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TLS Security Contractor – Mainframe Environments
Job Location:
Monthly Salary:
Experience Required:
Posted:
1 September 2026 (17 hours ago)
Posted:
Application Deadline:
29 November 2026
Application Deadline:
Vacancies:
1 Vacancy
Vacancies:
Job Summary
TLS Security Contractor Mainframe Environments
Location: Plano TX
Work Authorization: USC / GC / GC EAD Only- W2
No Third Party
Required Skills:
- Strong TLS 1.2 & TLS 1.3 knowledge
- TLS Handshake Negotiation Downgrade Prevention & Session Resumption
- Cipher Suite & Cryptographic Security Assessment
- CBC vs. AEAD RSA vs. (EC)DHE PFS
- TLS Hardening & Modernization
- Wireshark & TLS Handshake Troubleshooting
- TLS Endpoint / Flow Inventory & Dependency Analysis
- TLS 1.3 Migration Planning & Implementation
- TLS Standards Runbooks Monitoring & Reporting
- Strong communication across Mainframe Network Platform & Security teams
Required Skills:
Strong TLS 1.2 and TLS 1.3 knowledge TLS handshake negotiation downgrade prevention and session resumption Cipher suite and cryptographic security assessment CBC vs. AEAD RSA vs. (EC)DHE PFS curve and signature algorithms TLS hardening and modernization Wireshark packet capture and TLS handshake troubleshooting TLS endpoint/flow inventory and dependency analysis TLS 1.3 migration planning and implementation TLS standards runbooks monitoring reporting and exception management Strong communication across mainframe distributed network platform and security teams
