Network Security Engineer

Job Title : Network Security Engineer

Location : Cupertino, CA

Employment Type : Contract (via Kforce)

Industry : Enterprise Technology / Cloud / AI Security

Job Summary

We are seeking a Network Security Engineer to perform advanced security assessments, secure enterprise network and cloud environments, and support the protection of systems that integrate modern AI / ML applications. The engineer will evaluate network exposure points, cloud connectivity, and data flows, ensuring strong security controls are implemented across web, mobile, and AI-driven platforms.

The ideal candidate will have expertise in network security, cloud security (AWS), vulnerability management, and risk assessment with the ability to work cross-functionally to improve the organization's overall security posture.

Key Responsibilities Network & Cloud Security Assessments

Conduct comprehensive network security assessments across enterprise applications, cloud services, and AI / ML-integrated systems.

Analyze network exposure risks across :

Web application traffic

Mobile communication channels

AI / ML model APIs and inference endpoints

Cloud environments (AWS EC2, S3, KMS, RDS)

Evaluate security risks related to data ingestion, API access, and inference workflows.

Security Engineering & Hardening

Secure and optimize network configurations, firewalls, routing paths, and cloud network architectures.

Identify vulnerabilities in network paths supporting AI / ML model endpoints and backend services.

Provide actionable remediation steps and support fix implementation with engineering teams.

Architecture Reviews & Collaboration

Perform secure architecture reviews focusing on network flows, API traffic paths, and cloud connectivity.

Partner with engineering, development, and infrastructure teams to ensure network-level controls meet enterprise requirements.

Align network security strategies with overall application and AI / ML workflows.

Risk Analysis & Vulnerability Management

Perform threat modeling and risk assessments for network access points and cloud architecture.

Track vulnerabilities, assess risk levels, and deliver prioritized remediation plans.

Review logs, network events, and security outputs to identify suspicious activity.

Reporting, Communication & Enablement

Deliver technical and non-technical reports detailing findings, risks, and remediation strategies.

Present findings to both technical teams and leadership.

Support enablement activities promoting secure design and development practices.

Required Skills & Experience

Strong expertise in Network Security Engineering .

Experience securing network paths in environments that include :

AI / ML models and LLM-based applications

APIs, web applications, and mobile app traffic

AWS cloud services (EC2, S3, KMS, RDS)

Experience in :

Vulnerability management

Risk assessments

Threat analysis

Cloud networking and cloud security

API and endpoint security

Strong cross-team communication and ability to collaborate with engineering, architecture, and security stakeholders.

Ability to translate technical risks into business-impact language.

Soft Skills

Strong verbal and written communication

Ability to present to technical and non-technical audiences

Strong collaboration and problem-solving skills

Why Work With Kforce

Eligible employees may receive :

Medical, dental, and vision insurance

HSA & FSA options

401(k)

Life, disability & AD&D insurance

Paid time off (for salaried roles; hourly varies by law)

Kforce is an Equal Opportunity / Affirmative Action Employer.