TarianSecurity Officer (Armed & Taser) TarianSecurity Officer (Armed & Taser)Brentwood, TennesseeWhile performing the duties of this job, the employee must be able to sit, stand, and walk for variable amounts of time throughout an assigned shift; use hands to finger, handle or feel objects, tools or controls; reach with hands and arms; climb stairs; occasionally stoop, kneel, or crouch. Our Healthcare Security Officers are responsible for maintaining the security and safety of the hospital, its staff, and its patients and visitors -- and serve as a visible deterrent to illegal activities on hospital property.
Oak Ridge National LaboratorySenior Information Systems Security Officer (ISSO) Oak Ridge National LaboratorySenior Information Systems Security Officer (ISSO)Oak Ridge, TNThe ISSO supports the Information Systems Security Manager (ISSM) in the certification and accreditation of systems/networks and implementation of cyber security requirements and procedures across the National Security Sciences Directorate at Oak Ridge National Laboratory. Overview: The Field Intelligence Operations Division (FIOD) is seeking a Cybersecurity Specialist to provide day-to-day support for Sensitive Compartmented Information (SCI) and Special Access Program (SAP) systems.
Inter-Con Security Systems IncRegional Security Trainer (84163) Inter-Con Security Systems IncRegional Security Trainer (84163)Nashville, TNClients include the Departments of State, Justice, Homeland Security, Energy, and Defense, as well as Fortune 500 companies, major public utilities, and ultra-high net worth individuals. Founded in 1973, Inter-Con Security Systems, Inc. is a leading global security company, providing a full range of physical security services to government and commercial customers on four continents.
M.C. Dean IncPhysical Security Programming Specialist (Tech Specialist 2)- Clarksville, TN M.C. Dean IncPhysical Security Programming Specialist (Tech Specialist 2)- Clarksville, TNClarksville, TNAs part of (SES) Strategic Business Unit you will be part of a team that designs, engineers, integrates, operates and maintains electronic security services inclusive of intrusion detection, access control, biometric authentication, video surveillance, audio visual, it systems, perimeter defense and command and control systems for federal, local and commercial customers across high-growth markets. With over 9,000 employees, our capabilities span electrical, electronic security, telecommunications, life safety, automation and controls, audiovisual, and IT systems.
Deloitte Touche Tohmatsu LtdCloud Security Senior Consultant - M365 Deloitte Touche Tohmatsu LtdCloud Security Senior Consultant - M365Hermitage, TN$105,100–$207,800 / yearThis will include: Function as senior onshore engineer/consultant for the following Microsoft technologies: Purview, Intune, Sentinel, Security Copilot, Entra ID, Defender for Office, Defender for Endpoints and Servers, Defender for Vulnerabilities, Defender for Cloud Apps, Defender XDR and SCCM. 4+ years of hands-on technical experience with Microsoft 365 enterprise-level messaging and collaboration services (Teams, OneDrive for Business, Exchange Online, Entra ID, SharePoint Online, O365 administration and setup) in implementation and operations.
Ryder System IncApplication Security Engineer Ryder System IncApplication Security EngineerNashville, TNCompensation Information : The compensation offered to a candidate may be influenced by a variety of factors, including the candidate's relevant experience; education, including relevant degrees or certifications; work location; market data/ranges; internal equity; internal salary ranges; etc. Current Employees : If you are a current employee at Ryder, please click here (http://wd5.myworkday.com/ryder/d/task/1422$3.htmld) to log in to Workday to apply using the internal application process.
Hss IncSecurity Officer Armed & Taser Hss IncSecurity Officer Armed & TaserBrentwood, TNWhile performing the duties of this job, the employee must be able to sit, stand, and walk for variable amounts of time throughout an assigned shift; use hands to finger, handle or feel objects, tools or controls; reach with hands and arms; climb stairs; occasionally stoop, kneel, or crouch. Our Healthcare Security Officers are responsible for maintaining the security and safety of the hospital, its staff, and its patients and visitors -- and serve as a visible deterrent to illegal activities on hospital property.
Securitas Security Services USA IncExecutive Protection Security Officer Securitas Security Services USA IncExecutive Protection Security OfficerNashville, TNThe Executive Protection Security Officer position helps maintain a safe and secure environment for our clients by actively monitoring the premises, including patrolling a variety of locations. Retirement plan Employer-provided medical and dental coverage Company-paid life insurance Voluntary life and disability insurance Employee assistance plan Securitas Saves discount program Paid holidays Paid time away from work.
Tennessee State UniversitySecurity Officer 1 Tennessee State UniversitySecurity Officer 1Nashville, TNThe Security Officer 1 patrols, observes and reports incidents or activities that appear to be in violation of the law or violation of university rules and regulation and of a questionable and suspicious nature; reports accidents involving persons or property; report probable cause of incidents and pursue appropriate course of action and informs proper authorities as required; directs and controls traffic on campus; handle duties as prescribed by an assigned fixed post orders; enforce and abide by all lawful orders and directives give to you by your immediate supervisor and supervisory chain of command; testify in court or in legal proceedings as required by the nature of your position; check for valid university identification and any other plaque, decal, or sticker issued by the university; issues parking citations; operates and maintains security equipment; keeps records and makes reports; and performs other related work as assigned. Meets the requirements of TCA 38-8-106, Qualifications of Police Officers; be at least eighteen (18) years of age; be a citizen of the United States; be a high school graduate or possess equivalency; not have been convicted of or pleaded guilty to or entered a plea of nolo contendere to any felony charge or to any violation of any federal or state laws or city ordinances relating to force, violence, theft, dishonesty, gambling, liquor or controlled substances; not have been released or discharged under any other than honorable discharge from any of the armed forces of the United States; have his fingerprints on file with the Tennessee Bureau of Investigation; have passed a physical examination by a licensed physician; have a good moral character as determined by the thorough investigation conducted by the employing agency; and be free of all apparent mental disorders as described in the Diagnostic and Statistical manual of Mental Disorders, Third Edition (DSM-111) of the American Psychiatric Association.
Tennessee State UniversitySecurity and Parking Officer Tennessee State UniversitySecurity and Parking OfficerNashville, TN$29,250–$35,100 / yearApplicant Requirements Applicant must not have been convicted of or pleaded guilty to or entered a plea of nolo contendere to any felony charge or to any violation of any federal or state laws or city ordinances relating to force violence, theft, dishonesty, gambling, liquor, or controlled substances, and must not have been released or discharged under any other than honorable discharge from any of the armed forces of the United States. Reports accidents involving persons or property, and pursues appropriate course of action and informs proper authorities as required.
Metro One LPSG IncUnarmed Security Officer Metro One LPSG IncUnarmed Security OfficerMemphis, TNWe are proud to provide top-tier security and loss prevention services to our valued clients and we're growing fast! If you're looking for more than just a job - if you want to be part of a growing, supportive team where your hard work matters - M1 Global is your next career move.
Securitas Security Services USA IncSecurity Officer Virtual Hiring Event 6/2/2026 Securitas Security Services USA IncSecurity Officer Virtual Hiring Event 6/2/2026Portland, TNThe Security Officer position helps maintain a safe and secure environment for our clients by actively monitoring the premises, including patrolling a variety of locations. If you have retail, food service or hospitality industry background you are a great fit for this role; if not, we will provide you with the training and everything you need for a great introduction to a career in the security industry.
Securitas Security Services USA IncSecurity Officer Securitas Security Services USA IncSecurity OfficerNew Johnsonville, TNThe Security Officer position helps maintain a safe and secure environment for our clients by actively monitoring the premises, including patrolling a variety of locations. If you have retail, food service or hospitality industry background you are a great fit for this role; if not, we will provide you with the training and everything you need for a great introduction to a career in the security industry.
Securitas Security Services USA IncSecurity Officers Securitas Security Services USA IncSecurity OfficersJackson, TNThe Security Officer position helps maintain a safe and secure environment for our clients by actively monitoring the premises, including patrolling a variety of locations. If you have retail, food service or hospitality industry background you are a great fit for this role; if not, we will provide you with the training and everything you need for a great introduction to a career in the security industry.
Securitas Security Services USA IncOff Duty Police Armed Security Officer Securitas Security Services USA IncOff Duty Police Armed Security OfficerNashville, TNThe Armed Security Officer position helps maintain a safe and secure environment for our clients by actively monitoring the premises, including patrolling a variety of locations. Frequently our Armed Security Officers will provide customer service and information to a client's employees and customers and serve as a physical deterrent.
U.S. Department of Homeland SecurityTransportation Security Officer U.S. Department of Homeland SecurityTransportation Security OfficerKnoxville, TNRelocation expenses reimbursed No Appointment type Permanent Work schedule Part-time Service Excepted Promotion potential F Job family Series 1802 Compliance Inspection And Support Supervisory status No Security clearance Not Required Drug test Yes Position sensitivity and risk Noncritical-Sensitive NCS Moderate Risk Trust determination process Credentialing Suitability Fitness National security Financial disclosure No Bargaining unit status Yes Announcement number 12884203-TYS-PT Control number 857093700. Overview Help Accepting applications Open & closing dates 02102026 to 03102026 Salary 46105 to - 56844 per year See Duties area of this announcement for detailed salary information per duty location Pay scale & grade SV D Location Many vacancies in the following location TYS - McGhee Tyson Airport Knoxville TN Remote job No Telework eligible No Travel Required Occasional travel - A minimum of three 3 weeks of travel in a full-time duty status may be required to complete TSAs New Hire training.
Allied UniversalSecurity Officer Patrol Operations Allied UniversalSecurity Officer Patrol OperationsJackson, TNJoin Allied Universal as an Unarmed Patrol Officer at a dynamic manufacturing and industrial location, where you will conduct routine patrols, remain visible to help discourage security-related incidents, and support a welcoming environment through strong customer service and communication. What You'll Do: Provide customer service to employees, visitors, and/or vendors by carrying out security-related procedures, site-specific policies, and when appropriate, emergency response activities at a manufacturing and industrial location.
Allied UniversalSecurity Officer Patrol Rover Allied UniversalSecurity Officer Patrol RoverUnion City, TNJoin Allied Universal as an Unarmed Patrol Officer at a healthcare location, where you will monitor and patrol assigned areas, maintain a visible presence to help reduce security-related incidents, and support staff, patients, and visitors with outstanding customer service and communication. Minimum Requirements: 1+ years of law enforcement experience or 2+ years of security-related supervisor/manager experience or 3+ years of security-related experience are required.
Allied UniversalSecurity Officer Unarmed Patrol Allied UniversalSecurity Officer Unarmed PatrolKnoxville, TNJoin Allied Universal as an unarmed patrol professional at a busy logistics and distribution location, where you will monitor assigned areas, conduct routine patrols, and remain visible to help deter security-related incidents. Conduct regular and random patrols of loading areas, trailer yards, parking areas, entry points, and the perimeter to help to deter unauthorized activity and identify unusual conditions.
Allied UniversalSecurity Officer - Healthcare Patrol - Overnight Shift Allied UniversalSecurity Officer - Healthcare Patrol - Overnight ShiftNashville, TNJoin Allied Universal as an Unarmed Patrol Officer in a healthcare location, where you will conduct routine patrols, stay visible to help deter security-related incidents, and support patients, visitors, and staff with exceptional customer service and communication. What You'll Do: Provide customer service to patients, visitors, and staff by carrying out security-related procedures, site-specific policies, and/or emergency response activities appropriate to the location.
Allied UniversalSecurity Officer Patrol Part Time Allied UniversalSecurity Officer Patrol Part TimeMartin, TNJoin Allied Universal at a dynamic manufacturing and industrial location as an unarmed patrol officer, where you will monitor and patrol assigned areas, perform routine rounds, and help to deter security-related incidents through a strong visible presence. Respond to incidents, alarms, and/or unusual activity in a calm, problem-solving manner, documenting observations and communicating with site contacts and Allied Universal leadership as needed.
Allied UniversalSecurity Officer Full Time Patrol Allied UniversalSecurity Officer Full Time PatrolMemphis, TNJoin Allied Universal as an Unarmed Patrol Officer in a dynamic healthcare location, where you will conduct routine patrols, remain visible to help deter security-related incidents, and deliver outstanding customer service and communication. What You'll Do: Provide customer service to patients, visitors, and staff by carrying out security-related procedures, location-specific policies, and/or appropriate emergency response activities within a healthcare location.
Allied UniversalSecurity Officer Mobile Patrol Allied UniversalSecurity Officer Mobile PatrolKodak, TNAs an unarmed patrol officer at a busy logistics and distribution location, you will conduct routine patrols, stay visible to help deter security-related incidents, and support a welcoming atmosphere through strong customer service and communication. Conduct regular and random patrols throughout loading areas, trailer yards, dock spaces, parking areas, and perimeter points to help identify unusual activity and/or site concerns.
Allied UniversalSecurity Professional - Health Center - Flex Allied UniversalSecurity Professional - Health Center - FlexNashville, TNPREFERRED QUALIFICATIONS (NICE TO HAVE): Service in Military Occupational Specialty related to law enforcement, security (such as Military Police, Elite Military Forces, combat arms) or any support role in a Combat Zone. Minimum of two (2) years of verifiable employment history relating customer service or the protective service industry (preferably security, healthcare, military, law enforcement, or corrections).
Allied UniversalSecurity Officer - Commercial Building - Full Time Allied UniversalSecurity Officer - Commercial Building - Full TimeNashville, TNJoin Allied Universal as a driving patrol officer in a healthcare location, where you will monitor and patrol assigned areas, remain visible to help discourage security-related incidents, and support patients, visitors, and staff through strong customer service and communication. Conduct regular and random patrols throughout the facility, including hallways, parking areas, entrances, and perimeter locations, as working environments and conditions may vary by location.
Allied UniversalSecurity Officer Hospital Patrol Driver Allied UniversalSecurity Officer Hospital Patrol DriverBartlett, TNJoin Allied Universal as an unarmed patrol professional in a healthcare location, where you will conduct routine patrols, remain visible to help deter security-related incidents, and deliver outstanding customer service and communication. In a fast-paced hospital setting, you will support a caring environment through teamwork, integrity, and a reliable, people-first approach while helping staff, patients, and visitors throughout the location.
Allied UniversalSecurity Officer Customer Service Driver Patrol Allied UniversalSecurity Officer Customer Service Driver PatrolMemphis, TNJoin Allied Universal as a driving patrol officer at a busy logistics and distribution location, where you will monitor and patrol assigned areas, remain visible to help deter security-related incidents, and support access activity across the site. What You'll Do: Provide customer service to employees, visitors, and drivers by carrying out security-related procedures, site-specific policies, and/or appropriate emergency response activities at a logistics and distribution location.
Allied UniversalSecurity Officer Entrance Monitoring - Flex Allied UniversalSecurity Officer Entrance Monitoring - FlexNashville, TNAs a Security Officer Enhanced Part Time Patrolling in Nashville, TN, this role is designed to provide reliable, consistent hours at an assigned site with the flexibility for you to earn more by picking-up additional shifts when it works for you. Earn More, Claim-A-Shift Program: In addition to your fixed shift, you may pick-up extra shifts through our scheduling platform, allowing you to increase earnings and gain experience across multiple sites.
Allied UniversalSecurity Officer Welcome Center Allied UniversalSecurity Officer Welcome CenterStanton, TNAs a Security Officer Welcome Center in Stanton, TN, this role is designed to provide reliable, consistent hours at an assigned site with the flexibility for you to earn more by picking-up additional shifts when it works for you. Earn More, Claim-A-Shift Program: In addition to your fixed shift, you may pick-up extra shifts through our scheduling platform, allowing you to increase earnings and gain experience across multiple sites.
Allied UniversalSecurity Officer Access Monitoring - Overnights Allied UniversalSecurity Officer Access Monitoring - OvernightsNashville, TNJoin Allied Universal at a dynamic food and beverage location as an Access Control Officer, helping to monitor entry points, verify credentials, and support smooth site access for employees and visitors. What You'll Do: Provide customer service to employees, visitors, and contractors by carrying out access control procedures, site-specific policies, and when appropriate, emergency response activities at a food and beverage location.
Allied UniversalSecurity Officer Driver Patrol Overnight Allied UniversalSecurity Officer Driver Patrol OvernightChattanooga, TNJoin Allied Universal as an unarmed driving patrol officer at a financial institution location, where you will monitor assigned areas, conduct routine patrols, and help to discourage security-related incidents through a visible presence and strong communication. What You'll Do: Provide customer service to employees, visitors, and/or vendors by carrying out security-related procedures, site-specific policies, and when appropriate, emergency response activities at a financial services location.
Allied UniversalSecurity Officer - Medical Center - Part Time Allied UniversalSecurity Officer - Medical Center - Part TimeNashville, TNJoin Allied Universal as an unarmed patrol officer in a healthcare location, where you will conduct routine patrols, maintain a visible presence to help reduce security-related incidents, and support patients, visitors, and staff with exceptional customer service and communication. What You'll Do: Provide customer service to staff, patients, and visitors by carrying out security-related procedures, location-specific policies, and/or emergency response activities within a healthcare location.
Allied UniversalSecurity Officer Patrol Unit Allied UniversalSecurity Officer Patrol UnitPowell, TNAs an Unarmed Patrol Officer in a healthcare location, you will conduct routine patrols, maintain a visible presence, and help to deter security-related incidents while supporting staff, patients, and visitors with outstanding customer service and communication. What You'll Do: Provide customer service to patients, visitors, staff, and/or vendors by carrying out assigned security-related procedures, site-specific policies, and when appropriate, emergency response activities within a healthcare location.
Allied UniversalSecurity Officer - Office Building - Weekends Allied UniversalSecurity Officer - Office Building - WeekendsNashville, TNJoin Allied Universal as an Unarmed Patrol Officer in a healthcare location, where you will monitor and patrol assigned areas, remain visible to help reduce security-related incidents, and support staff, patients, and visitors with outstanding customer service. Monitor access points and observe visitor and staff activity, helping to follow location protocols for entry, restricted areas, and after-hours movement.
Allied UniversalSecurity Officer Weekend Patrol Allied UniversalSecurity Officer Weekend PatrolPortland, TNJoin Allied Universal as an Unarmed Patrol Officer in a busy retail location, where you will conduct routine patrols, maintain a visible presence to help to deter security-related incidents, and support a welcoming environment for shoppers and staff. Respond to incidents, disturbances, and critical situations in a calm, professional, and problem-solving manner, and communicate relevant details to site contacts and/or local authorities when needed.
Allied UniversalSecurity Officer Patrol Response Allied UniversalSecurity Officer Patrol ResponseKnoxville, TNJoin Allied Universal as an unarmed patrol officer in a commercial real estate location, where you will monitor assigned areas, conduct routine patrols, and remain visible to help discourage security-related incidents. What You'll Do: Provide customer service to tenants, visitors, and/or staff by following site-specific procedures, access guidelines, and other security-related policies at a commercial real estate location.
Allied UniversalSecurity Officer Armed Patrol Allied UniversalSecurity Officer Armed PatrolGeorgetown, TNJoin Allied Universal as an Armed Security Officer in a government location, where you will monitor and patrol assigned areas, maintain a visible presence to help deter security-related incidents, and deliver outstanding customer service and communication. What You'll Do: Provide customer service to employees, visitors, and/or contractors by carrying out security-related procedures, site-specific policies, and when appropriate, emergency response activities at a government location.
Allied UniversalArmed Security Site Supervisor Allied UniversalArmed Security Site SupervisorCumberland City, TNCapably utilize scheduling and billing software to produce reports (such as Scheduling Activity, Training Detail reports, etc.) that require interpretation and action for effective business management. Company Overview: Allied Universal, North America's leading security and facility services company, offers rewarding careers that provide you a sense of purpose.
Allied UniversalSecurity Officer Foot Patrol Allied UniversalSecurity Officer Foot PatrolMemphis, TNJoin Allied Universal as an unarmed officer at a dynamic food and beverage location, where you will conduct routine patrols, remain visible to help deter security-related incidents, and deliver exceptional customer service and communication. What You'll Do: Provide customer service to visitors, employees, and drivers by carrying out security-related procedures, site-specific policies, and/or emergency response activities at a food and beverage location.
Allied UniversalSecurity Officer - Healthcare Site - Full Time Allied UniversalSecurity Officer - Healthcare Site - Full TimeHendersonville, TNJoin Allied Universal as an unarmed patrol officer in a healthcare location, where you will monitor and patrol assigned areas, stay visible to help discourage security-related incidents, and support patients, visitors, and staff with outstanding customer service and communication. What You'll Do: Provide customer service to staff, patients, and visitors by carrying out security-related procedures, site-specific policies, and/or appropriate emergency response activities within a healthcare location.
Allied UniversalSecurity Officer Campus Patrol Allied UniversalSecurity Officer Campus PatrolChattanooga, TNJoin Allied Universal as an unarmed Patrol Officer at a busy logistics and distribution location, where you will monitor assigned areas, conduct routine patrols, and remain visible to help discourage security-related incidents. Conduct regular and random patrols throughout loading areas, parking lots, gate access points, warehouse spaces, and the perimeter to help to deter unauthorized activity and identify unusual conditions.
Ascension Health AllianceSecurity Officer Armed Ascension Health AllianceSecurity Officer ArmedMurfreesboro, TNChampion Emergency Readiness Plans Act as a vital technical lead by mastering all alarm systems and emergency protocols to ensure the team is prepared for any disaster or security simulation. Ensure Public Safety and Assistance Protect the well-being of the community by providing clear guidance and a reassuring professional presence to help visitors navigate the facility safely during stressful times.
Allied UniversalSecurity Officer Access Monitoring Allied UniversalSecurity Officer Access MonitoringClinton, TNThis Access Control role combines visible presence, routine patrols, and strong communication to help discourage security-related incidents while delivering outstanding customer service. What You'll Do: Provide customer service to tenants, visitors, and staff by carrying out site-specific procedures, access protocols, and/or emergency response activities appropriate to the location.
Allied UniversalSecurity Officer Patrol Coverage Allied UniversalSecurity Officer Patrol CoverageMemphis, TNJoin Allied Universal as an Unarmed Patrol Officer in a dynamic location, where you will conduct routine patrols, maintain a visible presence to help discourage security-related incidents, and support daily operations through strong customer service and communication. Guided by a caring culture, teamwork, reliability, agility, innovation, and integrity, you will play an important role in creating a welcoming environment for everyone on site.
Allied UniversalSecurity Officer Patrol Allied UniversalSecurity Officer PatrolKnoxville, TNJoin Allied Universal as an unarmed patrol officer at a dynamic technology and telecommunications location, where you will monitor and patrol assigned areas, remain visible to help deter security-related incidents, and deliver outstanding customer service and communication. What You'll Do: Provide customer service to clients and visitors by carrying out security-related procedures, site-specific policies, and/or appropriate emergency response activities at a technology and telecommunications location.
Allied UniversalSecurity Officer Vehicle Patrol Driver Allied UniversalSecurity Officer Vehicle Patrol DriverKnoxville, TNAs an Allied Universal Officer in a retail location, you will monitor and patrol assigned areas, remain visible to help discourage security-related incidents, and deliver exceptional customer service and communication. Conduct regular and random patrols throughout storefront areas, common spaces, parking areas, and the perimeter to help to deter unwanted activity and identify unusual conditions.
Allied UniversalSecurity Office Site Monitoring - Weekends Allied UniversalSecurity Office Site Monitoring - WeekendsMount Juliet, TNOur Access Control Officers at a busy logistics and distribution location help monitor entry points, verify credentials, and support security-related procedures for employees, visitors, and deliveries. What You'll Do: Provide customer service to clients, visitors, and employees by carrying out access control procedures, site-specific policies, and/or emergency response activities as appropriate.
Allied UniversalNewSecurity Officer Patrol Associate Allied UniversalSecurity Officer Patrol AssociateJackson, TennesseeJoin Allied Universal as an unarmed patrol officer at a dynamic manufacturing and industrial location, where you will monitor assigned areas, conduct routine patrols, and remain visible to help deter security-related incidents. Provide customer service to employees, visitors, and vendors by carrying out security-related procedures, site-specific policies, and/or emergency response activities at a manufacturing and industrial location.
Allied UniversalNewSecurity Officer Patrol Specialist Allied UniversalSecurity Officer Patrol SpecialistStanton, TennesseeJoin Allied Universal as an Unarmed Patrol Officer at a government location supporting tourism operations, where you will conduct routine patrols, maintain a visible presence to help deter security-related incidents, and assist visitors and staff with professionalism and care. Provide customer service to visitors, staff, and/or members of the public by carrying out security-related procedures, location-specific policies, and when appropriate, emergency response activities at a government tourism location.
Allied UniversalNewSecurity Guard Patrol Duty Allied UniversalSecurity Guard Patrol DutyJackson, TennesseeAs an Allied Universal Security Officer at a manufacturing and industrial location, you will conduct routine patrols, stay visible to help discourage security-related incidents, and support daily operations with strong customer service and communication. Support site operations by communicating with staff and supervisors, following post orders, and observing workplace conditions that may require a security-related response.