209 Results for

Online Security Jobs in Lanham, 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, MD1 day 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!

Reston, VA1 day ago

$175,000–$240,000

The contractors will work on complex, in-person cyber security and knowledge management tasks with minimal or no access to online reference materials, requiring strong technical expertise and problem-solving skills limited access to on line reference materials. Key responsibilities will include developing and maintaining systems and tools in the Sponsor's environment, supporting the development of new tools and systems that align with the Sponsor's goals, and contributing to the creation of the Sponsor's overarching data acquisition and exploitation strategy.

New!

Reston, VA5 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.

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.

Baltimore, Maryland8 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, DC7 days ago

Fort Belvoir, Virginia15 days ago

Remote

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

$120,000–$155,000 Per Year

Washington, Washington, DC29 days ago

Fairfax, Virginia21 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, Virginia15 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.

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.

Vienna, VA28 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, VA28 days ago

$110,000–$140,000 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, VA28 days ago

$57,750–$73,500 Per Year

New!

Bethesda, Maryland5 days ago

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.

Linthicum Heights, Maryland30+ days ago

$121,000–$191,000 Per Year

Tysons , Virginia30+ 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.

Tysons , Virginia30+ 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. Candidates must have proven expertise to effectively manage large projects, to include: construction methods, engineering, resources, estimating, equipment, materials, contract administration, subcontract management, claim negotiations, project controls, finance, and staffing efficiency resources.

Tysons , Virginia30 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. We design, build, operate, and maintain cyber-physical solutions for the nation’s most mission-critical facilities, secure environments, complex infrastructure, and global enterprises.

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.

New!

Tysons , Virginia6 days ago

New!

Tysons , Virginia6 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.

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.

Herndon , Virginia30+ 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. Data Center Security Installation Program Manager is responsible for assisting with the overall administration, organization, and implementation of large data center electronic security installation projects.

Washington, DC, Washington, DC9 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, VA13 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, Maryland8 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, VA19 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.

Woodbridge, VA30+ days ago

Conducting security assessments and notifying customers via reports of all necessary lighting issues, non-operable lights, trash that is not disposed of properly, and any other potential areas that could be a breach in security (no fence, damaged fence, overgrown trees or bushes to hide in, etc.). Conducting foot patrols of courtyards, management offices, pools, and/or other corridors to ensure that the property is secure and to report any illegal or inappropriate activity, as well as take preventive actions to protect the property and the residents.

Woodbridge, VA30+ days ago

Conducting security assessments and notifying customers via reports of all necessary lighting issues, non-operable lights, trash that is not disposed of properly, and any other potential areas that could be a breach in security (no fence, damaged fence, overgrown trees or bushes to hide in, etc). Conducting foot patrols of courtyards, management offices, pools, and/or other corridors to ensure that the property is secure and to report any illegal or inappropriate activity, as well as take preventive actions to protect the property and the residents.

Alexandria, VA30+ days ago

Conducting security assessments and notifying customers via reports of all necessary lighting issues, non-operable lights, trash that is not disposed of properly, and any other potential areas that could be a breach in security (no fence, damaged fence, overgrown trees or bushes to hide in, etc). Conducting foot patrols of courtyards, management offices, pools, and/or other corridors to ensure that the property is secure and to report any illegal or inappropriate activity, as well as take preventive actions to protect the property and the residents.

Arlington, Virginia19 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, Virginia20 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.

Fairfax, Virginia12 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.

New!

Sterling, Virginia6 days ago

Join 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 outstanding customer service and communication. Provide customer service to patients, visitors, staff, and/or vendors by carrying out security-related procedures, location-specific policies, and when appropriate, emergency response activities in a healthcare location.

McLean, Virginia15 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.

New!

Sterling, Virginia1 day ago

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

McLean, Virginia20 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.

New!

Reston, Virginia5 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!

Vienna, Virginia5 days ago

Join Allied Universal as an unarmed patrol officer at a financial institution location, where you will monitor and patrol assigned areas, perform routine patrols, maintain a visible presence to help discourage security-related incidents, and deliver exceptional customer service and communication. Provide customer service to clients, visitors, and staff by carrying out security-related procedures, site-specific policies, and/or appropriate emergency response activities at a financial services location.

Sterling, Virginia22 days ago

Join Allied Universal in a dynamic tech location as an unarmed officer who will monitor and patrol assigned areas, maintain a visible presence that helps to discourage security-related incidents, and support access activities with strong customer service and communication. As a Security Officer Licensed Driver Patrol in Sterling, VA, you will serve and safeguard clients in a range of industries such as Tech/Media/Telecom, and more.

Washington D.C., District of Columbia22 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.

Herndon, Virginia22 days ago

Our Security Officers at a premier commercial real estate location monitor and patrol assigned areas, staying visible to help to deter security-related incidents while delivering outstanding 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.

Sterling, Virginia23 days ago

Join Allied Universal as an Unarmed Patrol Officer at a dynamic technology location, where you will monitor and patrol assigned areas, stay visible to help discourage security-related incidents, and support access awareness throughout the site. Provide customer service to clients and visitors by following site-specific procedures, access protocols, and appropriate emergency response activities at a technology-focused location.

Resume Resources

Free Resume Templates Free Resume Builder

Get noticed by top employers!

Upload your resume to let employers know you're open to Online Security job opportunities. Plus, receive relevant job recommendations in your inbox.

Online Security Jobs in Lanham, MD

Paid Online Research Participant AFG

Security Engineer Specialist Pyramid, Inc

Electronic Security Service Technician WilsonHCG

Cyber Security Engineer (Bid role starting in 8-10 weeks) TS/SCI w/ Poly Leading Path Consulting

Network Analyst - Active Security Clearance Cadre

Residential Security Agent Global Guardian

DMAC - Commercial Security Officer (Unarmed) Tarian

Security Manager w/TS/SCI TekSynap

Control Validation Security Specialist W/Secret Clearance TekSynap

Security Engineer TekSynap

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

Lead Security Support Specialist (5412) Three Saints Bay

Security Assistance Financial Analyst Integrated Business & Technical Consultants

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

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

Senior Security Engineer NetImpact Strategies

Senior Data Security Engineer T. Rowe Price

Senior Information Systems Security Engineer Viasat, Inc.

Lead Estimator for Data Center Security Installation - Tysons, VA M.C. Dean, Inc

Principal Data Center Security Installation Program Manager (Project Leader 3) - Tysons, VA M.C. Dean, Inc

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

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

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

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

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

Senior Data Center Security Installation Program Manager (Project Leader 2) - Herndon, VA M.C. Dean, 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

Unarmed Security/Patrol Officer (Woodbridge/Lorton/Dumfries) Signal of Northern Virginia

Armed Security/Patrol Officer (Woodbridge/Dumfries) Signal of Northern Virginia

Unarmed Security/Patrol Officer (Alexandria) Signal of Northern Virginia

Security Officer Roving - DoD Secret Clearance Allied Universal

Security Officer - DoD Secret Clearance required Allied Universal

Security Officer - Armed Area Patrol Full Time Allied Universal

Security Officer - Medical Campus Patrol Part Time Allied Universal

Security Officer DoD Secret Clearance require Allied Universal

Security Officer Allied Universal

Security Officer with Active Clearance Allied Universal

Security -Guard Overnight Allied Universal

Security Officer Roving Allied Universal

Security Officer - Unarmed Licensed Driver Patrol Part Time Allied Universal

Security Officer Spanish Allied Universal

Security Officer Overnights - Part Time Allied Universal

Security Officer Patrol Officer Allied Universal

Resume Resources