Senior Platform Software Engineer – Linux (Onsite)
RTX Corporation2 months ago
McKinney, TX, USASenior
Base Salary
$87k - $165k/yr
Responsibilities
- Troubleshoot, maintain, and implement solutions that optimize infrastructure operations for the AES Product Family.
- Analyze requirements for computer, server, peripheral, network, and telecommunications systems, including specialized technology needs.
- Design, implement, code, test, document, and support systems integration for mission-critical surveillance and targeting solutions.
- Administer and secure Red Hat Enterprise Linux systems, including installation, patching, RPM packaging, performance tuning, networking, LDAP user management, and STIG hardening.
- Implement Linux virtualization, virtual networking, infrastructure as code, containerized environments, and automated platform provisioning and deployments.
- Collaborate with cybersecurity, software engineering, systems engineering, and implementation teams to meet security, performance, and deployment requirements.
- Support networking, identity services, enterprise infrastructure, cloud, and DevSecOps ecosystems.
Requirements
- Typically requires a STEM degree and at least 5 years of prior relevant engineering experience; an advanced related degree may substitute for 2 years of experience.
- U.S. citizenship and the ability to obtain and maintain a U.S. government-issued Secret security clearance are required; an active and existing clearance is required after day 1.
- CompTIA Security+ certification is required.
- Experience with Red Hat Enterprise Linux 7.x/8.x, including administration, patching, RPM packaging, performance tuning, networking, LDAP, security, and STIG hardening.
- Experience with Bash and Python scripting, KVM virtualization, Linux networking, virtual NICs, forwarding rules, bridging, and general networking.
- Experience with Git, Artifactory, Bitbucket, Jira, Jenkins or GitLab, and CI/CD tools.
- Experience with Ansible, Kickstart, Terraform, Chef, Docker, Podman, and Kubernetes for infrastructure as code and containerized environments.
- Preferred qualifications include RHCSA certification, Red Hat Satellite administration, LUKS, VM and container hardening, vulnerability analysis, RMF knowledge, Cisco switching and VLANs, PTP, NAS/SAN, DNS, sendmail, LDAP, AD, SAML, OAuth, OpenID, AWS, Azure, Platform One, and programming in Groovy, C++, C#, Python, or Java.
- Preferred experience includes Windows systems administration, troubleshooting hardware and software, performance monitoring, and working effectively with remote colleagues and customers.
Benefits
- Fully onsite work in McKinney, Texas; local residency or relocation is required.
- Relocation assistance is offered based on eligibility.
- Potential benefits include medical, dental, vision, life insurance, short- and long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance, the Employee Scholar Program, parental leave, paid time off, and holidays.
- Eligible employees may participate in annual short-term and/or long-term incentive compensation programs.
- The application window is expected to remain open for approximately 40 days from September 16, 2026, subject to change.
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About RTX Corporation
RTX Corporation builds aerospace and defense systems through its Collins Aerospace, Pratt & Whitney, and Raytheon businesses, serving commercial aviation, the U.S. government, and allied militaries. Its products range from aircraft engines and avionics to radars, missiles, and command-and-control software, sold via long-term OEM programs and defense contracts. Formed in 2020 by the Raytheon–United Technologies merger, RTX is headquartered in Arlington, Virginia and trades on the NYSE as RTX.