Principal Network Security Engineer

• 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. • Support DDoS and threat protection systems, maintaining readiness and reporting suspicious activity. • Collaborate with infrastructure and app teams to design and implement secure, compliant architectures across cloud and datacenter. • Participate in vulnerability management processes, remediating identified exposures across managed platforms. • Contribute to security operations, including event and log analysis, and improving detection capabilities. • Develop and maintain infrastructure documentation, runbooks, and operational standards. • Enable automation for repeatable network and security processes using scripting and modern tools. • Provide technical guidance and mentoring to junior staff on security best practices and platform operations. • Other duties as assigned

• Bachelor’s degree in computer science, Engineering, or related field. • Minimum 7 years of experience with enterprise networking and security, with significant hands-on Cisco platform management. • Strong understanding of network firewalls, perimeter defense, and intrusion detection/prevention. • Direct experience configuring and troubleshooting network access control systems and policies. • 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. • Experience with application delivery controllers and web application security. • Ability 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. • Excellent communication, collaboration, and mentoring skills. • Willingness to stay current on evolving security threats and industry best practices. • Relevant certifications (e.g., CCNP Security, CISSP, cloud security, or equivalent) are strongly preferred Please note that sponsorship of new applicants for employment authorization, or any other immigration-related support, is not available for this position at this time.

• Collaborate with outstanding people : We hire only the best. Our standards are high and our employees enjoy working alongside other high achievers. • Make an immediate impact : New employees can expect to be given real responsibility for bringing new technologies to the marketplace. You are empowered to perform as soon as you join the Alarm.com team! • Gain well rounded experience : Alarm.com offers a diverse and dynamic environment where you will get the chance to work directly with executives and develop expertise across multiple areas of the business. • Focus on fun : Alarm.com places high value on our team culture. We even have a committee dedicated to hosting a stand-out holiday party, happy hours, and other fun corporate events. • Alarm.com values working together and collaborating in person. Our employees work from the office 4 days a week. Alarm.com offers competitive pay and benefits inclusive of subsidized medical plan options, an HSA with generous company contribution, a 401(k) with employer match, and paid holidays, wellness time, and vacation increasing with tenure. Paid maternity and bonding leave, company-paid disability and life insurance, FSAs, well-being resources and activities, and a casual dress work environment are also part of our outstanding total rewards package!