Security-Focused Systems & Network Engineer (Onsite)

Koitecc Solutions; Tucson (AZ); Hybrid; USD 100,000 - 140,000; Full time

Job summary

Universal Avionics in Tucson, AZ is seeking a Systems and Network Security Engineer to join our on-site team. You will strengthen servers, networks, cloud environments, and security tooling to keep critical aviation systems secure and resilient.

You will design and deploy security solutions, implement zero-trust principles, monitor for threats, and mentor IT staff. If you enjoy solving complex security challenges across hybrid environments, we want to talk.

Qualifications

• Bachelor's degree in a related field preferred, or an equivalent combination of education and experience.
• Industry certifications in systems, networking, or security are a plus (e.g., Microsoft, Cisco, CISSP, CISM, Security+).

Responsibilities

• Own and strengthen critical server, network, cloud, and hybrid infrastructure
• Administer and troubleshoot switches, routers, firewalls, wireless networks, VPNs, servers, virtualization, identity services, and core network services
• Design security solutions that help us identify, protect, detect, respond to, and recover from cyber threats
• Deploy and manage security technologies including SIEM, DLP, IPS/IDS, and endpoint detection and response
• Apply identity-based access controls and zero-trust principles across on-premises and cloud environments
• Evaluate vulnerabilities, conduct risk assessments, and help build security into new and existing technology
• Monitor infrastructure health, availability, and security and respond when something isn't right
• Strengthen backup, recovery, system hardening, monitoring, and incident-response practices
• Stay current on emerging threats and translate what you're seeing into practical action
• Mentor IT Support Specialists and help solve the technical problems that need another level of expertise
• Partner across the business to make security part of everyday technology decisions

Skills

Network security

Systems administration

Cybersecurity

Troubleshooting

Communication

Education

Bachelor's degree

Certifications (CISSP/CISM/Security+)

Tools

SIEM

DLP

IPS/IDS

EDR

Firewall

VPN

Identity services

Virtualization

Job description

Universal Avionics in Tucson, AZ is seeking a Systems and Network Security Engineer to join our on-site team. You will strengthen servers, networks, cloud environments, and security tooling to keep critical aviation systems secure and resilient.

You will design and deploy security solutions, implement zero-trust principles, monitor for threats, and mentor IT staff. If you enjoy solving complex security challenges across hybrid environments, we want to talk.