Linux System Security Engineer

We are seeking a highly skilled mid or senior level Linux System Security Engineer to join our team. The ideal candidate will have a strong background in Linux and networking, as well as experience in securing the systems and devices.

Responsibilities:

• Design, implement and maintain security practices across our infrastructure, focusing heavily on on-premises systems.
• Regularly audit systems for security vulnerabilities, apply security patches, and provide recommendations to mitigate risks.
• Automate security tasks using configuration management tools like Ansible.
• Perform system hardening, including kernel tuning, service management, and the secure configuration of our infrastructure.
• Stay up-to-date on the latest security threats and trends.
• Work closely with other engineers and security professionals to ensure a shared understanding of security risks and mitigation strategies.

Qualifications:

• B.S. in field of technology (Computer Science, Computer Engineering, etc.) with 10+ years experience in relevant field (Security Engineer, Linux Systems Administrator or similar role).
• Strong understanding of security principles and best practices.
• Proven experience with Linux and open-source tools such as Git, Elasticsearch or OpenSearch, and Wazuh.
• Proficient in scripting languages (Shell, Python) to develop security tools, automate monitoring tasks, and enhance system defenses.
• Strong understanding of networking protocols (TCP/IP, DNS, DHCP, VPN, etc.) and security implications, including network segmentation, firewalls, and VPNs.
• Experience with Ansible, writing and maintaining playbooks and roles.
• Excellent communication and collaboration skills.
• Ability to work independently and as part of a team.
• A passion for learning and staying up-to-date on the latest security trends.
• Able and willing to work full time in the Leesburg office.
• Must be able to obtain and maintain a U.S. Government-issued security clearance; therefore, U.S. citizenship is required

Preferred:

• Familiarity with DNS infrastructure and tools (BIND, Unbound, and/or PowerDNS)
• Experience with Fluent Bit or Fluentd for log collection, processing, and forwarding in distributed environments.
• Experience with Virtualization technologies (VMWare, Virtual Box, Proxmox)
• Experience with BSD

Compensation and Benefits:

We seek the best-and-brightest professionals at all levels so offer highly competitive compensation and an excellent benefits package. Company-sponsored benefits include: 6% 401(k) company match with immediate vesting, educational assistance up to $7,000 per year, 100% insurance premium subsidy for employees (75% for dependents), Anthem medical, Guardian dental, life and disability coverage, 3 weeks’ vacation, 2 weeks sick leave, and 11 holidays.

Quantum Leap is an Equal Opportunity Employer

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