{"id":3044236,"url":"https://alion.io/job/caci-international-advanced-cybersecurity-analytics-engineer-iii-2","title":"Advanced Cybersecurity Analytics Engineer III","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":43,"open_postings":832,"ghost_share":0.722,"stale_share":0.01,"repost_share":0.871,"time_to_fill_p50_days":46,"computed_at":"2026-10-24T06:02:35Z"}},"role":"Security","role_family":"Security","seniority":"middle","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Saint Louis, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":75200,"max":158100,"currency":"USD","period":"year","gross":null,"usd_annual":158100},"salary_estimate":null,"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"PowerShell","optional":false},{"name":"Python","optional":false},{"name":"SIEM","optional":false}],"status":"live","first_seen_at":"2026-10-21T23:47:45Z","employer_posted_date":"2026-10-21","last_verified_at":"2026-10-22T03:44:55Z","board_verified":false,"closed_at":null,"days_open":2,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":2},"description":"Job Title: Advanced Cybersecurity Analytics Engineer IIIJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCIEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of Travel: Local* * *The Opportunity\nReporting to the Lead of Focused Operations, under the Branch Chief of Defensive Cyber Operations, you will be tasked with developing and maintaining defensive countermeasures for the enterprise. Working within a Fusion model, will collaborate with other teams within Focused Operations with the distinct task of proactively preventing a successful compromise and eradicating persistent adversaries already in the enterprise. This will be done through various means such as: reviewing future and past intelligence reports, reviewing incident reports, through regular Purple Teaming exercises, and continuously validating Defensive Countermeasures already deployed.\nResponsibilities\nAnalyzes trends and patterns of data on NGA networks to identify and predict previously undiscovered events and incidents, and develop or tune rules/signatures/scripts as needed.\n\nCoordinates with Defensive Cyber Operations and Focused Operations to develop or tune rules/signatures/scripts.\n\nCoordinates with other Cybersecurity Operations Services to investigate and obtain information about potential sources of compromise on enterprise systems, and develop or tune rules/signatures/scripts as needed.\n\nCorrelates and analyzes precursors to incidents, and develop or tune rules/signatures/scripts as needed.\n\nWill collaborate with the Cyber Data Analytics team to achieve SIEM alert efficiency though evaluation of valid alerts and false positives, and develop or tune rules/signatures/scripts as needed\n\nWork with the Cyber Incident Response Team by assessing ongoing incident activity to predict adversary responses and locations of compromise to assist with triage.\n\nDocuments all work in the authorized ticketing system with a sufficient level of detail to ensure all stakeholders can systematically reconstruct the analysis;\n\nProvide input to reoccurring meetings and briefings as required.\n\nQualifications\nRequired\nMust be a US Citizen with an Active TS/SCI.\n\n8+ years of related advanced cyber security analytics work experience.\n\nMust have a certification that is compliant with DoD 8140.01 and DoD 8570.01-M IAT Level III and CSSP Analyst.\n\nExperience with data mining or building queries in a SIEM.\n\nStrong understanding of signature development and tuning.\n\nStrong understanding of network protocols and analysis with protocol analyzers.\n\nKnowledge of static file signatures, i.e. \"magic numbers\" and how it applies to developing countermeasures for files in transit and that reside locally on a host.\n\nGood working knowledge of regular expressions.\n\nDesired\nComfortable in a hex editor.\n\nAbility to write python/bash/powershell scripts.\n\nAbility to analyze each use case, as it pertains to detection logic, and identify the corresponding capability.\n\nGood understanding of Purple Team Tactics.\n\nFamiliarity with security in a cloud environment and how it applies to visibility gaps, data lakes and data mining.\n\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.\nSince this position can be worked in more than one location, the range shown is the national average for the position.\nThe proposed salary range for this position is:\n$75,200-$158,100CACI 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":5236,"description_truncated":false,"requirements":{"experience_years_min":8,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":true,"languages":[]},"benefits":["Flexible time off"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Cybersecurity","Information Security","Data & Analytics","Security Operations"],"lifecycle":[{"event":"open","at":"2026-10-21T23:47:45Z"}],"visa":[],"liveness":{"score":63,"band":"ok","label":"Likely open","p_open":0.9,"p_active":0.695,"p_room":1,"age_days":2,"expected_fill_days":46,"reasons":["conf:50","stale_co","urgency","velocity","win:early","comp:brand"],"computed_at":"2026-10-24T06:02:35Z"},"pay":{"stated_usd_annual":158100,"is_top_pay":true},"html_url":"https://alion.io/job/caci-international-advanced-cybersecurity-analytics-engineer-iii-2","json_url":"https://alion.io/job/caci-international-advanced-cybersecurity-analytics-engineer-iii-2.json","meta":{"generated_at":"2026-10-24T07:01:06Z","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":10363,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-25T00:00:00Z"}},"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-advanced-cybersecurity-analytics-engineer-iii-2"},{"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-advanced-cybersecurity-analytics-engineer-iii-2"},{"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-advanced-cybersecurity-analytics-engineer-iii-2"},{"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-advanced-cybersecurity-analytics-engineer-iii-2\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fcaci-international-advanced-cybersecurity-analytics-engineer-iii-2"}]}