Senior Systems and Infrastructure Engineer, Information Security, Post-Quantum Cryptography (PQC)

Walmart

Quick summary

Work type: On-site
Location: Bentonville, ARHerndon, VA
Salary: $90,000–$180,000 / yr
Posted: 4 days ago
Nearby: 99+ roles within 25 mi

Market check

Salary context

Below market

How this pay compares to similar roles

Similar $179k

This role $135k

$74k most similar roles pay here $236k

This role pays less than 91% of similar roles. Most pay $156,995–$202,000 — the shaded band above. At the midpoint, this role pays about $135k versus about $179k for comparable roles.

Based on 240 similar postings.

Employer

About Walmart

Walmart Inc. is the world''s largest retailer by revenue, operating a chain of hypermarkets, discount department stores, and grocery stores, as well as a growing e-commerce presence through Walmart.com. Industry: General Merchandise & Grocery Retail

Walmart currently has 191 open roles on FindRole.

Listed pay typically runs $110,000–$220,000 across 184 roles with salary data.

Most-posted roles

View all roles at Walmart

At a glance

TL;DR · Senior Systems and Infrastructure Engineer, Information Security, Post-Quantum Cryptography (PQC)

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As a Senior Systems and Infrastructure Engineer specializing in Information Security, you will join our Cryptography team as a technical leader responsible for designing and implementing quantum-resistant cryptographic solutions across enterprise systems. Your daily tasks include defining the cryptographic strategy and roadmap, evaluating new technologies, partnering with vendors to align product direction with security needs, and mentoring engineers on secure development practices. You must have advanced expertise in cryptographic systems, including Post-Quantum Cryptography (PQC) algorithms and migration strategies, as well as experience with modern security protocols like TLS and IPsec. Strong analytical skills and the ability to communicate complex concepts effectively are crucial for this role, which involves leading cross-functional initiatives and influencing architecture decisions across large-scale enterprise environments.

Skills

Post-Quantum_Cryptography NIST_PQC TLS SSH IPsec HSMs CISSP Security+_certification CCSP GSEC

What you'll do

Lead the design and architecture of secure systems using Post-Quantum Cryptography.
Define and drive cryptographic strategy aligned with evolving PQC standards and organizational security goals.
Evaluate and guide adoption of cryptographic technologies for key exchange, signatures, and authentication in post-quantum contexts.
Assess emerging threats in quantum computing and translate research into risk mitigation strategies.
Design and oversee enterprise-scale cryptographic solutions compliant with industry standards and regulations.
Mentor engineers on secure development practices and cryptographic implementation best practices.

What we're looking for

Advanced expertise in cryptographic systems, including key exchange protocols, digital signatures, and message authentication codes.
Deep understanding of Post-Quantum Cryptography (PQC) algorithms and migration strategies.
Strong experience with modern security protocols such as TLS, SSH, IPsec.
Proven ability to design and scale secure architectures in large enterprise environments.
Demonstrated leadership in technical initiatives and influencing architecture decisions across teams.
Excellent communication skills for translating complex cryptographic concepts to non-technical stakeholders.
Experience working with hardware security modules (HSMs) or cryptographic hardware.

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