Senior Network Engineer

Job Location: Warrenton, VA – Hybrid Remote

Job Type: Full-time, Permanent

JOB DESCRIPTION

We are seeking a motivated and detail-oriented Network Engineer to support and maintain our network infrastructure. This role is ideal for a mid-level engineer with a strong networking foundation, hands‑on Cisco experience, and the ability to work both independently and collaboratively in a team-oriented environment. The ideal candidate will have 7‑10 years of professional networking experience, strong troubleshooting skills, and a desire to grow technically.

Must have an active U.S. Security Clearance (required). If you do not possess an active U.S. Security Clearance, we will not respond to your application.

• Support, configure, and troubleshoot network infrastructure
• Administer, configure, and maintain Cisco Nexus and Catalyst switching platforms
• Configure, monitor, and troubleshoot Cisco ASA and Cisco Secure Firewall platforms
• Diagnose and resolve network and server related incidents and service requests
• Support TCP/IP-based networking, including routing, switching, VLANs, and subnetting
• Assist with multicast routing configuration and troubleshooting
• Collaborate with systems and security teams on network related initiatives
• Support VMware vCenter virtualized environment
• Assist with Microsoft Active Directory user and group account creation, DNS, etc.
• Create and maintain network documentation, diagrams, and standard operating procedures
• Assist with troubleshooting Linux based network related issues
• Willingness to travel (Not required)

Experience with:

• Cisco Nexus and Catalyst switching platforms
• Cisco Adaptive Security Appliance (ASA) firewalls
• Cisco Secure Firewall platforms
• Cisco Firewall Management Center (FMC)

Strong understanding of:

• TCP/IP, UDP, VLANs, routing, and switching fundamentals
• Network troubleshooting methodologies
• DNS, DHCP, and basic network services

Familiarity with:

• Multicast routing concepts
• VMware vCenter and virtual networking
• Microsoft Server and Active Directory fundamentals
• Linux distributions, including Red Hat and Ubuntu
• 7‑10 years of professional network engineering or network operations experience

• Experience with network monitoring, alerting, and logging tools
• Basic understanding of network security principles and best practices
• Exposure to Ansible or infrastructure automation tools
• Scripting or automation experience (Power Shell, Python, Bash)

Required:

• CompTIA Security+

Preferred:

• Cisco certifications (CCNA, CCNP or in progress)
• CompTIA Network+
• VMware, Linux, or Microsoft certifications (Not required)

• Ability to work independently while contributing within a team
• Strong analytical and troubleshooting skills
• Clear verbal and written communication
• Comfortable managing multiple priorities in a fast‑paced environment
• Eagerness to learn new technologies and grow technical expertise
• Dependable, organized, and detail‑oriented

• Industry leading benefits
• Employer paid STD, LTD, Life, and AD&D
• Company sponsored group medical, dental, and vision insurance plans
• Individual Benefit Account – This account is used to pay for:
• Paid time off, medical, dental, and vision insurance premiums
• Flexible Hours
• Hybrid in-office / work from home environment