Principal Network Security Engineer
Alarm.Com
Manage and secure Cisco network infrastructure, firewalls, access controls, and cloud.
8 days ago ago
Expert & Leadership (13+ years)
Full Time
Tysons Corner, VA
Hybrid
Company Size
1,300 Employees
Service Specialisms
Security systems
Remote monitoring
Home automation
Energy management
Video monitoring
Sector Specialisms
Retail
Education
Health Care
Financial
Technology
Transport
Banking
Hospitality
Role
What you would be doing
perimeter tools
waf config
telemetry monitoring
automation
cisco admin
incident response
- 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.
- Support DDoS and threat protection systems, maintaining readiness and reporting suspicious activity.
- Enable automation for repeatable network and security processes using scripting and modern tools.
- Administer, monitor, and optimize Cisco portfolio infrastructure, including firewalls, identity, and network analytics platforms.
- Provide technical guidance and mentoring to junior staff on security best practices and platform operations.
- Execute routine software/firmware upgrades, patching, and configuration updates on network and security appliances.
- Collaborate with infrastructure and app teams to design and implement secure, compliant architectures across cloud and datacenter.
- Manage and maintain secure remote access solutions for users and devices.
- Contribute to security operations, including event and log analysis, and improving detection capabilities.
- Develop and maintain infrastructure documentation, runbooks, and operational standards.
- Participate in vulnerability management processes, remediating identified exposures across managed platforms.
- Ensure effective network segmentation and secure access by configuring and enforcing network access controls.
- Respond to and investigate network, security, or operational incidents in both on-premises and cloud environments.
What you bring
ccnp security
cissp
cisco
aws
automation
7 years
- Ability to analyze network/endpoint telemetry and investigate security events or performance issues.
- Experience with application delivery controllers and web application security.
- Willingness to stay current on evolving security threats and industry best practices.
- Strong understanding of network firewalls, perimeter defense, and intrusion detection/prevention.
- Practical knowledge of software, firmware, and patch management for large-scale infrastructure.
- Excellent communication, collaboration, and mentoring skills.
- Hands-on experience supporting vulnerability management and compliance requirements.
- Proficiency in troubleshooting layer 2/3 networking, VPNs, and secure remote access solutions.
- High attention to detail, documentation, and change management practices.
- Relevant certifications (e.g., CCNP Security, CISSP, cloud security, or equivalent) are strongly preferred
- Direct experience configuring and troubleshooting network access control systems and policies.
- Demonstrated skills using scripting or automation to streamline network/security management.
- Familiarity with cloud platform security fundamentals (AWS, Azure, or GCP) in hybrid enterprise environments.
- Minimum 7 years of experience with enterprise networking and security, with significant hands-on Cisco platform management.
- Bachelor’s degree in computer science, Engineering, or related field.
- Collaborate with outstanding people: We hire only the best. Our standards are high and our employees enjoy working alongside other high achievers.
- 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.
Information not given or found
Interview process
Information not given or found
Visa Sponsorship- sponsorship for employment authorization or immigration support is not available.
- criminal background checks will be performed as permitted by law.
Company
Overview
2000
Year Founded
The company was established to disrupt the smart home and security industry.
Millions
Global Customers
The company has reached millions of users worldwide, revolutionizing smart home and business automation.
- A leader in smart home and business automation solutions.
- Provides cloud-based security, video surveillance, energy management, and access control systems.
- Connects devices to offer seamless security and automation experiences.
- Known for innovative solutions that allow remote monitoring and control of properties.
- Delivers cutting-edge technology to residential and commercial sectors, enhancing security and efficiency.
- Has established partnerships with top home security brands and service providers, expanding its reach.
- Solutions integrate smart home technologies like cameras, thermostats, and lighting.
- Customer focus: Dedicated to delivering an exceptional customer experience.
- Integrity: Operate with the highest ethical standards and transparency.
- Innovation: Embrace change and continuously evolve to meet customer needs.
- Collaboration: Work as a unified team, valuing diverse perspectives and experiences.
- Accountability: Take responsibility for actions and outcomes.
- Excellence: Strive to exceed expectations in everything.
Net-zero carbon by 2030
Environmental Target
Committed to achieving net-zero carbon emissions by the year 2030, demonstrating a strong dedication to mitigating climate impact.
- Committed to reducing environmental impact through sustainable practices.
- Optimizes energy use in operations and product offerings.
- Encourages environmentally responsible practices among partners and suppliers.
- Focuses on smart technology solutions to reduce energy consumption in homes and businesses.
X%
Women in Leadership Growth
The percentage of women in leadership roles has increased, reflecting progress in gender equity within the company.
- Fosters an inclusive culture that values diversity in the workplace.
- Actively recruits and promotes individuals from diverse backgrounds.
- Offers training programs to support diverse talent development.
- Focuses on providing equitable opportunities for career growth for all employees.
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