Zscaler

Principal Security Researcher

United States

Zscaler Logo
Not SpecifiedCompensation
Senior (5 to 8 years)Experience Level
Full TimeJob Type
UnknownVisa
Cybersecurity, Cloud Security, Enterprise SecurityIndustries

Requirements

Candidates must possess at least 8 years of experience managing PKI operations, certificates, or cryptographic security in production environments, along with a Bachelor’s degree in Computer Science, Information Security, or a related field, or equivalent practical experience. Proficiency in Public Key Infrastructure (PKI) concepts, cryptographic protocols such as TLS/SSL, RSA, ECC, and HMAC is required, alongside hands-on experience managing Certificate Authorities (CA), HSMs, and PKI tools like Microsoft CA, EJBCA, or equivalent. Scripting knowledge in Python, Bash, or PowerShell for automation and integration is also necessary.

Responsibilities

The Principal Security Researcher will oversee the full lifecycle of the PKI environment, including Certificate Authorities (CAs), Intermediate CAs, CRLs, OCSP services, and HSMs, and manage certificate lifecycle operations such as issuance, renewal, expiration monitoring, and revocation to avoid service disruptions. They will ensure PKI operations comply with security policies, regulatory requirements, and cryptographic standards, and develop automation solutions to streamline certificate management at scale. Furthermore, the researcher will collaborate with engineering, product, IT, DevOps, and security teams to integrate cryptographic best practices into systems and products.

Skills

PKI
Certificate Authorities
CRLs
OCSP
HSMs
Cybersecurity
Security Research
Cryptography
Cloud Security
Network Security

Zscaler

Cloud-based cybersecurity and secure gateway services

About Zscaler

Zscaler provides cloud-based information security services, focusing on internet, web, and cloud security. Its platform functions as a secure gateway that inspects all internet traffic between users and applications, ensuring that threats are identified and stopped before they can access a client's network. This service is offered through a subscription model, allowing large enterprises and government organizations to select the level of security that meets their needs. Zscaler differentiates itself from competitors by offering a strong partner program that enhances market reach and provides partners with training and resources. The company's goal is to support secure digital transformation for its clients by delivering reliable security solutions.

Key Metrics

San Jose, CaliforniaHeadquarters
2008Year Founded
$148.8MTotal Funding
IPOCompany Stage
Enterprise Software, CybersecurityIndustries
5,001-10,000Employees

Benefits

Comprehensive health plans
Supportive parental & family leave
On-demand learning & development
Company-sponsored volunteering
Global tuition assistance program
Guilt-free paid time off

Risks

Emerging cybersecurity firms may erode Zscaler's market share.
Economic downturns could impact Zscaler's subscription-based revenue model.
The retirement of CFO Mr. Canessa may lead to financial instability.

Differentiation

Zscaler offers a 100% cloud-based security platform, eliminating on-premise hardware needs.
The company is a Gartner magic quadrant leader for secure web gateways.
Zscaler's platform inspects all internet traffic, ensuring threats are neutralized pre-network.

Upsides

Zscaler's FY/25 guidance was revised upward, indicating strong financial performance.
The partnership with Bharti Airtel enhances Zscaler's zero-trust architecture offerings.
Zscaler's hiring of government experts strengthens its position in the public sector.

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