About this opportunity
NanoInfomatrix LLC lists this Senior Network Security Engineer opportunity in san jose, California. Review the employer’s description below for duties, qualifications and application requirements.
Job description
Senior Network Security Engineer
Billing Rate: $65 – $95 per hour (1099/W2/C2C depending on experience)
Eligibility: Only U.S. Citizens or Green Card holders
Job Summary
Nano Infomatrix LLC is seeking an experienced Senior Network Security Engineer to build and support our customer infrastructure environment based in San Jose, CA . The ideal candidate will have hands‑on architect and setup expertise in network and security technologies, including Cisco Firepower NGFW , LAN/WAN/VPN , and F5 load balancing , as well as experience with proxy solutions , SFTP , and vulnerability management tools such as Tenable . Prior experience in manufacturing environments is a strong plus.
Key Responsibilities
Design, implement, and maintain secure network infrastructure across LAN, WAN, and VPN environments.
Configure, manage, and troubleshoot Cisco Firepower Next-Generation Firewalls (NGFW) .
Support proxy/Next-Gen firewall setups to enhance network security and performance.
Deploy and maintain F5 load balancers to optimize traffic and ensure high availability.
Manage and secure SFTP configurations for data transfers.
Utilize Tenable for vulnerability assessment, monitoring, and remediation support.
Ensure compliance with security policies, standards, and best practices.
Collaborate with cross‑functional teams (network, systems, and security operations) to implement secure solutions.
Document infrastructure configurations, processes, and operational procedures.
Required Skills & Experience
5+ years of hands‑on experience in network security engineering.
Strong expertise in Cisco Firepower NGFW , LAN/WAN/VPN technologies.
Experience with SED , Proxy/Next-Gen Firewalls , and F5 load balancing .
Knowledge of SFTP configurations and management.
Familiarity with Tenable or other vulnerability management tools.
Excellent troubleshooting and analytical skills.
Strong communication and documentation abilities.
Preferred Qualifications
Experience working in manufacturing environments .
Relevant certifications such as CCNP Security , F5 Certified , CISSP , or CEH .
Ability to work independently in a hybrid/remote environment.
Seniority Level
Mid‑Senior level
Employment Type
Contract
Job Function
Information Technology
Industries
IT Services and IT Consulting
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Worksite address
san jose, CA, 95199, US
Who can apply
Review the original listing for work authorization, qualifications and employer requirements.