Sr Network Security Engineer
Job Location:
Los Angeles, CA - USA
Hourly Salary:
USD 60 - 75
Posted:
29 September 2026 (Yesterday)
Application Deadline:
27 December 2026
Vacancies:
1 Vacancy
Job Summary
KAYGEN is an emerging leader in providing top talent for technology-based staffing services. We specialize in providing high-volume contingent staffing direct hire staffing and project-based solutions to companies worldwide ranging from startups to Fortune 500 and Managed Service Providers (MSP) across a wide variety of industries.
Job Title: Sr Network Security Engineer
Location: Los Angeles CA
Duration: 6 Months Plus
Description:
Seeking a highly qualified Network & Network Security contractor to support the Network & Voice Operations team in implementing critical network security enhancements infrastructure modernization initiatives and operational improvements. This role is ideal for an experienced networking professional with deep expertise in enterprise network architecture security and operations including hands-on experience with modern Cisco switching platforms and Cisco Next-Generation Firewalls (NGFWs).
Key Responsibilities:
Conduct site surveys and develop comprehensive assessments and reports on power and fiber redundancy for core network infrastructure including Provider Edge (PE) Provider (P) and firewall devices
Perform Cisco IOS and firmware upgrades on switches routers firewalls and related network infrastructure using approved software releases
Review assess and optimize enterprise network management and monitoring platforms including Cisco Catalyst Center Cisco Identity Services Engine (ISE) Thousand Eyes and Spectrum
Perform system patching security vulnerability remediation compliance validation and certification reporting activities
Support operational activities through ServiceNow ticket response troubleshooting and documentation of technical decisions and implementation outcomes
Collaborate with engineering and operations teams to maintain network reliability security and performance
Qualifications:
Active Cisco Certified Network Professional (CCNP) certification or equivalent demonstrated experience in enterprise networking and network security
Minimum of five (5) years and preferred up to ten (10) years of hands-on experience supporting enterprise network and security environments
Extensive experience with Cisco enterprise switching platforms and Cisco Next-Generation Firewalls (NGFWs)
Working knowledge of Cisco Catalyst Center Cisco Secure Firewall Management Center (FMC) and Cisco Identity Services Engine (ISE)
Strong analytical troubleshooting and problem-solving skills
Excellent written and verbal communication skills with the ability to coordinate effectively across technical and business teams
Preferred:
Current and active Cisco Certified Network Professional (CCNP) certification
Knowledgeable with enterprise monitoring reporting and operational support processes
Experience with network security compliance risk management and cybersecurity best practices
Experience supporting public sector agencies or other large-scale enterprise IT environments
Location: Los Angeles CA
Duration: 6 Months Plus
Description:
Seeking a highly qualified Network & Network Security contractor to support the Network & Voice Operations team in implementing critical network security enhancements infrastructure modernization initiatives and operational improvements. This role is ideal for an experienced networking professional with deep expertise in enterprise network architecture security and operations including hands-on experience with modern Cisco switching platforms and Cisco Next-Generation Firewalls (NGFWs).
Key Responsibilities:
Conduct site surveys and develop comprehensive assessments and reports on power and fiber redundancy for core network infrastructure including Provider Edge (PE) Provider (P) and firewall devices
Perform Cisco IOS and firmware upgrades on switches routers firewalls and related network infrastructure using approved software releases
Review assess and optimize enterprise network management and monitoring platforms including Cisco Catalyst Center Cisco Identity Services Engine (ISE) Thousand Eyes and Spectrum
Perform system patching security vulnerability remediation compliance validation and certification reporting activities
Support operational activities through ServiceNow ticket response troubleshooting and documentation of technical decisions and implementation outcomes
Collaborate with engineering and operations teams to maintain network reliability security and performance
Qualifications:
Active Cisco Certified Network Professional (CCNP) certification or equivalent demonstrated experience in enterprise networking and network security
Minimum of five (5) years and preferred up to ten (10) years of hands-on experience supporting enterprise network and security environments
Extensive experience with Cisco enterprise switching platforms and Cisco Next-Generation Firewalls (NGFWs)
Working knowledge of Cisco Catalyst Center Cisco Secure Firewall Management Center (FMC) and Cisco Identity Services Engine (ISE)
Strong analytical troubleshooting and problem-solving skills
Excellent written and verbal communication skills with the ability to coordinate effectively across technical and business teams
Preferred:
Current and active Cisco Certified Network Professional (CCNP) certification
Knowledgeable with enterprise monitoring reporting and operational support processes
Experience with network security compliance risk management and cybersecurity best practices
Experience supporting public sector agencies or other large-scale enterprise IT environments
At KAYGEN people are at the heart of everything we do. We foster a diverse inclusive and employee-driven culture where every individual is valued empowered and encouraged to bring their authentic self to work. Our candidate-first approach means we are committed to understanding your career goals and connecting you with opportunities that align with your aspirations skills and potential. Whether youre taking the next step in your career or searching for your dream opportunity KAYGEN is more than a staffing partnerwere a community dedicated to helping you grow succeed and thrive. Join us and discover a place where your talent is recognized your ambitions are supported and your future is built alongside a team that invests in your success every step of the way.
Our team of experienced staffing experts will work with you to find you the best opportunity. For more information please visit us at .
Benefits:
- Free Healthcare Insurance
- 401(k) Retirement Plan
- Free Life Insurance
- Sick Time Off
- Mentorship Program
- Certifications
- Referrals
- Family and Wellness benefits
- Continuous Growth and Career Development
Required Experience:
Senior IC