MetroSys is seeking a versatile IT Infrastructure Engineer to support the technology operations of a growing technology manufacturing company in Irvine, CA. This role is ideal for an experienced infrastructure generalist who is comfortable working across networking, systems, cloud, virtualization, and security technologies.
The successful candidate will be responsible for maintaining and improving the organization's IT infrastructure while partnering with business stakeholders to ensure reliable, secure, and scalable technology solutions. This position offers a blend of operational support, project work, and infrastructure modernization.
Key Responsibilities- Administer and support enterprise infrastructure across networking, compute, cloud, and security platforms.
- Manage and troubleshoot network infrastructure, including switches, routers, firewalls, and wireless connectivity.
- Configure, maintain, and optimize Arista networking and Palo Alto firewalls.
- Support Linux-based servers and services, including system administration, patching, monitoring, and troubleshooting.
- Administer and support cloud infrastructure within Amazon Web Services (AWS).
- Monitor system health, performance, and security while proactively identifying opportunities for improvement.
- Support virtualization platforms and assist with infrastructure upgrades, migrations, and capacity planning.
- Implement security best practices, patch management, and vulnerability remediation across infrastructure components.
- Participate in infrastructure projects, including hardware refreshes, cloud initiatives, and network enhancements.
- Collaborate with the Help Desk team to resolve escalated infrastructure issues.
- Develop and maintain technical documentation, diagrams, and operational procedures.
- Participate in after-hours maintenance and occasional on-call support as required.
- 5+ years of experience supporting enterprise IT infrastructure.
- Strong hands-on experience with:
- Enterprise networking
- Linux administration
- AWS cloud services
- Firewall administration
- Experience configuring and supporting Arista networking solutions.
- Experience administering Palo Alto Networks firewalls.
- Solid understanding of:
- TCP/IP networking
- VLANs
- Routing and switching
- DNS and DHCP
- Strong troubleshooting skills across infrastructure, networking, and cloud environments.
- Excellent communication and customer service skills.
- Experience with virtualization platforms such as VMware vSphere or Hyper-V.
- Familiarity with Microsoft 365 and hybrid identity environments.
- Experience with backup and disaster recovery solutions.
- Exposure to infrastructure automation or scripting (PowerShell, Python, Bash).
- Industry certifications such as:
- AWS Certified Solutions Architect or SysOps Administrator
- Palo Alto PCCET, PCNSA, or PCNSE
- Arista ACE
- VMware VCP
- Linux+ or RHCSA
Skills Required
- 5+ years supporting enterprise IT infrastructure
- Enterprise networking experience
- Linux administration
- AWS cloud services
- Firewall administration
- Experience configuring and supporting Arista networking solutions
- Experience administering Palo Alto Networks firewalls
- TCP/IP networking knowledge
- VLANs
- Routing and switching
- DNS and DHCP
- Strong troubleshooting skills across infrastructure, networking, and cloud
- Excellent communication and customer service skills
- Virtualization platforms (VMware vSphere or Hyper-V)
- Microsoft 365 and hybrid identity familiarity
- Backup and disaster recovery experience
- Infrastructure automation or scripting (PowerShell, Python, Bash)
- Industry certifications (AWS, Palo Alto, Arista, VMware, Linux+ or RHCSA)
What We Do
MetroSys is a I.T. Professional Services company based in sunny San Diego, CA. Established in 2006, MetroSys has technical talent supporting the Americas. Our Mission Statement; To simplify our customers’ business solutions while having fun with what we do. Our creative geniuses have been pioneering data solutions for our valued customers and partners in the following areas: Data Mobility: Enterprise Storage, Cloud Migrations, Systems Integration & Installation: Storage, Networking, Virtualization, Database, Messaging Flexible Workforce: Recruiting, Staffing, Direct Placement Assessment Services: Storage, Networking, Performance, Periodic, Get Healthy ingenuity. Agility. Speed. These are key ingredients to our success. Navigating the world of I.T. Professional Services can pose many challenges. We help customers, channel partners, resellers & manufacturers deliver! Our team of highly experienced professionals can help bridge any gap for your I.T. requirements. Whether assistance with pre-sales or post-sales services, recruiting, or assisting with the launch of emerging technologies, We CAN Help! Great people. Great Company. MetroSys has carefully crafted its team of highly skilled talent by not only hiring industry experts, but by selecting people that share our view on company culture. Our core values include teamwork, integrity, accountability, & embracing diversity. Our customer first approach builds strong relationships as a trusted advisor and technology partner. Our team integrates with your business and maximizes efficiency. Simply put, we make it easy.









