{"id":148145,"url":"https://alion.io/job/leidos-entry-level-computer-scientist","title":"Entry-Level Computer Scientist","company":{"id":7791,"name":"Leidos","domain":"leidos.com","url":"https://alion.io/company/leidos","size_band":"5000+","is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"A","score":90,"open_postings":92,"ghost_share":0,"stale_share":0.62,"repost_share":0,"time_to_fill_p50_days":21,"computed_at":"2026-09-29T05:45:00Z"}},"role":"Data Science","role_family":"Data Science","seniority":"junior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Huntsville, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":57850,"max":104575,"currency":"USD","period":"year","gross":null,"usd_annual":104575},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C++","optional":false},{"name":"Python","optional":false},{"name":"Linux","optional":true},{"name":"MATLAB","optional":true},{"name":"Red Hat","optional":true}],"status":"live","first_seen_at":"2026-08-24T00:00:00Z","employer_posted_date":"2026-09-25","last_verified_at":"2026-09-29T19:31:12Z","board_verified":true,"closed_at":null,"days_open":37,"trust":{"level":"ok","repost_count":1,"flags":[],"days_open":36},"description":"Leidos Defense Sensors is seeking an Entry-Level Computer Scientist to join our Sensor Research and Analysis Division and support critical missile defense programs. This role is to join a diverse team of scientists, engineers, and analysts supporting advanced radar systems research and development in a high-fidelity modeling and simulation environment. The candidate will be expected to setup, test, analyze, and evaluate radar and weapon system performance using modeling and simulation of air defense systems.\nIdeal candidates bring strong analytical and problem-solving skills, work effectively in a collaborative team environment, and build strong working relationships with peers and technical staff across the program. In all of these roles, you will play a vital part in enhancing system performance and advancing mission-critical objectives in support of our national defense.\nThis position is hiring now for a 2027 start date (January or post-Spring graduation). No clearance is required to start; ability to obtain a DoD Top Secret clearance is required.\nLeidos Defense Systems Sector provides a diverse portfolio of systems, solutions, and services covering land, sea, air, space, and cyberspace for customers worldwide. Solutions for Defense include enterprise and mission IT, large-scale intelligence systems, command and control, geospatial and data analytics, cybersecurity, logistics, training, and intelligence analysis and operations support. Our team is solving the world’s toughest security challenges for customers with “can’t fail” missions. To explore and learn more, click here!\nPrimary Responsibilities\nSupport M&S configuration, testing, and data analysis activities of radar and weapon systems to determine performance capabilities.\nDemonstrate strong mathematical, analytical, and problem-solving skills in support of analysis products and presentations.\nWork with a team to find solutions to novel, complex, and non-traditional questions.\nPrepare and deliver analysis results, technical briefings, and demonstrations to program stakeholders.\n\nBasic Qualifications\nBachelor’s degree in Computer Science, Software Engineering, Electrical Engineering, Math, Physics, or related technical field from an ABET-accredited institution.\nStrong proficiency in Python.\nFoundational knowledge of C++.\nExperience in computer programming, algorithm development, or analytical software tools.\nAbility to analyze data sets and provide meaningful, statistically relevant insights.\nStrong written and verbal communication skills.\nMust be a U.S. citizen with the ability to obtain and maintain a Top Secret security clearance.\nAbility to work onsite in the North Alabama area upon start.\nPreferred Qualifications\nComputer science related internship or project experience.\nExperience with radar or air/missile defense systems modeling, simulation, analysis, development, or integration.\nExperience with software development using C++.\nExperience with MATLAB, modeling tools, or scientific computing environments.\nFamiliarity with Linux environments (e.g., Red Hat Enterprise Linux).\nIf you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares.\nOriginal Posting:\nAugust 24, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.\nPay Range:\nPay Range $57,850.00 - $104,575.00The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.","description_format":"text","description_chars":4172,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":true,"languages":[]},"benefits":["Equity"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["National Security","Air Defense","C4ISR","Engineering Services"],"lifecycle":[{"event":"open","at":"2026-08-24T00:00:00Z"},{"event":"close","at":"2026-08-28T19:46:14Z"},{"event":"reopen","at":"2026-09-25T22:31:50Z"}],"liveness":{"score":12,"band":"cold","label":"Long shot","p_open":1,"p_active":0.34,"p_room":0.36,"age_days":36,"expected_fill_days":21,"reasons":["conf:3","stale_co","velocity","win:tail","crowd:junior,brand"],"computed_at":"2026-09-29T05:45:00Z"},"pay":{"stated_usd_annual":104575,"is_top_pay":false},"html_url":"https://alion.io/job/leidos-entry-level-computer-scientist","json_url":"https://alion.io/job/leidos-entry-level-computer-scientist.json","meta":{"generated_at":"2026-09-30T04:39:07Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":3360,"day_limit":5000,"remaining_today":1640,"minute_limit":60,"resets_at":"2026-10-01T00:00:00Z"}}}