{"id":4218047,"url":"https://alion.io/job/caci-international-physicist","title":"Physicist","company":{"id":58481,"name":"CACI International","domain":"caci.com","url":"https://alion.io/company/caci-international","size_band":"5000+","is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"D","score":49,"open_postings":349,"ghost_share":0.593,"stale_share":0.178,"repost_share":0.713,"time_to_fill_p50_days":47,"computed_at":"2026-11-12T10:38:37Z"}},"role":"Science & Research","role_family":"Science & Research","seniority":"staff","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Fort Belvoir, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":94400,"max":198200,"currency":"USD","period":"year","gross":null,"usd_annual":198200},"salary_estimate":null,"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[],"status":"live","first_seen_at":"2026-11-12T00:00:00Z","employer_posted_date":"2026-11-12","last_verified_at":"2026-11-13T03:32:02Z","board_verified":true,"closed_at":null,"days_open":1,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":1},"description":"Job Title: PhysicistJob Category: EngineeringTime Type: Full timeMinimum Clearance Required to Start: SecretEmployee Type: RegularPercentage of Travel Required: NoneType of Travel: None* * *The Opportunity:\nAs a Physicist you will support defense analytical requirements with enhanced scientific research, capability/limitation analysis, reverse engineering analysis/ characterizations, facility, and vulnerability assessments. This includes, but is not limited to, applied and interdisciplinary fields of physics such as astrophysics, biophysics, directed energy weapons, and/ or geophysics. You will conduct independent research, technical writing, modeling, and overseeing/ consulting with allied engineering disciplines on, but not limited to, the areas of fiber optics, acoustics, semiconductors, lasers, weapons development, and testing and / or identifying the characteristics of hard and deeply buried targets. Prepares products to describe and document findings and activities.\nResponsibilities:\nYou will get to demonstrate an in-depth knowledge and understanding of physics and system engineering. \nYou will get to demonstrate your mastery of qualitative and quantitative analytic methodologies and pursue developments in academia or other fields that affect tradecraft methodology. \nYou will demonstrate the ability to define comprehensive, new, or unique research approaches that enable rigorous assessments to address and contribute to high-level tasks. \nYou will use your in-depth analysis of analytic operations and knowledge management issues across organization and intra-IC boundaries and clearly articulate key findings in relation to physics. \nYou will use your ability to review analytic products for cogent arguments, tradecraft standards, and adequate support for conclusions and routinely test analytic rigor of products.\nQualifications:\nRequired: \nSecurity Level: Requires Secret to start with ability to obtain TS/SCI \nBachelor’s degree in related field (physics, nuclear physics, quantum physics, biophysics, etc.) from a college or university accredited by an agency recognized by the U.S. Department of Education. \nDesired Experience: Minimum 5 years of experience in the field of physics with at least a portion of the experience within the last 2 years relevant to physics and defense applications. \nYou must also possess the ability to effectively communicate both orally and in writing. \nWilling to work rotating shifts if needed - that may include nights and weekends.\nDesired:\nSecurity Level: TS/SCI \nMaster’s degree in related field (nuclear physics, quantum physics, biophysics, etc.) from a college or university accredited by an agency recognized by the U.S. Department of Education. \nDesired Experience: Minimum 10 years of experience in the field of physics with at least a portion of the experience within the last 5 years relevant to physics and defense applications.\n-What You Can Expect:\nA culture of integrity.\nAt CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose - to ensure the safety of our nation.\nAn environment of trust.\nCACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.\nA focus on continuous growth.\nTogether, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground - in your career and in our legacy.\nPay Range:\nThere are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.\nThe proposed salary range for this position is:\n$94,400 - $198,200CACI is an Equal Opportunity Employer.All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.","description_format":"text","description_chars":4862,"description_truncated":false,"requirements":{"experience_years_min":10,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":true,"languages":[]},"benefits":["Flexible time off"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["National Security","Cyber Warfare","Intelligence","IT Consulting & Digital Transformation"],"lifecycle":[{"event":"open","at":"2026-11-13T03:32:02Z"}],"visa":[],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":1,"expected_fill_days":47,"reasons":["conf:1","win:early","comp:brand"],"computed_at":"2026-11-13T05:31:22Z"},"pay":{"stated_usd_annual":198200,"is_top_pay":true},"html_url":"https://alion.io/job/caci-international-physicist","json_url":"https://alion.io/job/caci-international-physicist.json","meta":{"generated_at":"2026-11-13T05:31:22Z","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":11692,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-14T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.1,"usd":0.01,"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":58481},"rest":"https://alion.io/mcp/rest/get_company?id=58481"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fcaci-international-physicist"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"free","price":{"credits":0,"usd":0},"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%2Fcaci-international-physicist"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.1,"usd":0.01},"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%2Fcaci-international-physicist"},{"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/caci-international-physicist\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fcaci-international-physicist"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":4218047}},{"tool":"search_jobs","arguments":{"company":"caci.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":4218047},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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