Cyber and Network Engineer

Title: Cybersecurity & Network Engineer

Department: Information Technology

Reports To: Chief Information Technology & Digital Officer (CITDO) or Manager, Technical Services

FLSA Status: Exempt

Location: On-site — Ronkonkoma, NY (with flexible work-from-home as needed)

Position Overview

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.

Essential Functions

Network & Infrastructure Engineering

• 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.

Cybersecurity Operations & Compliance

• 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.

Governance & Collaboration

• 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.

Security Framework Alignment

The role contributes across the full Cyber Layer Framework:

• Governance, Risk & Compliance (GRC): Defines risk appetite, policies, and controls.
• Security Operations (SecOps): Detects and responds to threats across all layers.
• User: Manages identity, access, and awareness training.
• Data: Safeguards information via classification, encryption, and DLP.
• Application: Secures software and API traffic flows.
• Host: Hardens servers, endpoints, and virtual machines.
• Network: Controls traffic flow, segmentation, and Zero-Trust connectivity.
• Physical: Prevents unauthorized physical access and tampering.

Qualifications

Education

• Bachelor’s degree in Information Technology, Cybersecurity, Computer Science, or equivalent experience.

Experience

• 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

Certifications (Preferred)

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

Professional Attributes

• Analytical mindset with strong troubleshooting skills.
• Attention to detail and documentation discipline.
• Ability to work independently and collaboratively across teams.
• Commitment to continuous learning and security excellence.

Why Join Qosina

• 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.