{"id":3112209,"url":"https://alion.io/job/marksman-security-security-shift-supervisor","title":"Security Shift Supervisor","company":{"id":265378,"name":"Marksman Security","domain":"marksmansecurity.com","url":"https://alion.io/company/marksman-2","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"A","score":85,"open_postings":15,"ghost_share":0,"stale_share":0.6,"repost_share":0,"time_to_fill_p50_days":32,"computed_at":"2026-10-29T05:49:05Z"}},"role":"Field & Service","role_family":"Field & Service","seniority":"junior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Carrollton, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":27000,"max_usd":47000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":7889},"experience_years_min":1,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[],"status":"live","first_seen_at":"2026-10-22T19:16:38Z","employer_posted_date":"2026-10-22","last_verified_at":"2026-10-29T05:17:04Z","board_verified":true,"closed_at":null,"days_open":6,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":6},"description":"Marksman Security is built on serving our clients and building careers - just like yours. We are trusted by some of the most well-known companies and properties in the country while remaining dedicated to building personalized security solutions that solve the needs of every customer we support. Named as a nationally recognized Top Workplace in 2024 and 2025 by USA Today, Marksman's customized approach to security services will provide you with the opportunity to learn, grow and succeed. Our core values of being Unified, Transparent, Innovative, Committed and Accountable help us in providing unparalleled service and support in all that we do. If you are looking for a meaningful career, a culture of excellence, and the ability to make a difference, we want to talk to you!\nShifts Available:\nFull-Time 1st Shift, Monday - Friday 5:30 AM - 1:30 PM\nFull-Time 2nd Shift, Monday - Friday 1:30 PM - 9:30 PM\nResponsibilities of Security Officers include, but are not limited to:\nManage daily security operations and ensured high-quality service delivery.\n\nMaintain security logs, records, and post orders.\n\nServe as the primary liaison between the client and security personnel.\n\nPromote a strong safety culture and incident prevention efforts.\n\nRespond to emergencies, ensuring timely communication and reporting.\n\nSupervise and support shift personnel and site operations.\n\nRecognize employee achievements and addressed performance issues as needed.\n\nMaintain professional client relationships and service standards.\n\nExercise sound judgment and performed additional duties as assigned.\n\nRequired Qualifications of Security 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