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Network Administrator
Network AdministratorEVONA • San Jose, CA, United States
Network Administrator

Network Administrator

EVONA • San Jose, CA, United States
[job_card.variable_days_ago]
[job_preview.job_type]
  • [job_card.full_time]
[job_card.job_description]

Network Administrator (AWS + On-Prem Hybrid Infrastructure)

$130,000 – $160,000

Full-time | On-site

Company Overview

Our client designs, builds, and operates advanced small satellite systems that power end-to-end space missions for communications, Earth observation, and scientific exploration. Their technology combines space-based innovation with secure, scalable ground systems, enabling seamless integration between orbit and operations on Earth.

Position Summary

We are seeking an experienced Network Administrator with a strong background in managing hybrid cloud and on-premises environments. The ideal candidate has hands-on expertise with AWS infrastructure, Cisco Firepower (FTD 1010) firewalls, and virtualized systems. In this role, you’ll ensure reliable, secure, and high-performance connectivity between physical sites and AWS-hosted systems that support mission-critical satellite operations.

This role involves maintaining and improving our secure network connectivity between physical sites and AWS-hosted infrastructure, ensuring uptime, security, and smooth operation across mission-critical systems that support our satellite operations and internal teams.

Key Responsibilities

  • Administer and maintain AWS infrastructure, including EC2 instances, VPCs, Route53, and AWS VPN configurations
  • Manage AWS Veeam backup systems for EC2 and virtual machine snapshots, ensuring regular and on-demand backups
  • Configure and maintain Cisco FTD 1010 firewalls, including site-to-site VPNs linking AWS and remote offices
  • Monitor and troubleshoot VPN and network connectivity for users, infrastructure, and remote systems
  • Support on-premises networking equipment, including routers, switches, and Wi-Fi systems (e.g., UniFi UDM SE)
  • Maintain and manage VMware ESXi servers hosting internal VMs, GitLab runners, and development resources
  • Administer OpenVPN servers, renew certificates, and manage user access using automation scripts
  • Manage DNS configurations via AWS Route53 for hosted zones and internal systems
  • Implement and maintain network security policies and consistent backup procedures across environments
  • Diagnose and resolve routing, NAT, and performance issues across hybrid networks
  • Collaborate with DevOps, IT, and engineering teams to support infrastructure scaling and modernization

Minimum Qualifications

  • Bachelor’s degree in Information Technology, Computer Engineering, or related field, or equivalent hands-on experience
  • 3+ years of experience as a Network Administrator or Systems Administrator in hybrid environments
  • Proficiency in AWS infrastructure (EC2, VPC, Route53, VPN, IAM)
  • Experience with Cisco Firepower Threat Defense (FTD 1010) or similar firewall platforms
  • Strong understanding of VPNs, routing, NAT, and tunneling protocols
  • Experience managing Veeam Backup for AWS or equivalent tools
  • Familiarity with VMware ESXi environments and virtual machine management
  • Proficiency in Linux administration (Ubuntu preferred) and SSH key management
  • Hands-on experience configuring OpenVPN servers and scripting user management tasks
  • Strong documentation, organization, and problem-solving skills

    • Preferred Qualifications

  • Experience with AWS GovCloud, GitLab infrastructure, or similar DevOps platforms
  • Familiarity with UniFi network management or Raspberry Pi remote nodes
  • Working knowledge of physical security systems (e.g., keyfob access, ADT)
  • AWS or Cisco certifications (Solutions Architect, SysOps, CCNA, or higher)

    • Why Join This Team?

  • Work at the intersection of cloud and on-prem infrastructure supporting real-world satellite missions
  • Own critical network systems that bridge space and terrestrial operations
  • Collaborate with a small, high-performing engineering team where your work has a direct impact
  • Grow into advanced roles in CloudOps, Infrastructure Engineering, or DevSecOps as the organization scales
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