Network Administrator (Littleton)

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, youll 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

Preferred Qualifications

Why Join This Team?