Infrastructure Engineer

Responsibilities

• Design, deploy, and maintain enterprise network infrastructure
• Configure and support Cisco routers, switches, ASA/Firepower firewalls, and Cisco ISE
• Manage VLANs, routing protocols (BGP, EIGRP), and switching technologies
• Implement and maintain site-to-site and remote access VPNs
• Perform firmware upgrades, patching, and lifecycle management
• Monitor network health and performance using SNMP
• Install, configure, and maintain Linux servers (RHEL, CentOS, Ubuntu)
• Automate tasks using Bash, Python, or Ansible
• Manage system backups and disaster recovery procedures

Requirements

• Current and active DoD TS/SCI clearance
• CompTIA Security+ or equivalent certification
• 5+ years of experience in network engineering and systems administration
• Strong hands-on experience with Cisco networking equipment
• Experience with Cisco ASA or Firepower security appliances
• Deep understanding of TCP/IP, subnetting, routing, and switching
• Strong Linux administration experience in production environments
• Experience with virtualization platforms

Preferred Qualifications

• Cisco Certified Network Associate (CCNA) or better
• Experience with configuration management tools like Ansible or Puppet
• Experience with monitoring tools such as SolarWinds, Nagios, or Zabbix
• Familiarity with cloud platforms (AWS, Azure, GCP)
• Scripting experience in Python or Bash

Benefits

• Robust health plan including medical, dental, and vision
• Health Savings Account with company contribution
• Annual Paid Time Off and Paid Holidays
• Paid Parental Leave
• 401k with generous company match
• Training and Development Opportunities
• Award Programs
• Variety of Company Sponsored Events

About the Company

GRVTY delivers mission and technical expertise to tackle the most entrenched, systemic national security issues around the world, helping customers overcome challenges in technology and defense.