{"id":1922626,"url":"https://alion.io/job/xcom-ran-principal-senior-staff-software-engineer-5g-phy-","title":"Principal / Senior Staff Software Engineer ( 5G PHY )","company":{"id":2358727,"name":"XCOM RAN","domain":"xcomran.com","url":"https://alion.io/company/xcomran","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"UltiPro","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"lead","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["San Diego, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":138000,"max_usd":276000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":1231},"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"C++","optional":false},{"name":"Linux","optional":false},{"name":"Microsoft Office","optional":true},{"name":"Tcpdump","optional":true},{"name":"Wireshark","optional":true}],"status":"live","first_seen_at":"2026-10-02T20:27:24Z","employer_posted_date":"2026-10-02","last_verified_at":"2026-10-30T19:45:30Z","board_verified":true,"closed_at":null,"days_open":28,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":28},"description":"Globalstar (NASDAQ: GSAT) is a leading provider of mobile satellite and terrestrial connectivity solutions with a comprehensive connectivity ecosystem, including XCOM RAN, its software-defined private wireless platform purpose-built for mission-critical network communications.\nXCOM RAN delivers a next-generation Radio Access Network platform designed to deliver secure, high-performance private wireless connectivity for enterprises and government organizations. XCOM RAN has an advanced software-defined architecture and enables the creation of wide-area “Supercells” that eliminate handoffs and optimize throughput. The solution is engineered for mission-critical environments where reliability, scalability, and low-latency performance are essential, from smart logistics and industrial automation to defense, emergency response, and more.\nWhat you will be doing at XCOM RAN by Globalstar\nAs a Principal /Senior Staff Software Engineer, you will lead a high performing team of software and engineers developing the next generation of high throughput 5G NR wireless systems. This will included architecting, designing, developing, and coding major system features. You will guide and mentor the software team, innovate and improve software development processes, and work with cross function engineering teams. Also, you will work with systems design and test teams to integrate and validate novel 3GPP wireless technology concepts.\nWhat you will bring to Globalstar\nBachelor’s degree or higher in Computer Science, Computer Engineering, or closely related field\n10+ years of recent and hands-on software development experience with C and/or Modern C++\n7+ years of experience software and algorithm development for PHY ( L1 ) 5G or LTE wireless systems\n7+ years of experience taking complex software from concept to finished custom ready products\n5+ years of experience developing software for real-time Linux systems\nIt’s a bonus if you have:\nMaster's or higher in Computer Science, Computer Engineering, or closely related field\nNetworking concepts, protocol, and networking tools (e.g., Wireshark, tcpdump)\nDebugging techniques for real-time software applications\nKernel debugging including core dump analysis\nOptimizing software performance\nPhysical Requirements:\nProlonged periods of sitting at a desk and working on a computer\nMarginal Functions:\nA review of this job description may have omitted some of the marginal functions of the position that are incidental to the performance of the job duties and responsibilities. This job description, in no way, states or implies that these are the only duties and/or responsibilities to be performed by the employee in this position. The employee in this position will be required to follow any other job-related instructions and to perform any other job-related duties requested by his/her supervisor.\nSkills and Competencies:\nExcellent verbal and written communication skills, including the ability to interact clearly and concisely with all departments and levels of management\nExcellent organizational skills with attention-to-detail\nAbility to meet multiple deadlines in a fast-paced environment\nAbility to effectively manage time and prioritize tasks\nAbility to act with integrity, professionalism, and confidentiality\nProficiency with Microsoft Office\nFamiliarity with NetSuite\nStrong problem-solving skills, especially under time constraints\nAbility to identify and seek needed information\nWhat Globalstar offers:\nWork/Life Balance: Paid Time Off, Paid Holidays\nFinancial Benefits: 401(k) Plan with Company Match, Employee Stock Purchase Program, Voluntary and Company Paid Group Life Insurance, Short- and Long-Term Disability Insurance, Medical FSA, Dependent Care, Competitive Salaries\nHealth & Wellness: Health Insurance, Dental Insurance, Vision Insurance, Employee Assistance Program, Comprehensive and Interactive Wellness Program","description_format":"text","description_chars":3900,"description_truncated":false,"requirements":{"experience_years_min":10,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":true},"security_clearance":false,"languages":[]},"benefits":["Dental insurance","Health insurance","Life insurance","Vision insurance"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Artificial Intelligence","Manufacturing","Industrial Automation"],"lifecycle":[{"event":"open","at":"2026-10-05T18:42:50Z"}],"visa":[],"liveness":{"score":59,"band":"ok","label":"Likely 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