What are the responsibilities and job description for the Senior Network Security Engineer position at Lumen Solutions Group Inc.?
Senior Network Security Engineer
Overview
We are seeking a skilled Senior Network Security Engineer to operate and maintain critical network security infrastructure. The role requires a proactive approach to managing, securing, and optimizing network and cybersecurity systems while collaborating with cross-functional teams to support organizational goals.
Key Responsibilities
Operate and maintain network security infrastructure, including Palo Alto firewalls, F5 WAF, Illumio, Proofpoint gateways, IDS, AWS security tools, and more.
Respond promptly to network issues, outages, and change requests.
Perform system maintenance and provide recommendations for network and security hardware / software enhancements.
Utilize monitoring tools to address capacity, performance, and availability issues before service degradation.
Implement automation to streamline processes, improve deployment efficiency, and reduce errors.
Participate in a 24x7 on-call rotation to address urgent needs.
Mentor junior engineers and foster knowledge sharing.
Cross-train team members to enhance collective expertise and workload distribution.
Essential Functions
20% Provide day-to-day support for security solutions.
20% Offer engineering support and system administration for specialized cybersecurity tools.
15% Resolve complex technical problems and address routine inquiries about cybersecurity software.
15% Identify and mitigate potential conflicts related to implementing cybersecurity solutions.
10% Respond to routine installation, configuration, and customization inquiries.
10% Analyze system logs for performance and functionality anomalies.
10% Collaborate with design architects and project managers to define security requirements.
Required Skills
Demonstrated expertise with Palo Alto firewalls.
Experience with F5 WAF and / or Illumio Microsegmentation.
Proficient knowledge of TCP / IP fundamentals, IP subnetting, routing protocols (OSPF, BGP), and network management.
Expertise in point-to-point, VPN, and other WAN connectivity options.
Bonus Skills
Experience with AWS security tools.
Knowledge of Proofpoint Gateway (Email Security).
Familiarity with Splunk and Palo Alto SOAR.
Qualifications
Education : Bachelor’s degree in Computer Science, Information Technology, or a related field.
In lieu of a degree, 4 additional years of relevant experience are required.
Experience : 5 years of relevant IT security experience.
Preferred Certifications :
CISSP (Certified Information Systems Security Professional)
CISM (Certified Information Security Manager)
CEH (Certified Ethical Hacker)
CISA (Certified Information Systems Auditor)
Key Skills and Abilities
Advanced risk assessment and incident investigation capabilities.
Deep understanding of technical vulnerabilities and mitigation strategies.
Expertise in cybersecurity hardware / software, networks, and systems.
Proficiency in ethical hacking techniques.
Strong critical thinking and problem-solving skills.
Effective communication and ability to excel in fast-paced, dynamic environments.
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