Network Security Engineer

Network Security Engineer

WFR Technologies

Location: Arlington, VA

Employment Type: Full-time, Hybrid

Target Compensation: $120,000 – $150,000 (depending on experience and qualifications)

WFR Technologies, a veteran-owned small business founded in 2001, is seeking a talented Network Security Engineer to join our dynamic team. You'll support a high-profile customer with an international mission, playing a hands-on role in maintaining, troubleshooting, and enhancing critical domestic and international data exchange networks and systems.

In this position, you'll operate in a fast-paced production environment, working across LAN/WAN/DMZ infrastructure, security application support, and broader IT operations to ensure the reliability, performance, and security of mission-critical networks.

Key Responsibilities

·     Maintain and troubleshoot network security infrastructure supporting domestic and global data exchanges

·     Configure, optimize, and support firewalls, routers, switches, SMTP gateways, and related security tools

·     Monitor network activity and respond to security events using advanced tools

·     Collaborate with cross-functional IT and security teams to enhance system resilience

·     Implement and maintain IPSec tunnels and other secure connectivity solutions

·     Ensure compliance with security standards

·     Work with relevant teams to coordinate environment patching activity, including responses to Vulnerability Patch Requirements (VPR)

·     Respond to security incidents

·     Work with ISSO to address security concerns and obligations

Required Qualifications

·     US Citizenship (mandatory)

·     Active Top-Secret security clearance (required)

·     Proven experience in network security engineering, preferably in government or defense environments

·     Strong hands-on expertise with network and security technologies

·     Excellent verbal and written communication skills

Desired Knowledge, Skills, and Experience

·     Firewalls: Fortinet or Palo Alto (strong proficiency preferred)

·     Switches & Routers: Cisco IOS platforms

·     SMTP Gateways: Fortinet or Proofpoint

·     Monitoring Tools: Splunk and Stealthwatch

·     Operating Systems: Windows and Linux administration

·     Additional technologies: IPSec, BigFix, Crowdstrike, Guardium, Active Directory

If you're a proactive problem-solver passionate about protecting mission-critical networks and thrive in a hybrid environment supporting vital operations, we want to hear from you!

To apply, please submit your resume and a brief note highlighting your relevant experience with the specified technologies and your clearance status.

• WFR Technologies is an equal opportunity employer committed to diversity and supporting veterans. Join us in delivering innovative security solutions that make a real difference.