Senior Cybersecurity Engineer

The Nu-Age Group (NAG), located in Secaucus, NJ, and Orlando, FL, has a 29-year track record of success as an accredited managed service provider (MSP). NAG provides white glove technology services to several vertical markets, including finance, healthcare, legal, construction, and advertising. Our service offerings range from technology hardware and software sales, managed services, private cloud infrastructure, colocation, hosted applications, backups, disaster recovery, and cybersecurity.

This is a hybrid role and the candidate will be required to be in the Greater Orlando or East Rutherford New Jersey area.

We are seeking a highly skilled and experienced Senior Cybersecurity Engineer to join our security operations team. This role serves as a senior technical resource responsible for maintaining and improving our managed detection and response (MDR) platform and supporting advanced incident investigations.

The ideal candidate is highly technical, experienced in operating security platforms in an MSP/MSSP environment, and comfortable serving as an escalation point for security analysts. This individual will work closely with our cybersecurity analysts, infrastructure engineering team, and client stakeholders to ensure the reliability, effectiveness, and continuous improvement of our security monitoring capabilities.

This role offers significant opportunities for career advancement, training, and leadership in the evolving cybersecurity field.

• Maintain and optimize core security platforms including SIEM/XDR, endpoint detection and response (EDR), email security, identity security, and vulnerability management tools.
• Perform platform upgrades, troubleshooting, configuration improvements, and telemetry validation to ensure reliable security monitoring.
• Manage integrations between security platforms and infrastructure systems including firewall, endpoint, and cloud telemetry sources.
• Ensure security tools are properly configured and operational across client environments.

• Develop, tune, and optimize detection rules to improve alert quality and reduce false positives.
• Perform threat hunting using endpoint, network, and SIEM telemetry.
• Ensure high-quality log ingestion and telemetry coverage across monitored environments.
• Serve as the escalation point for complex security alerts and incidents identified by SOC analysts.
• Lead advanced investigations and root cause analysis of security events.
• Assist with containment, remediation, and post-incident reviews.

• Operate and maintain vulnerability scanning platforms such as Tenable.io.
• Analyze vulnerability scan results and prioritize remediation based on risk and exploitability.
• Work with internal teams and client stakeholders to track remediation progress and improve vulnerability management practices.

• Identify security weaknesses within client environments and recommend practical improvements to strengthen security posture.
• Provide guidance on security hardening for endpoints, identity systems, email security, and network infrastructure.
• Collaborate with infrastructure and engineering teams to implement security improvements.
• Provide technical guidance and mentorship to SOC analysts.
• Assist in the development of investigation procedures, playbooks, and detection use cases.

• A hands-on security professional who enjoys solving complex technical problems across multiple environments.
• Comfortable operating and troubleshooting security platforms such as SIEM/XDR, EDR, vulnerability management, and email security tools.
• Able to independently investigate security alerts, determine root cause, and guide remediation.
• Naturally curious and motivated to continuously learn new technologies as security tools and client environments evolve.
• Able to mentor junior analysts and help improve SOC processes and detection capabilities.
• A strong communicator who can explain security issues and recommendations clearly to both technical teams and client stakeholders.
• Organized and disciplined in documenting investigations, changes, and operational procedures.
• Comfortable working in a fast-paced MSP/MSSP environment supporting multiple clients.

• 7+ years of experience in cybersecurity operations, security engineering, or incident response.
• Experience working with security monitoring platforms such as SIEM, XDR, or MDR solutions.
• Experience operating endpoint detection and response (EDR) platforms such as Microsoft Defender or Sentinel One.
• Hands-on experience performing security investigations and incident response.
• Experience operating vulnerability management platforms such as Tenable or Qualys.
• Experience working in a multi-client MSP/MSSP or managed security environment is highly preferred.
• Strong understanding of:
  • Security monitoring and detection methodologies
  • Incident response and investigation techniques
  • Vulnerability management…