{"id":2813263,"url":"https://alion.io/job/caci-international-software-engineering-co-op-summer-fall-2027","title":"Software Engineering Co-op - Summer & Fall 2027","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":47,"open_postings":369,"ghost_share":0.626,"stale_share":0.16,"repost_share":0.745,"time_to_fill_p50_days":48,"computed_at":"2026-11-05T05:54:30Z"}},"role":"Backend","role_family":"Backend","seniority":"junior","employment_type":"part_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":["Danbury, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":45900,"max":91900,"currency":"USD","period":"year","gross":null,"usd_annual":91900},"salary_estimate":null,"experience_years_min":1,"visa_sponsorship":true,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C#","optional":false},{"name":"C++","optional":false},{"name":"Java","optional":false},{"name":"MATLAB","optional":false},{"name":"Python","optional":false},{"name":"Windows","optional":false}],"status":"live","first_seen_at":"2026-10-12T00:00:00Z","employer_posted_date":"2026-10-12","last_verified_at":"2026-11-05T20:29:28Z","board_verified":true,"closed_at":null,"days_open":25,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":25},"description":"Job Title: Software Engineering Co-op - Summer & Fall 2027Job Category: Intern/Co-opTime Type: Part timeMinimum Clearance Required to Start: NoneEmployee Type: Part-Time On-CallPercentage of Travel Required: NoneType of Travel: None* * *The Opportunity:\nAs a Software Engineering Co-op, you will provide prototyping, coding, testing, scripting, and document generation in support of software development activities. You will perform data analysis using proprietary software systems in support of on-going contracts, and develop automation software for program-specific data flows on those contracts. You will also develop breadboard implementations of algorithms in MatLab or Mathematica environments based upon mathematical descriptions of algorithm approaches in order to come up with creative solutions to problems. You will benefit from working side by side with a talented and experienced group of professionals eager to mentor. Ideally, we'd like the candidate to join the team in Summer 2027 and continue through December 2027.\nResponsibilities:\nAlgorithm prototyping\nCode development in C# and Python\nSoftware test development\nRequirements, test plan, and release documentation on generation and updates\nData processing\n Qualifications:\nRequired:\nCompletion of at least one year towards a Bachelor's degree in Computer Science, Computer Engineering, Mathematics, Physics or a related field\nMust be legally authorized to work in the United States without the need for employer sponsorship, now or at any time in the future\nAbility to successfully complete a pre-employment drug screening\nDevelopment of moderate-sized desktop applications in a Windows environment using a C-based language (C++, C#, Java)\nStrong mathematics background including completion of calculus and linear algebra courses\nDesired:\nMinimum GPA of 3.0 or higher is preferred, but not required \nPrevious internship/co-op or other work experience\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$45,900 - $91,900CACI 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":3873,"description_truncated":false,"requirements":{"experience_years_min":1,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["Flexible time off"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["National Security","Electronic Warfare","Intelligence","IT Consulting & Digital Transformation"],"lifecycle":[{"event":"open","at":"2026-10-18T11:03:44Z"}],"visa":[],"liveness":{"score":60,"band":"ok","label":"Likely open","p_open":1,"p_active":0.664,"p_room":0.9,"age_days":24,"expected_fill_days":48,"reasons":["conf:2","stale_co","urgency","velocity","win:mid","comp:junior,brand"],"computed_at":"2026-11-05T05:54:30Z"},"pay":{"stated_usd_annual":91900,"is_top_pay":false},"html_url":"https://alion.io/job/caci-international-software-engineering-co-op-summer-fall-2027","json_url":"https://alion.io/job/caci-international-software-engineering-co-op-summer-fall-2027.json","meta":{"generated_at":"2026-11-06T00:00:26Z","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":20,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-07T00:00:00Z"}},"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":58481},"rest":"https://alion.io/mcp/rest/get_company?id=58481"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fcaci-international-software-engineering-co-op-summer-fall-2027"},{"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%2Fcaci-international-software-engineering-co-op-summer-fall-2027"},{"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%2Fcaci-international-software-engineering-co-op-summer-fall-2027"},{"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-software-engineering-co-op-summer-fall-2027\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fcaci-international-software-engineering-co-op-summer-fall-2027"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":2813263}},{"tool":"search_jobs","arguments":{"company":"caci.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":2813263},"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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