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Senior Security Engineer

Job in Tysons, Fairfax County, Virginia, USA
Listing for: Alarm.com
Full Time position
Listed on 2026-01-27
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Engineer, IT Consultant, Information Security
Salary/Wage Range or Industry Benchmark: 100000 - 125000 USD Yearly USD 100000.00 125000.00 YEAR
Job Description & How to Apply Below

The Senior Security Engineer will identify security risk in the corporate network, communicate those risks to management and assist with the mitigation efforts. Common technologies this position will need to work with include vulnerability scanning, intrusion detection, SIEM, database monitoring, and file integrity monitoring. The Senior Security Engineer must have the ability to document policies and procedures and keep them updated according to industry compliance requirements.

Main Responsibilities:

The Senior Security Engineer primary job responsibilities include:

  • Determine, monitor and maintain our security posture, in collaboration with Engineering.
  • Perform security audits
  • Perform application and infrastructure penetration tests, as well as physical security review and social engineering tests for our global clients
  • Select and acquire additional security solutions or enhancements to existing security solutions to improve overall enterprise security
  • Oversee and manage the deployment, integration and configuration of security solutions and of any enhancements to existing security solutions and the enterprise’s security documents.
  • Develop and maintain threat models for cloud environments and train engineering teams to develop attacker/risk driven design skills
  • Provide deep expertise to engineering teams on SDLC practices including secure design, secure development, secure testing, security runtime for software and firmware development
  • Actively partner with infrastructure, application and other stakeholders to ensure deployed solutions minimize security and privacy risks.
  • Maintain up-to-date knowledge of the IT security industry including awareness of new or revised security solutions, improved security processes and the development of new attacks.
  • Recommend actions/practices to management in order to ensure compliance with security and regulatory requirements in decision-making processes.
  • Suggest actions in order to mitigate risk in any activity that potentially impacts security of existing IT and information management.
  • Craft responses to client and partner security questionnaires

Key Skills and Experience

  • B.A. or B.S. (or higher level degree) in Computer Science or a similar engineering program with strong academic performance preferred
  • 8+ years of information security experience
  • CISSP, CISA, CEH, OSCP or other information security certification
  • Perform security reviews of application designs, source code and deployments
  • Must have knowledge and stay up to date on the latest security advisories, alerts and vulnerabilities.
  • Strong verbal and written communication skills for a highly collaborative environment
  • Rigorous attention to detail and focus on quality of deliverables
  • Familiar with AWS services like EC2 & ECS, WAF & VPC configuration & IAM rules.
  • Familiarity with something like Terraform/Cloud Formation.
  • Comfortable with Python and able to read Java when necessary.
  • Proven team experience and comfort in a team-oriented environment
  • Passion for working with technology and excitement for creating high quality consumertechnology product
  • Other duties as assigned

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.

WHY WORK FOR

  • 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  team!
  • Gain well rounded experience:  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:  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.
  • values working together and collaborating in person. Our employees work from the office 4 days a week.

COMPANY INFO

is the leading cloud-based platform for smart security and the Internet of…

Position Requirements
10+ Years work experience
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