Network Administrator

Network Engineer and Administrator (AWS + On-Prem Hybrid Infrastructure) Employment Type:

Full-Time About the Role

We are seeking a skilled

Network Administrator

with hands-on experience managing hybrid cloud and on-prem network environments. The ideal candidate will have practical experience with

AWS infrastructure (EC2, VPC, VPN, Route53, Veeam Backup)

and

Cisco Firepower (FTD 1010)

firewalls, as well as managing

site-to-site VPNs ,

network security , and

remote access

systems. 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 environments , including

EC2 ,

VPC ,

Route53 , and

AWS VPN

configurations. Manage

AWS Veeam backup systems

for EC2 instances and VM snapshots (weekly and on-demand backups). Configure and maintain

Cisco FTD 1010 firewalls , including

site-to-site VPNs

to connect remote offices and AWS VPC instances. Monitor and troubleshoot VPN connectivity for users and infrastructure. Manage and maintain

on-prem network infrastructure , including switches, routers, and Wi-Fi management (e.g.,

UniFi UDM SE ). Support

ESXi servers

and virtualized environments hosting GitLab runners, internal VMs, and development resources. Maintain and update

OpenVPN server configurations , renew certificates, and manage user access via scripts and automation tools. Assist with

DNS management

via

Route53

for hosted zones. Ensure

network security policies

and backups are consistently applied across all environments. Troubleshoot system connectivity, network routing, and performance issues between sites and cloud resources. Collaborate with IT, DevOps, and Engineering teams to support operations and future scaling of infrastructure. Required Skills & Experience

B.S. in Information Technology, Computer Engineering, or related field, or equivalent experience. 3+ years of hands-on experience as a

Network Administrator

or

Systems Administrator . Proficiency with

AWS infrastructure : EC2, VPC, VPN, Route53, and IAM management. Experience configuring and maintaining

Cisco Firepower Threat Defense (FTD 1010)

or similar firewalls. Strong understanding of

site-to-site VPNs ,

routing ,

NAT , and

tunneling protocols . Experience with

Veeam Backup for AWS

or equivalent backup solutions. Familiarity with

VMware ESXi

environments and VM lifecycle management. Knowledge of

Linux systems administration

(Ubuntu preferred) and

SSH key management . Hands-on experience managing

OpenVPN servers

and scripting basic user operations. Understanding of

DNS administration

and

domain hosting (Route53) . Strong documentation skills and ability to maintain operational continuity for multi-site networks. Bonus / Nice-to-Have

Experience with

GovCloud ,

GitLab infrastructure , or similar DevOps platforms. Familiarity with

UniFi network management

and

Raspberry Pi remote nodes . Basic understanding of

security systems

(e.g., ADT, keyfob access) for site management. AWS Certification (Solutions Architect, SysOps, or Network Specialty). Cisco Certification (CCNA or higher). Why Join Us?

Work at the intersection of

cloud and on-prem infrastructure

supporting real satellite operations. Own critical networking systems spanning

multiple physical sites and AWS environments . Collaborate with a small, talented engineering team where your work directly impacts mission reliability. Opportunity to grow into

CloudOps or Infrastructure Engineering

roles as the company expands.

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