ProSites ยท 3 weeks ago
IT Infrastructure Administrator II
Murrieta, CA
Full-time
Onsite
Mid LevelProSites is a company focused on providing customer-facing services and support. The IT Infrastructure Administrator II role involves administration and support of various technologies, ensuring the integrity and availability of services while handling support requests and participating in compliance audits.
MarketingWeb DesignWeb Development
Responsibilities
Experience with Linux Server Infrastructure including core installations (command line only) and scripting of repetitive/maintenance tasks (cron)
Red Hat/CentOS Derivatives
Ubuntu
Amazon Linux
Experience with containerized micro services (both on-prem hosted and cloud)
Docker Swarm
Kubernetes
Portainer manager
Experience with network infrastructure and concepts (both on-prem and cloud)
Vlan setup and addressing
NAT public to private
Operating services behind a Web Application Firewall (WAF) and load balancers
Understanding of security appliances and how to adjust security rules to eliminate false positives while maintaining the security of the underlying application. Determining the most narrow exceptions possible while allowing the underlying app to function as intended
Experience With The Requirements For Hosting Public Services
DNS requirements for webservices and troubleshooting
Email records DMARC/DKIM/SPF
A, Cname, and alias records
Setup of registrars to properly point domain dns to specific nameservers
DNSSEC
Web hosting platforms such as cpanel, windows IIS, and wordpress multisite
Ability to speak with non-technical staff and triage problems effectively, glean information not readily given or known, determining what is and is not relevant and assigning an appropriate priority to issues
Strong documentation skills and ability to articulate knowledge back to non-technical staff
Review, prioritize, and execute resolution on support requests and project tasks daily in an organized, efficient and expedited fashion
Perform daily service monitoring, verifying the integrity and availability of all services and their related components, as well as key processes
Create and maintain knowledgebase documentation, as well as operations runbooks
Provide hands-on support as part of an ITIL service desk environment, including provisioning physical/virtual servers and network components
Participate in regulatory compliance (PCI/HIPAA) audits and penetration testing, with remediation tasks
Regular and reliable attendance is required as this is a full-time position
Other duties as required by management
Qualification
Required
Experience with Linux Server Infrastructure including core installations (command line only) and scripting of repetitive/maintenance tasks (cron)
Red Hat/CentOS Derivatives
Ubuntu
Amazon Linux
Experience with containerized micro services (both on-prem hosted and cloud)
Docker Swarm
Kubernetes
Portainer manager
Experience with network infrastructure and concepts (both on-prem and cloud)
Vlan setup and addressing
NAT public to private
Operating services behind a Web Application Firewall (WAF) and load balancers
Understanding of security appliances and how to adjust security rules to eliminate false positives while maintaining the security of the underlying application
Determining the most narrow exceptions possible while allowing the underlying app to function as intended
Experience With The Requirements For Hosting Public Services
DNS requirements for webservices and troubleshooting
email records DMARC/DKIM/SPF
A, Cname, and alias records
Setup of registrars to properly point domain dns to specific nameservers
DNSSEC
Web hosting platforms such as cpanel, windows IIS, and wordpress multisite
Ability to speak with non-technical staff and triage problems effectively, glean information not readily given or known, determining what is and is not relevant and assigning an appropriate priority to issues
Strong documentation skills and ability to articulate knowledge back to non-technical staff
Review, prioritize, and execute resolution on support requests and project tasks daily in an organized, efficient and expedited fashion
Perform daily service monitoring, verifying the integrity and availability of all services and their related components, as well as key processes
Create and maintain knowledgebase documentation, as well as operations runbooks
Provide hands-on support as part of an ITIL service desk environment, including provisioning physical/virtual servers and network components
Participate in regulatory compliance (PCI/HIPAA) audits and penetration testing, with remediation tasks
Regular and reliable attendance is required as this is a full-time position
Other duties as required by management
Self-motivated, capable of working with limited supervision, proactively reporting on status and tasks
Strong interpersonal, verbal, and written communication skills
Ability to identify inefficiencies and provide solutions to improve our systems and processes
Ability to operate in a rapidly changing environment with urgency, ownership, and accountability
Ability to accurately prioritize work items, make sound judgments, work to improve the customer experience, and get the right things done
Physical/Mental Requirements For The Job
Prolonged periods of sedentary movement
May be requested to work overtime and weekends, with little advanced notice, if deemed necessary
Must be able to lift at least 20 pounds
Preferred
Experience in a SaaS or web hosting environment
Background supporting remote and hybrid teams at scale
Company
ProSites
ProSites delivers innovative website design and online marketing solutions that help professionals achieve measurable practice growth.
Founded in 2003
201-500 employees
Funding
Current Stage
Growth StageTotal Funding
unknown2025-12-17Debt Financing
2019-10-31Acquired
Leadership Team
Dave Rutan
CEO
Recent News
2026-01-07
2025-12-22
Venture Capital
2025-12-19
Company data provided by crunchbase