System Admin

Job Title: System Admin
Location: Irvine CA
Work Type: Hybrid
Job Type: Contract (9 months)
Rate: $50-$53/hr on W2

LinkedIn needed

Additional details/updates:

Resource can work remote or onsite

Interview process: 1 video interview (2nd interview if needed)

Note from manager:

Our transition from on-premise infrastructure to AWS (lift-and-shift model on EC2) we need a replacement resource who can support both:

Traditional system administration and deployment activities

AWS cloud infrastructure operations

Ongoing CI/CD pipeline support (Jenkins)

SSL lifecycle management and automation

Although our workloads have moved to AWS we are still operating primarily in an EC2-based architecture and require strong infrastructure-level administration.

Description:

The Systems Administrator will serve as a technical leader responsible for defining and executing strategies for maintenance standards lifecycle management design and implementation of the companys server and infrastructure environment. Responsibilities include complex troubleshooting performance analysis integration testing and both business and technical evaluation of proposed solutions.

Key Responsibilities

Core System Administration

• Perform Linux and Windows Server administration.
• Install configure and maintain server components including:
  • Windows Server
  • Linux distributions
  • Active Directory DNS DHCP
  • File and Print services
  • VMware virtualization
• Maintain and optimize server roles for performance reliability and security.

Adobe AEM Administration

• Support and maintain Adobe AEM environments including:
  • User and permission management
  • Dispatcher configurations
  • Webserver integration (Apache/IIS)
• Monitor AEM performance logs replication and workflows.
• Troubleshoot AEM-related issues and collaborate with DevOps/development teams on deployments and updates.
• Assist with AEM patching upgrades and environment hardening.

AWS Infrastructure Management

• Support and manage AWS workloads including:
  • EC2 instance administration
  • S3 storage management
  • IAM account role and policy oversight
  • VPC networking and connectivity
  • CloudWatch monitoring metrics and alerts
• Assist with:
  • OS patching and maintenance for cloud-hosted instances
  • Resource optimization and cost management
  • Capacity planning and environment scaling
• Collaborate with cloud engineering and automation teams on deployments or platform improvements.

Monitoring Maintenance & Support

• Continuously monitor server health performance and availability.
• Identify troubleshoot and resolve server and service issues.
• Respond to helpdesk tickets through ITSM systems efficiently.
• Assist with building and maintaining desktop/laptop OS images.
• Maintain accurate server and infrastructure inventory asset history and lifecycle data.

Security & Compliance

• Implement and maintain security controls across Linux Windows AWS and AEM environments.
• Apply security updates patches and configuration hardening.
• Ensure adherence to industry standards corporate policies and regulatory requirements.
• Support identity and access management best practices.

User & Access Administration

• Create and maintain user accounts groups permissions and access policies for:
  • Active Directory
  • AEM
  • AWS IAM
• Enforce least privilege and secure access management principles.

Performance Optimization

• Monitor system performance metrics and logs.
• Identify and resolve bottlenecks across server storage and application layers.
• Optimize infrastructure components for efficiency and uptime.

Software Deployment & Configuration Management

• Manage installation updates and configuration of server-based applications.
• Ensure proper software licensing compatibility and deployment processes.
• Support application deployments for AEM Windows services and Linux-based tools.

Scripting & Automation

• Develop and maintain automation scripts using PowerShell Bash or Python.
• Automate tasks such as provisioning monitoring reporting and configuration.

Project Support & Infrastructure Planning

• Provide technical expertise for infrastructure-related projects including server upgrades cloud migrations and AEM environment enhancements.
• Participate in capacity planning and infrastructure roadmap discussions.
• Recommend improvements based on performance data business requirements and best practices.

Documentation & Change Management

• Maintain documentation for configurations procedures standards and troubleshooting.
• Follow established change management processes for updates patches and deployment activities.

Vendor & Stakeholder Collaboration

• Work with vendors to procure maintain and support hardware software and cloud services.
• Oversee vendor support cases and contract relationships.
• Collaborate with internal customers teams and external partners effectively.

Basic Qualifications

• Bachelors degree in Information Technology or related field preferred.
• Minimum 6 years as a primary administrator for:
  • Windows and Linux servers
  • VMware
  • Active Directory
  • M365/Entra ID
• At least 1 year of experience in network administration or engineering.
• Hands-on experience with AWS and Adobe AEM preferred.
• Strong analytical troubleshooting and communication skills.
• Ability to manage priorities deliver on deadlines and work effectively in team environments

Certifications (Preferred)

• MCSE Core Infrastructure
• Red Hat Certified System Administrator (RHCSA)
• AWS Cloud Practitioner or AWS SysOps
• CompTIA Network
• CompTIA A