{"id":3345783,"url":"https://alion.io/job/quantum-technologies-llc-senior-cyber-security-engineer","title":"Senior Cyber Security Engineer","company":{"id":4050703,"name":"Quantum Technologies LLC","domain":"quantumtech.io","url":"https://alion.io/company/quantumtech-io","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Security","role_family":"Security","seniority":"senior","employment_type":"contractor","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":["Chicago, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":101000,"max_usd":194000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":1385},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Linux","optional":false},{"name":"Microsoft Defender","optional":false},{"name":"Tanium","optional":false},{"name":"Windows","optional":false}],"status":"live","first_seen_at":"2026-10-27T13:07:08Z","employer_posted_date":null,"last_verified_at":"2026-10-27T13:07:08Z","board_verified":false,"closed_at":null,"days_open":1,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":1},"description":"Job Title: Senior Cyber Security Engineer\nLocation: Chicago,IL,USA\nDuration: 12 Months + Extension\nBill Rate: $78/hour\nJob Type: C2C/1099 Contract\nClient: To Be Discussed Later\nWork Authorization: US-Citizen, H-1B, OPT-EAD, GC-EAD\n Job Summary:\n\nPosition Overview for the Senior Cyber Security Engineer:\n\nThis role involves managing enterprise security systems with a focus on endpoint detection, response, and patch management.\nThe engineer will collaborate with various IT teams to ensure security policies are effectively deployed and maintained across multiple platforms.\nResponsibilities include threat intelligence execution, incident response, security reporting, and ensuring compliance with organizational change management protocols.\nThe position requires hands-on technical expertise with Microsoft Defender for Endpoint, Tanium, and various operating systems.\nThe role is primarily onsite, offering an opportunity for a senior-level professional to impact security strategies directly.\nRequirements for the Senior Cyber Security Engineer:\n\nDeep, hands-on experience with Microsoft Defender for Endpoint at scale\nStrong Tanium experience (patching, asset discovery, agent remediation)\nExtensive proficiency managing security across Windows environments, with some exposure to Linux and AIX\nProven track record in deploying, configuring, and troubleshooting endpoint security tools\nDemonstrated ability to handle incident remediation, vulnerability assessment, and security reporting.\n\nEqual Opportunity Employer: We are an equal opportunity employer. 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