133 Results for

Online Security Jobs in Linthicum, MD

Jobs

Annapolis, MARYLAND30+ days ago

This localized opening gives candidates in Annapolis a simple way to take part in paid research sessions while helping companies understand real consumer opinions. This Annapolis, MD posting keeps the job meaning consistent with the broader AFG research participant role while expanding visibility into additional local markets.

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!

Gaithersburg, MD2 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, DCToday

The Security Manager leads IT security and ISSO support and assists the Domestic Information System Security Officer in managing risk for SBU workstations, Secret classified operating environments, and CCS/consolidated bureau systems. “Technology moving at the speed of thought” embodies these principles – the need to nimbly utilize the best that information technology offers to meet the business needs of our Federal Government customers.

Washington, Washington, DC30+ days ago

$120,000–$155,000 Per Year

Technology moving at the speed of thought” embodies these principles – the need to nimbly utilize the best that information technology offers to meet the business needs of our Federal Government customers. Additional Job Information: TekSynap is a fast growing high-tech company that understands both the pace of technology today and the need to have a comprehensive well planned information management environment.

Washington, Washington, DC30 days ago

Baltimore, Maryland9 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, DC30+ days ago

Full-time

Ancillary benefits including Basic Life and Accidental Death and Dismemberment (AD&D) Insurance, Voluntary Life and AD&D Insurance, Short-Term Disability Insurance, Long-Term Disability Insurance, Voluntary Accident Insurance, Voluntary Critical Illness Insurance, and Voluntary Hospital Indemnity Insurance. Founded over ten years ago by a Delta Force Sergeant Major and an Army Special Forces Colonel, we are a values-based organization focusing on a camaraderie, service, and excellence culture.

Washington, DC30+ days ago

Ocean Bay, a subsidiary of Three Saints Bay, LLC, and a Federal Government Contractor industry leader, is seeking a Lead Security Support Specialist in Washington, D.C. Position Requirements: Apply online at:https://phg.tbe.taleo.net/phg01/ats/careers/v2/viewRequisition?org=GATEWAYVENT&cws=46&rid=5412.

Belcamp, MD30+ days ago

1) Serve as control point for all security documents (2) Provide ACR/Visitor control support to designated facilities (3) Monitor and evaluate C5ISR HQ and subordinate directorates for OPSEC, INFOSEC, and overall security posture (4) Support functions pertaining to physical security involving restricted areas. Semper Valens Solutions, Inc. 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 community.

Belcamp, MD30+ days ago

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. At Semper Valens, our vision is to remain a creative, cutting edge and cost-effective solutions provider where our shared intellect, industry experience, and technology excellence, make a positive difference in our customer's success.

Owings Mills, MD30+ days ago

Full-time

As a premier global asset management organization with more than 85 years of experience, we provide investment solutions and a broad range of equity, fixed income, and multi-asset capabilities to individuals, advisors, institutions, and retirement plan sponsors. This role is ideal for a security engineer who combines strong technical depth with sound judgment, operational discipline, and the ability to translate business and regulatory requirements into effective, scalable controls.

New!

Bethesda, Maryland6 days ago

Baltimore , Maryland30+ 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.

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.

Linthicum Heights, Maryland30+ days ago

$121,000–$191,000 Per Year

Washington, DC, Washington, DC10 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.

Mclean, VA14 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.

Annapolis Junction, MD30+ days ago

Full-time

Bachelor’s degree in System Engineering, Computer Science, Information Systems, Engineering Science, Engineering Management, or related discipline from an accredited college or university is required and (10 - 14) years experience as an ISSE / ISSO on programs and contracts of similar scope, type, and complexity within the Federal Government is required. If you are looking to join a company that provides amazing benefits, a healthy work-life balance, competitive salaries, and talented subject matter experts, consider joining our team!

Baltimore, Maryland9 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, VA20 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.

Bethesda, MD30+ 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.

Arlington, Virginia20 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.

Arlington, Virginia21 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 exceptional customer service and communication. Provide customer service to tenants, visitors, and/or staff by carrying out security-related procedures, site-specific policies, and when appropriate, emergency response activities at a commercial real estate location.

McLean, Virginia16 days ago

Join Allied Universal as a Dispatch professional at a dynamic technology-focused location, where you will monitor communication systems, coordinate incident response, and support security-related operations through clear communication and quick decision-making. In this fast-paced role, you will help maintain site awareness, support teams across the location, and deliver a people-first experience grounded in teamwork, integrity, and an agile, reliable, innovative approach.

McLean, Virginia21 days ago

Join Allied Universal at a dynamic tech and communications location where you will monitor assigned areas, conduct routine patrols, and remain visible to help discourage security-related incidents. As a Security Officer with Active Clearance Driver Patrol in Mc Lean, VA, you will serve and safeguard clients in a range of industries such as Tech/Media/Telecom, and more.

Washington D.C., District of Columbia23 days ago

Join Allied Universal as an Unarmed Patrol Officer at a professional location where you will monitor assigned areas, conduct routine patrols, and remain visible to help discourage security-related incidents. In this role, you will support a welcoming environment through strong communication, customer service, and teamwork while reflecting our values of agility, reliability, innovation, and integrity every day.

West Falls Church, Virginia23 days ago

Join Allied Universal as an unarmed patrol officer in a healthcare location, where you will conduct routine patrols, remain visible to help to deter security-related incidents, and support patients, visitors, and staff with outstanding customer service and communication. Provide customer service to staff, patients, and visitors by carrying out site-specific procedures, access-related protocols, and/or emergency response activities appropriate for a healthcare location.

Washington D.C., District of Columbia10 days ago

$32–$50 Per Hour

Must possess a valid Driver's License with at least one year of driving experience, a clean driving record (no major violations within 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 company issued vehicle . RESPONSIBILITIES: Install, program and configure electronic security systems for commercial clients, including, door access control, CCTV, intrusion detection, low voltage communication, electronic locks, point sensors, signaling devices, and other security systems.

Arlington, Virginia30+ days ago

Provide customer service to personnel and visitors by carrying out security-related procedures, site-specific policies, and/or appropriate emergency response activities at an aerospace and defense location. Conduct regular and random patrols throughout buildings, controlled areas, and perimeter locations to help identify suspicious activity, access concerns, and/or facility issues.

Arlington, Virginia23 days ago

Join Allied Universal at a dynamic tech location where you will monitor and patrol assigned areas, support access activity, and help to deter security-related incidents through a visible presence and strong communication. Respond to incidents, unusual activity, and critical situations in a calm, problem-solving manner, documenting details and communicating with site contacts and/or emergency personnel as needed.

Washington D.C., District of Columbia21 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!

Sparrows Point, Maryland1 day ago

Join Allied Universal as an Unarmed Patrol Officer at a dynamic tech location, where you will conduct routine patrols, monitor assigned areas, and remain visible to help discourage security-related incidents. Support day-to-day site operations by completing reports, maintaining awareness of operational changes, and following post orders related to deliveries, employee movement, and/or after-hours activity.

New!

Arlington, Virginia2 days ago

Join Allied Universal at a dynamic tech location where you will monitor and patrol assigned areas, stay visible to help discourage security-related incidents, and deliver outstanding customer service and communication. 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 corporate technology location.

Arlington, Virginia13 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.

New!

Washington D.C., District of Columbia2 days ago

Join Allied Universal as an Unarmed Patrol Officer at a dynamic financial institution location, where you will monitor and patrol assigned areas, stay visible to help deter security-related incidents, and deliver outstanding customer service and communication. Support a professional presence at a financial services location by observing day-to-day operations, communicating clearly with staff and visitors, and following post orders for assigned duties.

McLean, Virginia10 days ago

Join Allied Universal as an unarmed patrol officer at a dynamic tech and telecom location, where you will conduct routine patrols, maintain a visible presence to help to deter security-related incidents, and deliver outstanding customer service and communication. 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 technology-focused location.

New!

Annapolis Junction, Maryland2 days ago

Join Allied Universal as an Unarmed Patrol Officer at a dynamic aero and defense location, where you will conduct routine patrols, maintain a visible presence to help deter security-related incidents, and deliver outstanding customer service and communication. Conduct regular and random patrols of buildings, production areas, parking lots, and perimeter locations to help to deter unauthorized activity and identify potential concerns.

Severn, Maryland15 days ago

Must possess 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.

New!

Arlington, Virginia6 days ago

Join Allied Universal as an unarmed patrol officer at a dynamic tech and communications location, where you will conduct routine patrols, stay highly visible to help to deter security-related incidents, and deliver outstanding customer service and communication. Respond to incidents, unusual activity, and critical situations in a calm, problem-solving manner, documenting details and communicating with site contacts and/or emergency personnel as needed.

Annapolis Junction, Maryland9 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.

New!

Potomac, Maryland2 days ago

Join Allied Universal as an Unarmed Patrol Officer at a hotel and resort 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 lobbies, corridors, entrances, parking areas, event spaces, and perimeter areas to help identify unusual activity and/or conditions that may need attention.

New!

Arlington, Virginia2 days ago

Provide customer service to employees, visitors, and/or vendors by carrying out security-related procedures, site-specific policies, and when appropriate, emergency response activities within a corporate technology location. Join Allied Universal in a dynamic tech location where you will monitor and patrol assigned areas, perform routine patrols, and remain visible to help deter security-related incidents.

New!

Washington D.C., District of Columbia1 day ago

Join Allied Universal as an Unarmed Patrol Officer at a dynamic financial institution location, where you will conduct routine patrols, maintain a visible presence that helps to discourage security-related incidents, and deliver outstanding customer service and communication. Assist with emergency response activities, alarms, and requests for assistance while maintaining clear communication with site contacts and/or local responders.

New!

Baltimore, Maryland2 days ago

Driving Positions: must possess a valid Driver's License with at least one year of driving experience, a clean driving record (no major violations within 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 required. Must possess effective written and oral communication and interpersonal skills with ability to deal with all levels of personnel and the general public in a professional and effective manner; must be able to use initiative and independent judgment within established guidelines.

Baltimore, Maryland22 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.

New!

Hunt Valley, Maryland6 days ago

Join Allied Universal at a dynamic food and beverage location, where you will monitor and patrol assigned areas, complete routine rounds, and provide exceptional customer service and communication. While working in a dynamic, welcoming, and collaborative workplace, you will be part of a team that contributes to a culture that positively impacts the communities and customers we serve.

New!

McLean, Virginia6 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.

New!

Hampstead, Maryland2 days ago

As a Security Officer Part Time Patrol Relief in Hampstead, MD, 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!

Sparrows Point, Maryland1 day ago

Join Allied Universal as an unarmed patrol officer at a busy logistics and distribution location, where you will monitor assigned areas, conduct routine patrols, remain visible to help deter security-related incidents, and deliver outstanding customer service and communication. Monitor entry and exit activity for employees, visitors, and deliveries, verifying credentials, following post orders, and communicating with site contacts regarding security-related concerns.

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Online Security Jobs in Linthicum, MD

Paid Online Research Participant AFG

Security Engineer Specialist Pyramid, Inc

Electronic Security Service Technician WilsonHCG

Security Manager w/TS/SCI TekSynap

Security Engineer TekSynap

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

DMAC - Commercial Security Officer (Unarmed) Tarian

Residential Security Agent Global Guardian

Lead Security Support Specialist (5412) Three Saints Bay

Physical Security Specialist Semper Valens Solutions

Information Security Engineer, Senior Semper Valens Solutions

Senior Data Security Engineer T. Rowe Price

Senior Security Engineer NetImpact Strategies

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

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

Senior Information Systems Security Engineer Viasat, Inc.

Cyber Security Analyst R&P Technologies, LLC

Security Site Supervisor Gardaworld

Information Systems Security Engineer Peterson Technologies

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

Armed Security Officer- Flex Gardaworld

Maryland Armed Security Officer Whelan Security

Security Officer Roving - DoD Secret Clearance Allied Universal

Security Officer - DoD Secret Clearance required Allied Universal

Security Officer DoD Secret Clearance require Allied Universal

Security Officer with Active Clearance Allied Universal

Security Officer Spanish Allied Universal

Security Officer - HS Diploma Required Allied Universal

Security Installation Technician II Allied Universal

Security Officer Allied Universal

Security Officer Patrol - PT Allied Universal

Security Installation Technician III Allied Universal

Security Officer Warehouse Building Patrol Allied Universal

Security Guard - Friday and Saturday Allied Universal

Security Guard Unarmed Patrol Clearance Required Allied Universal

Security Officer State Licensed Patrol Allied Universal

Security Officer -Secret Clearance Temporary Post Allied Universal

Security Officer Clearance Required Patrol Unit Allied Universal

Security Officer - Clearance Required Allied Universal

Security Officer Weekends Morning Shift Allied Universal

Security Officer Unarmed Roving Patrol Allied Universal

Security Officer Driving Patrol Duty Allied Universal

Security Officer - Part Time Weekends Allied Universal

Security Officer Monitor Mornings Allied Universal

Security Shift Supervisor - Municipal Property Allied Universal

Security Officer - DOD Cleared Allied Universal

Security Officer Patrol Driver Associate Allied Universal

Security Officer - Welcome Desk Full Time Allied Universal

Security Officer Part Time Patrol Relief Allied Universal

Security Officer Unarmed Patrol Guard Allied Universal

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