Senior Security Engineer

United States - Remote

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11:11 Systems

11:11 Systems is a managed infrastructure solutions provider that addresses pressing cloud, connectivity & security challenges of today while preparing businesses for tomorrow.

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11:11 Systems is looking for an experienced Senior Security Engineer who will be responsible for evaluating, selecting, implementing, and operating key security tools to support security monitoring, incident response, and cyber threat intelligence. The Senior Security Engineer will influence and guide product engineering and development activities to deliver security focused service offerings.

This is a full-time position based in the United States, and will report to the Manager of Security Engineering.


  • Leverages tooling and custom applications to monitor the operational status of applications, infrastructure, networks, databases, and security; optimizes and tunes performance as appropriate.
  • Assesses applications and the associated data flow for risk to sensitive data, systems, or infrastructure.
  • Collaboratively documents security controls and application access requirements associated with hosted applications and systems.
  • Assisting the team in troubleshooting non-production and production issues related to the solution/service.
  • Apply or recommend adaptive security measures based on investigative findings and threat indicators
  • Develop and administer one or more of the following Security Service functions and tools: Cisco Firepower, ePO, SEPM, Active Directory, SSL VPN, RSA, SIEM, Endpoint Detection & Response (EDR), PKI/Certificate Authority


  • Two or more years of hands-on experience with security tools in an enterprise environment.
  • Minimum 2 years of experience with Security Incident Response.
  • Design, implementation, and engineering of one of the following security tools: Cisco Firepower, ePO, SEPM, Active Directory, SSL VPN, RSA, SIEM, Endpoint Detection & Response (EDR), PKI/Certificate Authority.
  • Experience with Change Control in an enterprise environment.
  • Excellent written, verbal communication and presentation skills.
  • Excellent interpersonal skills, self-motivated and a quick learner.
  • Ability to collaborate with various stakeholders and drive a successful outcome.
  • Ability to work supportively with colleagues, always operating in a collegiate manner and in line with the company’s values.
  • U.S. Citizenship is required.

Preferred Skills

  • Bachelor’s degree in Computer Science or related discipline.
  • CISSP and Security +.
  • Experience with report creation and automation from security tools.
  • Detailed understanding of the TCP and IP protocol stacks with the ability to dissect and explain the contents of traffic and packets.
  • Excellent knowledge of endpoint data source integration, servers, network, and security devices.
  • Review and maintain security system’s health to include CPU Usage, Available Memory, Queuing delays.
  • Strong understanding of microservices architecture and design principles.
  • Strong knowledge of Information Technology Infrastructure Library ITIL v3 methodologies, Information Technology Service Management (ITSM) concepts, enterprise IT architecture and relational databases.
  • Experience with Agile development methodology.


    • Competitive Salary
    • Bonus Plan
    • 401k Plan with Company Match
    • PPO Healthcare Insurance Plan
    • Dental Insurance
    • Vision Insurance
    • Life Insurance
    • Paid Vacation & Holidays

    About 11:11 Systems

    11:11 Systems was created to deliver a fully integrated and unified network experience, providing our customers with visibility, control, and decision making to simplify their requirements through one experience: simplified, synchronized, and optimized.

    11:11 is invested in creating a new model empowering its customers and partners to “RETHINK CONNECTED”. Fully integrated, fully automated. All services, all activities, all data, all performance, powered on a single platform.

* Salary range is an estimate based on our salary survey 💰

Tags: Active Directory Agile Automation CISSP Computer Science EDR Incident response ITIL Microservices Monitoring PKI RSA SIEM Threat intelligence VPN

Perks/benefits: 401(k) matching Competitive pay Health care Salary bonus

Regions: Remote/Anywhere North America
Country: United States
Job stats:  14  3  0

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