Hiring: Principal Network Security Engineer Company: Alarm.com Location: Tysons Corner, VA Job Posted Time: 2026-09-03 10:43:57 Employment Type: Remote Target Skills & Keywords : AWS, Azure, Change Management, DDoS, Firmware, GCP, Machine Learning, WAF About the job Experience: •7 years of experience with enterprise networking and security, with significant hands-on Cisco platform management. •Minimum 7 years of experience with enterprise networking and security, with significant hands-on Cisco platform management. Required Skills: •Administer, monitor, and optimize Cisco portfolio infrastructure, including firewalls, identity, and network analytics platforms. •Execute routine software/firmware upgrades, patching, and configuration updates on network and security appliances. •Ensure effective network segmentation and secure access by configuring and enforcing network access controls. •Manage and maintain secure remote access solutions for users and devices. •Deploy, configure, and tune next-generation network perimeter and detection tools to ensure consistent policy enforcement. •Oversee application delivery and web application security solutions, assisting with WAF configuration and incident response. •Monitor network telemetry and activity for anomalous behavior or security events. •Respond to and investigate network, security, or operational incidents in both on-premises and cloud environments. Qualifications: •Bachelor’s degree in computer science, Engineering, or related field. •In-depth knowledge of network firewalls, perimeter defense, and intrusion detection/prevention. •Direct experience configuring and troubleshooting network access control systems and policies. •Operational familiarity with cloud platform security fundamentals (AWS, Azure, or GCP) in hybrid enterprise environments. •Practical knowledge of software, firmware, and patch management for large-scale infrastructure. •Proficiency in troubleshooting layer 2/3 networking, VPNs, and secure remote access solutions. •Demonstrated capacity to analyze network/endpoint telemetry and investigate security events or performance issues. •Demonstrated skills using scripting or automation to streamline network/security management. •Hands-on experience supporting vulnerability management and compliance requirements. •High attention to detail, documentation, and change management practices. Interested candidates, please apply directly through the job posting on company's career page or try via AI auto apply on this platform. Don't miss this opportunity to join a forward-thinking team!