Network Security Engineer

Salary : $79,040 - 104,000 per year

Requirements :

• Bachelors degree in Computer Science, Information Security, or a related field OR a minimum of three years of progressive experience in Information Security.
• Current, bank-approved security-related certifications such as CCNA or PCNSA are required.
• Advanced certifications like CCNP, PCNSE, or other recognized industry credentials are preferred.
• At least three years experience with Cisco and Palo Alto Networks firewalls, as well as routing and switching devices from major vendors.
• Minimum of three years in network administration and security management tools.
• Proficient knowledge of SIEM and security monitoring tools for at least three years, preferably with ManageEngine EventLog Analyzer, Log360, AD-Audit Plus, AD-Manager Plus, and File-Audit.
• Three or more years experience with TCP / IP, DNS, DHCP, VPN, LAN / WAN, encryption protocols (SSL / TLS, IPSec, SSH), and vulnerability assessment tools (e.g., Nessus, OpenVAS).
• Familiarity with Windows Server and Linux operating systems, including the hardening of servers and endpoints.
• Ability to work autonomously with minimal oversight, prioritize effectively, and execute responsibilities proficiently.
• Strong analytical and problem-solving abilities, with keen attention to detail.
• Proficient at focusing on critical functions and organizing work efficiently in a high-availability environment.

Responsibilities :

Assist the Network Security Administrator (NSA) in monitoring, investigating, and responding to cybersecurity incidents to reduce operational and regulatory risks.

Analyze and prioritize network and security alerts gathered from various sources, including 24x7 monitoring platforms, next-generation firewalls, security policy rules, and connection logs.

Support proactive threat detection and root cause analysis, and participate in remediation efforts.

Document incidents, investigations, corrective actions, and lessons learned.

Help maintain enterprise firewall platforms through administration and upkeep, including Integrated cloud security services.

Implement approved firewall rule modifications in strict alignment with change management protocols.

Contribute to quarterly reviews of firewall rules to enhance security posture and performance.

Support software updates and patch management related to firewalls and security devices.

Assist in the security of routers, switches, and other network appliances while adhering to documented change control processes.

Maintain accurate security architecture documentation and network diagrams.

Help configure and manage the SIEM platform in support of compliance requirements.

Develop and refine alerts, correlation rules, and dashboards that bolster monitoring efforts.

Validate the orderliness of identified security issues and track remediation efforts.

Implement endpoint security standards for servers and workstations, including anti-malware solutions and patch management.

Collaborate with IT teams on system hardening initiatives and validate compliance with security standards.

Aid in the formulation and maintenance of cybersecurity standards and procedures alongside the NSA.

Support security audits by collecting necessary evidence and validating configurations.

Help generate security metrics and risk summaries for Information Security meetings.

Stay updated on emerging AI security risks and assist in the evaluation of new AI-related technologies.

Participating in after-hours incident response and on-call rotations as necessary.

Technologies :

AI

Cloud

Cisco

Firewall

Support

LAN

Linux

Network

Security

TCP / IP

VPN

Windows

Ansible

Hardware

Python

More :

We are the Bank of Stockton, dedicated to protecting our network infrastructure and data from cybersecurity threats. Our team is focused on ensuring a secure banking environment through diligent engineering and operational support of network security technologies. We offer a comprehensive benefits package including health and dental insurance, a 401(k), and paid time off. Located in Stockton, CA, we foster a collaborative environment where your input is valued, and professional development is prioritized. We believe in building a diverse workforce and actively promote equal opportunity in all aspects of employment.

last updated 5 week of 2026