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Authentication Expert Jobs (NOW HIRING)

CACI International Inc

IAM Engineer

Arlington, TX · On-site

Expert knowledge of authentication with SAML, OAuth, OpenID, WSO2, and Kerberos * Prior experience in providing RBAC solutions for clouds solutions (e.g. Azure) * Strong scripting and automation ...

LPL Financial

Sr. Engineer, Authentication

Fort Mill, SC · On-site

$100K - $167K/yr

Expert in development of authentication journey, self-service etc. * Clear understanding and working knowledge of Open ID Connect and oAuth 2. * Minimum 3 years of experience in using databases ...

Pindrop

Senior Fraud and Authentication Consultant

OR · On-site +1

We're leading the way in authentication, fraud prevention, and voice-based trust solutions-helping ... Serve as a trusted advisor to Pindrop's most strategic customers, delivering expert technical and ...

Pindrop

Senior Fraud and Authentication Consultant

We're leading the way in authentication, fraud prevention, and voice-based trust solutions-helping ... Serve as a trusted advisor to Pindrop's most strategic customers, delivering expert technical and ...

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How much do authentication expert jobs pay per year?

As of Sep 13, 2026, the average yearly pay for authentication expert in the United States is $172,875.00, according to ZipRecruiter salary data. Most workers in this role earn between $180,000.00 and $210,000.00 per year, depending on experience, location, and employer.

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Infographic showing various Authentication Expert job openings in the United States as of August 2026, with employment types broken down into 83% Full Time, 13% Part Time, and 4% Contract. Highlights an 88% Physical, 3% Hybrid, and 9% Remote job distribution, with an average salary of $172,875 per year, or $83.1 per hour.

Senior Security Engineer - Linux Authentication

New York, NY • On-site

Elliot Partnership
See more jobs at Elliot Partnershipexternal

$125K - $171K/yr

Full-time

Re-posted 8 days ago

Job description

Job Title: Principal Engineer, Linux Authentication & Security
Location: New York, Hybrid working.
Compensation: Highly competitive compensation including generous bonus and benefits.
The Opportunity:
Join one of the world's most successful quantitative investment firms, where technology and engineering are the foundation of their business. They operate a massive, global, high-performance computing environment that powers mission-critical investment activity and research. Their engineering teams are comprised of elite problem-solvers who thrive on tackling the most complex challenges in infrastructure, security, and distributed systems.
We are seeking a Principal-level Engineer to join their core engineering team. This is not a typical security role. You will be an architect and a hands-on builder, responsible for engineering the fundamental authentication and security services that underpin their entire global Linux infrastructure. If you are a deep technical expert who wants to design and implement critical security systems at immense scale, this is the role for you.
What you'll do:
  • Architect, design, and drive the end-to-end implementation of the firm's most critical Linux authentication and security services.
  • Take ownership of our identity and access platforms, ensuring they are performant, highly reliable, and secure by design.
  • Engineer the seamless and secure integration of new Linux OS distributions into a complex, fast-paced global infrastructure.
  • Automate security and infrastructure processes by developing robust, elegant tooling in Python.
  • Serve as a subject matter expert, collaborating with brilliant engineers across the firm to solve deep and challenging technical problems.

What you'll bring:
  • A seasoned engineer with 15+ years of experience in systems engineering and infrastructure security.
  • Deep, authoritative knowledge of Linux-based operating systems, from the kernel up.
  • Proven, hands-on experience in the design and end-to-end implementation of complex authentication and security services. We need builders, not just administrators.
  • Expert-level proficiency in the theory and practical application of X.509 PKI, Kerberos, and OAuth/OpenID Connect.
  • Demonstrable development experience in Python for the purpose of infrastructure automation and tooling.
  • Exceptional troubleshooting capabilities, with the ability to diagnose complex issues at both the host and network level.
  • Outstanding communication skills and a collaborative, team-oriented mindset.

Why you should apply:
You will be empowered to make a significant impact on the security and stability of a world-class technology platform. You'll work alongside some of the brightest minds in the industry and have the resources to build things the right way. They value engineering excellence, intellectual curiosity, and a first-principles approach to problem-solving.

Apply