Web Administrator - Irving, CA

Cystems Logic Inc.
San Francisco, United States of America
12 days ago

Role details

Contract type
Temporary contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Languages
English
Experience level
Senior

Job location

San Francisco, United States of America

Tech stack

Microsoft Windows
Microsoft Active Directory
Apache HTTP Server
Application Firewall
User Authentication
Bash
Ubuntu (Operating System)
CentOS
Linux
DNS
HAProxy
Web Servers
IIS
Kerberos (Protocol)
Lightweight Directory Access Protocols (LDAP)
Windows Server
Networking Basics
Citrix Systems
Nginx
Performance Tuning
Powershell
Red Hat Enterprise Linux - RHEL
Single Sign-On
TCP/IP
Web Applications
Web Hosting Services
SSL Certificate Management
Data Logging
Scripting (Bash/Python/Go/Ruby)
Load Balancing
SolarWinds (Software)
Splunk
Appdynamics
Dynatrace
Big Ip
Citrix Netscaler

Job description

We are seeking a Senior Web Administrator with extensive experience managing large-scale enterprise web hosting environments across multiple on-premises datacenters. The ideal candidate will possess deep expertise in Microsoft IIS, Apache HTTP Server, and NGINX administration, performance optimization, security, troubleshooting, and high-availability architectures supporting mission-critical applications.

Requirements

Do you have experience in Windows support?, 10+ years of experience administering enterprise web server environments.

Expert-level experience with:

o Microsoft IIS

o Apache

o NGINX

Strong experience supporting large-scale production web farms and mission-critical applications.

Hands-on experience with:

o SSL/TLS certificate management

o Reverse proxies and URL rewriting

o Load balancing and high-availability architectures.

o Web server performance tuning and capacity planning.

o Web server hardening and security best practices.

Strong knowledge of:

o HTTP/HTTPS, TCP/IP, DNS, and networking fundamentals.

o Windows Server and Linux (RHEL/CentOS/Ubuntu) administration

o Active Directory, LDAP, SSO, Kerberos, and authentication services.

  • Experience troubleshooting complex web, application, operating system, and network-related issues.
  • Experience with enterprise load balancers such as F5 BIG-IP, Citrix ADC (NetScaler), or HAProxy.
  • Proficiency in PowerShell, Bash, or Python scripting for automation and operational efficiency.
  • Experience with monitoring and logging tools such as Splunk, Dynatrace, AppDynamics, SolarWinds, or similar platforms.
  • Strong understanding of change management, incident management, root cause analysis, and operational best practices.
  • Excellent communication, documentation, and stakeholder management skills., * Experience managing environments hosting hundreds of web applications across multiple datacenters.
  • Experience with Web Application Firewalls (WAF), DMZ environments, and security compliance requirements.
  • ITIL Foundation or equivalent operational experience.

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