Infrastructure Engineer

What Impact Youll Have

GRVTY is seeking a highly skilled Infrastructure Engineer to design implement secure and maintain our enterprise infrastructure. This role combines advanced Cisco networking and security expertise with strong Linux systems administration experience. The ideal candidate will be hands-on security-focused and comfortable operating in a hybrid on-premises and cloud environment.

What Youll be Owning

• Design deploy and maintain enterprise network infrastructure
• Configure and support:
• Cisco routers and switches
• Cisco ASA and/or Firepower firewalls
• Cisco ISE (Identity Services Engine)
• Manage VLANs routing protocols (BGP EIGRP) and switching technologies
• Implement and maintain site-to-site and remote access VPNs
• Maintain network segmentation and security controls
• Perform firmware upgrades patching and lifecycle management
• Monitor network health and performance using SNMP and other tools
• Troubleshoot complex Layer 2/3 connectivity issues
• Implement and enforce network security best practices
• Maintain firewall policies and intrusion prevention system

Linux Systems Administration

• Install configure and maintain Linux servers (RHEL CentOS Ubuntu)
• Manage system services patching and updates
• Automate tasks using Bash Python or Ansible
• Manage system backups and disaster recovery procedures
• Monitor system performance and troubleshoot production issues

What You Must Have

• Must have a current and active DoD TS/SCI clearance
• CompTIA Security (or equivalent) or better is required
• At least 5 years of experience in network engineering and systems administration
• Strong hands-on experience with Cisco networking equipment is required
• Experience with Cisco ASA or Firepower security appliances
• Must have a deep understanding of TCP/IP subnetting routing and switching
• Strong Linux administration experience in production environments
• Experience with virtualization platforms
• Knowledge of network security principles and best practices
• Ability to troubleshoot across network and system layers

What Would be Nice to Have

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

Why Choose GRVTY

The toughest national security challenges demand vision and ingenuity not just resources. We deliver mission and technical expertise to outpace our adversaries. Were purpose-built to tackle the most entrenched systemic national security issues around the world.

We partner with our customers to help them overcome challenges in every corner of technology and defenseincluding the ones still being explored. Our growing capabilities create complementary advantages giving on-the-ground operations the edge they need to succeed. We muster everything we have to answer every challenge presented every day of our lives.

At GRVTY we believe that when our employees thrive our company thrives. Thats why we offer a comprehensive and competitive benefits package designed to support your well-being growth and work-life balance.

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

EEO Statement

GRVTY is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race color religion sex sexual orientation gender identity national origin disability or status as a protected veteran and will not be discriminated against on the basis of disability.

Anyone requiring reasonable accommodations should emailor call with requested details. A member of the HR team will respond to your request within 2 business days.

Know Your Rights: Workplace Discrimination is Illegal ()

Please review our current job openings and apply for the positions you believe may be a fit. If you are not an immediate fit we will also keep your resume in our database for future opportunities.