch, upgrade, and maintain enterprise middleware platforms
  • Administer IBM Web Sphere Application Server (WAS/ND), Oracle Web Logic, Microsoft IIS, Apache, and related technologies
  • Manage clusters, load balancing, high availability configurations, and application deployments
  • Support SSL/TLS certificates, Single Sign-On (SSO), LDAP, Active Directory, and authentication mechanisms
  • Configure and administer Web Sphere DMGR, Node Agents, Clusters, IBM HTTP Server, and application deployments using wsadmin
  • Manage Web Logic domains, clusters, managed servers, JDBC, JMS resources, and Node Manager
  • Configure and support IIS servers, application pools, URL Rewrite, Application Request Routing (ARR), reverse proxies, and .NET applications
  • Monitor platform health, perform performance tuning, capacity planning, and proactive alert management
  • Implement security standards, vulnerability remediation, compliance controls, and operational best practices
  • Develop automation solutions using Power Shell, Shell scripting, Python, Ansible, and related tools
  • Support CI/CD pipelines and deployment automation initiatives
  • Provide L2/L3 production support, incident management, root cause analysis, troubleshooting, and documentation
  • Collaborate with development, infrastructure, database, cloud, and security teams to support enterprise applications

Required Qualifications

  • Bachelor s degree in Computer Science, Information Technology, or a related field
  • 8+ years of enterprise middleware administration experience
  • 5+ years of experience administering IBM Web Sphere and Oracle Web Logic environments
  • 3+ years of experience supporting Microsoft IIS
  • Strong Linux and Windows Server administration experience
  • Experience with SSL/TLS, LDAP, Active Directory, SSO, and enterprise authentication solutions
  • Experience working with load balancers such as F5 and Citrix ADC (Net Scaler)
  • Strong troubleshooting, performance tuning, scalability, and high-availability experience
  • Experience supporting mission-critical production environments

Preferred Qualifications

  • Experience with Apache, Tomcat, JBoss, Wild Fly, or NGINX
  • Knowledge of Kubernetes, Open Shift, Docker, AWS, Azure, or Google Cloud Platform
  • Experience with CI/CD tools including Jenkins, Git Hub Actions, Azure Dev Ops, or Git Lab
  • Experience with Oracle Fusion Middleware, SOA, BPM, ESB, IBM MQ, Kafka, Mule Soft, and API Gateway administration
  • Experience with enterprise monitoring and observability tools including Splunk, Dynatrace, App Dynamics, Prometheus, and Grafana
  • Relevant certifications in Web Sphere, Web Logic, Microsoft, Red Hat, AWS, or Azure technologies

Applicants must be legally authorized to work in the United States. Employer sponsorship is not available for this position.

Why Join 4A

  • Be part of a mission-driven, women-owned consulting firm with a reputation for excellence.
  • Work on high-impact projects across federal and commercial clients.
  • Collaborate in an inclusive, growth-oriented culture where innovation is valued.
  • Access career development programs, mentorship, and learning opportunities.
  • Enjoy a comprehensive benefits package, flexible work options, and a focus on work-life balance.

Equal Opportunity Statement

4A Consulting is an Equal Opportunity Employer committed to an inclusive hiring process. Applicants requiring a reasonable accommodation due to a disability may contact . This email is intended solely for accommodation requests.

Please note that 4A Consulting participates in the federal E-Verify program. Upon hire, we will provide the federal government with…

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