Network Engineer

Insight Xcite; Sterling (VA); On-site; USD 175,000 - 220,000; Full time

Benefits offered by this job

Employer-paid benefits

Flexible PTO

Salary review process

401(k) plan

Job summary

Insight Xcite is seeking firewall engineering roles in Herndon and Sterling, VA. Positions demand hands-on experience with firewall policies, configurations, maintenance, and threat monitoring, across Cisco, Palo Alto, NetScaler, and Juniper platforms. Clear communication and customer-focused delivery are essential.

Ideal candidates hold 11+ or 16+ years depending on track, with degrees preferred. Onsite work at government client sites in Herndon VA.

Qualifications

• 11+ years of network engineering for Expert tracks or 16+ years for SME tracks.
• Experience with firewall policies, configuration, maintenance, troubleshooting and threat monitoring.
• Degrees are preferred; cloud/hybrid networking and security certs are a plus.

Responsibilities

• Design and implement firewall policies and configurations.
• Maintain and troubleshoot firewall and network devices.
• Translate customer requirements into enterprise firewall solutions and provide threat monitoring.

Skills

Firewall engineering

Cisco

Palo Alto

NetScaler

Juniper

Threat monitoring

Policy translation

Education

Bachelor's or Master's degree

Tools

Cisco FTD

Palo Alto Panorama

Linux VPN appliances

Cloud VPCs

Cisco IOS

Job description

Insight Xcite is recruiting for distinct network engineering requirements in Herndon and Sterling. Experience and education requirements vary by track. Candidates should identify the track that matches their hands-on experience.

Firewall Engineering — Herndon

Expert roles require at least 11 years of relevant network engineering experience and firewall engineering involving Cisco, Palo Alto, and NetScaler. SME roles require at least 16 years and expertise with Cisco, Palo Alto, and Juniper firewall solutions. Work includes firewall policies, configuration, maintenance, troubleshooting, threat monitoring, and translating customer requirements into enterprise solutions. Degrees are preferred for these tracks. Cloud/hybrid networking, management platforms such as Cisco FTD and Palo Alto Panorama, and relevant certifications are preferred.

Expert roles require at least 11 years; SME roles require at least 16 years. Required experience includes commercial cloud VPCs with Linux VMs used as network appliances, Linux and network-device hardening, firewalls/switches/routers/IPS, commercial VPNs, commercial messaging applications, and Android devices. After-hours and weekend call‑in support is part of the requirement. Bachelor's or Master's degrees are preferred.

Required: at least 6 years of relevant experience and a Bachelor's degree; TCP/IP network design, routing protocols, advanced virtual networking, network upgrades/O&M, INFOSEC/COMSEC, configuration management, troubleshooting LAN/WAN/VPN/SD-WAN/VoIP, and Cisco IOS switching and routing. Cloud, virtualization, SecDevOps, and Cisco certifications are preferred.

Clearance Requirement

Due to the nature of our work, Insight Xcite does not sponsor or process security clearances at this time.

Applicants must currently possess an active TS/SCI with Full‑Scope Polygraph (FSP) to be considered for employment.

Please do not apply if you do not currently hold this level of clearance.

Work Location Requirement

All Insight Xcite positions are onsite. We do not offer remote or hybrid opportunities.

Applicants must be willing and able to work in person at the designated customer location.

What We Offer

At Insight Xcite, we believe exceptional employees deserve meaningful support, competitive compensation, and benefits that make a real difference. We are committed to investing in our team both professionally and personally.

• 100% employer-paid medical, dental, and vision coverage for employees
• Flexible paid time off, subject to manager approval and business needs, plus annual Flex Bonus earning opportunities
• Annual compensation and performance review process, including opportunities for salary increases
• 401(k) with immediate vesting and company contributions with no employee match requirement
• Insight Essentials lifestyle and wellness benefit
• Employee referral bonus program
• Professional development and career growth support
• Opportunity to support impactful national security missions in a highly collaborative environment
• Additional employee programs and benefits available

Candidate Authenticity and Use of AI

AI tools may be used to help format or draft application materials; however, all submitted information must accurately represent the candidate’s own experience, qualifications, and work history. Candidates should be prepared to discuss and verify the information provided

About Insight Xcite

Insight Xcite is a mission-focused consulting firm supporting critical government programs through data-driven engineering, technology, cybersecurity, analytics, and operational expertise. We partner with customers across the national security community to deliver innovative solutions in highly secure, fast‑paced environments.

Our teams are composed of experienced professionals who thrive on collaboration, accountability, and supporting mission success. We value technical excellence, integrity, and employees who are committed to solving complex challenges and making an impact.

The pay range for this role is:

175,000 - 220,000 USD per year (Government Client Site – Herndon VA)