173 Results for

Online Security Jobs in Columbia, MD

Jobs

New!

Herndon, VA1 day ago

$21–$21

If your schedule and availability are flexible, and 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. The Multi-Site Security Officer position you will be monitoring and patrolling different client sites on a variety of schedules.

New!

McLean, VA1 day ago

$17–$22

About Securitas USA: With over 640 local branch managers and approximately 86,000 security officers, Securitas provides unmatched security solutions to meet the specific needs of thousands of businesses. Our service offerings include specialized guarding, mobile guarding, remote guarding, and corporate risk management.

New!

McLean, VA1 day ago

$21–$21

Security Officers/Security Guards observes and reports activities and incidents at an assigned client site, providing for the security and safety of client property and personnel. The Security Officer position helps maintain a safe and secure environment for our clients by actively monitoring the premises, including patrolling a variety of locations.

New!

Arlington, VA1 day ago

$22–$22

The 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.

McLean, VA30+ days ago

$70–$75 Per Hour
Contractor

Working knowledge of networking, (routing, DNS, common ports, protocols, and firewalls) Needs to be organized and have the capability to multitask by working multiple problems, tasks and still seeing tasks through to closure working with all type of endpoint technologies. Familiar with industry security regulations and frameworks (MITRE Attack Framework, NIST, CIS CSC, etc.) General understanding of key IT components – Secure LDAP, Networking, firewall, load balancing, Federated Identity.

New!

Baltimore, Maryland6 days ago

Position Summary: As a Security Officer, your duties encompass conducting unarmed patrols both indoors and outdoors, managing access points, supervising CCTV and alarm systems, preparing reports, discouraging criminal behavior, and fulfilling other responsibilities as outlined in directives. While 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.

Washington, Washington, DC27 days ago

Fairfax, Virginia19 days ago

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/. 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.

Fairfax, Virginia13 days ago

Post-quantum cryptography and quantum-secure systems engineering; Secure and trustworthy AI/ML systems; Quantum communications and quantum network security; Hardware trust, supply-chain assurance, and secure heterogeneous computing (including post-quantum/quantum accelerators); Resilient cyber-physical systems and critical infrastructure in the AI/quantum era; Quantum-cyber threat modeling and adversarial vulnerability in quantum/cryptographic systems; Next-generation wireless/edge/IoT security (5G/6G/AI/quantum integration); Cybersecurity for emerging computing paradigms (neuromorphic, bio-cyber systems, quantum/hybrid computing); Preference will also be given to candidates whose work complements and amplifies the CYSE Department's existing strengths in wireless/5G security, digital forensics, AI, and cyber-physical systems; and. Applicants must have received a PhD in Cyber Security, Engineering, Computer Science or a related field by the start date of the position; Should have demonstrated potential for excellence and productivity in research, academic service, and a commitment to high-quality teaching; Qualified candidates should demonstrate excellence in research (track record or strong potential) and teaching; Committed to interdisciplinary collaboration (across hardware, communications, control systems, AI, quantum technologies); and.

New!

Reston, VA3 days ago

Strong understanding of network technologies, protocols, systems and equipment to include one or more of the following: SONET/SDH, OTN, MSAN, MSPP, MPLS/IP-MPLS, VoIP, IP Multimedia Services (IMS), DWDM, ROADM, Software Defined Networks (SDN) WAN and LAN, multi fabric networks, mesh networks, Session Border Controllers, fabric management, radio access network, front haul, back haul, BGP, OSPF, ISIS, SIP, 5G/LT/LAN interworking, VoLTE, SRVCC, DRVCC, ETSI MANO, OSS/BSS. Duties: This Network Analyst performs the following core functions: Coordinate with the customer's other multidisciplinary teams to provide timely and accurate network analysis regarding the logical and physical routes of key telecommunications networks within a designated area.

Gaithersburg, MD19 days ago

One of the most-trusted Integrated Security providers in the DMV is experiencing strong growth in the DC market in 2026 and has an opening for a Senior Service Technician to lead execution on new and existing work! This organization has been providing elite solutions for its customers for over 30 years, and believes the strength lies with its people!

New!

Washington, Washington, DC5 days ago

Baltimore , Maryland28 days ago

$75,520–$113,280 Per Year

As 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. We design, build, operate, and maintain cyber-physical solutions for the nation’s most mission-critical facilities, secure environments, complex infrastructure, and global enterprises.

New!

Tysons , Virginia4 days ago

As 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. Responsibilities: A Data Center Security Installation Project Manager is responsible for assisting with the overall administration, organization, and implementation of large data center electronic security installation projects.

Tysons , Virginia28 days ago

New!

Tysons , Virginia4 days ago

As 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. Develop budgets for projects; assist in the preparation of technical proposals, to include assisting in the design and writing of the scope of work, management plans, work sequence, safety, quality control and commissioning.

District of Columbia, Washington, DC30+ days ago

$104,240–$156,360 Per Year

As part of the SES Strategic Business Unit, you will be part of a team that designs, engineers, integrates, operates and maintains electronic security services to include 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. Research, prototype, and develop emerging technologies by working closely with industry partners and OEMs to implement the latest and best-in-bread capabilities to meet the customers’ emerging needs.

New!

Arlington, VA3 days ago

$151,500–$155,000 Per Year

Primary support will be working within Special Access Programs (SAPs) supporting Department of Defense (DoD) agencies, such as HQ Air Force, Office of the Secretary of Defense, and Military Compartment efforts. Performance shall include: Perform oversight of the development, implementation and evaluation of information system security program policy; special emphasis placed upon integration of existing SAP network infrastructures.

New!

Fort Meade, MD6 days ago

Perform certification assessments for assigned programs to include review of change requests; review of ports, protocols, and services; whitelist requests; self-assessments results; statements of compliance; scan and STIG reviews; systems security plans; cybersecurity control evidence and artifacts; and on-site review results. Semper Valens Solutions, Inc. (SVS) is a Service-Disabled Veteran Owned Small Business (SDVOSB) providing Cost Effective Software and Systems Engineering, Field Support, Training and Full Life cycle Support Management to the DOD and VA community.

Vienna, VA26 days ago

$57,750–$73,500 Per Year

This may include drafting funding memos (allocations, allotments, apportionments, reclassifications, congressional notifications, etc.), tracking obligation and expenditure data, providing data for briefings and Congressional reports, drafting documents to obligate funds, coordinating within PM and U.S. Department of State regional bureaus and the Department of War, and other regional or functional bureaus as needed on the obligation, expenditure and management of account programs, and other documents necessary to the effective management of their portfolio. Coordinators shall be responsible for reviewing and coordinating various funding case development documents (LOR, LOA, etc.), tracking security assistance expenditure data, providing data for congressional briefs and reports, coordinating within PM, other State bureaus, and the Department of War) on the obligation, expenditure and management of the security assistance programs, and other documents necessary to the effective management of the security assistance accounts.

Vienna, VA26 days ago

$110,000–$128,000 Per Year

Regular hours for the positions will be the regular hours for the Washington, DC metropolitan area, 8:15 am – 5:00 pm EST; however, positions may be permitted to work alternative work schedules (AWS) as needed and approved, while adhering to the PM Bureau’s core hours, currently 10:00 am to 3:00 pm, and in-person requirements for PM/SA. IBTCI specializes in monitoring, evaluation, research, and learning (MERL) and institutional support across many areas and sectors including, but not limited to, conflict and crisis, democracy and governance, agriculture, economic growth, food security, education, environment, and global health.

Vienna, VA26 days ago

$110,000–$140,000 Per Year

Washington, DC, Washington, DC7 days ago

Process daily requirements in eMASS to include POA&Ms, IAVAs, Control Test Results (Control Correlation Identifiers [CCIs]), Categorization forms, PPSMs, SAPs, SLCMs and Inheritance updates. Experience with DoD processes and procedures, U.S. Navy surface ship systems, AWS/ Azure Government cloud implementation, IATO/ATO testing, documentation preferred.

New!

Bethesda, Maryland3 days ago

Mclean, VA11 days ago

Officers must be warm and approachable while staying vigilant—greeting and acknowledging visitors, customers, top clients, and executives, maintaining eye contact, and staying aware of all entrances and surroundings. The Site Supervisor provides operational support for the account to include scheduling, payroll, compliance, post order development, performance metrics tracking, training, employee recognition and inspections.

New!

Baltimore, Maryland6 days ago

Although this role is primarily Welcome- and Security-focused, the analyst will collaborate closely with the broader Patient Experience team and may contribute to initiatives, cross-coverage, and optimization efforts across all Epic patient-facing applications including MyChart, Cheers, Hello World, and Cadence. This role focuses on optimizing end‑to‑end digital patient journeys through system configuration, integrations, and workflow automation, delivering an improved user experience and measurable efficiency gains that support modern, patient‑centered healthcare delivery.

Mclean, VA17 days ago

Officers must be warm and approachable while staying vigilant—greeting and acknowledging visitors, customers, top clients, and executives, maintaining eye contact, and staying aware of all entrances and surroundings. As a Security Officer – Tactical, physical ability is essential as you will be moving around your entire shift, patrolling environments such as retail stores, airports, detention centers, etc.

Sterling, Virginia10 days ago

Join Allied Universal at a dynamic technology location where you will monitor and patrol assigned areas, maintain a visible presence to help reduce security-related incidents, and deliver outstanding customer service and communication. Provide customer service to personnel, visitors, and/or vendors by carrying out site-specific procedures, access support, and when appropriate, emergency response activities at a technology-focused location.

Arlington, Virginia10 days ago

Join Allied Universal as an Unarmed Patrol Officer at a professional commercial real estate location, where you will monitor assigned areas, conduct routine patrols, and remain visible to help deter security-related incidents. Conduct regular and random patrols throughout building common areas, entrances, parking areas, and perimeter locations to help to deter unwanted activity and identify security-related concerns.

Reston, Virginia17 days ago

Join Allied Universal as an Unarmed Patrol Officer at a commercial real estate location, where you will conduct routine patrols, maintain a visible presence to help deter security-related incidents, and deliver outstanding customer service. Provide customer service to tenants, visitors, and/or staff by carrying out security-related procedures, site-specific policies, and/or appropriate emergency response activities at a commercial real estate location.

New!

Glen Burnie, Maryland4 days ago

Join Allied Universal as an unarmed patrol officer at a busy retail location, where you will monitor assigned areas, conduct routine patrols, and remain visible to help deter security-related incidents. Conduct regular and random patrols throughout the retail location, including sales floor areas, entrances, exits, parking areas, and perimeter locations, to help identify unusual activity and/or policy concerns.

Arlington, Virginia12 days ago

Join Allied Universal as an Armed Security Officer at a dynamic aerospace and defense 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. Support restricted area protection by observing sensitive locations, maintaining awareness of operational activity, and following post orders related to weapons handling, reporting, and incident response.

Sterling, Virginia28 days ago

Join Allied Universal as an Unarmed Patrol Officer at a dynamic food and beverage location, where you will monitor and patrol assigned areas, maintain a visible presence to help deter security-related incidents, and support access awareness throughout the site. Provide customer service to visitors, employees, and/or vendors by carrying out site-specific procedures, access protocols, and when appropriate, emergency response activities.

New!

Annapolis Junction, Maryland6 days ago

Join Allied Universal as an Unarmed Patrol Officer at a busy logistics and distribution location, where you will conduct routine patrols, maintain a visible presence to help deter security-related incidents, and support daily operations through strong customer service and communication. Provide customer service to employees, visitors, and/or drivers by carrying out security-related procedures, site-specific policies, and when appropriate, emergency response activities at a logistics and distribution location.

Herndon, Virginia21 days ago

Able to obtain a Department of Defense (DoD) position appropriate level security clearance (national security eligibility determinations take into account a person's stability, trustworthiness, reliability, discretion, character, honesty, and judgment). As a Cleared Security Officer, you'll receive specialized training in site-specific security protocols associated with your clearance level, allowing for skill development and professional growth in the security field.

Vienna, Virginia13 days ago

As a Security Officer Enhanced Part Time Patrol Shift in Vienna, VA, 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.

New!

Gaithersburg, Maryland6 days ago

Overview: Company Overview: Allied Universal®, North America’s leading security and facility services company, offers rewarding careers that provide you a sense of purpose. The Shift Supervisor performs general security duties as directed in the protection of persons and property and the enforcement of all applicable policies, rules, and regulations, as specified in post orders, and will deter criminal activity and misconduct.

Herndon, Virginia20 days ago

Join Allied Universal at a dynamic tech location where you will monitor and patrol assigned areas, remain visible to help discourage security-related incidents, and deliver outstanding customer service and communication. Support day-to-day operations by completing incident reports, maintaining awareness of changing site conditions, and communicating clearly with employees, visitors, and/or first responders when appropriate.

Washington, Washington, DC19 days ago

$35–$50 Per Hour

Responsible for the connection of control panels, application requirements, wire concealment, and security software installationInstall, program and configure commercial electronic security systems for enterprise commercial clients (door access control, CCTV, intrusion detection, low voltage communication, electronic locks, point sensors, signaling devices, ect.). Must possess a valid driver’s license with at least one year of driving experience, a clean driving record (no major violations within the last 36 months, no more than 1 accident in last 24 months, no more than one minor moving violation in last 24 months), a minimum level of insurance as required by company policy, and the ability to safely operate a vehicle.

New!

Reston, Virginia6 days ago

Join Allied Universal as an Unarmed Patrol Officer in an aero and defense location, where you will conduct routine patrols, maintain a visible presence, and help to deter security-related incidents. Support site operations by observing sensitive areas, following post orders, and preparing accurate logs, reports, and incident documentation before, during, and after patrol activities.

Fairfax, Virginia11 days ago

Join Allied Universal in a healthcare location where you will conduct routine patrols, remain visible to help deter security-related incidents, and support patients, visitors, and staff through strong customer service and communication. Support day-to-day operations by maintaining a visible presence, completing assigned reports, and communicating clearly with staff, patients, visitors, and/or first responders during routine and unusual events.

Falls Church, Virginia12 days ago

Join Allied Universal as an unarmed patrol officer in a healthcare location, where you will conduct routine patrols, remain visible to help discourage security-related incidents, and support patients, visitors, and staff with exceptional customer service and communication. Document incidents, observations, and daily activities in required reports, and communicate clearly with staff, visitors, and Allied Universal leadership regarding security-related concerns.

Rockville, Maryland10 days ago

Join Allied Universal at a dynamic research-focused location where you will monitor and patrol assigned areas, stay visible to help to deter security-related incidents, and support daily operations with strong customer service and communication. Overview: Allied Universal®, North America’s leading security and facility services company, offers rewarding careers that provide you a sense of purpose.

New!

Washington, Washington, DC3 days ago

The Armed Security Officer will help ensure the safety of customer personnel, visitors, and property by deterring threats, enforcing procedures, and responding to emergencies with professionalism and strict adherence to security protocols. Overview: Company Overview: Allied Universal®, North America’s leading security and facility services company, offers rewarding careers that provide you a sense of purpose.

New!

Reston, Virginia3 days ago

Join Allied Universal as an Unarmed Patrol Officer at a professional commercial real estate location, where you will monitor and patrol assigned areas, maintain a visible presence to help to deter security-related incidents, and support tenants and visitors with outstanding customer service and communication. Conduct regular and random foot and/or vehicle patrols throughout office buildings, common areas, parking areas, and perimeter locations to help to deter unwanted activity and report unusual conditions.

New!

Mc Lean, Virginia4 days ago

Join Allied Universal at a luxury retail location where you will serve as the first point of contact at the front desk, welcoming visitors, managing access, and supporting security-related operations with professionalism and care. Answer phones, greet incoming guests, maintain visitor logs, and complete required reports related to security-related events, concerns, and/or unusual activity.

Sykesville, Maryland21 days ago

As a Security Professional Flex Officer, you’ll use our exclusive shift-pickup platform to view and claim open shifts based on your availability - giving you the freedom to build a schedule that works for you, while gaining valuable site experience across various industries. Overview: Company Overview: Allied Universal®, North America’s leading security and facility services company, offers rewarding careers that provide you a sense of purpose.

Owings Mills, Maryland10 days ago

Provide customer service by carrying out site-specific access control procedures, visitor screening protocols, and/or security-related response activities at a financial services location. Join Allied Universal at a premier financial institution location, where you will help manage access control, monitor entry activity, verify credentials, and support a professional, welcoming environment.

Reston, Virginia11 days ago

Join Allied Universal as an Armed Patrol Officer in a healthcare location, where you will monitor and patrol assigned areas, maintain a visible presence to help deter security-related incidents, and support staff, patients, and visitors with outstanding customer service and communication. Conduct regular and random patrols throughout buildings, parking areas, and perimeter locations, helping to identify unusual activity, hazards, and/or policy violations and reporting observations to the appropriate personnel.

Arlington, Virginia17 days ago

Join Allied Universal as an Unarmed Patrol Officer at a dynamic technology-focused location, where you will conduct routine patrols, remain visible to help deter security-related incidents, and deliver outstanding customer service and communication. Provide customer service to site personnel, visitors, and/or vendors while carrying out security-related procedures, location-specific policies, and when appropriate, emergency response activities.

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Online Security Jobs in Columbia, MD

Multi-Site Security Officer Securitas

Open Interviews for Entry Level Security Officers - Offers on the Spot! Securitas

Corporate Security Officer (FM) Securitas

Multi‑Site Armed Security Officer Securitas

Security Engineer Specialist Pyramid, Inc

DMAC - Commercial Security Officer (Unarmed) Tarian

Director of Safety and Security (Job ID: 2026-3848) The Brookings Institution

Security Officer George Mason University

Open-Rank, Tenured/Tenure-Track Cyber Security Engineering Faculty George Mason University

Network Analyst - Active Security Clearance Cadre

Electronic Security Service Technician WilsonHCG

Security Manager w/TS/SCI TekSynap

PCD/TOC Security Systems Application Specialist (System Administrator 1)- Baltimore, MD M.C. Dean, Inc

Data Center Security Installation Project Manager (Project Leader 1) - Tysons, VA M.C. Dean, Inc

PCD/TOC Security Systems Application Specialist (System Administrator 1)- Tysons, VA M.C. Dean, Inc

Estimator for Data Center Security Installation Work (Estimator 2)- Tysons, VA M.C. Dean, Inc

Security Systems Engineer 3 - Washington, DC M.C. Dean, Inc

Information System Security Manager (ISSM) II Amatriot Group, LLC

Information Systems Security Officer Semper Valens Solutions

Security Assistance Coordinator (Junior Level) Integrated Business & Technical Consultants

Security Assistance Financial Analyst Integrated Business & Technical Consultants

Security Assistance Coordinator (Mid-Level) Integrated Business & Technical Consultants

Cyber Security Analyst R&P Technologies, LLC

Senior Security Engineer NetImpact Strategies

Security Site Supervisor Gardaworld

SYSTEMS ANALYST I - CERT (Certified in Epic Welcome or Security) Mercy Medical Center

Armed Security Officer- Flex Gardaworld

Security Officer - Full Time Allied Universal

Security Guard Unarmed Patrol Clearance Required Allied Universal

Security Officer Allied Universal

Security Officer Driving Role Area Patrol Allied Universal

Security Officer Armed Clearance Required Patrol Allied Universal

Security Officer - Unarmed Patrol Support Part Time Allied Universal

Security Officer Unarmed Roving Patrol Allied Universal

Security Officer - Cleared (Clearance Eligible) Allied Universal

Security Officer Enhanced Part Time Allied Universal

Security Shift Supervisor - Government Building Allied Universal

Security Officer - Unarmed Tablet Assisted Patrol Allied Universal

Security Installation Technician III Allied Universal

Security Officer Patrol Detail with Active Clearance Allied Universal

Security Officer - Armed Area Patrol Full Time Allied Universal

Security Officer - Patrol Documentation Full Time Allied Universal

Security Officer Patrol Driver Detail Allied Universal

Federal Protective Services Armed Security Officer - DCSW Allied Universal

Security -Guard Overnight Allied Universal

Security Officer - Welcome Desk Full Time Allied Universal

Security Officer - Government Clearance Required Allied Universal

Security Officer Access Control Representative Allied Universal

Security Officer - Armed Patrol Part Time Allied Universal

Security Officer Roving - DoD Secret Clearance Allied Universal

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