Principal Linux Security Engineer

Job not on LinkedIn

🕒 October 6

🇺🇸 United States – Remote

⏰ Full Time

🔴 Lead

👮‍♂️ Cybersecurity / Security Engineer

👻 Ghost score 18%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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TMSfirst

WebsiteLinkedInAll Job Openings

201 - 500 employees

Founded 2014

🚗 Transport

📦 Logistics

Transport • Logistics • Supply Chain

TMSfirst is a transportation management system (TMS) that provides agile, cloud-based supply chain visibility and analytics solutions. Designed for global businesses, TMSfirst helps clients reduce transportation costs and improve efficiency by integrating all modes of product movement including ocean, air, rail, bulk, FTL, and LTL into a single platform. Its AI-driven functionalities streamline logistics and procurement processes, ensuring real-time visibility, data harmonization, and optimized freight management for companies dealing with complex supply chain challenges.

📋 Description

• Create and use operating-system security errata, including CSAF, VEX, advisories, repository updateinfo, and security feeds for scanners. • Build STIG and DIS compliance profiles. • Improve OpenSCAP and develop Ansible scripts to apply security profiles. • Implement proactive Linux OS security using build flags, LKRG, and SELinux while preserving usability. • Build tools and use AI to accelerate development, testing, and release. • Score CVEs using the CVSS calculator and assess software affectedness based on build and configuration.

🎯 Requirements

• Proven work experience in Security and/or Linux Engineering with a focus on the Linux OS. • At least 4 years of experience doing security in Linux and at least 2 years of experience building Linux Packages. • Understanding of security errata in an operating system, including CSAF, VEX, advisories, repository updateinfo, and security feeds. • Experience building STIG and DIS profiles. • Understanding of OpenSCAP and ability to build Ansible scripts to apply security profiles. • Knowledge of proactive Linux OS security, including build flags, LKRG, and SELinux. • Ability to build tools and interact with AI to accelerate development, testing, and release. • Understanding of CVE scoring and experience using the CVSS calculator. • Ability to determine whether software is affected by a CVE and how build and configuration affect affectedness.

🏖️ Benefits

• Medical, dental, and vision insurance. • Flexible paid time off. • Employee stock options. • Remote work; no travel required for most positions.