Information Security Senior Architect

One Identity is an award-winning security software provider offering a broad selection of solutions that solve some of the most common and most challenging IT security problems. Part of the One Identity Software group, One Identity solutions eliminate the complexities and time-consuming processes often required to govern identities, manage privileged accounts, and control access. Our solutions enhance business agility while addressing IAM challenges within on-premises, cloud, and hybrid environments. The combined entity delivers a complete portfolio of market-leading Identity Access Management, Privileged Access Management, and Identity Governance solutions. Now, customers can achieve identity-centric security with trusted, proven technology in each major category.

This role will be a leader responsible for designing, validating, and evolving enterprise-wide security architectures and controls that align with regulatory requirements, industry best practices, and internal policies. Secure enterprise platforms, networks, identity systems, and core infrastructure, ensuring resilient, scalable, and compliant environments that support business growth. You will partner with infrastructure, cloud, and platform engineering teams to embed security into foundational technology layers—not just applications.

• Build trusted relationships with senior IT and business leaders (VP/C-level) to align security architecture with long-term strategic goals. 
• Define and evolve enterprise security architecture across networks, cloud platforms, endpoints, identity systems, and data centers.
• Lead adoption of Zero Trust architecture across infrastructure, identity, and network layers.
• Drive secure infrastructure design patterns for compute, storage, networking, and platform services.
• Conduct architecture reviews and threat modeling to identify and re-mediate design-level vulnerabilities. 
• Drive maturity in security domains, including DLP, intrusion prevention, endpoint protection, network security, application security, vulnerability management, and IAM. 
• Lead implementation and configuration of enterprise security tooling, ensuring alignment with architectural standards. 
• Develop and maintain security policies, standards, and methodologies to support consistent architecture practices. 
• Monitor emerging threats and technologies, providing proactive recommendations to strengthen security posture. 
• Evaluate and onboard third-party solutions, ensuring secure integration and compliance. 
• Provide strategic guidance on encryption, secure protocols, and infrastructure hardening. 

• Bachelor’s or advanced degree in Information Systems, Cybersecurity, or related field. 
• 12+ years in cybersecurity, with strong emphasis on enterprise infrastructure and platform security architecture. 
• Proven experience designing and securing large-scale enterprise environments (cloud, on-prem, hybrid). 
• Deep expertise in network, system, and identity security architecture.
• Excellent communication skills, both written and verbal, with the ability to articulate complex technical concepts to varying audiences (development, engineers, leadership). 
• Strong knowledge of network architecture and security, cloud platforms (Azure, AWS) and hybrid infrastructure, identity systems (Active Directory, IAM, PAM), and encryption, PKI, and key management.
• Experience with infrastructure automation, scripting, and configuration management.
• Excellent analytical, collaboration, and stakeholder engagement skills. 
• This role is not eligible for immigration sponsorship.

Preferred Qualifications 

• Experience with Zero Trust and large-scale infrastructure transformation initiatives. 
• Familiarity with DevSecOps practices (infrastructure-focused rather than app-focused). 
• Industry certifications such as CISSP, CISM, CISA, or SANS GIAC.

Company Description  

One Identity enables organizations of all sizes to better secure, manage, monitor, protect, and analyze information and infrastructure to help fuel innovation and drive their businesses forward. With team members around the globe, we intend to continue to grow revenues and add value to customers.  

When you join our team, you will have the opportunity to build and develop products at a scale few others can provide. Our product portfolio serves a large base of customers, and we are addressing the strategic imperatives for enterprise businesses. Working with some of the most talented employees the industry has to offer, we provide enhanced career opportunities for team members to learn and grow in a rapidly changing environment.  

Why work with us?  

-Life at One Identity means collaborating with dedicated professionals with a passion for technology.  

-When we see something that could be improved, we get to work inventing the solution.  

-Our people demonstrate our winning culture through positive and meaningful relationships.  

-We invest in our people and offer a series of programs that enable them to pursue a career that fulfills their potential.  

-Our team members’ health and wellness are our priority, as well as rewarding them for their hard work.  

One Identity is an Equal Opportunity Employer and Prohibits Discrimination and Harassment of Any Kind: One Identity is committed to the principle of equal employment opportunity for all employees and to providing employees with a work environment free of discrimination and harassment. All employment decisions at One Identity are based on business needs, job requirements and individual qualifications, without regard to race, color, religion or belief, national, social or ethnic origin, sex (including pregnancy), age, physical, mental or sensory disability, HIV Status, sexual orientation, gender identity and/or expression, marital, civil union or domestic partnership status, past or present military service, family medical history or genetic information, family or parental status, or any other status protected by the laws or regulations in the locations where we operate. One Identity will not tolerate discrimination or harassment based on any of these characteristics. One Identity encourages applicants of all ages.  

Come join us. For more information, visit us on the web at One Identity Careers | Explore Opportunities with the OI Team 

Job seekers should be aware of fraudulent job offers from online scammers and only apply to roles listed on quest.com/careers using our applicant system. Note: We do not use text messaging or third-party messaging apps like Telegram to communicate with applicants, so please exercise caution if you are approached in this way and only interact with people claiming to be Quest employees if they have an email address ending in @quest.com or @oneidentity.com 

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