Senior Network Security Analyst

Placements24; Lexington (KY); Hybrid; USD 55,000 - 79,000; Full time

Benefits offered by this job

Fully remote position

Competitive salary

Medical aid & provident fund

Professional development support

Job summary

Placements24 is seeking a Senior Network Security Analyst for a prominent telecommunications client. This fully remote role allows you to work from anywhere in South Africa, focusing on protecting the network infrastructure, threat detection, incident response, and security policy development.

You will monitor logs with SIEM, investigate incidents, conduct vulnerability assessments, manage firewalls and IDS/IPS, and mentor junior analysts while collaborating with IT and engineering teams.

Qualifications

• Bachelor's degree or equivalent practical experience.
• 7+ years in network security analysis, operations, or engineering.
• Strong knowledge of TCP/IP, DNS, DHCP, HTTP/S.
• Experience with SIEM, IDS/IPS, firewalls, and vulnerability scanners.
• Familiarity with ISO 27001, NIST frameworks.
• Scripting ability for security automation is a plus.
• Security certifications (CISSP/CEH/CompTIA) desirable.

Responsibilities

• Monitor network traffic and security logs for threats using SIEM and tools.
• Investigate, analyze, and respond to security incidents in a timely manner.
• Develop and maintain network security policies, procedures, and standards.
• Conduct vulnerability assessments and penetration testing.
• Configure and manage firewalls, IDS/IPS, VPNs, and endpoint security.

Skills

SIEM

Firewall management

IDS/IPS

Vulnerability scanning

Scripting (Python,Bash)

Security incident response

Log analysis

Education

Bachelor's degree in CS/InfoSec/Cybersecurity

Tools

Splunk

QRadar

Palo Alto

Cisco ASA

Nessus

Qualys

Job description

About the Role

Our client, a prominent provider of telecommunications services, is seeking a highly skilled and experienced Senior Network Security Analyst to join their expanding team. This role is fully remote, offering the flexibility to work from anywhere within South Africa. You will be responsible for safeguarding our client's network infrastructure against cyber threats, developing and implementing robust security measures, and responding to security incidents. The ideal candidate possesses a deep understanding of network security principles, threat detection, incident response, and a passion for protecting critical digital assets within the dynamic telecoms industry. This position is crucial for maintaining the integrity and confidentiality of our client's network and customer data.

Key Responsibilities

• Monitor network traffic and security logs for suspicious activities and potential threats using SIEM and other security tools.
• Investigate, analyze, and respond to security incidents in a timely and effective manner.
• Develop, implement, and maintain network security policies, procedures, and standards.
• Conduct vulnerability assessments and penetration testing to identify and mitigate security weaknesses.
• Configure and manage network security devices, including firewalls, intrusion detection/prevention systems (IDS/IPS), VPNs, and endpoint security solutions.
• Stay current with emerging cyber threats, vulnerabilities, and security technologies.
• Provide security awareness training and guidance to other IT staff and end-users.
• Collaborate with IT and engineering teams to ensure security is integrated into all network designs and deployments.
• Perform regular security audits and compliance checks.
• Contribute to the development of security incident response plans and disaster recovery strategies.
• Mentor junior security analysts and contribute to the overall enhancement of the security posture.

Requirements

• Bachelor's degree in Computer Science, Information Security, Cybersecurity, or a related field; or equivalent practical experience.
• Minimum of 7 years of experience in network security analysis, operations, or engineering.
• Strong knowledge of network protocols (TCP/IP, DNS, DHCP, HTTP/S) and common network architectures.
• Hands-on experience with security tools such as SIEM (e.g., Splunk, QRadar), IDS/IPS, firewalls (e.g., Palo Alto, Cisco ASA), and vulnerability scanners (e.g., Nessus, Qualys).
• Proficiency in analyzing security logs and network traffic data.
• Understanding of security frameworks and compliance standards (e.g., ISO 27001, NIST).
• Experience with scripting languages (e.g., Python, Bash) for automation of security tasks is a plus.
• Excellent analytical, problem-solving, and critical-thinking skills.
• Strong communication and collaboration abilities, essential for a remote role.
• Relevant security certifications such as CISSP, CEH, CompTIA Security+ are highly desirable.
• Experience within the telecoms industry is a significant advantage.

Benefits

• Fully remote position offering exceptional flexibility and the ability to work from anywhere in South Africa.
• Highly competitive salary.
• Comprehensive benefits package including medical aid, a provident fund, and performance-based incentives.
• Access to extensive online training resources, opportunities to attend virtual security conferences, and support for obtaining advanced certifications.
• Part of a forward-thinking team dedicated to protecting critical infrastructure in the telecoms sector and gain valuable experience in a challenging and rewarding field, working from the comfort of your own home.