VoIP and Network Infrastructure Security Specialist

Hybrid in Muskegon, MI, US • Posted 1 day ago • Updated 11 hours ago

Full Time

Hybrid

Depends on Experience

Fitment

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Job Details

Skills

Wireshark
Nmap
Nessus
Qualys

Summary

We are seeking a VoIP and Network Infrastructure Security Specialist to lead security assessments of enterprise IP telephony systems and network infrastructure. This role focuses on identifying vulnerabilities, strengthening network security posture, and ensuring secure configuration of voice and data environments.

Required Experience:

Minimum 5+ years of hands-on experience in security assessments of VoIP and network infrastructure
Strong experience with VoIP protocols: SIP, RTP, RTCP, and H.323
Ability to identify vulnerabilities such as eavesdropping, call interception, SIP attacks, toll fraud, and unauthorized access
Experience assessing VLAN segmentation and network isolation controls
Knowledge of IP phone security, including firmware, default credentials, and management interfaces

Network Security Expertise:

Experience assessing routers, switches, firewalls, and wireless controllers
Familiarity with DISA STIGs and CIS Benchmarks
Strong understanding of AAA (RADIUS, TACACS+), SNMP security, and ACLs
Knowledge of routing protocol security (BGP, OSPF, EIGRP)
Wireless security experience (WPA2/WPA3, rogue AP detection, client isolation)

Tools Experience:
Wireshark, Nmap, Nessus, Qualys, SIPVicious, Scapy, Metasploit, and similar tools

Minimum Qualifications:

Bachelor s degree in Cybersecurity, IT, Computer Science, or related field (or equivalent experience)
5+ years of relevant security assessment experience
At least one of the following certifications preferred: CEH, Security+, Network+, CCNA, CCNP, GCED, or GNFA
Experience in healthcare or regulated environments is a plus

Key Responsibilities:

Conduct security assessments of VoIP systems and network infrastructure
Perform configuration reviews aligned with STIG/CIS benchmarks
Identify, validate, and document vulnerabilities
Analyze network segmentation and potential lateral movement risks
Support development of security recommendations and remediation strategies

Employers have access to artificial intelligence language tools (“AI”) that help generate and enhance job descriptions and AI may have been used to create this description. The position description has been reviewed for accuracy and Dice believes it to correctly reflect the job opportunity.

Dice Id: 10448332
Position Id: 8919729
Posted 1 day ago

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