Senior Platform Software Engineer – Linux (Onsite)

Location: US-TX-MCKINNEY-513WC ~ 2501 W University Dr ~ WING C BLDG

 Position Role Type: Onsite

 U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.​ U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance

 Security Clearance Type: DoD Clearance: Secret

 Security Clearance Status: Active and existing security clearance required after day 1 At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world.  Raytheon brings the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. We deliver solutions that help our nation and allies defend freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense. The Advanced Product and Solutions organization at RTX provides the joint warfighter with actionable information from an unblinking eye across the battlespace. By joining the APS Engineering team you’ll have the opportunity to design, develop and test product capabilities for Active Electronically Scanned Array (AESA) radars, integrated sensor suites, precision targeting, multispectral EO/IR targeting systems, Pilot Situational Awareness, Special mission aircraft and Strategic and tactical ISR Systems. But more than anything, we are innovators, creators and strategists drawing inspiration from each other every day. We collaborate, iterate, and execute with an eye toward the company mission and personal career growth. 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.

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,