Network & Security Administrator

About the role

Müller's Solutions is seeking a Network & Security Administrator to maintain the integrity, security, and performance of its network infrastructure. The role involves monitoring, configuring, and protecting network devices while collaborating with IT teams to ensure reliable operations and rapid incident response.

Key responsibilities

• Configure, monitor, and maintain network devices such as routers, switches, firewalls, and access points.
• Implement and enforce network security policies and procedures.
• Conduct regular network and security assessments to identify vulnerabilities and recommend improvements.
• Respond to and investigate security incidents, coordinate resolution and reporting.
• Manage user access controls and permissions within network systems to ensure compliance.
• Document network configurations, security policies, and procedures.
• Stay up‑to‑date with cybersecurity trends and apply best practices.

Required profile

• Bachelor’s degree in Computer Science, IT, Cybersecurity or a related field.
• 3–5 years of experience in network administration and security management.
• Strong understanding of networking concepts and protocols (TCP/IP, DNS, DHCP).
• Experience with firewalls (Palo Alto, Cisco ASA), IDS/IPS, and VPNs.
• Familiarity with Active Directory, user authentication and access management.
• Ability to troubleshoot network and security issues efficiently.
• Preferred certifications such as CompTIA Security+, Cisco CCNA; advanced certifications (CCNP Security, CISSP) are a plus.

Required skills

• TCP/IP, DNS, DHCP
• Routers, switches, firewalls, access points
• Palo Alto and Cisco ASA firewalls
• IDS/IPS and VPN technologies
• Active Directory and access management
• Network troubleshooting
• Network monitoring tools
• Cloud platforms (AWS, Azure)
• Knowledge of compliance frameworks (PCI DSS, HIPAA)