Cyber and Network Engineer

Qosina Corp. • Brentwood, NY

33d • Onsite

About The Position

The Cybersecurity & Network Engineer designs, secures, and operates the organization’s IT infrastructure across on-premise and cloud environments.

This hands-on role strengthens Qosina’s network backbone and cybersecurity posture; configuring firewalls, switches, and virtual environments while performing penetration tests, audits, and incident response.

It is a balanced position for an engineer equally skilled in infrastructure management and cyber defense.

Requirements

• 7 + years combined experience in cybersecurity and network engineering.
• Proven expertise in: Firewall, router, and switch configuration and management
• Network segmentation and VPN design
• Security audits and vulnerability remediation
• Windows and Linux administration
• Virtualization and hybrid-cloud connectivity
• Identity and access management (MFA, RBAC, PAM)
• Incident response and documentation
• Bachelor’s degree in Information Technology, Cybersecurity, Computer Science, or equivalent experience.

Nice To Haves

• CCNP, Security+, CISSP, or equivalent professional certification.

Responsibilities

• Design, implement, and maintain reliable LAN, WAN, and WLAN networks.
• Configure and secure switches, routers, firewalls, VPNs, and wireless APs.
• Manage routing, segmentation, and performance optimization.
• Support virtualization environments and ensure secure on-prem ↔ cloud connectivity.
• Troubleshoot and resolve complex networking and infrastructure issues.
• Conduct and support security audits, vulnerability assessments, and penetration tests.
• Monitor, detect, and respond to cybersecurity events within SecOps processes.
• Implement and enforce policies and controls aligned with GRC frameworks.
• Maintain system/network hardening baselines, patch compliance, and incident documentation.
• Support recovery, backup validation, and business continuity planning.
• Align network and security engineering with enterprise governance, risk, and compliance objectives.
• Develop and maintain documentation, policies, SOPs, and audit evidence.
• Partner with cross-functional teams to deliver secure-by-design projects and technology initiatives.

Benefits

• Direct impact on enterprise security and network resilience.
• Modern, collaborative, and mission-driven IT culture.
• Flexible on-site schedule and career development support.
• Competitive compensation and professional certification programs.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level