IT Infrastructure Administrator II

Description

The IT Infrastructure Administrator II is a hands‑on technical operations role, responsible for providing support and administration for customer‑facing services, as well as the underlying applications, servers, and network components. The IT Infrastructure Administrator II takes ownership of support requests escalated to them by the Service Desk for the customer support teams, end‑users, or development teams to resolve, escalation, or identification of further action required to provide resolution.

The ideal candidate will have experience with a wide range of technologies, both on‑premises and cloud, and a desire to continuously improve upon that knowledge.

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 web services and troubleshooting
• email records DMARC/DKIM/SPF
• A, Cname, and alias records
• Setup of registrars to properly point domain dns to specific name servers
• 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.
• Experience in a SaaS or web hosting environment. (Preferred)
• Background supporting remote and hybrid teams at scale. (Preferred)

• 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.
• Certain management positions might be required to occasional travel.