June 17, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.
June 25, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. It's a better process: facilitating a continuous ATO through real-time monitoring and dashboards that provide single pane of glass visibility into control compliance, zero-trust built-in to system design from day one, continuous evidence that gives auditors real-time proof instead of point-in-time packages, and an ATO that program teams can inherit rather than pursue.
p>GardaWorld Security is a global champion in sophisticated and tailored security solutions, employing and training highly skilled and dedicated professionals across the globe. In the United States, GardaWorld Security remains the only guarding security company to be Certified by Great Place to Work.
The enforced dress code is business casual, i.e., collared shirt with slacks for men, no skirts above the knee for women.
• Collaborate with security engineers, compliance officers, and business managers to ensure policies are both technically sound and operationally practical.
HII - Mission Technologies is currently seeking a Senior Information System Security Officer (ISSO) to work out of Fairfax, VA in support of the DoD/DoW Advana War Data Platform designed to aggregate operational, intelligence, logistics, and sensor data from multiple domains, enable Joint All-Domain Command and Control (JADC2) by providing a common data fabric, and support AI/ML applications for predictive analytics, targeting, and mission planning. • 10 years relevant experience with Bachelors in related field; 7 years relevant experience with Masters in related field; 4 years relevant experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 13 years relevant experience.
Our capabilities range from C5ISR, AI and Big Data, cyber operations and synthetic training environments to fleet sustainment, environmental remediation and the largest family of unmanned underwater vehicles in every class. Our workforce includes skilled tradespeople; artificial intelligence, machine learning (AI/ML) experts; engineers; technologists; scientists; logistics experts; and business administration professionals.
Washington, DC30+ days ago
The CSPO, as the liaison, must effectively communicate with senior leaders and be knowledgeable of all security pillars: Physical security, Industrial Security, Information Security, personnel security, and Cyber Security; Development of Program Protection Plans, OPSEC Plans, SOPS, SSAs and Transportation plans. Industrial Security Analyst 2 : 3 years relevant experience with Bachelors in related field; 1 year relevant experience with Masters in related field; or High School Diploma or equivalent and 7 years relevant experience.
HII - Mission Technologies is currently seeking a Senior Zero Trust Compliance Officer to work out of Fairfax, VA in support of the DoD/DoW Advana War Data Platform designed to aggregate operational, intelligence, logistics, and sensor data from multiple domains, enable Joint All-Domain Command and Control (JADC2) by providing a common data fabric, and support AI/ML applications for predictive analytics, targeting, and mission planning. • 10 years relevant experience with Bachelors in related field; 7 years relevant experience with Masters in related field; 4 years relevant experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 13 years relevant experience.
HII - Mission Technologies is currently seeking a SME Information System Security Manager (ISSM) to work out of Fairfax, VA in support of the DoD/DoW Advana War Data Platform designed to aggregate operational, intelligence, logistics, and sensor data from multiple domains, enable Joint All-Domain Command and Control (JADC2) by providing a common data fabric, and support AI/ML applications for predictive analytics, targeting, and mission planning. • 15 years relevant experience with Bachelors in related field; 13 years relevant experience with Masters in related field; 10 years relevant experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 19 years relevant experience.
Lanham-Seabrook, MD30+ days ago
The Protective Security Officer (PSO) provides armed security services at federally protected IRS facilities in support of the Department of Homeland Security (DHS), Federal Protective Service (FPS). Must be able to obtain and maintain firearms qualification and all required training certifications (CPR/AED/First Aid, FPS training, and post-specific training).
Ashburn, Virginia30+ days ago
We offer local-to-global data center expertise, aligned with our connected platform of AI-ready data centers to create solutions that enable our clients to seamlessly scale their digital businesses, anywhere and anytime. This position plays a critical role in ensuring the protection of personnel and company property, managing access control, monitoring CCTV systems, responding to incidents, and completing written reports.
Rockville, MD30+ days ago
American Protection Solutions (APS) is a rapidly growing security and protective services firm, trusted by corporate clients, high-profile venues, and private estates across the DMV region. Security Officers will play a critical role in maintaining a safe and secure environment for clients, employees, and visitors.
Chenega Naswik International, LLC has immediate openings for an Unarmed Security Officer to provide security services in support of the National Park Service across locations in Washington, D.C. and Virginia.Responsibilities.
Possess the ability to fluently speak, read, write, and understand the English language, to include reading, understanding, applying printed rules, and detailed instructions.
Ashburn, Virginia17 days ago
We offer local-to-global data center expertise, aligned with our connected platform of AI-ready data centers to create solutions that enable our clients to seamlessly scale their digital businesses, anywhere and anytime. This position plays a critical role in ensuring the protection of personnel and company property, managing access control, monitoring CCTV systems, responding to incidents, and completing written reports.
Rockville, MD30+ days ago
American Protection Solutions (APS) is a rapidly growing security and protective services firm, trusted by corporate clients, high-profile venues, and private estates across the DMV region. This position requires strong communication skills, attention to detail, and the ability to respond calmly and effectively to situations.
Hyattsville, Maryland30+ days ago
p>Position Overview: Signal Security Officers are entrusted with maintaining the safety and security of courtyards, offices, pools, and other high-value areas. Team Development: Work closely with clients, team members, and management, ensuring smooth communication and execution of tasks.
Arlington, VA30+ days ago
citizen or legal resident; Possess a high-school diploma, GED, or equivalent; Successful completion of a thorough background check and fingerprinting; No felony convictions or convictions of misdemeanors involving crimes of moral turpitude or gross misconduct; Valid driver"s license: must currently possess an appropriate, active, valid motor vehicle operator's license that meets all of GMU's requirements for operating state vehicles and equipment under Mason's Vehicle Use Policy 1411 https://universitypolicy.gmu.edu/policies/vehicle-use/. Responsibilities:
Responsible for providing security services on campus properties 24 hours a day, responsibilities of Security Officers include:
- Monitoring University owned or controlled buildings, areas, and property;
- Performing building lock-downs, unlocks, fire watches, and safety escorts;
- Ensuring academic offices, labs, and sensitive areas are kept secure;
- Observing and reporting suspicious activity, including writing incident reports when necessary; and.
Hyattsville, MD30+ days ago
Blueline Security Services is hiring professional and reliable Security Officers to provide patrol services at a retail shopping center. Position Overview This position requires a strong visible presence, strong communication skills, and the ability to interact professionally with tenants and the public.
Nicotine products" include, but are not limited to: cigarettes, cigars, pipes, chewing tobacco, e-cigarettes, vaping products, hookah, and nicotine replacement products (e.g., nicotine gum, nicotine patches, nicotine lozenges, etc.). Those testing positive are given the opportunity to re-apply in 90 days, if they can truthfully attest that they have not used any nicotine products in the past ninety (90) days and successfully pass follow-up testing.
Hyattsville, MD30+ days ago
Our leadership team brings more than 75 years of combined law enforcement and security experience, providing our employees with the support, training, and leadership needed to succeed. Blueline Security Services is a privately owned and insured security company founded and operated by active law enforcement professionals.
Arlington, VA30+ days ago
p>Security Officer 10004005 Arlington, VA Part-Time / Hourly Wage Opening on: Apr 17 2026 Add to favorites View favorites Department: Department of Police and Public Safety (Mason Police) Classification: GMU Worker Job Category: Part-Time / Hourly Wage Job Type: Part-Time Work Schedule: Days and Nights (20-25 hours/week); Call-Back Hours: Outside of normal working hours Location: Mason Square Campus (Arlington) Workplace Type: On Site Required Salary: $19.57 per hour / $39.14 per hour during call-back hours (outside of normal working hours) Criminal Background Check: Yes Financial Background Check: Yes Motor Vehicle Records Check: Yes About the Department: The George Mason University Department of Police and Public Safety (Mason Police) invites applications for the part-time position of Security Officer assigned Mason Square Campus in Arlington, Virginia. Required Qualifications: At least 18 years of age; U.S. citizen or legal resident; Possess a high-school diploma, GED, or equivalent; Successful completion of a thorough background check and fingerprinting; No felony convictions or convictions of misdemeanors involving crimes of moral turpitude or gross misconduct; Valid driver''s license: must currently possess an appropriate, active, valid motor vehicle operator's license that meets all of GMU's requirements for operating state vehicles and equipment under Mason's Vehicle Use Policy 1411 https://universitypolicy.gmu.edu/policies/vehicle-use/.
Herndon, Virginia30+ days ago
Responsibilities: We are seeking a highly skilled and innovative Program Security Manager/Facility Security Officer to join our team in the greater DMV area, supporting the Army National Guard. Peraton Overview:
Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy.
As a rapidly expanding multi-state operator with over 60 employees-and growing-we are committed to excellence, innovation, and client satisfaction. CLG & Associates, LLC prides itself on being a progressive, forward-thinking leader in the security industry.
Catonsville, Maryland17 days ago
All Applicants Must have a Maryland Driver's License with a Clean Driving Record to be approved by our Auto Insurance Provider, and an Active Maryland Guard Card in order to apply. Chesapeake Protective Services is accepting applications for On-Call Security Officers, both Armed and Unarmed.
Monitors entrances and exits; prevents unapproved or unlawful entry; controls entrances, the movement of people and vehicles, and parking; operates a gate and examines vehicle contents; monitors remote entrances using closed circuit television; operates remote access devices; in a calm manner directs persons who cause a disturbance to leave the property. A minimum of two (2) years of security (armed), or one (1) year of law enforcement experience with a full-service police municipal, state or federal enforcement department; or a minimum of two (2) years of honorable service as a member of any US Armed Forces.
Chantilly, VA30+ days ago
Monitors entrances and exits; prevents unapproved or unlawful entry; controls entrances, the movement of people and vehicles, and parking; operates a gate and examines vehicle contents; monitors remote entrances using closed circuit television; operates remote access devices; in a calm manner directs persons who cause a disturbance to leave the property. A minimum of two (2) years of security (armed), or one (1) year of law enforcement experience with a full-service police municipal, state or federal enforcement department; or a minimum of two (2) years of honorable service as a member of any US Armed Forces.
See required physical demands, mental components, visual activities & working conditions at the following link: Job Requirements. EMERGENT SITUATIONS: • Responds to all emergency calls for assistance to control: disorderly conduct or combative patients, potential and/or actual infant or child patient abductions, bomb threats or reports of suspicious packages, evacuation incidents, and/or chemical spills, for crowd control purposes.
Silver Spring, Maryland30+ days ago
p>A Signal Dedicated Guard will conduct static security services for courtyards, offices, pools, and other high value areas to ensure all required access points are properly secured and to ensure protection of property and residents with a high degree of attentiveness to details and safety. Communicate with the Dedicated Branch Supervisor to receive and disseminate information through Branch Supervisor Daily Scrum, such as the client needs and post order changes to ensure operational excellence and efficiency.
Washington, DC30+ days ago
Officer’s fingernails shall not extend more that ¼ inch from the tip of the finger or interfere in any ways in the performance of duty or with the safe drawing of issued equipment. PSO’s may find themselves working in a wide range of areas to include medical centers, government facilities, hospitality venues and public events.
p>We are seeking a highly skilled and innovative Program Security Manager/Facility Security Officer to join our team in the greater DMV area, supporting the Army National Guard. As the worlds leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies.
Washington D.C., District of Columbia4 days ago
With a team of highly trained and experienced professionals, we are committed to providing our clients with the highest level of protection and peace of mind. Position Overview:
We are seeking a highly motivated and reliable Security Officer to join our team at CC Services.
Signal provides dedicated security services for high-value areas including offices, courtyards, and hospitality sites. We value team members who exhibit our core values, meet established deadlines, and communicate effectively with supervisors and clients alike.
Arlington, VA30+ days ago
This position ensures information systems security compliance and manages security controls for DoD cloud migration projects while coordinating security accreditation activities and maintaining ongoing security posture. INFORMATION SYSTMES SECURITY OFFICER - CLOUD SECURITY SPECIALIST (NAUT): Bowhead seeks an Information Systems Security Officer (ISSO Cloud) to support our customer on the Nautical contract in the Arlington, VA area.
Silver Spring, MD30+ days ago
p>Soliel specializes in the design, development, implementation, operation, and management of enterprise Information Technology (IT) systems, such as enterprise Internet Protocol (IP) networks, software applications and services, cloud computing systems, network, and application and storage hosting environments in data centers. Develop, schedule, and conduct role-based training for NOAA Information System Security Officers (ISSO), Information Technology Security Officers (ITSO), and System Owners (SO) on topics including CSAM usage, RMF processes, Cloud security, and Contingency Planning.
Arlington, Virginia11 days ago
p/>Public Safety Officer (Safety/Security Officer III), once trained, equipped, and authorized, will be required to effectively and proactively handle situations that may involve acts of violence necessitating a higher level of security and protective response, which may involve the use of physical force and/or defensive weapons up to, and including, deadly force. Public Safety Officer (Safety/Security Officer III) will be required to be physically fit; have the ability to stand and/or walk up to 12 hours per shift; be physically able to respond quickly and appropriately to emergency situations; and be able to use physical force to defend themselves or others, or to detain persons for arrest.
p>Public Safety Officer (Safety/Security Officer III), once trained, equipped, and authorized, will be required to effectively and proactively handle situations that may involve acts of violence necessitating a higher level of security and protective response, which may involve the use of physical force and/or defensive weapons up to, and including, deadly force. Public Safety Officer (Safety/Security Officer III) will be required to be physically fit; have the ability to stand and/or walk up to 12 hours per shift; be physically able to respond quickly and appropriately to emergency situations; and be able to use physical force to defend themselves or others, or to detain persons for arrest.
Washington, DC18 days ago
2. Monitors entrances and exits; prevents unapproved or unlawful entry; controls entrances, the movement of people and vehicles, and parking; operates a gate and examines vehicle contents; monitors remote entrances using closed circuit television; operates remote access devices; in a calm manner directs persons who cause a disturbance to leave the property. Responds to incidents of fire, medical emergency, bomb threat, flooding, water discharge, elevator emergency, hazardous materials, inclement weather, and other incidents or conditions following procedures established for post, by the company, or through training or certification.
Washington, DC17 days ago
The primary function is working within Special Access Programs (SAPs) supporting Department of Defense (DoD) agencies, such as HQ Air Force, Office of the Secretary of Defense (OSD) and Military Compartments efforts. (SSS) assists the AF cognizant security authority in oversight of enhanced National Security Objectives supporting AF SAP interests through active and integrated security operations, processes, mechanisms, and management.
Washington, DC17 days ago
The Air Force (AF) Special Access Program (SAP) Security Support Services (SSS) assists the AF cognizant security authority in oversight of enhanced National Security Objectives supporting AF SAP interests through active and integrated security operations, processes, mechanisms, and management. The primary function is working within Special Access Programs (SAPs) supporting Department of Defense (DoD) agencies, such as HQ Air Force, Office of the Secretary of Defense (OSD) and Military Compartments efforts.
Washington, District of Columbia30+ days ago
div>Job Summary
We are seeking a reliable and professional Unarmed Security Officer to join our team at a residential community.
The officer will be responsible for monitoring the property, managing building access, conducting patrols, and maintaining a visible security presence.
Washington, DC30+ days ago
Currently hiring Unarmed Security Officer for upscale apartment building/retail community in Washington DC.This is a full-time roving position for approx. The ideal candidate has experience with public safety and security and operates with a high degree of integrity at all times.
Washington, DC30+ days ago
The ideal candidate has experience with public safety and security and operates with a high degree of integrity at all times. Must be able to stand, and walk in varied weather conditions, including heat, cold, and rain during exterior patrols.
p>Position Summary: A security officer's responsibilities include carrying out unarmed foot and/or vehicle patrols (inside and/or outside), managing access and egress, monitoring CCTV and alarm systems, producing reports, stopping misconduct and criminal activity, and performing other tasks as outlined in post orders.
You will conduct the following responsibilities upholding DMAC, A Tarian Company's commitment to safety and security while supporting the values and culture of the client and community:
- Armed Security Officers are responsible for maintaining security and safety throughout the organization - and serve as a visible deterrent to illegal activities.
Washington, DC14 days ago
At PalAmerican Security, our CARE Culture is the cornerstone of our people-first approach and is embodied in every interaction: Curious – We embrace continuous learning and encourage team members to seek opportunities for growth and innovation. With our depth of knowledge, our focus on innovation and our never-ending desire for self-improvement, PalAmerican is your best choice when looking for a dedicated security partner committed to exceeding your highest expectations.
Today, we service hundreds of locations nationally, provide security coverage to millions of square feet of public and private facilities, and are one of the top 10 largest security companies in the United States. Must be able to pass a background check and drug screen (we test for the following Amphetamines, including methamphetamines, Cocaine, Marijuana/THC, Phencyclidine and Opiates).
p>Position Overview: This position is located at a fast-paced bowling and entertainment facility that requires strong customer service skills, situational awareness, and the ability to maintain a safe and secure environment for guests and staff.
Qualified candidates must be comfortable conducting bag checks, interacting with the public, enforcing venue policies, and working a standing post in a fast-paced environment.
On this program, CACI will deliver enhanced capabilities and services to implement and operate an enterprise ITSM solution, enterprise service desk, endpoint management and security solution, as well as CONUS/OCONUS field support and life cycle support for end user devices to enable the DoD customer to transition focus from IT operations to mission operations. The Opportunity:
CACI is looking for an Information System Security Officer (ISSO) to support our DoD customer to implement an enterprise IT service delivery model that provides consistent, secure, high-quality, and cost-effective services to enable mission success and improve end user experience across the customer environment.