Senior Platform Software Engineer - Linux (Onsite)

Senior Platform Software Engineer We have an exciting opportunity for a Senior Platform Software Engineer to join our Advanced EO/IR Systems (AES) team in McKinney, TX, which is part of our Advanced Products & Solutions group. What You Will Do Troubleshoot, maintain, and implement solutions to optimize infrastructure operations for the AES Product Family. Analyze and identify requirements for new or existing computer, server, peripheral, network, and telecommunications systems, considering specialized technology needs. Design, implement, code, test, document, and support systems integration for mission-critical advanced surveillance and targeting system solutions. Collaborate closely with cybersecurity teams to ensure all security controls are met. Work alongside software engineers, systems engineers, and implementation teams to ensure performance and deployment compliance. This job is onsite in McKinney, TX; local residency or relocation required. The ability to obtain and maintain a U.S. government issued Secret security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance. Qualifications You Must Have Typically requires a degree in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of 5 years of prior relevant engineering experience. An advanced degree in a related field may be substituted for an additional 2 years of experience. CompTIA Security+ certification required Experience with Red Hat Enterprise Linux (7.x/8.x) including: Software and hardware installation and maintenance System administration tasks such as patching, RPM packaging, performance tuning, networking, LDAP user management, and security Securing and hardening RHEL systems per STIG requirements Scripting with Bash and Python Linux virtualization (KVM), Linux networking (creating virtual NICs, implementing forwarding rules, bridging interfaces), and general networking capabilities Experience with developer tools including Git, Artifactory, Bitbucket, Jira, and CI/CD tools (Jenkins or GitLab). Experience implementing Infrastructure as Code (IaC) and containerized environments using Ansible, Kickstart, Terraform, Chef, Docker, Podman, and Kubernetes to standardize and automate platform provisioning and deployments. Qualifications We Prefer Active and transferable U.S. government issued Secret security clearance. Excellent hardware and software troubleshooting skills Linux Security, Hardening, and Enterprise Management Red Hat Certified System Administrator (RHCSA) Red Hat Satellite administration LUKS implementation VM and container hardening and vulnerability analysis Performance tuning and monitoring RMF (Risk Management Framework) knowledge Networking Configure Layer 2 Cisco switches with simple VLANs, setting static routes Configure switches as PTP boundary clocks PTP sync issues, ptp4l Configure grandmaster clocks (e.g., Safran/Orolia SecureSync) Enterprise Infrastructure and Identity Services NAS and SAN administration DNS, sendmail, LDAP administration AD, SAML, OAuth, OpenID, and other strong authentication technologies Cloud and DevSecOps Ecosystems Familiarity with AWS and Azure Experience with Platform One DevSecOps platform toolchains and capabilities Experience with at least one major programming language (Groovy, C++, C#, Python, Java) and troubleshooting on a Linux system Excellent interpersonal and communication skills Demonstrated experience learning new technologies, methodologies and processes quickly Proven ability to work effectively with remote colleagues and customers Experience administering Windows based systems What We Offer Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Safety, Trust, Respect, Accountability, Collaboration, and Innovation. Relocation Offered Based On Eligibility Raytheon