{"schemaVersion":"jobsearcher.job.v1","id":"ed49e802f013c61db987bf95","url":"https://jobsearcher.com/jobs/ed49e802f013c61db987bf95","canonicalUrl":"https://jobsearcher.com/jobs/ed49e802f013c61db987bf95","title":"Network Security Engineer (TLS/IPsec, Post-Quantum Cryptography)","description":"We are building a system that upgrades existing communication software with post-quantum cryptography (PQC). The focus is on integrating new quantum-resistant algorithms into TLS 1.3, IPsec/IKEv2, and application-level signatures in a controlled test environment. This is a short-term contract with clear deliverables and an opportunity to gain early experience in PQC deployment.⸻Responsibilities• Configure and test TLS 1.3 connections with post-quantum extensions (OpenSSL, wolfSSL, or equivalent).• Configure and test IPsec/IKEv2 tunnels with hybrid classical + PQ key exchange (strongSwan or equivalent).• Add post-quantum digital signatures to message/file workflows.• Run performance benchmarks (latency, throughput, CPU, memory) comparing classical vs. hybrid vs. PQC.• Document results for use in system modeling and rollout planning.Requirements:• Strong background in TLS, IPsec, IKEv2.• Linux networking and VPN experience.• Hands-on with OpenSSL, wolfSSL, or strongSwan.• Familiarity with or willingness to learn NIST PQC algorithms (ML-KEM, ML-DSA, SLH-DSA).• Ability to deliver working prototypes and performance reports.Engagement:• Contract role (remote acceptable, US persons only).• Duration: ~3–6 months.• Compensation: hourly or fixed-fee depending on scope.","company":"Reprogramming","rawCompany":"reprogramming","city":"Denver","state":"CO","isRemote":false,"isActive":false,"createdAt":"2026-08-14T12:10:52.583Z","occupations":[{"code":"15-1299.05","title":"Information Security Engineers","slug":"information-security-engineers"},{"code":"15-1244.00","title":"Network and Computer Systems Administrators","slug":"network-and-computer-systems-administrators"},{"code":"15-1241.00","title":"Computer Network Architects","slug":"computer-network-architects"}],"industries":[{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"541519","title":"Other Computer Related Services","slug":"other-computer-related-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Network Security Engineer (TLS/IPsec, Post-Quantum Cryptography)","description":"We are building a system that upgrades existing communication software with post-quantum cryptography (PQC). The focus is on integrating new quantum-resistant algorithms into TLS 1.3, IPsec/IKEv2, and application-level signatures in a controlled test environment. This is a short-term contract with clear deliverables and an opportunity to gain early experience in PQC deployment.⸻Responsibilities• Configure and test TLS 1.3 connections with post-quantum extensions (OpenSSL, wolfSSL, or equivalent).• Configure and test IPsec/IKEv2 tunnels with hybrid classical + PQ key exchange (strongSwan or equivalent).• Add post-quantum digital signatures to message/file workflows.• Run performance benchmarks (latency, throughput, CPU, memory) comparing classical vs. hybrid vs. PQC.• Document results for use in system modeling and rollout planning.Requirements:• Strong background in TLS, IPsec, IKEv2.• Linux networking and VPN experience.• Hands-on with OpenSSL, wolfSSL, or strongSwan.• Familiarity with or willingness to learn NIST PQC algorithms (ML-KEM, ML-DSA, SLH-DSA).• Ability to deliver working prototypes and performance reports.Engagement:• Contract role (remote acceptable, US persons only).• Duration: ~3–6 months.• Compensation: hourly or fixed-fee depending on scope.","datePosted":"2026-08-14T12:10:52.583Z","dateModified":"2026-08-14T12:10:52.583Z","hiringOrganization":{"@type":"Organization","name":"Reprogramming","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Denver","addressRegion":"CO","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"ed49e802f013c61db987bf95"},"url":"https://jobsearcher.com/jobs/ed49e802f013c61db987bf95"}}