{"id":1046453,"url":"https://alion.io/job/raytheon-technologies-senior-platform-software-engineer-linux-onsite","title":"Senior Platform Software Engineer – Linux (Onsite)","company":{"id":1162,"name":"RTX","domain":"rtx.com","url":"https://alion.io/company/raytheon-technologies","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"A","score":97,"open_postings":161,"ghost_share":0,"stale_share":0.267,"repost_share":0.075,"time_to_fill_p50_days":9,"computed_at":"2026-10-17T05:46:00Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["McKinney, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":86800,"max":165200,"currency":"USD","period":"year","gross":null,"usd_annual":165200},"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Ansible","optional":false},{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"Bash","optional":false},{"name":"Bitbucket","optional":false},{"name":"C#","optional":false},{"name":"C++","optional":false},{"name":"Chef","optional":false},{"name":"CI/CD","optional":false},{"name":"DNS","optional":false},{"name":"Docker","optional":false},{"name":"Git","optional":false},{"name":"GitLab","optional":false},{"name":"Groovy","optional":false},{"name":"Java","optional":false},{"name":"Jenkins","optional":false},{"name":"Jira","optional":false},{"name":"Kubernetes","optional":false},{"name":"KVM","optional":false},{"name":"LDAP","optional":false},{"name":"Linux","optional":false},{"name":"Podman","optional":false},{"name":"Python","optional":false},{"name":"Red Hat","optional":false},{"name":"Terraform","optional":false},{"name":"Windows","optional":false}],"status":"live","first_seen_at":"2026-09-16T00:00:00Z","employer_posted_date":"2026-09-16","last_verified_at":"2026-10-18T00:08:48Z","board_verified":true,"closed_at":null,"days_open":32,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":32},"description":"Date Posted:\n2026-09-16\n\nCountry:\nUnited States of America\n\nLocation:\nUS-TX-MCKINNEY-513WC ~ 2501 W University Dr ~ WING C BLDG\n\nPosition Role Type:\nOnsite\n\nU.S. Citizen, U.S. Person, or Immigration Status Requirements:\nThe 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\n\nSecurity Clearance Type:\nDoD Clearance: Secret\n\nSecurity Clearance Status:\nActive and existing security clearance required after day 1At 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.\nRaytheon 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.\nThe 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.\nBut 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.\nWe 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.\nWhat You Will Do\nTroubleshoot, maintain, and implement solutions to optimize infrastructure operations for the AES Product Family.\n\nAnalyze and identify requirements for new or existing computer, server, peripheral, network, and telecommunications systems, considering specialized technology needs.\n\nDesign, implement, code, test, document, and support systems integration for mission-critical advanced surveillance and targeting system solutions.\n\nCollaborate closely with cybersecurity teams to ensure all security controls are met.\n\nWork alongside software engineers, systems engineers, and implementation teams toensure performance and deployment compliance.\n\nThis job is onsite in McKinney, TX; local residency or relocation required.\n\nThe 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.\n\nQualifications You Must Have\nTypically 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.\n\nCompTIA Security+ certification required\n\nExperience with Red Hat Enterprise Linux (7.x/8.x) including:\nSoftware and hardware installation and maintenance\n\nSystem administration tasks such as patching, RPM packaging, performance tuning, networking, LDAP user management, and security\n\nSecuring and hardening RHEL systems per STIG requirements\n\nScripting with Bash and Python\n\nLinux virtualization (KVM), Linux networking (creating virtual NICs, implementing forwarding rules, bridging interfaces), and general networking capabilities\n\nExperience with developer tools including Git, Artifactory, Bitbucket, Jira, and CI/CD tools (Jenkins or GitLab).\n\nExperience 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.\n\nQualifications We Prefer\nActive and transferable U.S. government issued Secret security clearance.\n\nExcellent hardware and software troubleshooting skills\n\nLinux Security, Hardening, and Enterprise Management\nRed Hat Certified System Administrator (RHCSA)\n\nRed Hat Satellite administration\n\nLUKS implementation\n\nVM and container hardening and vulnerability analysis\n\nPerformance tuning and monitoring\n\nRMF (Risk Management Framework) knowledge\n\nNetworking\nConfigure Layer 2 Cisco switches with simple VLANs, setting static routes\n\nConfigure switches as PTP boundary clocks\n\nPTP sync issues, ptp4l\n\nConfigure grandmaster clocks (e.g., Safran/Orolia SecureSync)\n\nEnterprise Infrastructure and Identity Services\nNAS and SAN administration\n\nDNS, sendmail, LDAP administration\n\nAD, SAML, OAuth, OpenID, and other strong authentication technologies\n\nCloud and DevSecOps Ecosystems\nFamiliarity with AWS and Azure\n\nExperience with Platform One DevSecOps platform toolchains and capabilities\n\nExperience with at least one major programming language (Groovy, C++, C#, Python, Java) and troubleshooting on a Linux system\n\nExcellent interpersonal and communication skills\n\nDemonstrated experience learning new technologies, methodologies and processes quickly\n\nProven ability to work effectively with remote colleagues and customers\n\nExperience administering Windows based systems\n\nWhat We Offer\nOur 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.\n\nRelocation Offered Based On Eligibility\n\nLearn More & Apply Now!\nPlease consider the following role type definition as you apply for this role:Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products.\n\nClearance Information: This position requires a security clearance. DCSA Consolidated Adjudication Services (DCSA CAS), an agency of the Department of Defense, handles and adjudicates the security clearance process.More information about Security Clearances can be found on the US Department of State government website here: https://www.state.gov/m/ds/clearances/c10978.htm \n\nLocation Information: This position is onsite at our campus in beautiful McKinney, TX.https://careers.rtx.com/global/en/raytheon-north-texas-location\nWelcome to Raytheon in McKinney, TX - YouTube\n\nWe Are RTX\nAs part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.\nThe salary range for this role is 86,800 USD - 165,200 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance.This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.\nPrivacy Policy and Terms:\nClick on this link to read the Policy and Terms","description_format":"text","description_chars":9357,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":true,"languages":[]},"benefits":["Flexible schedule","Life insurance","Parental leave"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":true,"industries":["DevSecOps"],"lifecycle":[{"event":"open","at":"2026-09-18T21:53:40Z"}],"visa":[],"liveness":{"score":18,"band":"cold","label":"Long shot","p_open":1,"p_active":0.508,"p_room":0.35,"age_days":31,"expected_fill_days":9,"reasons":["conf:3","velocity","win:tail","comp:brand"],"computed_at":"2026-10-17T05:46:00Z"},"pay":{"stated_usd_annual":165200,"is_top_pay":false},"html_url":"https://alion.io/job/raytheon-technologies-senior-platform-software-engineer-linux-onsite","json_url":"https://alion.io/job/raytheon-technologies-senior-platform-software-engineer-linux-onsite.json","meta":{"generated_at":"2026-10-18T04:52:58Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":7367,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-19T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":1162},"rest":"https://alion.io/mcp/rest/get_company?id=1162"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fraytheon-technologies-senior-platform-software-engineer-linux-onsite"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fraytheon-technologies-senior-platform-software-engineer-linux-onsite"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fraytheon-technologies-senior-platform-software-engineer-linux-onsite"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/raytheon-technologies-senior-platform-software-engineer-linux-onsite\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fraytheon-technologies-senior-platform-software-engineer-linux-onsite"}]}