Senior Cybersecurity Engineer: Threat & Cloud Security

Quantum Technologies. LLC; Washington (District of Columbia); On-site; USD 120,000 - 180,000; Full time

Job summary

Quantum Technologies LLC is seeking an experienced Cybersecurity Engineer to design, implement, and maintain security solutions safeguarding enterprise systems, networks, applications, and data. The role emphasizes threat detection, vulnerability management, incident response, security monitoring, and cloud security.

Responsibilities include monitoring alerts, performing vulnerability assessments, implementing controls, managing SIEM and EDR, and coordinating incident remediation.

Qualifications

• Bachelor-level degree in CS / cybersecurity / IT.
• 5+ years in information security or cybersecurity engineering.
• Experience in enterprise security architecture.
• Strong knowledge of threats, vulnerabilities, and mitigations.
• Relevant certifications such as CISSP, CEH, Security+, or CISM.
• Experience with security operations and incident response teams.

Responsibilities

• Design, implement, and maintain enterprise cybersecurity solutions.
• Monitor security alerts, identify threats, and investigate suspicious activities.
• Perform vulnerability assessments and penetration testing to identify security weaknesses.
• Implement security controls to protect networks, servers, applications, and databases.
• Configure and manage SIEM tools for security monitoring and threat detection.
• Develop and maintain incident response procedures and security policies.
• Conduct security risk assessments and recommend mitigation strategies.
• Manage endpoint detection and response (EDR) solutions.
• Implement identity and access management (IAM) and multi-factor authentication (MFA).
• Monitor firewall configurations, intrusion detection, and prevention systems.
• Support cloud security across AWS, Azure, and Google Cloud environments.
• Perform security audits and ensure compliance with industry standards.
• Investigate security incidents and coordinate remediation activities.
• Implement encryption, data protection, and access control mechanisms.
• Collaborate with IT infrastructure, network, and application development teams.
• Prepare security reports, documentation, and compliance assessments.

Skills

Threat detection

Incident response

Security monitoring

Cloud security

Risk assessment

Security auditing

Security policy

Security architecture

EDR

SIEM

Education

Bachelor's degree in Computer Science, Cybersecurity, or Information Technology

CISSP, CEH, Security+, or CISM certifications

Tools

Splunk

IBM QRadar

Microsoft Sentinel

Nessus

Qualys

Rapid7

CrowdStrike

Microsoft Defender

Carbon Black

Firewalls

IDS/IPS

VPN

DLP

Active Directory

Azure AD

IAM

MFA

NIST

ISO 27001

CIS Controls

SOC 2

Python

PowerShell

Bash

Job description

Quantum Technologies LLC is seeking an experienced Cybersecurity Engineer to design, implement, and maintain security solutions safeguarding enterprise systems, networks, applications, and data. The role emphasizes threat detection, vulnerability management, incident response, security monitoring, and cloud security.

Responsibilities include monitoring alerts, performing vulnerability assessments, implementing controls, managing SIEM and EDR, and coordinating incident remediation.