Principal Security Engineer at Alarm.com

Tysons, Virginia, United States

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Not SpecifiedCompensation

Senior (5 to 8 years), Expert & Leadership (9+ years)Experience Level

Full TimeJob Type

UnknownVisa

Cybersecurity, Networking, TechnologyIndustries

Requirements

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

Responsibilities

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

Skills

Cisco

Firewalls

Network Analytics

Identity

Patching

Network Segmentation

Access Controls

Remote Access

WAF

DDoS Protection

Threat Protection

Vulnerability Management

Incident Response

Cloud Security

Alarm.com

Integrated smart security solutions for businesses

About Alarm.com

Alarm.com offers smart security solutions for small to medium-sized businesses, integrating security, lighting, locks, video surveillance, and energy management into one app. This allows businesses to efficiently monitor and control their premises, benefiting from features like video monitoring and energy-saving smart thermostats. The company partners with authorized service providers to sell and install their systems, which come with low upfront costs and ongoing service fees. Alarm.com aims to provide comprehensive security management that helps businesses operate more effectively.

Tysons, VirginiaHeadquarters

2000Year Founded

$158.6MTotal Funding

IPOCompany Stage

Energy, Enterprise Software, CybersecurityIndustries

1,001-5,000Employees

Benefits

Health Insurance

Dental Insurance

Vision Insurance

Life Insurance

Disability Insurance

Health Savings Account/Flexible Spending Account

Unlimited Paid Time Off

Flexible Work Hours

Remote Work Options

Paid Vacation

Paid Sick Leave

Paid Holidays

Parental Leave

401(k) Retirement Plan

401(k) Company Match

Wellness Program

Pet Insurance

Educational Assistance Program

Company Equity

Risks

DIY home security systems could impact Alarm.com's market share.

Standalone security devices may attract customers away from ongoing service fees.

False alarms in security systems could affect customer satisfaction and retention.

Differentiation

Alarm.com integrates security, lighting, and energy management into a single app.

Their AI Deterrence technology offers advanced security features for tech-savvy customers.

They provide a cost-effective solution with low upfront costs and recurring service fees.

Upsides

The DIY home security market is projected to grow significantly by 2028.

32% of US households have a paid security service, offering market expansion opportunities.

Increased adoption of bundled services can boost customer acquisition and retention.

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